Converting to a ZFS rootfs

My main desktop/server machine (running Debian sid) at home has been running XFS on mdadm raid-1 on a pair of SSDs for the last few years. A few days ago, one of the SSDs died. I’ve been planning to switch to ZFS as the root filesystem for a while now, so instead of just replacing the failed drive, I took the opportunity to convert it. NOTE: at this point in time, ZFS On Linux does NOT support TRIM for either …

Frankenwheezy! Keeping wheezy alive on a container host running libc6 2.24

It’s Alive! The day before yesterday (at Infoxchange, a non-profit whose mission is “Technology for Social Justice”, where I do a few days/week of volunteer systems & dev work), I had to build a docker container based on an ancient wheezy image. It built fine, and I got on with working with it. Yesterday, I tried to get it built on my docker machine here at home so I could keep working on it, but the damn thing just wouldn’t …

fstrim and XFS

Does anyone use fstrim on an XFS formatted SSD partition? I’ve got two systems with XFS root partitions that fstrim seems to do (almost) nothing on, but it seems to work correctly on another system with formatted with ext4.

How to set the application icon for chromium

This has been a minor annoyance for the last few months, and I've finally figured out how to fix it: Sometime within the last few months, an upgrade prevented Chromium from finding its application icon…with the result that when minimised (or displayed in the panel window list or Alt-Tab) it used the default application icon. It looks to me as if the problem is that Chromium is now looking for chromium-browser.svg but chromium.svg is what's on my debian system. To …