![]() ![]() I hope you like my humble effort in explaining the basic pacman commands. If you find the PID of the process holding the lock file with lsof command output, kill it first and then remove the lock file. If the above command doesn’t return anything, you can remove the lock file: rm /var/lib/pacman/db.lck If you are certain that no instances of pacman are running then delete the lock file.Ĭheck if a process is holding the lock file: lsof /var/lib/pacman/db.lck If pacman is interrupted while changing the database, this stale lock file can remain. This prevents another instance of pacman from trying to alter the package database at the same time. When pacman is about to alter the package database, for example installing a package, it creates a lock file at /var/lib/pacman/db.lck. Failed to init transaction (unable to lock database) It is often caused by usage of a custom XferCommand in nf. part files (partially downloaded packages) in /var/cache/pacman/pkg/ and remove them. Failed to commit transaction (invalid or corrupted package) Instead of manually renaming and later removing all the files that belong to the package in question, you may explicitly run pacman -S –overwrite glob package to force pacman to overwrite files that match glob. If all goes well, the file may then be removed. If the file is not owned by another package, rename the file which ‘exists in filesystem’ and re-issue the update command. ![]() If the file is owned by another package, file a bug report. ![]() This is happening because pacman has detected a file conflict and will not overwrite files for you.Ī safe way to solve this is to first check if another package owns the file (pacman -Qo /path/to/file). Package: /path/to/file exists in filesystemĮrrors occurred, no packages were upgraded. If you see the following error: error: could not prepare transactionĮrror: failed to commit transaction (conflicting files) Failed to commit transaction (conflicting files) Here are some common errors you may encounter while managing packages with pacman. Install a ‘remote’ package, not contained in an official repository: pacman -U Bonus: Troubleshooting common errors with pacman Install a ‘local’ package that is not from a remote repository: pacman -U _/path/to/package/package_ To remove all files from the cache, use the clean switch twice, this is the most aggressive approach and will leave nothing in the cache folder: pacman -Scc Installing local or third-party packages To remove all the cached packages that are not currently installed, and the unused sync database, execute: pacman -Sc Pacman can search for packages in the database, both in packages’ names and descriptions: pacman -Ss _string1_ _string2_. Pacman queries the local package database with the -Q flag, the sync database with the -S flag and the files database with the -F flag. For example, if two packages depend on the same library, upgrading only one package, might break the other package which depends on an older version of the library. That means when new library versions are pushed to the repositories, all the packages in the repositories need to be rebuilt against the libraries. Partial upgrades are unsupported at a rolling release distribution such as Arch and Manjaro. Alternatively you can subscribe to the RSS feed or the arch-announce mailing list.īe also mindful to look over the appropriate forum before upgrading fundamental software (such as the kernel, xorg, systemd, or glibc), for any reported problems. If manual intervention is needed an appropriate news post will be made. If you are an Arch Linux user before upgrading, it is advised to visit the Arch Linux home page to check the latest news for out-of-the-ordinary updates. ![]()
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