Virtualization and containers are hot topics in today’s IT industry. In this article we will list the necessary tools to manage and configure both in Linux systems. For many decades, virtualization has helped IT...
Lua is a free and open source, powerful, robust, minimal and embeddable scripting language. It’s an extensible and interpreted scripting languages that is dynamically typed, run by interpreting bytecode with a register-based virtual machine....
We recently showed how to install MongoDB in Ubuntu 18.04. Once you have successfully deployed your database, you need to monitor its performance while it is running. This is one of the most important...
PostgreSQL (Postgres in short) is an open source, powerful, advanced, high performance and stable relational-document database system. It uses and enhances the SQL language coupled with a large number of features for secure data...
In Linux, the passwd command is used to set or change user account passwords, while using this command sometimes users may encountered the error: “passwd: Authentication token manipulation error” as shown in below example....
Osquery is a free open source, powerful and cross-platform SQL-based operating system instrumentation, monitoring, and analytics framework for Linux, FreeBSD, Windows, and Mac/OS X systems, built by Facebook. It is a simple and easy-to-use...
whowatch is a simple, easy-to-use interactive who-like command line program for monitoring processes and users on a Linux system. It shows who is logged on to your system and what they are doing, in...
In our previous article, we have covered some useful command line networking utilities for Sysadmin’s for network management, troubleshooting and debugging on Linux. We mentioned some networking commands that are still included and supported...
Alacritty is a free open-source, fast, cross-platform terminal emulator, that uses GPU (Graphics Processing Unit) for rendering, which implements certain optimizations that are not available in many other terminal emulators in Linux. Alacritty is...
A system administrator’s routine tasks include configuring, maintaining, troubleshooting, and managing servers and networks within data centers. There are numerous tools and utilities in Linux designed for the administrative purposes. In this article, we...
