Reinstall All Packages with Pacman on Arch Linux

1. How do I reinstall all Pacman packages?
2. How do I reinstall all packages Arch?
3. How do I uninstall Pacman packages?
4. How do I find my packages on Pacman?
5. How do I fix Arch Linux?
6. How do I clear my cache on Pacman?
7. How do I update an Arch Linux package?
8. How do you check if a package is installed in Arch?
9. How do I get rid of unused packages in Arch?
10. Is it safe to delete var cache Pacman?
11. Is Pacman better than apt?
12. How do I update my pacman mirror list?

How do I reinstall all Pacman packages?

Reinstalling all packages

Foreign (AUR) packages must be reinstalled separately; you can list them with pacman -Qqm . Pacman preserves the installation reason by default.

How do I reinstall all packages Arch?

You can use Pacman package manager to reinstall all the system packages on your Arch Linux machine. Another scenario may be, let's say you did a full system upgrade. Everything went well. But once you reboot your system, it won't start and you're getting warnings that some files are missing.

How do I uninstall Pacman packages?

Removing a Package and All the Dependencies with Pacman

Just press y and then press <Enter> to remove all of these packages. As you can see, all the packages are removed.

How do I find my packages on Pacman?

Pacman can search for packages in the database, searching both in packages' names and descriptions: $ pacman -Ss string1 string2 ... To search for already installed packages: $ pacman -Qs string1 string2 ...

How do I fix Arch Linux?

Broke my Arch Linux again. Here's how I fixed it.

1. Boot a Arch live disk (Pen Drive or CD)
2. Connect to internet: wifi-menu.
3. Mount your root partition: mount /dev/sda# /mnt ( sda2 in my case)
4. Mount your boot partition: mount /dev/sda# /mnt/boot ( sda1 in my case)
5. change your root directory: arch-chroot /mnt.

How do I clear my cache on Pacman?

Pacman has a built-in option to remove all cached packages. You can clean the cached packages by running "sudo pacman -Sc" command. However, this command will remove all old versions and leave only the versions of packages which are currently installed available.

How do I update an Arch Linux package?

Always make a backup before updating your system.

1. Research the Upgrade. Visit the Arch Linux homepage, to see if there have been any breaking changes to packages that you have installed recently. ...
2. Update Respoitories. ...
3. Update PGP Keys. ...
4. Update the System. ...
5. Reboot the System.

How do you check if a package is installed in Arch?

You can use the arch package management tool pacman. As you can see in the Arch-Wiki, the -Qs option can be used to search within the installed packages.

How do I get rid of unused packages in Arch?

1. Clean pkg cache. List packages. ls /var/cache/pacman/pkg/ | less. Remove all pkg except those installed sudo pacman -Sc. Remove all files sudo pacman -Scc. ...
2. remove unused packages. List unused sudo pacman -Qtdq. Remove unused sudo pacman -R $(pacman -Qtdq)
3. Clean home cache. cache is located in ~/.cache.
4. Config Files.

Is it safe to delete var cache Pacman?

No, pacman doesn't remove old packages from your cache ( /var/cache/pacman/pkg ) so, over time, it can fill up. Remove packages that are no longer installed from the cache as well as currently unused sync databases to free up disk space. When pacman downloads packages, it saves them in a cache directory.

Is Pacman better than apt?

Apt-get is much more mature than pacman (and possibly more feature-rich), but their functionality is comparable. Apart from the time saved in typing the command, I don't think there's any direct speed comparison available anywhere.

How do I update my pacman mirror list?

Updating the Pacman Database

1. The Pacman mirror configuration is in /etc/pacman. ...
2. Run the following command to edit /etc/pacman.d/mirrorlist file:
3. Type in your password and press <Enter>.
4. All the mirrors are active by default.