This article describes how to install updates on an unmanaged server.
Maintaining an up-to-date server with the latest patches and fixes is one of the most important things you can do to make your server more secure.
The procedures for different types of operating systems are described below.
CentOS and Fedora
To download and install the latest updates immediately, type the following command as the root user:
yum update
The previous command runs in interactive mode, which means you are asked at certain points during the update process whether or not you want to continue. To install updates without any user intervention, type the following command instead:
yum -y update
Debian and Ubuntu
To search the repositories for updates and then install them immediately, type the following command as the root user:
apt-get update && apt-get upgrade
The previous command runs in interactive mode, which means you are asked at certain points during the update process whether or not you want to continue. To install updates without any user intervention, type the following command instead:
apt-get -y update && apt-get -y upgrade
Other Linux distributions
For other Linux distributions, consult its documentation for the steps to install updates.
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