apt - Package system is broken. How to fix it? - Ask Ubuntu
sudo apt-get clean Above command will clean out the local repository of retrieved package file. sudo apt-get install -f Will correct broken dependencies i.e. -f here stands for “fix broken”. sudo dpkg --configure -a will configure all (-a) the packages which haven't been configured yet. In the end do run the update command sudo apt-get update.
What is the difference between apt and apt-get? - Ask Ubuntu
apt-get may be considered as lower-level and "back-end", and support other APT-based tools. apt is designed for end-users (human) and its output may be changed between versions. Note from apt(8): The `apt` command is meant to be pleasant for end users and does not need to be backward compatible like apt-get(8).
apt - How do I search for available packages from the command …
apt-file search part_of_package_name | grep another_part_of_name Example of searching for ssh server package if I do not know the name is ssh-server or sshserver or server-ssh etc.: apt-file search ssh | grep server Steps to prepare apt-file search for searching. It should be done before first usage: sudo apt-get install apt-file sudo apt-file ...
apt - Unable to correct problems, you have held broken packages
Aug 23, 2014 · sudo apt-get autoremove sudo apt-get -f install sudo apt-get update sudo apt-get upgrade Install ubuntu toolchain from PPA. sudo add-apt-repository ppa:ubuntu-toolchain-r/test Then install aptitude. sudo apt install aptitude aptitude package manager is a much more handy installer than apt-get. It also suggests resolving conflicting dependencies ...
What are phased updates, and why does Ubuntu use them?
Also worth adding, as explained in the apt-preferences docs, that Phased Updates depend upon each machine's Machine ID, which maybe found (and potentially altered/copied - but generally one should avoid changing it as mentioned by @Daniel) in /etc/machine-id.
How to list installed package and its details on ubuntu?
apt list --manual-installed | awk -F/ -v ORS=" " 'NR>1 {print $1}' > apt_packages.txt Now all your apt-packages are ready to install on another or new installed Ubuntu system. sudo apt-get install < apt_packages.txt Detailed Description. If you want to know exactly when, what and which packages have been removed take a look in your /var/log/apt
Where are the logs for apt-get? - Ask Ubuntu
Jul 29, 2019 · Of course, cat /var/log/apt/term.log will display the file contents just fine. You may also be interested in tail -f /var/log/apt/term.log. This only displays the last few lines (tail) of the file, and, more interestingly, will continually print whatever gets appended to that file. This is quite interesting if you want to "observe" the log.
How to downgrade a package via apt-get? - Ask Ubuntu
Sep 15, 2014 · If you have the version number, or the target release, apt-get supports choosing a particular version or target release. More details can be found on manual page of apt-get. It can also be accessed from terminal by typing man apt-get. sudo apt-get install <package-name>=<package-version-number> OR. sudo apt-get -t=<target release> install ...
apt - How to delete broken packages in ubuntu - Ask Ubuntu
Sep 17, 2014 · sudo apt-get update then cleanup any partial packages . sudo apt-get autoclean Now clean the apt cache. sudo apt-get clean Now remove any unnecessary dependancies . sudo apt-get autoremove from the command above, you can identify any broken packages and forcefully remove it like this. sudo dpkg --remove --force-remove-reinstreq package_name
apt - Find (and reinstall) packages with corrupted files (without ...
sudo apt-get install --reinstall $(dpkg -S $(sudo debsums -c) | cut -d : -f 1 | sort -u) Reinstalls packages with changed files. My disk were randomly corrupted while I was experimenting with a beta OS. So I ran these 3 commands from the docs (debsums -c, dpkg -S, and apt-get install) one by one to understand what they do. It seems to have ...