I’m working on a project that calls for a Linux LiveCD, so it can be booted off of a CD-ROM or USB drive, and not require any sort of permanent install to run. You’ve probably seen this in things like Ubuntu’s LiveCD where you can try the latest version without having to install it, or… Read more »
Posts Categorized: geek
HOWTO use ionice to control long running jobs
If you have a long running process (rsync, cp, find updatedb, etc) that causes a high load on your Linux system, it’s likely going to cause a problem (and unneeded Nagios alerts!) when it’s run via cron. This was happening on a server of mine that backed up the Apache Solr indexes every night, so… Read more »
HOWTO run Apache Solr replication with multi-core indexes
After having an Apache Solr search server running across multicores (that’s multiple “search” cores, it has nothing to do with multicore processors) we need to expand it by using replication for backups, as well as eventual load balancing for performance reasons. The 8 cores’ indexes are currently about 18Gig, so it’s no small undertaking to… Read more »
DEF CON 20 CFP
The DEF CON© CFP (Call for Papers) is open now until May 28, 2012, so this year instead of writing up my CFP proposal on a wiki like I did last year, I’m just going to do it here and update it as I go until I submit it. This idea was presented to me by… Read more »
HOWTO run a secure, caching DNS server in chroot
I want to run my own DNS server, while I’ve done this before it was always a one off that I never spent much time researching or implementing it as well, and securely, as I wanted. When I tried out DNSCrypt from the OpenDNS folks, I emailed them and asked if it was available to… Read more »
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