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Here are some speed results for RAM according to Memtest86+ on some machines that I have run. Note that the reported speed varies between runs by a few percent. Thinkpad 600e PentiumII 400Mhz PC-66 RAM (2 DIMMs) 174MB/s Compaq P3-866MHz PC133 RAM (3 DIMMs, 2*128 + 256) 190MB/s Compaq Athlon 1GHz PC133 RAM (3 DIMMs) […] Politics Wikileaks/Assange supports Russia How to Talk to Science Deniers Pro-lifers really want misogyny A short summary of bad things that Trump did with full support from conservatives Fake news is almost entirely a right wing thing […] ETBE Mon is my fork of the traditional Unix system and network monitoring system “Mon” by Jim Trocki. My aim with this fork is to take the best patches available for the existing Mon codebase and the best “contrib” monitoring scripts and include them in one package. I also aim to write all scripts necessary […] Memlockd is a daemon that locks files into memory. Then if a machine starts paging heavily the chance of being able to login successfully is significantly increased. The default configuration will lock all the files needed for login to a Debian GNU/Linux system via the console or via ssh. memlockd_1.3.1.tar.xz – Debian packaging updates memlockd_1.3.tar.gz […] Here are some free short science-fiction stories that I enjoyed reading: Thoughts and Prayers by Ken Liu is an insightful story about trolling and the NRA types. Maneki Neko by Bruce Sterling is an interesting story about a networked gift economy, I’d like to join such a network! The Exterminator’s Want Ad by Bruce Sterling […] Here is a list of the Debian repositories I maintain. All my repositories support the amd64 architecture. Buster I’ve got a bunch of old Buster repositories. Apart from the SE Linux one I don’t think that any of them provide much benefit at this time. I’m not supporting Buster SE Linux nowadays except as a […] This training exercise is based on a Debian/Bullseye system running SE Linux in a default configuration in Enforcing mode. To set it up put the following in /usr/local/sbin/adaemon.sh and make it mode 0755: #!/bin/bash echo -100 > /proc/$$/oom_score_adj while true ; do /sbin/runuser -u nobody — /bin/nc -q0 -l -p 4000 < $0 /bin/sleep 1 [...] Basic MTA Configuration All instructions here are for Postfix. If you want to use a different MTA then you will mostly be working without instructions. To install Postfix run “apt install postfix” (or for the preconfigured images I setup reconfigure it by running “rm /etc/postfix/main.cf ; dpkg-reconfigure postfix“. Select “Internet Site” for the type of […] In 2015 I ran a training session on BTRFS and ZFS. Here are the notes for ZFS updated for the latest versions of everything when running on KVM. You can do all the same exercises on a non virtual machine, but it’s safest not to do this on a machine with important data. For the […] In 2015 I ran a training session on BTRFS and ZFS. Here are the notes for BTRFS updated for the latest versions of everything when running on KVM. You can do all the same exercises on a non virtual machine, but it’s safest not to do this on a machine with important data. For the […] |
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