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Linkerd 2.0: Service Ops for You and Me
In a microservices environment the service owner writes the code as well as increasingly is also responsible for keeping the service(s) they wrote up...
5 Tips to Improve Productivity with zsh
The Z shell known as zsh is a shell for Linux/Unix-like operating systems. It has similarities to other shells in the sh (Bourne shell) family, such as as bash and ksh, but it...
Encrypting NFSv4 with Stunnel TLS
NFS clients and servers push file traffic over clear-text connections in the default configuration, which is incompatible with sensitive data. TLS can wrap this...
Brian Kernighan Remembers the Origins of ‘grep’
This month saw the release of a fascinating oral history, in which 76-year-old Brian Kernighan remembers the origins of the Unix command grep.
Kernighan is already a legend...
Users, Groups and Other Linux Beasts: Part 2
In this ongoing tour of Linux, we’ve looked at how to manipulate folders/directories, and now we’re continuing our discussion of permissions, users and groups,...
Users, Groups, and Other Linux Beasts
Having reached this stage, after seeing how to manipulate folders/directories, but before flinging ourselves headlong into fiddling with files, we have to brush up...
How to Use dd in Linux Without Destroying your Disk
Whether you're trying to rescue data from a dying storage drive, backing up archives to remote storage, or making a perfect copy of an...
Supercomputers: All Linux, All the Time
The latest TOP500 Supercomputer list is out. What's not surprising is that Linux runs on every last one of the world's fastest supercomputers. What...
Linux Fu: The Great Power of make
Over the years, Linux (well, the operating system that is commonly known as Linux which is the Linux kernel and the GNU tools) has...
Python 3: Sometimes Immutable Is Mutable and Everything Is an Object
What is Python?
Python is an interpreted, interactive object-oriented programming language; it incorporated modules, classes, exceptions, dynamic typing and high level data types. Python is also powerful when...