Monthly Archives: March 2009

Kickstarting machines using GRUB

By cesar | Published: March 11, 2009

All of the machines in Rapleaf’s server environment are installed via PXE and Kickstart. At the moments this involves progrmatically changing the boot-order of the machine to boot of the network when the machine needs to be rebooted.  We do this via IPMI.  The new machines purchased for our new Hadoop cluster don’t have IPMI [...]

Posted in Grub, Hadoop, Kickstart | 3 Comments

bash-ful http response codes with Apache

By eric | Published: March 3, 2009

For our recent scheduled downtime we wanted to replace the entire web site with a maintenance page. That’s not so bad. The simplest solution is to use an AliasMatch directive to the apache config: AliasMatch .* /var/www/rapleaf/maintenance.html Unfortunately this was insufficient for us because we also wanted to make it a 503: Service Unavailable http [...]

Posted in Apache | 2 Comments

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