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— Alan J. Perlis-
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Tag Archives: Linux
I want my UNIX groups back
The breakage of permissions under recent PolKit/logind is flabbergasting. They have completely subverted UNIX groups/permissions in a difficult-to-unbreak way. And I get cheerful little update messages saying things like “You no longer need to be in the camera group to … Continue reading
Linux Future
Some time ago I came across yet another angry discussion[1] about systemd, and have been reading and thinking a great deal about the design of Systemd, and what it says about Linux. I’ve come to realize that the strife in … Continue reading
Udisks2 and UNIX Philosophy
Apparently the udisks devs took it upon themselves to violate the FHS and moved the path for automounted media from /media/$DEVICE_NAME to /run/media/$USER/$DEVICE_NAME. This is a user-facing change that I can’t find primary documentation for with google, which means the … Continue reading
Another quick Linux aside/breadcrumb, I had some hand-written Udev rules start causing errors on my Arch boxes a while back, and just got around to fixing them. The basic problem is that the Udev rule syntax has changed, and statements … Continue reading
The previous post ended with “I have no idea why the nodes won’t boot.” Now we know. The problem is that, in terms of the mkchroot-rh script that Warewulf3 comes with, Fedora 16 is not a Redhat derivative. This makes … Continue reading
Warewulf, and the Kernel Documentation
Earlier, while trying to instrument a failing boot from some peculiar nodes we were trying to provision, I came across the following gem in the Linux kernel documentation, from Documentation/filesystems/ramfs-rootfs-initramfs.txt: Note: The cpio man page contains some bad advice that … Continue reading
Linux 3!
I just ran my first major-version-number Linux kernel upgrade, and nothing caught fire. The “no fire” is mostly thanks to the Arch maintainers, who held it until a clean upgrade path and driver compatibility was established, so props to them.
Window Manager Musings
A while ago I installed KDE 4.6 on one of my machines, just to see what the bulky extreme of desktops looked like these days. Mostly, it was obscenely bulky (KDE alone is, seriously, larger than the sum of the … Continue reading
Humble Indie Bundle #3
There is another Humble Indie Bundle name-your-own price/donate to charity sale going on. Like last time, the average Linux user is paying about twice what the average Mac user does, which is in turn about 1.5x what the average Windows … Continue reading
Cluster GPU Thermal Monitoring
The research group has been writing some simple monitoring scripts for handling the clusters. The focus is mostly on montitoring NAK (page in serious need of update), which has always had thermal irregularities with it’s GPUs. Some of the (poorly … Continue reading