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class="vector-toc-list-item vector-toc-level-1"> <a href="#" class="vector-toc-link"> <div class="vector-toc-text">Beginning</div> </a> </li> <li id="toc-General" class="vector-toc-list-item vector-toc-level-1"> <a class="vector-toc-link" href="#General"> <div class="vector-toc-text"> <span class="vector-toc-numb">1</span>General</div> </a> <button aria-controls="toc-General-sublist" class="mw-ui-icon mw-ui-icon-wikimedia-expand mw-ui-icon-small vector-toc-toggle"> Toggle General subsection </button> <ul id="toc-General-sublist" class="vector-toc-list"> <li id="toc-Where_to_start?" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Where_to_start?"> <div class="vector-toc-text"> <span class="vector-toc-numb">1.1</span>Where to start?</div> </a> <ul id="toc-Where_to_start?-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-I_have_found_a_bug,_where_can_I_report_it?" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#I_have_found_a_bug,_where_can_I_report_it?"> <div class="vector-toc-text"> <span class="vector-toc-numb">1.2</span>I have found a bug, where can I report it?</div> </a> <ul id="toc-I_have_found_a_bug,_where_can_I_report_it?-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Are_there_any_details_about_the_releases_available?" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Are_there_any_details_about_the_releases_available?"> <div class="vector-toc-text"> <span class="vector-toc-numb">1.3</span>Are there any details about the releases available?</div> </a> <ul id="toc-Are_there_any_details_about_the_releases_available?-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-How_can_I_contribute?" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#How_can_I_contribute?"> <div class="vector-toc-text"> <span class="vector-toc-numb">1.4</span>How can I contribute?</div> </a> <ul id="toc-How_can_I_contribute?-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Why_don't_I_have_man_pages_or_where_is_the_'man'_command?" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Why_don't_I_have_man_pages_or_where_is_the_'man'_command?"> <div class="vector-toc-text"> <span class="vector-toc-numb">1.5</span>Why don't I have man pages or where is the 'man' command?</div> </a> <ul id="toc-Why_don't_I_have_man_pages_or_where_is_the_'man'_command?-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-What_is_the_difference_between_edge_and_stable_releases?" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#What_is_the_difference_between_edge_and_stable_releases?"> <div class="vector-toc-text"> <span class="vector-toc-numb">1.6</span>What is the difference between edge and stable releases?</div> </a> <ul id="toc-What_is_the_difference_between_edge_and_stable_releases?-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-What_architectures_does_Alpine_Linux_support?" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#What_architectures_does_Alpine_Linux_support?"> <div class="vector-toc-text"> <span class="vector-toc-numb">1.7</span>What architectures does Alpine Linux support?</div> </a> <ul id="toc-What_architectures_does_Alpine_Linux_support?-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-What_kinds_of_release_of_Alpine_Linux_are_available?" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#What_kinds_of_release_of_Alpine_Linux_are_available?"> <div class="vector-toc-text"> <span class="vector-toc-numb">1.8</span>What kinds of release of Alpine Linux are available?</div> </a> <ul id="toc-What_kinds_of_release_of_Alpine_Linux_are_available?-sublist" class="vector-toc-list"> </ul> </li> </ul> </li> <li id="toc-Setup" class="vector-toc-list-item vector-toc-level-1"> <a class="vector-toc-link" href="#Setup"> <div class="vector-toc-text"> <span class="vector-toc-numb">2</span>Setup</div> </a> <button aria-controls="toc-Setup-sublist" class="mw-ui-icon mw-ui-icon-wikimedia-expand mw-ui-icon-small vector-toc-toggle"> Toggle Setup subsection </button> <ul id="toc-Setup-sublist" class="vector-toc-list"> <li id="toc-What_is_the_difference_between_sys,_data,_and_diskless_when_running_setup-alpine_or_setup-disk?" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#What_is_the_difference_between_sys,_data,_and_diskless_when_running_setup-alpine_or_setup-disk?"> <div class="vector-toc-text"> <span class="vector-toc-numb">2.1</span>What is the difference between <i>sys</i>, <i>data</i>, and <i>diskless</i> when running setup-alpine or setup-disk?</div> </a> <ul id="toc-What_is_the_difference_between_sys,_data,_and_diskless_when_running_setup-alpine_or_setup-disk?-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-How_do_I_upgrade_Alpine?" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#How_do_I_upgrade_Alpine?"> <div class="vector-toc-text"> <span class="vector-toc-numb">2.2</span>How do I upgrade Alpine?</div> </a> <ul id="toc-How_do_I_upgrade_Alpine?-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Why_don't_my_cron_jobs_run?" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Why_don't_my_cron_jobs_run?"> <div class="vector-toc-text"> <span class="vector-toc-numb">2.3</span>Why don't my cron jobs run?</div> </a> <ul id="toc-Why_don't_my_cron_jobs_run?