2026-09-09 Notes
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I’m playing with omarchy on an old laptop and decided I want to share it with my kids without sharing what I also set up as my sudo password.
Lsblk -f
Look for the one labeled crypto_LUKS
Sudo cryptsetup luksChangeKey /dev/nvme0n1p2
Then you will be asked for your sudo password, previous full disk encryption password, then the new one twice.
Now my laptop can be shared without sharing my private sudo password.
First Find your usb disk. You should be able to identify it by size and name using lsblk.
lsblk -o NAME,SIZE,MODEL,TRAN,RM,MOUNTPOINTS
Here I see my good ol Trans-It Drive. It’s not fancy, it wasnt even at the time it was new, but I have it and it works. next we run the disk destroyer dd to copy raw bytes right on to the drive.
Warning
This is a full reformat of the drive, nothing on the drive will be recoverable afterwards. I keep this drive around as a boot disk and it just changes distro occasionally.
sudo dd if=~/Downloads/omarchy-4.0.1.iso of=/dev/sdb bs=4M status=progress conv=fsync
Note
Don’t forget the bs, the default block size is so slow it will take an eternity to copy a linux iso on to a boot drive.
I wanted to give omarchy quatro a try, here is the session to get it.
~ NO PYTHON VENV SET USING SYSTEM NVIM
❯ lsblk -o NAME,SIZE,MODEL,TRAN,RM,MOUNTPOINTS
NAME SIZE MODEL TRAN RM MOUNTPOINTS
sda 119.2G SAMSUNG MZNLN128HAHQ-000H1 sata 0
├─sda1 1G 0
└─sda2 118.2G 0
sdb 7.6G Trans-It Drive usb 1
├─sdb1 5.8G 1
└─sdb2 23M 1
zram0 93.9G 0 [SWAP]
nvme0n1 931.5G Samsung SSD 980 1TB nvme 0
├─nvme0n1p1 1G nvme 0 /boot
└─nvme0n1p2 930.5G nvme 0 /var/log
/var/cache/pacman/pkg
/home
/
~ NO PYTHON VENV SET USING SYSTEM NVIM
❯ sudo dd if=~/Downloads/omarchy-4.0.1.iso of=/dev/sdb bs=4M status=progress conv=fsync
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