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What is apt cache command?
apt-cache is a command to manipulate and obtain information from the packages at apt’s cache. It creates a repository of information about the packages that are avaiable from your sources list, so this way you can search packages and information about it.
How do I install apt-cache?
First, login into server to open a terminal using ‘Ctr+Alt+T’ and install Apt-Cacher-NG package using following ‘apt’ command. After installation completes, the apt-cacher-ng will start automatically. Now open and edit the cache-ng configuration file located under ‘/etc/apt-cacher-ng’ directory.
How do I use apt-cache?
In Ubuntu and Debian systems, you can search for any package just by a keyword related to its name or description through the apt-cache search. The output returns you with a list of packages matching your searched keyword. Once you find the exact package name, you can then use it with the apt install for installation.
Is it OK to delete var cache?
Unlike /var/spool , the cached files can be deleted without data loss. Files located under /var/cache may be expired in an application specific manner, by the system administrator, or both. The application must always be able to recover from manual deletion of these files (generally because of a disk space shortage).
Where is the default cache directory for apt-file?
If you run apt-file as a regular user, the default cache directory is $HOME/.cache/apt-file/. If you run apt-file as root, or if your user cache does not exist, the default cache directory is /var/cache/apt/apt-file/.
Which is the correct command to install apt-file?
If apt-file is not already installed on your system, you can install it with the command: sudo apt update && sudo apt install apt-file. After installation, you will receive a message about creating the apt-file cache: The system-wide cache is empty. You may want to run ‘apt-file update’ as root to update the cache.
When do I need an apt-file update?
An apt-file update will be needed before a search can be performed on the user cache. If the user cache doesn’t exist, the system-wide cache can be used for user searches.
Can a directory name be searched in apt-file?
Directory names are not searched, only file names. The same as list. Update apt-file’s user cache of package contents from all configured APT sources. Different packages exist for different computer architectures. Use this option to specify which architecture’s packages should be searched.