-sublist" class="vector-toc-list"> </ul> </li> </ul> </li> <li id="toc-Time_and_timezones" class="vector-toc-list-item vector-toc-level-1"> <a class="vector-toc-link" href="#Time_and_timezones"> <div class="vector-toc-text"> <span class="vector-toc-numb">3</span>Time and timezones</div> </a> <button aria-controls="toc-Time_and_timezones-sublist" class="mw-ui-icon mw-ui-icon-wikimedia-expand mw-ui-icon-small vector-toc-toggle"> Toggle Time and timezones subsection </button> <ul id="toc-Time_and_timezones-sublist" class="vector-toc-list"> <li id="toc-How_do_I_set_the_local_timezone?" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#How_do_I_set_the_local_timezone?"> <div class="vector-toc-text"> <span class="vector-toc-numb">3.1</span>How do I set the local timezone?</div> </a> <ul id="toc-How_do_I_set_the_local_timezone?-sublist" class="vector-toc-list"> </ul> </li> </ul> </li> <li id="toc-Packages" class="vector-toc-list-item vector-toc-level-1"> <a class="vector-toc-link" href="#Packages"> <div class="vector-toc-text"> <span class="vector-toc-numb">4</span>Packages</div> </a> <button aria-controls="toc-Packages-sublist" class="mw-ui-icon mw-ui-icon-wikimedia-expand mw-ui-icon-small vector-toc-toggle"> Toggle Packages subsection </button> <ul id="toc-Packages-sublist" class="vector-toc-list"> <li id="toc-Can_you_build_an_APK_package_for_...?" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Can_you_build_an_APK_package_for_...?"> <div class="vector-toc-text"> <span class="vector-toc-numb">4.1</span>Can you build an APK package for ...?</div> </a> <ul id="toc-Can_you_build_an_APK_package_for_...?-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-How_can_I_build_my_own_package?" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#How_can_I_build_my_own_package?"> <div class="vector-toc-text"> <span class="vector-toc-numb">4.2</span>How can I build my own package?</div> </a> <ul id="toc-How_can_I_build_my_own_package?-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-What_does_"required_by:_world[$pkgname]"_mean?" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#What_does_"required_by:_world[$pkgname]"_mean?"> <div class="vector-toc-text"> <span class="vector-toc-numb">4.3</span>What does "required by: world[$pkgname]" mean?</div> </a> <ul id="toc-What_does_"required_by:_world[$pkgname]"_mean?-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-How_can_I_find_out_if_a_certain_package_exists_in_Alpine?" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#How_can_I_find_out_if_a_certain_package_exists_in_Alpine?"> <div class="vector-toc-text"> <span class="vector-toc-numb">4.4</span>How can I find out if a certain package exists in Alpine?</div> </a> <ul id="toc-How_can_I_find_out_if_a_certain_package_exists_in_Alpine?-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-WARNING:_Ignoring_APKINDEX.xxxx.tar.gz" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#WARNING:_Ignoring_APKINDEX.xxxx.tar.gz"> <div class="vector-toc-text"> <span class="vector-toc-numb">4.5</span>WARNING: Ignoring APKINDEX.xxxx.tar.gz</div> </a> <ul id="toc-WARNING:_Ignoring_APKINDEX.xxxx.tar.gz-sublist" class="vector-toc-list"> </ul> </li> </ul> </li> <li id="toc-Dynamic_DNS" class="vector-toc-list-item vector-toc-level-1"> <a class="vector-toc-link" href="#Dynamic_DNS"> <div class="vector-toc-text"> <span class="vector-toc-numb">5</span>Dynamic DNS</div> </a> <button aria-controls="toc-Dynamic_DNS-sublist" class="mw-ui-icon mw-ui-icon-wikimedia-expand mw-ui-icon-small vector-toc-toggle"> Toggle Dynamic DNS subsection </button> <ul id="toc-Dynamic_DNS-sublist" class="vector-toc-list"> <li id="toc-How_do_I_schedule_a_regular_dynamic_DNS_update?" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#How_do_I_schedule_a_regular_dynamic_DNS_update?"> <div class="vector-toc-text"> <span class="vector-toc-numb">5.1</span>How do I schedule a regular dynamic DNS update?</div> </a> <ul id="toc-How_do_I_schedule_a_regular_dynamic_DNS_update?-sublist" class="vector-toc-list"> </ul> </li> </ul> </li> <li id="toc-Terminal" class="vector-toc-list-item vector-toc-level-1"> <a class="vector-toc-link" href="#Terminal"> <div class="vector-toc-text"> <span class="vector-toc-numb">6</span>Terminal</div> </a> <button aria-controls="toc-Terminal-sublist" class="mw-ui-icon mw-ui-icon-wikimedia-expand mw-ui-icon-small vector-toc-toggle"> Toggle Terminal subsection </button> <ul id="toc-Terminal-sublist" class="vector-toc-list"> <li id="toc-How_to_enable/fix_colors_for_git?" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#How_to_enable/fix_colors_for_git?"> <div class="vector-toc-text"> <span class="vector-toc-numb">6.1</span>How to enable/fix colors for git?</div> </a> <ul id="toc-How_to_enable/fix_colors_for_git?-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Fix_lacking_lsusb_/_lspci_output" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Fix_lacking_lsusb_/_lspci_output"> <div class="vector-toc-text"> <span class="vector-toc-numb">6.2</span>Fix lacking lsusb / lspci output</div> </a> <ul id="toc-Fix_lacking_lsusb_/_lspci_output-sublist" class="vector-toc-list"> </ul> </li> </ul> </li> <li id="toc-Old_questions,_no_longer_frequently_asked" class="vector-toc-list-item vector-toc-level-1"> <a class="vector-toc-link" href="#Old_questions,_no_longer_frequently_asked"> <div class="vector-toc-text"> <span class="vector-toc-numb">7</span>Old questions, no longer frequently asked</div> </a> <button aria-controls="toc-Old_questions,_no_longer_frequently_asked-sublist" class="mw-ui-icon mw-ui-icon-wikimedia-expand mw-ui-icon-small vector-toc-toggle"> Toggle Old questions, no longer frequently asked subsection </button> <ul id="toc-Old_questions,_no_longer_frequently_asked-sublist" class="vector-toc-list"> <li id="toc-Alpine_freezes_during_boot_from_Compact_Flash,_how_can_I_fix?" