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Tux Machines
Posted by Roy Schestowitz on Jul 27, 2023
> If you work in IT, you may have been lucky enough to take home some hardware your company was going to donate, or recycle. Whether its a few small form factor workstations or a giant enterprise grade server, they can be a great tool for learning on your own. A similar situation is what started my homelab. My previous boss was going through his garage, and was getting rid of boxes and boxes of old IT equipment. He asked if I wanted to pick through it all before he donated it. I did exactly that, and came out with a bunch of cool stuff. One of those items was an old Lenovo workstation running Windows 7. As you know, Windows 7 is pretty old. Released in 2009, and support ended in 2020. Not something we want on our network , even if its going to be used for internal use. That leaves us 2 options:
> Before installing a new package, you need to check if it’s already installed on your system. Additionally, if you are shifting to a new system, having a list of all the installed packages can save you significant time and effort. It can also facilitate you in identifying unwanted packages that you want to remove to free up some space.
> Here's how to list all installed packages on various Linux distributions including Ubuntu, Debian, CentOS, Arch Linux, and openSUSE.
> Bash scripts have been around since the humble beginnings of Linux. But what are they and how do you create your first one? Find the answers to those questions here.
> The security of Linux servers is of paramount importance in today's digital environment where cyber threats are constantly evolving. One such critical vulnerability requiring immediate action is the PwnKit vulnerability, identified as CVE-2021-4034.
> Let's examine the nature of this vulnerability, its potential impact on Linux servers, and most importantly, ways to effectively patch and secure your Linux server against this threat.
> It’s important to keep your system packages up-to-date because you can quickly upgrade your PC’s software and enjoy all the latest features and fixes. If you’ve encountered an error like “hash sum mismatch” on Linux, this routine task can quickly become frustrating.
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