How to Fix “passwd: Authentication token manipulation error” in Linux

Full Article : Tecmint – https://www.tecmint.com/fix-passwd-authentication-token-manipulation-error-in-linux/ 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” … Read more

whowatch – Monitor Linux Users and Processes in Real Time

Full Article : Tecmint – https://www.tecmint.com/whowatch-monitor-linux-users-and-processes-in-real-time/ 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 … Read more

Deprecated Linux Networking Commands and Their Replacements

Full Article : Tecmint – https://www.tecmint.com/deprecated-linux-networking-commands-and-their-replacements/ 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 … Read more

A Linux Sysadmin’s Guide to Network Management, Troubleshooting and Debugging

Full Article : Tecmint – https://www.tecmint.com/linux-networking-commands/ 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 … Read more

Scout_Realtime – Monitor Server and Process Metrics in Linux

Full Article : Tecmint – https://www.tecmint.com/scout_realtime-monitor-linux-server-and-process-metrics/ In the past, we’ve covered lots of command-line based tools for monitoring Linux performance, such as top, htop, atop, glances and more, and a number of web based tools … Read more

Install VirtualBox Guest Additions in CentOS, RHEL & Fedora

Full Article : Tecmint – https://www.tecmint.com/install-virtualbox-guest-additions-in-centos-rhel-fedora/ VirtualBox Guest Additions are software (typically device drivers and other special system applications) that enable seamless integration between the host and guest systems. They help you make the best … Read more

Tuned – Automatic Performance Tuning of CentOS/RHEL Servers

Full Article : Tecmint – https://www.tecmint.com/tuned-automatic-performance-tuning-of-centos-rhel-servers/ To maximize the end-to-end performance of services, applications and databases on a server, system administrators usually carry out custom performance tunning, using various tools, both generic operating system tools … Read more