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Alpine_freezes_during_boot_from_Compact_Flash,_how_can_I_fix?"> <div class="vector-toc-text"> <span class="vector-toc-numb">7.1</span>Alpine freezes during boot from Compact Flash, how can I fix?</div> </a> <ul id="toc-Alpine_freezes_during_boot_from_Compact_Flash,_how_can_I_fix?-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-How_do_I_remove_the_CD-ROM?" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#How_do_I_remove_the_CD-ROM?"> <div class="vector-toc-text"> <span class="vector-toc-numb">7.2</span>How do I remove the CD-ROM?</div> </a> <ul id="toc-How_do_I_remove_the_CD-ROM?-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-How_can_I_install_custom_firmware_in_a_diskless_system?" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#How_can_I_install_custom_firmware_in_a_diskless_system?"> <div class="vector-toc-text"> <span class="vector-toc-numb">7.3</span>How can I install custom firmware in a diskless system?</div> </a> <ul id="toc-How_can_I_install_custom_firmware_in_a_diskless_system?-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-OpenNTPD_reports_an_error_with_"adjtime"" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#OpenNTPD_reports_an_error_with_"adjtime""> <div class="vector-toc-text"> <span class="vector-toc-numb">7.4</span>OpenNTPD reports an error with "adjtime"</div> </a> <ul id="toc-OpenNTPD_reports_an_error_with_"adjtime"-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Using_a_cron_job_to_keep_the_time_in_sync" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Using_a_cron_job_to_keep_the_time_in_sync"> <div class="vector-toc-text"> <span class="vector-toc-numb">7.5</span>Using a cron job to keep the time in sync</div> </a> <ul id="toc-Using_a_cron_job_to_keep_the_time_in_sync-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Windows_clients_reports_an_error_when_trying_to_sync" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Windows_clients_reports_an_error_when_trying_to_sync"> <div class="vector-toc-text"> <span class="vector-toc-numb">7.6</span>Windows clients reports an error when trying to sync</div> </a> <ul id="toc-Windows_clients_reports_an_error_when_trying_to_sync-sublist" class="vector-toc-list"> </ul> </li> </ul> </li> </ul> </div> </div> </nav> <div class="mw-content-container"> <main id="content" class="mw-body" role="main"> <header class="mw-body-header vector-page-titlebar"> <label id="vector-toc-collapsed-button" class="mw-ui-button mw-ui-quiet mw-ui-icon mw-ui-icon-flush-left mw-ui-icon-element mw-ui-icon-wikimedia-listBullet mw-checkbox-hack-button" for="vector-toc-collapsed-checkbox" role="button" aria-controls="toc-toggle-list" data-event-name="vector.toc-toggle-list" tabindex="0" title="Table of Contents"> Toggle the table of contents 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<h1 id="firstHeading" class="firstHeading mw-first-heading"><span class="mw-page-title-namespace">Alpine Linux</span><span class="mw-page-title-separator">:</span><span class="mw-page-title-main">FAQ</span></h1> </header> <div class="vector-page-toolbar"> <div class="vector-page-toolbar-container"> <div id="left-navigation"> <nav aria-label="Namespaces"> <div id="p-associated-pages" class="vector-menu vector-menu-tabs mw-portlet mw-portlet-associated-pages" > <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="ca-nstab-project" class="selected vector-tab-noicon mw-list-item"><a data-mw="interface" href="/wiki/Alpine_Linux:FAQ" title="View the project page [a]" accesskey="a" class=""><span>Project page</span></a> </li> <li id="ca-talk" class="vector-tab-noicon mw-list-item"><a data-mw="interface" href="/wiki/Alpine_Linux_talk:FAQ" rel="discussion" title="Discussion about the content page [t]" accesskey="t" class=""><span>Discussion</span></a> </li> </ul> 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Think it through. Make it simple and understandable.</div> <meta property="mw:PageProp/toc" /> <h1><span class="mw-headline" id="General">General</span></h1> <p>Alpine Linux is used heavily in containers (e.g. Docker images) on servers, so many of its main packages are focused on server services. </p> <h2><span id="Where_to_start.3F"></span><span class="mw-headline" id="Where_to_start?">Where to start?</span></h2> <p>The <a href="/wiki/Installation" title="Installation">Installation</a> page and the <a href="/wiki/Installation#Post-Installation" title="Installation">Post Installation</a> section on that page, provide a basic orientation. </p><p>A broader overview may be found on the official <a rel="nofollow" class="external text" href="https://alpinelinux.org/about">About</a> page and at the <a href="/wiki/Alpine_Linux:Overview" title="Alpine Linux:Overview">wiki overview</a>. </p><p>Please note that testing is safer on your own virtual machine. </p> <h2><span id="I_have_found_a_bug.2C_where_can_I_report_it.3F"></span><span class="mw-headline" id="I_have_found_a_bug,_where_can_I_report_it?">I have found a bug, where can I report it?