Posts categorized under: linux

Debian: Installing docker broke my bridge interface!

These are partly notes for myself, but I'll publish it in case it helps someone.

After installing Docker, I could no longer reach my VMs from outside the VM host (where I also wanted to run Docker).

My network configuration looks something like this:

...
2: enp3s0: <BROADCAST,MULTICAST,UP,LOWER_UP …

Read-only root filesystem on a Debian Buster system

First, a little background

I was hoping to set up a read-only SD card with a ram-based filesystem on a Raspberry Pi. They're kind of notorious for becoming unbootable, and understandably so, after the power's been pulled a few times. I decided to play around on a Debian 10 VM …

Debugging initramfs-tools scripts on Debian

I was having a hard time trying to wrap my head around how initramfs-tools works. Basically, this is the infrastructure that a Debian system typically uses to generate the initramfs, the inital in-memory, read-only filesystem used while the Linux kernel is booting (after the bootloader, but before most of the …