Recently I had some folks watching my shared screen and they were constantly saying "oh, that was cool, I didn't know you could do that in the shell". Here's some shell tricks I showed them.
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Many wonderful people have contributed to the Linux kernel. But one particular codebase has a dark past, and is scheduled to be removed in 2025.
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LowEndTalk user htop setup a honeypot to trap ssh passwords. Watch skiddies in real time!
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14 years ago, Fedora had a cool idea: why send an entire RPM when the client only needs a delta from the RPM it already has? Why not just send them deltas? Alas, this idea didn't quite work out.
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Who needs an app or a smart watch or even a thermometer when you've got command-line tools to give you full details about the weather in any major city of the world!
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In this tutorial, learn how to make your cron-driven shell scripts easier to manage by using a mother script. We'll show you how you'll never have to think about cleaning up temp files again!
Read MoreAs of today, PHP 7.4 is end of life, which means the PHP 7 version is now officially retired. Some distributions will backport security patches, but really, it's time to move on.
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No really. That's technical terminology.
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Today I had a need to process large numbers of PostgreSQL database tables and report how many rows were in each. Once I had that information, I needed to do some additional math on this data and then...
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A while back, we alerted you to a thread on LowEndTalk where community member - and now moderator! - @Arkas shared free courses from Udemy. That thread was started in September and the community is st...
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According to the change log, OpenSSH 9.0 suffered a "near miss" - a potential vulnerability that was found and fixed before anyone could attempt to exploit it: "Near miss in sshd(8): fix an integer ov...
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A ramdisk - or if you prefer, RAMdisk - is a method of taking a section of memory and treating it as disk. If you think about it for a moment, the pros/cons should be obvious: RAM is much faster than...
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Ok...just kidding. There are no benchmark wars. But if you're into benchmarking, you should check out LowEndTalk member @Liso's fork of the famous YABS script, which is getting some discussion over t...
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In the course of my career, I've periodically come across code like this in shell scripts: TEMP_FILE=/tmp/tempfile Or sometimes, slightly more elegantly: TEMPFILE=/tmp/tempfile.$$ The problems with th...
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I've setup a home virtualization lab using ProxMox, which is a free and very powerful virtualization host. Prior to ProxMox, I tried: VmWare ESXi: No clones in the free version? See ya. XCP-ng: Got s...
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In the mid-70s, my father worked in the American automotive industry in Michigan, and I visited him at work as a small boy. He took me into the "computer room" (as they used to call datacenters) and...
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Do you have a home file server? Maybe because you want to serve media files to your TV/Roku/etc., share info among family members, backup your devices, etc. If so, what do you use? LowEnders are usu...
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A new vulnerability that affects many Linux systems has been revealed: Pwnkit. This attack uses a vulnerability in polkitd to allow any user to escalate his privileges to root. There are patches for...
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Now that (hopefully?) the CentOS Stream debacle and the subsequent rise of Alma and Rocky Linux is behind us, there's news from RedHat that RHEL 9 has gone beta. Is this the love child that will fina...
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If you've upgraded to a recent Linux version, you may have noticed a change in the output of your ls commands. Specifically, files that have spaces or other special characters in them are quoted. For...
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Would you like some awesome technical education for free? Who wouldn't! Well-known education provider Udemy periodically offers many of their courses for free and LowEndTalk has a thread dedicated to...
Read MoreIf you frequently setup new VPSes or re-initialize them, you may find yourself typing the same commands over and over. There are various technologies to alleviate these hassles and get your environmen...
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There are a number of ways you can restrict access to your VPS. Passwords (specifically, good passwords) is the most basic method. Restricting access to ssh keys only is better. You can use Google Aut...
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Periodically I've had auditors come to me and say "can you tell me what this user on this system did between such-and-such dates/times" and my answer is usually no. By default, Linux systems don't log...
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When IBM announced that they were changing CentOS and introducing "CentOS Stream," one minor detail was a sharply curtailed lifespan for CentOS 8, the final "Classic" version. IBM has announced that...
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Training powerhouse Udemy frequently releases free courses for limited time periods. Obviously, their hope is that you'll try out their instruction, like what you see, and then purchase additional cou...
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Galera is MariaDB's multi-master replication technology which makes it a snap to setup highly-available multi-node MariaDB clusters. In this tutorial we'll walk through setting up a cluster and also...
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Hostigger is now Hostiger and they're bringing some awesome offers: Get a 2GB KVM with 40GB of disk and 2TB of traffic for only $4.99/month! Take 30% off if you buy annually! Larger sizes available to...
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