</span></h2> <p>You can report it on the <a rel="nofollow" class="external text" href="https://gitlab.alpinelinux.org/groups/alpine/-/issues">bugtracker</a>, but search it first to see if the issue has already been reported. </p> <h2><span id="Are_there_any_details_about_the_releases_available.3F"></span><span class="mw-headline" id="Are_there_any_details_about_the_releases_available?">Are there any details about the releases available?</span></h2> <p>Yes, please check the <a rel="nofollow" class="external text" href="https://alpinelinux.org/releases/">releases</a> page. </p> <h2><span id="How_can_I_contribute.3F"></span><span class="mw-headline" id="How_can_I_contribute?">How can I contribute?</span></h2> <p>You can contribute by: </p> <ul><li>Using the software and giving <a rel="nofollow" class="external text" href="https://gitlab.alpinelinux.org/groups/alpine/-/issues">feedback</a>.</li> <li>Documenting your <a rel="nofollow" class="external text" href="https://www.alpinelinux.org">Alpine Linux</a> experiences on this <a href="/wiki/Main_Page" title="Main Page">wiki</a>.</li> <li>Flag packages as outdated in the <a rel="nofollow" class="external text" href="https://pkgs.alpinelinux.org/packages">package database</a>, or even better enable release monitoring in <a rel="nofollow" class="external text" href="https://release-monitoring.org/">Anitya</a> for them.</li> <li>In many other ways.</li></ul> <p>Please visit the <a href="/wiki/Contribute" class="mw-redirect" title="Contribute">Contribute page</a> to read more about this topic. </p> <h2><span id="Why_don.27t_I_have_man_pages_or_where_is_the_.27man.27_command.3F"></span><span class="mw-headline" id="Why_don't_I_have_man_pages_or_where_is_the_'man'_command?">Why don't I have man pages or where is the 'man' command?</span></h2> <p>The <code>man</code> command and <span class="plainlinks" style="font-family: monospace, Courier;font-size:10pt;"><a rel="nofollow" class="external text" href="https://pkgs.alpinelinux.org/packages?name=man-pages&branch=edge&repo=&arch=x86_64&maintainer=">man-pages</a></span>, the system's <i>core</i> manual pages are not installed by default. Since binary packages are thinned out and split, documentation sub-packages in the format <b>packagename-doc</b> are not installed by default. </p><p>Install the <code>man</code> command: </p> <p style="background-color:#eeeeee; border:1px dashed #bbbbbb; line-height:1.1em; padding:1em; font-family:monospace, Courier; font-size:10pt; white-space:pre; overflow:auto;"># apk add <span class="plainlinks" style="font-family: monospace, Courier;font-size:10pt;"><a rel="nofollow" class="external text" href="https://pkgs.alpinelinux.org/packages?name=mandoc&branch=edge&repo=&arch=x86_64&maintainer=">mandoc</a></span></p> <p>Optionally, install the <code>apropos</code> command to search in <b>man pages</b>: </p> <p style="background-color:#eeeeee; border:1px dashed #bbbbbb; line-height:1.1em; padding:1em; font-family:monospace, Courier; font-size:10pt; white-space:pre; overflow:auto;"># apk add <span class="plainlinks" style="font-family: monospace, Courier;font-size:10pt;"><a rel="nofollow" class="external text" href="https://pkgs.alpinelinux.org/packages?name=mandoc-apropos&branch=edge&repo=&arch=x86_64&maintainer=">mandoc-apropos</a></span></p> <p>Once <span class="plainlinks" style="font-family: monospace, Courier;font-size:10pt;"><a rel="nofollow" class="external text" href="https://pkgs.alpinelinux.org/packages?name=mandoc&branch=edge&repo=&arch=x86_64&maintainer=">mandoc</a></span> is installed,add documentation for the package where you need it. For example, say you installed nftables and you now require its man pages: </p> <p style="background-color:#eeeeee; border:1px dashed #bbbbbb; line-height:1.1em; padding:1em; font-family:monospace, Courier; font-size:10pt; white-space:pre; overflow:auto;"># apk add <span class="plainlinks" style="font-family: monospace, Courier;font-size:10pt;"><a rel="nofollow" class="external text" href="https://pkgs.alpinelinux.org/packages?name=nftables-doc&branch=edge&repo=&arch=x86_64&maintainer=">nftables-doc</a></span></p> <p>The <span class="plainlinks" style="font-family: monospace, Courier;font-size:10pt;"><a rel="nofollow" class="external text" href="https://pkgs.alpinelinux.org/packages?name=docs&branch=edge&repo=&arch=x86_64&maintainer=">docs</a></span> meta package installs the documentation sub-package for all the currently installed packages and <span class="plainlinks" style="font-family: monospace, Courier;font-size:10pt;"><a rel="nofollow" class="external text" href="https://pkgs.alpinelinux.org/packages?name=mandoc&branch=edge&repo=&arch=x86_64&maintainer=">mandoc</a></span>, if unavailable. <span class="plainlinks" style="font-family: monospace, Courier;font-size:10pt;"><a rel="nofollow" class="external text" href="https://pkgs.alpinelinux.org/packages?name=docs&branch=edge&repo=&arch=x86_64&maintainer=">docs</a></span> meta package ensures that documentation sub-packages are installed or removed automatically for any packages that you may add/remove in future. </p> <p style="background-color:#eeeeee; border:1px dashed #bbbbbb; line-height:1.1em; padding:1em; font-family:monospace, Courier; font-size:10pt; white-space:pre; overflow:auto;"># apk add docs</p> <p>Keep in mind not all packages have a corresponding documentation package and even when it has one it may not be in the form <b>man pages</b>. </p> <h2><span id="What_is_the_difference_between_edge_and_stable_releases.3F"></span><span class="mw-headline" id="What_is_the_difference_between_edge_and_stable_releases?">What is the difference between edge and stable releases?