Linux installing updates

Intro

The steps below describe how to install the latest package-updates.

Install package-updates on CentOS 7

• yum update all --> install all available updates (includes new kernels)
• yum clean all --> clean up packages and headers

auotmatically check/install updates (optional):

• sudo yum install yum-cron --> auto check for updates
• sudo nano /etc/yum/yum-cron.conf --> set options (servername, email-address, etc.)
• sudo systemctl start yum-cron --> start yum-cron
• sudo systemctl enable yum-cron --> enable yum-cron at system startup

Install package-updates on Ubuntu 16.04

• apt-get update --> update the package-lists with latest information
• apt-get upgrade --> install packages without adding or removing packages
• apt-get dist-upgrade --> install packages and adds or removes neccessary packages
• apt-get autoclean --> clean up local repository
• apt-get autoremove --> clean up unused automatically installed packages to satisfy dependencies

Install package-updates on Debian 8.6

• apt-get update --> update the package-lists with latest information
• apt-get upgrade --> install packages without adding or removing packages
• apt-get dist-upgrade --> install packages and adds or removes neccessary packages
• apt-get autoclean --> clean up local repository
• apt-get autoremove --> clean up unused automatically installed packages to satisfy dependencies