CPUs and Debian Package BuildingCPUs and Debian Package Building
Introduction I have just bought a HP Z4 G4 with W-2125 CPU for $320 and I decided it was a good time to do some benchmarks on Debian package building[...]
Links May 2026Links May 2026
Ron Garrett wrote an interesting blog post about the mathematical possibility of abiogenesis [1]. Cory Doctorow wrote an interesting blog post about the way the current antics of right wing[...]
ZswapZswap
Zswap vs Zram Last year I blogged about using Zram for VMs [1]. That setup is still working well for VMs and for phones and laptops with no swap device.[...]
Debian SE Linux and PinTheftDebian SE Linux and PinTheft
We have a new Linux exploit called PinTheft [1]. I did some tests of it with Debian kernel 6.12.74+deb13+1-amd64. user_t When I run the exploit as user_t I see the[...]
Debian SE Linux and ssh-keysign-pwnDebian SE Linux and ssh-keysign-pwn
I just tested out the ssh-keysign-pwn exploit [1] on Debian kernel 6.12.74+deb13+1-amd64 which was released before these exploits. When sshkeysign_pwn is run as user_t the following is logged in the[...]
Packaging Amazfish for DebianPackaging Amazfish for Debian
I have done some packaging work on Amazfish (the smart-watch software that works with the PineTime among others) for Debian. Here is my Git repository for libnemodbus (a dependency for[...]
Bad Criticism of LLMs (not AI)Bad Criticism of LLMs (not AI)
Discussion of “AI” systems seems to be dominated by fears of uncommon and unlikely threats. I think that we should be focusing more on real issues with LLMs and with[...]
Systemd, Mobile Linux, and ContainersSystemd, Mobile Linux, and Containers
I’ve had some problems running apps I want on my Furilabs FLX1s [1], so I decided to install some container environments to test various versions. I started with Debian/Testing so[...]
Dirty Frag on Debian and SE LinuxDirty Frag on Debian and SE Linux
Hot on the heels of the Copy Fail vulnerability [1] there is a new vulnerability Dirty Frag [2] (I linked to the Alma Linux page because it’s the first one[...]
Tower Servers and Resizable BARTower Servers and Resizable BAR
A feature on modern PCIe implementations is “Resizable BAR” AKA “REBAR”. This basically means that instead of allocating 256MB of address space for a PCIe device to have it’s memory[...]