</span></h2> <p>Stable releases are just what they sound like: initially a point-in-time snapshot of the package archives, but then maintained with bugfixes only in order to keep a stable environment. </p><p><a href="/wiki/Repositories#Edge" title="Repositories">Edge</a> is more of a rolling-release, with the latest and greatest packages available in the online repositories.<br /> Occasionally, snapshot ISO images of the then-current state of edge are made and are available for download.<br /> Typically these are made when there are major kernel upgrades or package upgrades that require initramfs rebuilds. </p> <h2><span id="What_architectures_does_Alpine_Linux_support.3F"></span><span class="mw-headline" id="What_architectures_does_Alpine_Linux_support?">What architectures does Alpine Linux support?</span></h2> <ul><li><b>aarch64</b>: 64-bit ARM processors (e.g. Raspberry Pi 4)</li> <li><b>armhf</b>: 32-bit ARMv6 processors with a floating point unit (e.g. Raspberry Pi 1) (armv6hf)</li> <li><b>armv7</b>: 32-bit ARMv7 processors with a floating point unit (armv7hf)</li> <li><b>s390x</b>: IBM mainframes using the z/Architecture (z196 minimum)</li> <li><b>ppc64le</b>: 64-bit little-endian POWER devices (e.g. Raptor Talos II) (POWER8 minimum)</li> <li><b>x86</b>: 32-bit Intel and AMD processors commonly found in older personal computers (e.g. Pentium M+). Can also run on x86_64 machines (not recommended). Requires SSE2 and CMOV.</li> <li><b>x86_64</b>: 64-bit Intel and AMD processors commonly found in personal computers (e.g. Core i7, Ryzen 7)</li></ul> <p><b>Please check <a rel="nofollow" class="external text" href="https://alpinelinux.org/downloads">Download</a> page for media availability on each one</b> and check <a rel="nofollow" class="external text" href="https://alpinelinux.org/releases/">Release Branches</a> page for latest. </p> <h2><span id="What_kinds_of_release_of_Alpine_Linux_are_available.3F"></span><span class="mw-headline" id="What_kinds_of_release_of_Alpine_Linux_are_available?">What kinds of release of Alpine Linux are available?</span></h2> <p>Please check the <a rel="nofollow" class="external text" href="https://alpinelinux.org/releases/">Release Branches</a> page for more information. </p> <h1><span class="mw-headline" id="Setup">Setup</span></h1> <h2><span id="What_is_the_difference_between_sys.2C_data.2C_and_diskless_when_running_setup-alpine_or_setup-disk.3F"></span><span class="mw-headline" id="What_is_the_difference_between_sys,_data,_and_diskless_when_running_setup-alpine_or_setup-disk?">What is the difference between <i>sys</i>, <i>data</i>, and <i>diskless</i> when running <code>setup-alpine</code> or <code>setup-disk</code>?</span></h2> <p><b>sys:</b> This mode is a traditional disk install. The following partitions will be created on the disk: <i>/boot/</i>, <i>/</i> (filesystem root) and <i>swap</i>. This mode may be used for development boxes, desktops, virtual servers, etc. </p><p><b>data:</b> This mode uses your disk(s) for data storage, not for the operating system. Runs from the media and only a <i>/var/</i> is created on disk. The system itself will run from a <i>tmpfs</i> (RAM). Use this mode if you only want to use the disk(s) for data, like <i>mailspool</i>, <i>databases</i>, <i>logs</i>, etc. </p><p><b>diskless:</b> No disks are to be used. <a href="/wiki/Alpine_local_backup" title="Alpine local backup">Alpine local backup</a> may still be used in this mode. </p><p>These modes are explained further on the <a href="/wiki/Installation#Installation_Overview" title="Installation"><b>Installation</b></a> page. </p> <h2><span id="How_do_I_upgrade_Alpine.3F"></span><span class="mw-headline" id="How_do_I_upgrade_Alpine?">How do I upgrade Alpine?</span></h2> <p>To upgrade to a new stable release or edge: <code>apk upgrade --available</code> </p> <h2><span id="Why_don.27t_my_cron_jobs_run.3F"></span><span class="mw-headline" id="Why_don't_my_cron_jobs_run?">Why don't my cron jobs run?</span></h2> <p>Start service <i>crond</i> and add it to the default runlevel: </p> <dl><dd><p style="background-color:#eeeeee; border:1px dashed #bbbbbb; line-height:1.1em; padding:1em; font-family:monospace, Courier; font-size:10pt; white-space:pre; overflow:auto;">rc-service crond start && rc-update add crond</p></dd></dl> <p>After that the cron daemon is started automatically on system boot and executes the scripts placed in the folders under <i>/etc/periodic/</i> - there are folders for <i>15min</i>, <i>hourly</i>, <i>daily</i>, <i>weekly</i> and <i>monthly</i> scripts. </p><p>To check whether your scripts are likely to run, use the <i>run-parts</i> command, for example: </p> <dl><dd><p style="background-color:#eeeeee; border:1px dashed #bbbbbb; line-height:1.1em; padding:1em; font-family:monospace, Courier; font-size:10pt; white-space:pre; overflow:auto;">run-parts --test /etc/periodic/15min</p></dd></dl> <p>This command will tell you what should run but will not actually execute the scripts. </p><p>If the results of the test are not as expected, check the following: </p> <ul><li>Make sure the script is executable - if unsure, issue the command <p style="background-color:#eeeeee; border:1px dashed #bbbbbb; line-height:1.1em; padding:1em; font-family:monospace, Courier; font-size:10pt; white-space:pre; overflow:auto;">chmod +x /etc/periodic/[path/scriptname]</p></li> <li>Make sure the first line of your script is <code>#!