Inxi – A Nonpareil Command Line Tool

 Command Line, Linux  Comments Off on Inxi – A Nonpareil Command Line Tool
Dec 132014
 

Although there are solid GUI tools like hardinfo and sysinfo that provide a cornucopia of hardware, software and even networking information about your Linux system, nothing beats inxi for those who live, breathe and die on the command line. The beauty of inxi is that it provides its output in Read More

Netstat Cheat Sheet for Newbies

 Command Line, Linux  Comments Off on Netstat Cheat Sheet for Newbies
Dec 132014
 

Of the several command line tools available to Linux administrators, netstat ranks among the most useful. Netstat displays network connections for Transmission Control Protocol (incoming and outgoing), routing tables, and several network interface and network protocol statistics. Although some Linux administrators are known to grumble that ss is a newer, Read More

Memory – Ultimate ‘Free’ Cheat Sheet

 Command Line, Linux  Comments Off on Memory – Ultimate ‘Free’ Cheat Sheet
Dec 122014
 

There’s nothing more crucial to a computer or server than memory. Information on memory installed, memory used and memory free are indispensable data to any Linux system administrator. Should memory on your system be inadequate for the load, the results will be most unpleasant to users. The best way to Read More

Fedora 21 Out of the Gate

 Linux  Comments Off on Fedora 21 Out of the Gate
Dec 092014
 

Fedora 21 debuted today and the upgrade is available in three flavors – Workstation (previously known as the desktop version), Server and Cloud. The three versions are built on a common base that uses the same packages for kernel, RPM, Yum, systemd, Anaconda, etc. Fedora Workstation Fedora developers are touting Read More

Even Netstat Can’t Find Turla Linux Trojan

 Linux, Security  Comments Off on Even Netstat Can’t Find Turla Linux Trojan
Dec 092014
 

Until this morning, like countless others I too labored under the blissful illusion that Netstat was the panacea for all my Linux security concerns. Alas, that feeling of comfort has disappeared since the discovery of an extremely stealthy Netstat-defying Turla Linux trojan. The dangers of the Linux Turla trojan including Read More

Tar It, Baby! Just Tar It

 Command Line  Comments Off on Tar It, Baby! Just Tar It
Dec 082014
 

As a Red Hat Linux server administrator, one command I’ve frequently resorted to is tar. Tar (the command originates from tape archive) is also one of the first commands a Linux newbie must quickly learn. Uses of Tar Now why would anyone need to learn to use tar? Tar is Read More