Firewall is important security component of every operating system. Linux kernel has great packet filtering and port filtering framework which is called Netfilter. To have a complete firewall, the userspace command line frontends have been created. Most well known framework for [...]
Mihajlo Milenovic
How to Install and Manage Snap Packages on Ubuntu 16.10
Advanced packaging tool, known for acronym apt, have been used in Debian and derivatives for nearly two decades. Similarly on Red Hat based systems, the RPM is used for even longer. To fix shortcomings with this packaging system, AppImage, FlatPak and Snap have [...]
Best Tools to Make Animated GIF in Linux Systems
Animated GIF images have become an art of its own, with funny scenes and memes flooding the internet. Animated GIFs are also useful to us geeks, for example for showing interactive terminal output. When there is not enough content to [...]
How to Setup Ports Collection on FreeBSD 11.0
FreeBSD operating system can use binary packages with pkg utility, but for for some ocassion, like running newest versions of the code, you would want to compile some programs. For that, there is very useful ports collection that simplifies compilation [...]
8 Things to do after Installing FreeBSD 11 Unix System
After you read our article about FreeBSD 11 install process, you probably want to know a set of commands that you can run to get good FreeBSD usability right after install. FreeBSD UNIX is straight forward to setup and install if [...]
How To Use Wire a Secure Opensource Chat App in Linux Systems
If you are like me, using Skype on Linux for communication with family, friends, colleagues... you must have got tired of same old never updated Skype client. Windows version of Skype gets all the new features while Microsoft predictably left [...]
Mylg - A Command Line Network Monitoring Tool for Linux Systems
In this article we will show how to install and use the network monitoring software called My Looking Glass, or mylg. It is fairly early in mylg development but it already supports lots of great features like for example packet [...]
How to Install Terminix the Tiling Terminal Emulator in Linux Distros
If you are frequently longing onto multiple servers over SSH and have many terminal windows floating over your desktop, this article might be interesting for you. To do away with window clutter, we are going to install Terminix, a tiling [...]
How to Setup Kubernetes 1.4 with kubeadm on Ubuntu
If you read our article about running Kubernetes locally, you are probably familiar with Kubernetes and eager to try it on real cluster as opposed to running it on one node with Minikube. Well, since then Kubernetes 1.4 came out, [...]
How to Setup Etcher USB and SD Card Image Writer for Linux
There are plenty of tools for writing to USB drives on Linux, but most are specialized to writing bootable USB images of one distro. For example, Fedora has its own tool which makes Fedora Live USB, and other distros also [...]
How to Install Freebsd 11 Unix Server and Its Time to Upgrade
The new Freebsd 11 release announcement supposed to happen Monday, 10 October 2016 (update - released ) with pending security fixes (please wait for final release 11.0-RELEASE-p1 for production upgrade) while we have images ready on ftp and its packed [...]
How to Setup Snapshots and Clones in ZFS on Linux
Notable new feature in Ubuntu 16.04 is addition of ZFS file system. This file system have long time been dubbed a Solaris' killer feature. It has been ported over to Linux but it wont be integrated into mainline kernel due [...]
How to Edit Video Using Avidemux on Linux
If you are in need to do video editing, Linux got you covered on multiple basis. For professional stuff there are Blender and Kdenlive, but former has a steep learning curve and later has a lot of KDE dependencies that [...]
How to Install perf Tool on CentOS and Ubuntu
Perf is a performance counter for Linux. With it you can know many secrets of the running linux system. For example why L2 cache misses are happening. Why your disk is showing activity, which code paths are making the stalls [...]