/bin/sh</code></li> <li>Do not use periods on your script file names - this stops them from working; for example: <span style="font-family: monospace, Courier; font-size:10pt; color: #000055; white-space: nowrap">/etc/periodic/daily/myscript</span> will run, but <span style="font-family: monospace, Courier; font-size:10pt; color: #000055; white-space: nowrap">/etc/periodic/daily/myscript.sh</span> won't.</li></ul> <h1><span class="mw-headline" id="Time_and_timezones">Time and timezones</span></h1> <h2><span id="How_do_I_set_the_local_timezone.3F"></span><span class="mw-headline" id="How_do_I_set_the_local_timezone?">How do I set the local timezone?</span></h2> <p>If you wish to edit the <i>timezone</i> (TZ) after installation, run the <a href="/wiki/Alpine_setup_scripts#setup-timezone" title="Alpine setup scripts">setup-timezone</a> script. </p> <h1><span class="mw-headline" id="Packages">Packages</span></h1> <h2><span id="Can_you_build_an_APK_package_for_....3F"></span><span class="mw-headline" id="Can_you_build_an_APK_package_for_...?">Can you build an APK package for ...?</span></h2> <p>Please create an <a rel="nofollow" class="external text" href="https://gitlab.alpinelinux.org/alpine/aports/issues/new">issue</a> in the <a rel="nofollow" class="external text" href="https://gitlab.alpinelinux.org">bugtracker</a>. Prefix it with "package request:" in the title and include a short description (one-line), a URL for the home page, why you need it, and a URL for the source package. </p> <h2><span id="How_can_I_build_my_own_package.3F"></span><span class="mw-headline" id="How_can_I_build_my_own_package?">How can I build my own package?</span></h2> <p>Please see the <a href="/wiki/Creating_an_Alpine_package" title="Creating an Alpine package">Creating an Alpine package</a> page. </p> <h2><span id="What_does_.22required_by:_world.5B.24pkgname.5D.22_mean.3F"></span><span class="mw-headline" id="What_does_"required_by:_world[$pkgname]"_mean?">What does "required by: world[$pkgname]" mean?</span></h2> <p>It means that the package you tried to install does not exist in the repositories you have configured. </p><p>Maybe you forgot to add community or testing to <span style="font-family: monospace, Courier; font-size:10pt; color: #000055; white-space: nowrap">/etc/apk/repositories</span>? </p><p>Or is the package in a <a href="/wiki/Alpine_Package_Keeper#Repository_pinning" title="Alpine Package Keeper">pinned repository</a> and you forgot to suffix the package with the repo tag? Example: </p> <p style="background-color:#eeeeee; border:1px dashed #bbbbbb; line-height:1.1em; padding:1em; font-family:monospace, Courier; font-size:10pt; white-space:pre; overflow:auto;">apk add experimental-package@testing</p> <h2><span id="How_can_I_find_out_if_a_certain_package_exists_in_Alpine.3F"></span><span class="mw-headline" id="How_can_I_find_out_if_a_certain_package_exists_in_Alpine?">How can I find out if a certain package exists in Alpine?</span></h2> <p>If you want to only search repositories you have configured in /etc/apk/repositories, then <code>apk search $pkgname</code> should get you sorted. If you want to search all repositories have a look at the <a rel="nofollow" class="external text" href="https://pkgs.alpinelinux.org/">online pkg oracle</a> </p> <h2><span class="mw-headline" id="WARNING:_Ignoring_APKINDEX.xxxx.tar.gz">WARNING: Ignoring APKINDEX.xxxx.tar.gz</span></h2> <p>If you get <code>WARNING: Ignoring APKINDEX.xxxx.tar.gz: No such file or directory</code> while running <a href="/wiki/Alpine_Linux_package_management" class="mw-redirect" title="Alpine Linux package management">package related tools</a>, check your <span style="font-family: monospace, Courier; font-size:10pt; color: #000055; white-space: nowrap">/etc/apk/repositories</span> file. </p><p>To check the content of the repositories file </p> <p style="background-color:#eeeeee; border:1px dashed #bbbbbb; line-height:1.1em; padding:1em; font-family:monospace, Courier; font-size:10pt; white-space:pre; overflow:auto;">cat /etc/apk/repositories</p> <p>or </p> <p style="background-color:#eeeeee; border:1px dashed #bbbbbb; line-height:1.1em; padding:1em; font-family:monospace, Courier; font-size:10pt; white-space:pre; overflow:auto;">setup-apkrepos</p> <h1><span class="mw-headline" id="Dynamic_DNS">Dynamic DNS</span></h1> <h2><span id="How_do_I_schedule_a_regular_dynamic_DNS_update.3F"></span><span class="mw-headline" id="How_do_I_schedule_a_regular_dynamic_DNS_update?">How do I schedule a regular dynamic DNS update?</span></h2> <p>You'll want to install the <span class="plainlinks" style="font-family: monospace, Courier;font-size:10pt;"><a rel="nofollow" class="external text" href="https://pkgs.alpinelinux.org/packages?name=ez-ipupdate&branch=edge&repo=&arch=x86_64&maintainer=">ez-ipupdate</a></span> package: </p> <p style="background-color:#eeeeee; border:1px dashed #bbbbbb; line-height:1.1em; padding:1em; font-family:monospace, Courier; font-size:10pt; white-space:pre; overflow:auto;">apk add ez-ipupdate</p> <p>After that, create a new file at <span style="font-family: monospace, Courier; font-size:10pt; color: #000055; white-space: nowrap">/etc/ez-ipupdate.conf</span> with contents similar to: </p> <pre>service-type=dyndns user=myusername:mypassword interface=eth1 host=myhostname.dyndns.org </pre> <p>Make the new ip cache directory: </p> <p style="background-color:#eeeeee; border:1px dashed #bbbbbb; line-height:1.1em; padding:1em; font-family:monospace, Courier; font-size:10pt; white-space:pre; overflow:auto;">mkdir /var/cache/ez-ipupdate lbu add /var/cache/ez-ipupdate</p> <p>Then schedule a new cron job with this command: </p> <p style="background-color:#eeeeee; border:1px dashed #bbbbbb; line-height:1.1em; padding:1em; font-family:monospace, Courier; font-size:10pt; white-space:pre; overflow:auto;">echo >> /var/log/ez-ipupdate && \<br />/bin/date >> /var/log/ez-ipupdate && \<br />ez-ipupdate --config-file /etc/ez-ipupdate.conf -f -F /var/run/ez-ipupdate.pid \<br /> --cache-file /var/cache/ez-ipupdate/ipcache --quiet >> /var/log/ez-ipupdate 2>&1</p> <p>Don't forget to backup your settings! </p> <p style="background-color:#eeeeee; border:1px dashed #bbbbbb; line-height:1.1em; padding:1em; font-family:monospace, Courier; font-size:10pt; white-space:pre; overflow:auto;">lbu ci</p> <h1><span class="mw-headline" id="Terminal">Terminal</span></h1> <h2><span id="How_to_enable.2Ffix_colors_for_git.3F"></span><span class="mw-headline" id="How_to_enable/fix_colors_for_git?">How to enable/fix colors for git?</span></h2> <p>The problem is not in git itself or terminal, but in the <tt>less</tt> command. Busybox鈥檚 <tt>less</tt> doesn鈥檛 support <tt>-r</tt> (<tt>--raw-control-chars</tt>) and <tt>-R</tt> (<tt>--RAW-CONTROL-CHARS</tt>) options. </p><p>The simplest (yet not ideal) solution is to install GNU less: </p> <p style="background-color:#eeeeee; border:1px dashed #bbbbbb; line-height:1.1em; padding:1em; font-family:monospace, Courier; font-size:10pt; white-space:pre; overflow:auto;">apk add less</p> <p>Additionally, for colorized diff while using verbose commit (<tt>git commit -v</tt>), add this to shell init scripts (e.g.: <span style="font-family: monospace, Courier; font-size:10pt; color: #000055; white-space: nowrap">~/.profile</span>): </p> <div><p style="background-color:#f9f9f9; border:1px solid #2f6fab; border-bottom:0; padding:.2em 1.2em; display:inline;"><strong>Contents of </strong><span style="font-family: monospace, Courier; font-size:10pt; color: #000055; white-space: nowrap">~/.profile</span></p><div style="background-color:#f9f9f9; border:1px dashed #2f6fab; border-left:1px solid #2f6fab; margin-top:-.2em; line-height:1.1em; padding:1em; font-family:monospace; font-size:10pt; white-space:pre; overflow:auto;">export GIT_EDITOR=vim</div></div> <h2><span id="Fix_lacking_lsusb_.2F_lspci_output"></span><span class="mw-headline" id="Fix_lacking_lsusb_/_lspci_output">Fix lacking lsusb / lspci output</span></h2> <p>If you launch <code>lsusb</code> or <code>lspci</code> on a minimal installation, there's no device descriptions, and the latter doesn't exist. </p><p>This can be fixed by installing the <b><span class="plainlinks" style="font-family: monospace, Courier;font-size:10pt;"><a rel="nofollow" class="external text" href="https://pkgs.alpinelinux.org/packages?name=usbutils&branch=edge&repo=&arch=x86_64&maintainer=">usbutils</a></span></b> and <b><span class="plainlinks" style="font-family: monospace, Courier;font-size:10pt;"><a rel="nofollow" class="external text" href="https://pkgs.alpinelinux.org/packages?name=hwdata&branch=edge&repo=&arch=x86_64&maintainer=">hwdata</a></span></b> tables. </p> <h1><span id="Old_questions.2C_no_longer_frequently_asked"></span><span class="mw-headline" id="Old_questions,_no_longer_frequently_asked">Old questions, no longer frequently asked</span></h1> <h2><span id="Alpine_freezes_during_boot_from_Compact_Flash.2C_how_can_I_fix.3F"></span><span class="mw-headline" id="Alpine_freezes_during_boot_from_Compact_Flash,_how_can_I_fix?">Alpine freezes during boot from Compact Flash, how can I fix?</span></h2> <p>Most Compact Flash card readers do not support proper DMA.<br /> You should append <b>nodma</b> to the <i>append</i> line in <span style="font-family: monospace, Courier; font-size:10pt; color: #000055; white-space: nowrap">syslinux.cfg</span>. </p> <h2><span id="How_do_I_remove_the_CD-ROM.3F"></span><span class="mw-headline" id="How_do_I_remove_the_CD-ROM?">How do I remove the CD-ROM?</span></h2> <p>Since the modloop loopback device is on CD-ROM you cannot just run <code>eject</code>. You need to unmount the modloop first.<br /> Unmounting both the modloop and the CDROM in one step can be done by executing: </p> <p style="background-color:#eeeeee; border:1px dashed #bbbbbb; line-height:1.1em; padding:1em; font-family:monospace, Courier; font-size:10pt; white-space:pre; overflow:auto;">/etc/init.d/modloop stop</p> <p>Then it's possible to eject the CD-ROM: </p> <p style="background-color:#eeeeee; border:1px dashed #bbbbbb; line-height:1.1em; padding:1em; font-family:monospace, Courier; font-size:10pt; white-space:pre; overflow:auto;">eject</p> <h2><span id="How_can_I_install_custom_firmware_in_a_diskless_system.3F"></span><span class="mw-headline" id="How_can_I_install_custom_firmware_in_a_diskless_system?">How can I install custom firmware in a diskless system?</span></h2> <p>The modules and firmware are both special images which are mounted as read-only.<br /> To fix this issue you can copy the firmware directory to your writeable media (cf/usb) and copy your custom firmware to it.