This tutorial explains how to set up Nginx as an HTTPS reverse proxy on Linux Ubuntu, What is Nginx? Nginx is a popular web server, reverse proxy, load balancing, mail proxy, and HTTP caching software package which can be run on the Linux Operating System.… Read More »How to Set Up Nginx HTTPs Reverse Proxy on Ubuntu
Find the best media server software for Linux in 2021 with a built-in web client, native client, support for multiple formats, and more. Home media servers have become increasingly popular and there are a number of commercial and free options. Media servers are also a… Read More »Best Media Server Software for Linux [2021]
Here’s a quick 3-step method for outlining text in GIMP 2. GIMP is the most popular photo manipulation and image editing package for Linux. Many tutorials go through a long-winded process of converting the text to paths and expanding selections, but in the end, if… Read More »Quickly and Easily Outlining Text in GIMP 2 [3 Easy Steps]
This article explains how to search for words and expressions using Vim. Vim is ubiquitous, some tips and tricks can help you in everyday work life. So! Let’s explore simple searching, with Vim. Find a string Starting in normal mode, press forward-slash (/). Type in… Read More »How to Search in Vim Text Editor
This tutorial explains how to find and replace words in Vim/Vi. Vim provides the substitute command, similar to sed, for replacing text. Let’s go through and look at your options for finding and replacing text in this popular Linux text editor. Vim Syntax #from :help… Read More »Vim: How to Find and Replace
This tutorial will teach you how to delete single, blank, or multiple lines in Vim / Vi by using a pattern or range. Vim is ubiquitous, and it’s everywhere. Learning how to edit, remove, yank, paste, and everything else can help you speed through tasks. Before… Read More »Vim / Vi: Deleting lines
In this guide, we explain how to save a file and quit/exit in Vim, how to save a file without exiting, and how to quit/exit without saving. Vim (Vi IMproved) is an open-source text editor for Unix or Linux. It’s used to write and edit… Read More »How to Save a File and Quit in Vim/Vi
Most of Linux distributions comes with Linux Auditing System that makes it possible to track file changes, file accesses as well as system calls. It’s pretty useful functionality for sysadmins who wish to know who and when accessed and/or changed sensitive files like /etc/passwd, /etc/sudoers… Read More »Track file changes using auditd
cpulimit is a small program written in C that allows to limit CPU usage by Linux process. Limit is specified in percentage so it’s possible to prevent high CPU load generated by scripts, programs or processes. I found cpulimit pretty useful for the scripts running… Read More »Limit CPU usage of Linux process
Some time ago I came across NagMap addon for Nagios and found it pretty helpful for monitoring multiple hosts around the world. For example, there are some production servers in Europe, US and others in India and New Zealand and it’s much better see their… Read More »Geolocation for Nagios