Archive for the 'sysadmin' Category

a system administration parable: the waitress and the water glass [PDF]

Monday, January 9th, 2012

“I P R E S E N T T O Y O U , D E A R R E A D E R , T H I S parable about how the different ways we organize our work result in different levels of customer satisfaction.”, by T H O M A S A . L I M O N C E L L I

reddit/reddit – GitHub

Monday, December 5th, 2011

Configuration of Reddit website as GitHub repo.

» HOWTO monitor Tomcat with monit and munin in Debian

Sunday, October 23rd, 2011

The subject. Monit is only used for monitoring basic service availability and standard system metrics. Munin is used to monitor tomcat internal parameters collected from tomcat manager via munin plugin

SSL termination: stunnel, nginx & stud | Vincent Bernat

Sunday, September 25th, 2011

Interesting test results comparing and analyzing SSL performance. Using right combination of software and proper tunning, you can get up to 14000 TPS (re-shake every 80 requests) on HP DL 380 G7, with two Xeon L5630 (running at 2.13GHz for a total of…

Hacker News | Notes from KDE project admins about changes in the projec’s infrastructure

Sunday, September 25th, 2011

Also see http://lists.kde.org/?l=kde-scm-interest&m=1276129572… Especially the attachment linked from that page.

Wikipedia site configuration files repository [ - operations/puppet.git/tree - files/ ]

Wednesday, September 21st, 2011

Wikipedia site configuration files repository [ - operations/puppet.git/tree - files/ ]

Wednesday, September 21st, 2011

All sysadmins: take a note: Wikipedia opened access to it’s site configuration management: a git repository with config files for various system software

HAProxy – The Reliable, High Performance TCP/HTTP Load Balancer

Friday, May 6th, 2011

HA Proxy [synthetic] benchmarks on 10Gbit traffic. Linux network stack is the bottle neck here, not HAProxy, i.e. you can 10G line rate on big frames and few connections.

HAProxy – The Reliable, High Performance TCP/HTTP Load Balancer

Friday, May 6th, 2011

OTN Discussion Forums : SQL*Plus 10.2.0.1.0 does not work on … | times(NULL) = loop

Friday, May 6th, 2011

It appears to be an interesting bug in some versions of Oracle 10g, on Linux 2.6.x oracle process goes in loop doing times() system call if machine uptime < 199 days. Nice!!! / Oracle refs are bug 4612267 and 5867987 ) . The solution is to reboot.