SysAdmin

SED is a text stream editor for modifying files in a fast and efficient way. Learn how to use the sed command and its options through easy-to-follow examples.

The wc command is part of the coreutils Linux package containing the GNU core utilities. This tutorial will show you how to use the wc command and its options. It will also provide use examples and demonstrate ways in which wc works together with other commands.

A syslog server gathers and organizes log messages from various devices on the network. This article explains what a syslog server is, its purpose, and lists examples for the best free and paid syslog servers.

The dpkg command in Linux helps unpack Debian packages (.deb) and install software on Debian and Debian-based OS-es like Ubuntu. Learn how to use the command in this tutorial.

The sort command allows you to arrange a file's contents in various ways, without changing the original file. This tutorial shows how to use the sort command.

The less command is a Linux terminal pager allowing you to open large files in the terminal one page at a time. Follow this guide and master the less command.

The 503 service unavailable error is a HTTP error code indicating the website is temporarily unavailable. Learn more about the error and how to troubleshoot it in this tutorial.

This tutorial shows how to read a file line by line using the Bash shell. See five different methods and process a file's contents effectively.

Data integration tools help transport, modify and integrate data into various systems. Learn about the different available tools today and leverage the power of your data.

The lspci command lets you display information about PCI devices connected to your system. Learn how to use the lspci command in this tutorial.