How to Install and Configure OpenSUSE JeOS

OpenSUSE JeOS is an extremely slimmed-down version of normal openSUSE Tumbleweed/Leap. It’s available as images for multiple virtualization platforms. When it comes to mass deployment and virtualization, for example, using in virtualized datacenters, openSUSE JeOS is the perfect match.Officially, openSUSE offers JeOS images for virtualization environments like Hyper-V, VMware, KVM, and Xen. In this article, …

List Disks on Ubuntu

In this article, I am going to show you how to list disks (i.e. SSDs, HDDs, USB thumb drives) attached on your computer from Ubuntu. So, let’s get started. Using lsblk Command: You can list all the attached disks on your computer from Ubuntu using the lsblk command as follows: $ sudo lsblk The ones …

Linux Command for Uptime

Uptime is the time a device, usually a server, is available, turned on and connected without interruption. Among Sysadmins the uptime of a server may be interesting to evaluate the components and configuration, for example, I have an old Slackware server with over 3 years of uptime without human intervention, showing evidence of Slackware stability. …

Command Line Apps to Perform a Internet Speed Test on Linux

Internet connection speed tests are helpful for finding out network connection problems, ISP throttling, server throttling, or other connectivity issues. This article will list some of the most popular methods to conduct speed tests in Linux using command line apps. Fast-cli Fast-cli is a command line utility to check download and upload speeds of your …

How to Set Environment Variables in Linux

Setting environment variables in Linux is a good way to define common and repetitive variables that are used across a number of applications and terminal commands. These environment variables help in cutting down verbosity, bring ease of use, and make development workflow better. An environment variable in Linux can be used to pass information or …

Debian Xfce vs Gnome

XFCE is a light desktop environment compatible with low resource systems while keeping a nice visual interface and effects like screen rotation and transparency. Xfce is extremely user friendly and it is a lot more user friendly than new GNOME versions for PC users without touch screen. XFCE is user friendly and among its features …

All About Debian /etc/network/interfaces File

The file /etc/network/interfaces available in Debian and its derived distributions allows to define static and dynamic IP addresses for the interfaces, setup routing information and default gateways, masquerading network bonding and more. The default interfaces file looks like the following: Where auto starts the interface at boot and iface calls the network interface (in this …