this post was submitted on 27 Apr 2026
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Linux
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From Wikipedia, the free encyclopedia
Linux is a family of open source Unix-like operating systems based on the Linux kernel, an operating system kernel first released on September 17, 1991 by Linus Torvalds. Linux is typically packaged in a Linux distribution (or distro for short).
Distributions include the Linux kernel and supporting system software and libraries, many of which are provided by the GNU Project. Many Linux distributions use the word "Linux" in their name, but the Free Software Foundation uses the name GNU/Linux to emphasize the importance of GNU software, causing some controversy.
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Honestly if you're at the point of suspecting that your Linux system is infected, just back everything up, wipe, and reinstall. Make sure to use a known good computer to make the install disk, and completely wipe the drive before install and not use existing partitions.
People have mentioned Wireshark which you can use to monitor for suspicious network activity, but IMO for most people this isn't super helpful because it's hard to tell what's suspicious and what's normal from Wireshark alone without quite a bit of networking/software knowledge. Maybe there's more user friendly packet capture software though, something that can string the packets together into their respective connections and summarise key information like the protocol and domain involved.
QDirStat can visualize the contents of your drive as an interactive map. Might be helpful for finding files that aren't supposed to be there.
ClamAV is an open source antivirus available for Linux but I don't know how well it does at actually detecting Linux malware. Seems to be more for people running file/email servers to scan incoming file uploads.