Why you need apt-get update and apt-get upgrade: Keeping your Linux system up-to-date with APT | Packagecloud Blog
![How To Search For Available Packages From Command Line In Debian, Ubuntu Or Linux Mint [APT] - Linux Uprising Blog How To Search For Available Packages From Command Line In Debian, Ubuntu Or Linux Mint [APT] - Linux Uprising Blog](https://4.bp.blogspot.com/-bdox3xiUw4k/W8R5Z8VBNkI/AAAAAAAABnw/f2gPElBdPaU2LayV-Tle3cAN7pMiPnSDQCLcBGAs/s1600/aptitude-ncurses-search.png)
How To Search For Available Packages From Command Line In Debian, Ubuntu Or Linux Mint [APT] - Linux Uprising Blog
![How To List All Packages In A Repository On Ubuntu, Debian Or Linux Mint [ APT] - Linux Uprising Blog How To List All Packages In A Repository On Ubuntu, Debian Or Linux Mint [ APT] - Linux Uprising Blog](https://4.bp.blogspot.com/-FKhTFVgXPeA/W_ar7CHBZ-I/AAAAAAAAB7I/zUJEvpi1nMkPF-iCNbVJO0IrlUrIR0lYwCLcBGAs/s1600/synaptic-list-all-ppa-packages.jpg)
How To List All Packages In A Repository On Ubuntu, Debian Or Linux Mint [ APT] - Linux Uprising Blog
![How to list installed packages with apt command on Linux - Linux Tutorials - Learn Linux Configuration How to list installed packages with apt command on Linux - Linux Tutorials - Learn Linux Configuration](https://linuxconfig.org/wp-content/uploads/2021/04/01-list-installed-packages-with-apt-command.png)