I’ve been using a Samsung ARM Chromebook (1st generation) as my daily driver for the past 4 years. It’s a lowend, underpowered machine with nothing to write home about, but it can support a full Arch Linux ARM installation, run a web browser just fine, and have an adequate number of terminals. I love it. The battery life hasn’t changed at all since I bought it, it’s still consistently getting >7 hours. I have other friends with ARM laptops from other manufacturers, the battery life story is one I hear consistently.
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dz, I wrote up a blog post about this: http://blog.jamesluck.com/installing-real-linux-on-arm-chromebook I completely replaced ChromeOS with Archlinux ARM on the internal SSD. The gist of the process is that you make a live USB, boot to that, and then follow the same procedure for making the bootable USB onto the SSD. You just have to untar the root filesystem, edit /etc/fstab, and correct the networking config!
If it’s anything like my Samsung ARM Chromebook, you can boot a different os off external storage (i.e. an SD card), or possibly replace Chrome OS on the internal solid-state storage.
You can replace ChromeOS. Here’s the Arch wiki on the 1st gen Samsung ARM Chromebook and the Samsung Chromebook Plus.
Another happy jrnl.sh user here. It’s so useful for quickly capturing things that are on your mind, especially because the history editing features are well done.