Practical Networking for Linux Admins: TCP/IP | Linux.com


Linux grew up with a networking stack as part of its core, and networking is one of its strongest features. Let’s take a practical look at some of the TCP/IP fundamentals we use every day.
It’s IP Address
I have a peeve. OK, more than one. But for this article just one, and that is using “IP” as a shortcut for “IP address”. They are not the same. IP = Internet Protocol. You’re not managing Internet Protocols, you’re managing Internet […] Continue Reading…

Linux Chgrp Command for Beginners (5 Examples) | Linux.com

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Fedora 26 Beta Comes with New Features » Linux Magazine

The Fedora project has announced the beta of Fedora 26, the latest version of Fedora OS. Three editions of Fedora target three different markets: Fedora 26 Workstation Beta, Fedora 26 Server, and Fedora 26 Atomic.As the name implies, Workstation targets desktop users, the Server edition is aimed at sys admins running servers, and Atomic targets DevOps, for managing cloud- and container-centric infrastructures.Although each edition targets a different market segment, they all share the same […] Continue Reading…

Trojan Turns Raspberry Pi into a Cryptocurrency… » Linux Magazine

The Russian security firm Doctor Web has discovered two trojan programs that target Linux machines. One Trojan turns Raspberry Pi machines into a cryptocurrency mining device, and the other runs a proxy server on Linux systems.The Trojan named Linux.MulDrop.14 targets Raspberry Pi devices, changing the password on the devices it infects, then unpacking and launching a miner, which, in an infinite loop, starts searching for network nodes with an open port 22 to replicate […] Continue Reading…

Install and monitor services using Monit on ubuntu 17.04 Server


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Monit is a utility for managing and monitoring, processes, files, directories and devices on a UNIX system. Monit conducts automatic maintenance and repair and can execute meaningful causal actions in error situations.
Monit Features
* Daemon mode — poll programs at a specified interval* Monitoring modes — active, passive or manual* Start, stop and restart of programs* Group and manage groups of programs* Process dependency definition* Logging to syslog or own logfile* Configuration — comprehensive controlfile* Runtime and TCP/IP […] Continue Reading…