A collection of the top Linux command tips

This collection of expert advice compiles the top Linux command tips from SearchEnterpriseLinux.com based on user data, including how to use grep and sed, netstat, and more.

As a sysadmin, you’ll need to use the command line instead of the GUI from time to time. Do you know how to monitor what’s running on your Linux server through the command line? Can you confidently unlock the copying prowess of the dd command? Brush up on your command-line skills with this collection of expert advice -- a list of the 10 top Linux command tips from SearchEnterpriseLinux’s vast library, based on reader data. Be sure to also check out our comprehensive guide to 77 useful Linux commands and utilities.

Using grep and sed to find and replace
Using the Linux commands grep and sed can help search for a string of text within a file and replace strings.

Linux/Unix commands: How to get copy, conversion power with dd
The Linux command dd handles convert-and-copy tasks, and aids in cloning the hard drive, among other tasks.

How to manage software on Ubuntu Server with "aptitude" and "apt-get"
In this tip, learn how to use aptitude and apt-get to perform Linux package management.

Keep an eye on Linux processes with ps
By using the command-line tool ps, you can monitor what’s running on your Linux server.

Samba management: Configuration with the net utility, part 1
The first installment of a tip series that explains using the net utility to configure the primary domain controller and manage a server in Samba.

Samba management: Configuration with the net utility, part 2
Part 2 of a tip that explains using the net utility to configure the primary domain controller and manage a server in Samba.

Screen: The terminal babysitter in the sysadmin's toolbox
Screen is a terminal multiplexor that allows for a single terminal window to run multiple applications with more flexibility.

Understanding Linux system performance management using top
Using the Linux command top can provide sysadmins with system performance data. Learn how to analyze these top results, including data such as load average values.

Netstat: A small but powerful tool for administrators
Learn how to use the Linux command netstat to check if your network is under attack.

Analyzing Linux write performance problems with iotop
There could be write performance problems on your Linux system, and the iotop Linux command may be more detailed than top in getting to the root of the performance issues.

This was first published in October 2010

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