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How to Install Software With YAST From the Command Line

YAST can install a package from the command line or from a script. This functionality is useful if wanting to install software on a group of machines, such as a cluster. YAST can install a package given the full path or by pulling from the software available in the listed installation sources (i.e. Those listed in YAST -> Software -> ... Read More »

How to setup Nagios Network Monitoring System in Ubuntu

Nagios is a host and service monitor designed to inform you of network problems before your clients, end-users or managers do. It has been designed to run under the Linux operating system, but works fine under most *NIX variants as well. The monitoring daemon runs intermittent checks on hosts and services you specify using external “plugins” which return status information ... Read More »

How to set a static IP in Ubuntu from the shell

One of the first things I do for my desktops is set them with a static IP. Below is how I go about it. First uninstall Network Manager. This will just simply get in the way. Edit as root: /etc/network/interfaces and adjust it to your needs (in this example setup I will use the IP address 192.168.0.100): # This file ... Read More »

How to use apt-get and dpkg in Ubuntu

Here are a few tricks for APT, the Advanced Packaging Tool used on Debian and Debian-based distributions like Ubuntu. View all the packages installed on a system The easiest way to do it is: dpkg –get-selections It does not require to be root, and will display all the packages installed via APT. For example, the first lines may look something ... Read More »