this post was submitted on 28 Sep 2024
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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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I’d use clonezilla
E: It’s not that it can’t be done other ways, it’s just clonezilla will work and has worked for nearly 2 decades. Also there’s no information provided above about the data. So clonezilla is nice if it’s a complicated scenario.
Plus, it’s a nice tool to throw in the toolbox once you know how to use it.
E. Why do you feel like you have to use something like dd for this particular task? Less than 16 GB of data? Ya probably could have copied it over manually by now.
It's not an active partition/disk I want to clone. Clonezilla seems like something I need to boot into?
Use a clonezilla boot usb. I did exactly what you're trying with clonezilla: 16gb partition on a 128gb ssd to a 64gb ssd. The clone disk is in a production machine rn and has been for two months.
You can run clonezilla on your shell session, just apt install conezilla (or whatever variant you're using) and it can do the trick. Dd will almost surely work too, but that leaves a ton of responsibility to you instead of making any sanity checks on the way. That makes dd very powerful tool and it has saved my ass a multiple times, but if you already have a working partitioning schema clonezilla has a ton of options to make your life a lot simpler and a likely a bit faster than dd.
Yes, Clonezilla runs off a live USB. If it is large enough it can also store the partition you want to clone, making the whole process a lot simpler.