<br /> After reboot Alpine should automatically use the directory on your local storage instead of the loopback device. </p> <h2><span id="OpenNTPD_reports_an_error_with_.22adjtime.22"></span><span class="mw-headline" id="OpenNTPD_reports_an_error_with_"adjtime"">OpenNTPD reports an error with "adjtime"</span></h2> <p>Your log contains something like: </p> <pre>reply from 85.214.86.126: offset 865033148.784255 delay 0.055466, next query 32s reply from 202.150.212.24: offset 865033148.779314 delay 0.400771, next query 3s adjusting local clock by 865033148.779835s adjtime failed: Invalid argument </pre> <p><span class="plainlinks" style="font-family: monospace, Courier;font-size:10pt;"><a rel="nofollow" class="external text" href="https://pkgs.alpinelinux.org/packages?name=openntpd&branch=edge&repo=&arch=x86_64&maintainer=">openntpd</a></span> is supposed to make small adjustments in the time without causing time jumps.<br /> If the adjustment is too big then something is clearly wrong and ntpd gives up. (its actually adjtime(3) that has a limit on how big adjustments are allowed) </p><p>You can make ntpd set the time at startup by adding <i>-s</i> option to ntpd. This is done by setting <b>NTPD_OPTS="-s"</b> in <span style="font-family: monospace, Courier; font-size:10pt; color: #000055; white-space: nowrap">/etc/conf.d/ntpd</span>. </p> <h2><span class="mw-headline" id="Using_a_cron_job_to_keep_the_time_in_sync">Using a cron job to keep the time in sync</span></h2> <p>Add the following to <span style="font-family: monospace, Courier; font-size:10pt; color: #000055; white-space: nowrap">/etc/periodic/daily</span> (or use another folder under the <span style="font-family: monospace, Courier; font-size:10pt; color: #000055; white-space: nowrap">/etc/periodic</span> hierarchy if you want to run the script more/less frequently) </p><p>Example: file called <span style="font-family: monospace, Courier; font-size:10pt; color: #000055; white-space: nowrap">do-ntp</span> </p> <pre>#!/bin/sh ntpd -d -q -n -p uk.pool.ntp.org</pre> <p>This queries the uk time server pool - you can modify this to suit your localisation, or just use <i>pool.ntp.org</i>. More info here: <a rel="nofollow" class="external text" href="https://www.pool.ntp.org/zone/@">https://www.pool.ntp.org/zone/@</a> </p> <h2><span class="mw-headline" id="Windows_clients_reports_an_error_when_trying_to_sync">Windows clients reports an error when trying to sync</span></h2> <p><span class="plainlinks" style="font-family: monospace, Courier;font-size:10pt;"><a rel="nofollow" class="external text" href="https://pkgs.alpinelinux.org/packages?name=openntpd&branch=edge&repo=&arch=x86_64&maintainer=">openntpd</a></span> needs to run for a while before it is satisfied it is in sync. Until then it will set a flag "clock not synchronized" and Windows will report an error while trying to sync with your openntpd server. </p><p>Only thing to do is wait, do something else for 15-20mins and then check. </p>    </div> <div class="printfooter" data-nosnippet="">Retrieved from "<a dir="ltr" href="https://wiki.alpinelinux.org/w/index.php?title=Alpine_Linux:FAQ&oldid=27474">https://wiki.alpinelinux.org/w/index.php?title=Alpine_Linux:FAQ&oldid=27474</a>"</div></div> <div id="catlinks" class="catlinks" data-mw="interface"><div id="mw-normal-catlinks" class="mw-normal-catlinks"><a href="/wiki/Special:Categories" title="Special:Categories">Category</a>: <ul><li><a href="/wiki/Category:Newbie" title="Category:Newbie">Newbie</a></li></ul></div></div> </div> </main> </div> <div class="mw-footer-container"> <footer id="footer" class="mw-footer" role="contentinfo" > <ul id="footer-info"> <li id="footer-info-lastmod"> This page was last edited on 9 October 2024, at 01:53.</li> <li id="footer-info-copyright"><div align="right"><div id="footer-inner"> <p><a href="https://wiki.alpinelinux.org/wiki/Alpine_Linux:Privacy_policy#License">© Original authors / CC-BY-SA-4.0</a> </div></div></li> </ul> <ul id="footer-places"> <li id="footer-places-privacy"><a href="/wiki/Alpine_Linux:Privacy_policy">Privacy policy</a></li> <li id="footer-places-about"><a href="/wiki/Alpine_Linux:About">About</a></li> <li id="footer-places-disclaimers"><a href="/wiki/Alpine_Linux:General_disclaimer">Disclaimers</a></li> </ul> <ul id="footer-icons" class="noprint"> <li id="footer-poweredbyico"><a href="https://www.mediawiki.org/"><img src="/w/resources/assets/poweredby_mediawiki_88x31.png" alt="Powered by MediaWiki" srcset="/w/resources/assets/poweredby_mediawiki_132x47.png 1.5x, /w/resources/assets/poweredby_mediawiki_176x62.png 2x" width="88" height="31" loading="lazy"/></a></li> </ul> </footer> </div> </div> </div> <script>(RLQ=window.RLQ||[]).push(function(){mw.config.set({"wgBackendResponseTime":133,"wgPageParseReport":{"limitreport":{"cputime":"0.046","walltime":"0.056","ppvisitednodes":{"value":743,"limit":1000000},"postexpandincludesize":{"value":12352,"limit":2097152},"templateargumentsize":{"value":2049,"limit":2097152},"expansiondepth":{"value":8,"limit":100},"expensivefunctioncount":{"value":0,"limit":100},"unstrip-depth":{"value":1,"limit":20},"unstrip-size":{"value":109,"limit":5000000},"timingprofile":["100.00% 26.140 1 -total"," 22.20% 5.804 13 Template:Pkg"," 22.13% 5.784 1 Template:Tip"," 17.24% 4.507 12 Template:Path"," 14.29% 3.734 1 Template:Box_GREEN"," 13.10% 3.423 17 Template:Cmd"," 9.02% 2.357 1 Template:Cat"," 8.85% 2.313 3 Template:Ic"," 7.16% 1.871 1 Template:Box"]},"cachereport":{"timestamp":"20241123104857","ttl":86400,"transientcontent":false}}});});</script> </body> </html>