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Most Linux problems aren't complex. They're poorly observed. These are the exact commands that I run before troubleshooting ...

How to troubleshoot an ethernet interface on a Ubuntu Server with ethtool Your email has been sent If a network interface card (NIC) is causing problems on your Ubuntu Server, see how to use the ...

In the beginning days of Unix and later Linux, disks were physically large, but very small in terms of storage capacity. A 300 megabyte disk in the mid-90’s was the size of a shoebox. Today, you can ...

Poor telnet, it used to be the cool kid on the block. It was the program all sysadmins turned to when they needed to connect to a remote server. Telnet just wasn't that good at keeping a secret—all ...

How to run a network speed test from a headless Linux server Your email has been sent Run a networking speed test on your headless Linux servers by installing a ...

Domain Name System or DNS errors can prevent you from being able to navigate the Web or access specific applications. There may be several reasons why you get a DNS ...

Effective troubleshooting requires that you know how to break a problem into pieces, track down evidence, and that you understand your systems and applications — as well as the tools at your disposal ...

Although there’s a fair amount of web server troubleshooting you can perform outside of the server itself, ultimately you will get in a situation where you want to know this type of information: How ...