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How Do Groups Work on Linux?
Hello! Last week, I thought I knew how users and groups worked on Linux. Here is what I thought:
Every process belongs to a user...
Open Source Cloud Skills and Certification Are Key for SysAdmins
System administrator is one of the most common positions employers are looking to fill among 53 percent of respondents to the 2017 Open Source...
Finding Files with mlocate: Part 3
In the previous articles in this short series, we introduced the mlocate (or just locate) command, and then discussed some ways the updatedb tool...
Exploring the Linguistics Behind Regular Expressions
Little did I know that learning about Chomsky would drag me down a rabbit hole back to regular expressions, and then magically cast regular...
Kube-Node: Let Your Kubernetes Cluster Auto-Manage Its Nodes
This contributed article is part of a series, from members of the Cloud Native Computing Foundation (CNCF), about the upcoming CNCF’s Kubecon/CloudNativeCon, taking place in Austin, Dec....
How to Install and Use Docker on Linux
Containers are all the rage in IT — with good reason. Containers are lightweight, standalone packages that contain everything needed to run an application...
Moving API Security Testing into Dev/QA
Discussing API security and why we should care is a little bit like talking about eating our vegetables. We all know that eating our...
Security Jobs Are Hot: Get Trained and Get Noticed
The demand for security professionals is real. On Dice.com, 15 percent of the more than 75K jobs are security positions. “Every year in the...
How to Monitor the SRE Golden Signals
Site Reliability Engineering (SRE) and related concepts are very popular lately, in part due to the famous Google SRE book and others talking about the “Golden...
How to Install Firefox Quantum in Linux
Finally, Firefox 57 was officially released for all major OS e.g. Linux (32/64 bit), Mac OSX, Windows and Android. The binary package are now available for...