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Several commands can help you see what's up with your network on Linux systems, including ip, ethtool, traceroute, tcptraceroute, and tcpdump.
Using the Linux find command with caution
To make sure files aren't removed accidentally when running the Linux find command, use the -ok command. It will ask for permission before removing any files.
Examining network connections on Linux systems
Linux systems provide a lot of useful commands for reviewing network configuration and connections. Here's a look at a few, including ifquery, ifup, ifdown and ifconfig.
Mastering file searches on Linux
There are many clever ways to hunt down files on Linux systems. Here's a look at the most useful commands and options.
Managing users on Linux systems
Here are some tasks and tools that make managing Linux accounts a little easier – and keep your Linux users happy.
What's behind the Linux umask?
The umask setting plays a big role in determining the permissions that are assigned to files that you create. But what's behind this variable, and how do the numbers relate to settings like rwxr-xr-x?
What you need to know to manage Linux disks
Managing Linux disks and the file systems that reside on them is something of an art – from initial setup to monitoring performance. Learn how to master that art, learning everything from the basics of Linux file systems to some expert commands.
Review: Considering Oracle Linux is a no-brainer if you’re an Oracle shop
The fact that Oracle Linux is free and that its reasonably priced support is readily available make it hard to ignore, especially for enterprises heavily invested in other Oracle offerings.
Review: Ubuntu LTS 16.04.02 has a long shelf life
Ubuntu is one of the most popular versions of Linux, with a very substantial market base, especially in the cloud. It's hard to find things not to like about it.
Review: 5 top Linux distros for enterprise servers
Linux distros are plentiful, and choosing the right server product can be a daunting task. Are you looking for a supported product, or can you go with a free version? Need Cloud support or virtualization? We’ll try to provide some answers.
Maneuvering around run levels on Linux
Learn how run levels are configured and how you can change the run level interactively or modify what services are available.
How to use the motd file to get Linux users to pay attention
Configuring login messages on Linux servers has gotten more complex and dynamic. But those types of messages, such as 'message of the day,' still have value. In this article, we look at the message of the day setup on an Ubuntu server to decipher how the process works.
12 reasons to learn Apple’s open-source Swift language
There are lots of reasons why you might want to learn how to build apps using Apple’s open-source Swift language, including ease of use, security and speed.
Half a dozen clever Linux command line tricks
Want to make your time in the command line more rewarding? Try these commands, including watch, look, man -k and help.
This Linux tool could improve the security of IoT devices
Snappy, a software deployment and management system designed by Canonical for the Ubuntu operating system, could be a shortcut to building trusted IoT applications.
How log rotation works with logrotate
Log rotation on Linux systems is important – and more complicated than you might expect. Learn what logrotate is, how it works, why you should use it and how to use it.
How to set up an all open-source IT infrastructure from scratch
You need to set up the IT infrastructure (email, file sharing, etc.) for a new company. No restrictions. No legacy application support necessary. How would you do it? What would that ideal IT infrastructure look like? For starters, everything should be open source.
How to use GNU's aspell to fix spelling errors in files
GNU's aspell is a very useful tool for fixing typos in files. It not only find your misspellings and displays them, but it offers a list of potential corrections and applies changes as instructed.
The top 7 Linux IoT projects
It’s a Linux world, and the rest of computing is just living in it – often literally, thanks to containerization. IoT, in all of its manifold forms, is no exception, and the Linux Foundation lists these seven projects as the key players in the march of connected open-source systems.
3 benefits you didn’t expect from Linux containers
Containers started with technical people, so many of the benefits are known instinctively by users. But if you are new to containers, these benefits might not be so obvious.