На системах Education и Kworkstation, если добавить сервис apt-updatecache.service в автозапуск, то после загрузки системы показывает, что apt-get update не отработало: июл 09 15:40:09 edu-91-x86-64-kde-20210709.localdomain systemd[1]: Starting Update APT cache... июл 09 15:40:09 edu-91-x86-64-kde-20210709.localdomain apt-get[2844]: Ошибка http://ftp.altlinux.org p9/branch/x86_64 release июл 09 15:40:09 edu-91-x86-64-kde-20210709.localdomain apt-get[2844]: Could not resolve 'ftp.altlinux.org' июл 09 15:40:09 edu-91-x86-64-kde-20210709.localdomain apt-get[2844]: Ошибка http://ftp.altlinux.org p9/branch/x86_64-i586 release июл 09 15:40:09 edu-91-x86-64-kde-20210709.localdomain apt-get[2844]: Could not resolve 'ftp.altlinux.org' июл 09 15:40:09 edu-91-x86-64-kde-20210709.localdomain apt-get[2844]: Ошибка http://ftp.altlinux.org p9/branch/noarch release июл 09 15:40:09 edu-91-x86-64-kde-20210709.localdomain apt-get[2844]: Could not resolve 'ftp.altlinux.org' июл 09 15:40:09 edu-91-x86-64-kde-20210709.localdomain apt-get[2844]: Ошибка http://git.altlinux.org repo/277680/x86_64 release июл 09 15:40:09 edu-91-x86-64-kde-20210709.localdomain apt-get[2844]: Could not resolve 'git.altlinux.org' июл 09 15:40:09 edu-91-x86-64-kde-20210709.localdomain apt-get[2844]: W: Release files for some repositories could not be retrieved or authenticated. Such repositories are being ignored. июл 09 15:40:09 edu-91-x86-64-kde-20210709.localdomain apt-get[2844]: E: Failed to fetch http://git.altlinux.org/repo/277680/x86_64/base/release Could not resolve 'git.altlinux.org' июл 09 15:40:09 edu-91-x86-64-kde-20210709.localdomain apt-get[2844]: W: Release files for some repositories could not be retrieved or authenticated. Such repositories are being ignored. июл 09 15:40:09 edu-91-x86-64-kde-20210709.localdomain apt-get[2844]: E: Failed to fetch http://ftp.altlinux.org/pub/distributions/ALTLinux/p9/branch/x86_64/base/release Could not resolve 'ftp.altlinux.org' июл 09 15:40:09 edu-91-x86-64-kde-20210709.localdomain apt-get[2844]: W: Release files for some repositories could not be retrieved or authenticated. Such repositories are being ignored. июл 09 15:40:09 edu-91-x86-64-kde-20210709.localdomain apt-get[2844]: E: Failed to fetch http://ftp.altlinux.org/pub/distributions/ALTLinux/p9/branch/x86_64-i586/base/release Could not resolve 'ftp.altlinux.org' июл 09 15:40:09 edu-91-x86-64-kde-20210709.localdomain apt-get[2844]: W: Release files for some repositories could not be retrieved or authenticated. Such repositories are being ignored. июл 09 15:40:09 edu-91-x86-64-kde-20210709.localdomain apt-get[2844]: E: Failed to fetch http://ftp.altlinux.org/pub/distributions/ALTLinux/p9/branch/noarch/base/release Could not resolve 'ftp.altlinux.org' июл 09 15:40:09 edu-91-x86-64-kde-20210709.localdomain apt-get[2844]: E: Some index files failed to download. They have been ignored, or old ones used instead. июл 09 15:40:09 edu-91-x86-64-kde-20210709.localdomain apt-get[2844]: E: Tried to dequeue a fetching object июл 09 15:40:09 edu-91-x86-64-kde-20210709.localdomain apt-get[2844]: E: Tried to dequeue a fetching object июл 09 15:40:09 edu-91-x86-64-kde-20210709.localdomain apt-get[2844]: E: Tried to dequeue a fetching object июл 09 15:40:09 edu-91-x86-64-kde-20210709.localdomain apt-get[2844]: E: Tried to dequeue a fetching object июл 09 15:40:09 edu-91-x86-64-kde-20210709.localdomain systemd[1]: apt-updatecache.service: Main process exited, code=exited, status=100/n/a июл 09 15:40:09 edu-91-x86-64-kde-20210709.localdomain systemd[1]: apt-updatecache.service: Failed with result 'exit-code'. июл 09 15:40:09 edu-91-x86-64-kde-20210709.localdomain systemd[1]: Failed to start Update APT cache. На Workstation и Server такой проблемы нет.
apt-updatecache-1.2-alt1 -> sisyphus: Sat Jul 10 2021 Andrey Cherepanov <cas@altlinux> 1.2-alt1 - Fix run on startup (ALT #40423). - Add Requires=network-online.target to service file. - Remove randomized run of timer.