Jacob Kaplan-Moss

21 items tagged “sysadmin”

📌 The USE Method #
📌 paperplanes. The Virtues of Monitoring

Monitoring, like testing, is something you can never have too much of. #

📌 IP Failover - Setup and Installing Heartbeat - The Rackspace Cloud -- Cloud Servers Knowledge Base

A good explanation of setting up simple IP failover with Heartbeat and HAproxy. #

📌 mxcl's homebrew at masterbrew - GitHub

Looks like a perfect middle ground between the Scylla of MacPorts/Fink and the Charybdis of building everything by hand. Next OSX box I set up is going to use homebrew. #

📌 Feeding the Cloud: Finding the size of a Postgres database on disk

We were just discussing the easiest way to do this at LPDN last night. #

📌 Sysadmin horror stories

Some really awesome stuff in here. #

📌 Steve.org.uk - asql - Apache SQL querying

Read Apache logs into a sqlite database. #

📌 etckeeper

“etckeeper is a collection of tools to let /etc be stored in a git, mercurial, or bzr repository.” Neat. #

📌 mikas blog » Blog Archive » Maintain /etc with mercurial on Debian

I’ve done this with svn in the past, but it’s a major pain (svn’s lack addremove means you’ve got to do it by hand). This looks like a *much* better way. #

📌 Help me Roberto, my web server just got hacked! - Someone Else

With skill and luck neither you nor I will need these tips. However, shit happens; this is a great guide to cleaning it up. #

📌 Links » Configuring Apache httpd

Ben Lauire shows how to build a minimal httpd.conf from scratch. Like him, I’ve always hated the bloated default conf files shipped with most distros; it’s good to have a “voice of authority” back me up. #

📌 pam_recent: an add-on to make iptables' recent match more useful

“If the client manages to login, his history is cleared and subsequent new connections are not blocked. Password guessers, however, would not manage to prove their legitimacy... they’re all treated as scum unless they can prove to be Good People.” #

📌 ack -- a grep replacement that ignores .svn/CVS/blib directories, understands file types, uses Perl regexes, and much more

Whoa, this is *so* much better than grep it’s not even funny. #

📌 Wikipedia: Site internals, configuration, code examples and management issues (PDF)

Loads of information about the tech behind Wikipedia. I’ve become convinced that the only sane way to design scalable systems is by studying the trials and tribulations of others. #

📌 HAProxy - The Reliable, High Performance TCP/HTTP Load Balancer

Another load balancer; heard good things about this one. #

📌 Peter Van Dijck’s Guide to Ease » Blog Archive » The top 10 presentations on scaling websites: twitter, Flickr, Bloglines, Vox and more.

A *great* roundup of ten presentations on scaling: Twitter, Flickr, LiveJournal, Vox, Bloglines, last.fm, and SlideShare. #

📌 Ganglia Monitoring System

“Ganglia is a scalable distributed monitoring system for high-performance computing systems such as clusters and Grids.” #

📌 ZFS at OpenSolaris.org #
📌 ksar : a sar grapher (Main)

Pretty nice Java-based sar grapher. The “load data via SSH” option makes this priceless. #

📌 The Nagios Book #
📌 The case of the 500-mile email

I don’t know why this isn’t already in my delicious links. It’s perhaps the funniest bit of geek humor ever. #