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this post was submitted on 04 Jun 2024
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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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Yes. You can use
lvresizeto reduce the size of your logical volumes.You first need to shrink the filesystems using e.g.
resize2fs(exact command depends on filesystem). See the manpage for details, but for shrinking the filesystem it needs to be unmounted, so you'll need to do this from a live usb or something.After that you can use
lvresizeto resize the logical volumes. Pro tip: You can shrink the filesystem to e.g. 20 GiB, but shrink the partition to 30 GiB, just to make sure you're not cutting off the filesystem due to some slight error or inexactness, and then afterwards runresize2fsagain to resize the filesystem back to fill the whole partition, which it does by default if you don't specify any size.Also note, since you have LVM-on-LUKS, when you boot into a live cd, you will need to first use
cryptsetupto decrypt your partition, and then runvgscanto make lvm find the unecrypted partition.