To save your changes in nano, use Ctrl + O followed by Enter. Unattended-Upgrade::Automatic-Reboot-Time "02:38" sudo apt list -upgradable grep security cut -d/ -f1xargs sudo apt-get install -y. Unattended-Upgrade::Automatic-Reboot "true" First it lists all upgradeable packages, filter out only the ones coming from a security repo, cut the returned strings at the first field, and then passes them to apt-get install for package update. Error while 'sudo apt-get update' Ask Question Asked 3 years, 7 months ago Modified 2 years, 8 months ago Viewed 5k times -3 I was trying to run the command sudo apt-get update It showed me the following error. Unattended-Upgrade::Remove-Unused-Dependencies "true" Recommended: remove unused kernel packages and dependencies and make sure the system automatically reboots if needed by uncommenting and adapting the following lines: Unattended-Upgrade::Remove-Unused-Kernel-Packages "true" // check for semicolon in Ubuntu 18.04 The most important: uncomment the “updates” line by deleting the two slashes at the beginning of it: $-updates To “enable” a line, remove the double slash at the beginning of the line (replace with nothing or with spaces to keep alignment). The beginning of the configuration file should look like this:Īnything after a double slash “//” is a comment and has no effect. Many third-party sources do not update in sync with Ubuntu, causing unexpected apt conflicts.Įdit the configuration file (here with nano – replace with any other text editor): sudo nano /etc/apt//50unattended-upgrades The sudo apt update command is used in the Ubuntu terminal to update the system repository. It's possible to add non-Ubuntu deb sources (like Chrome) to the same automatic upgrade config ( here's how), but it's not recommended. Other pockets of the Ubuntu repositories (-proposed, -backports) are not recommended due to the risk of automatically installing a package that breaks your system. Simply uncomment the appropriate line of the file. You can easily add the -updates pocket of the Ubuntu repositories (bugfixes and non-security upgrades) by editing the config file /etc/apt//50unattended-upgrades. Example of how to see it: $ systemctl list-timers apt-daily-upgradeįri 06:41:09 CDT 22h left Thu 07:24:53 CDT 24min ago apt-daily-upgrade.timer rvice The system runs apt upgrade for security upgrades only daily on a timer (Unattended Upgrades). Thu 13:49:38 CDT 6h left Wed 20:50:52 CDT 10h ago apt-daily.timer rvice Example of how to see it: $ systemctl list-timers apt-daily The timer runs at a random time each day to avoid hammering the mirrors. The system runs apt update daily on a timer. See for how to edit the frequency and other settings. This is a key feature of Snaps, and is how the all-Snap Ubuntu Core stays up completely up to date automatically. Snapd checks for snap packages updates four times each day, and silently downloads and installs any that are discovered. These features are already included with a normal Ubuntu install. A stock Ubuntu system already automatically updates/upgrades.
0 Comments
Leave a Reply. |
AuthorWrite something about yourself. No need to be fancy, just an overview. ArchivesCategories |