Self Hosting Fedora Base

If you want to bootstrap a distribution or want to rebuild it from the sources (SRPMS) to get the same binaries (think CentOS), you have to build the build tools and rebuild them with the built build tools, which have to be built with other build tools… My goal for a self-hosting Fedora Base is […]


Linux: HOWTO get the number of CPUs

$ getconf _NPROCESSORS_ONLN returns the number of CPUs online Internally it is parsing /sys/devices/system/cpu/online, which can have the contents: 0-3,5,7-9. Better let getconf do all the counting for you. This is very useful, if you want to optimize the number of threads.


Fedora Boot Optimization 2

This article shows how to reduce boot time for Fedora 17, but the recipe can also be applied to 18, 19 and 20. The target is to get a fast booting system with NetworkManager running and gdm displaying the login screen as fast as possible. The system I use here is a Lenovo T420s (2x2x […]


feather

Redirecting apache access_log and error_log to the systemd journal

To redirect all apache messages to syslog, which will then appear in the systemd journal modify your httpd.conf: CustomLog “|/bin/logger -t access_log -p user.info” “%v %h %l %u %t \”%r\” %>s %b \”%{Referer}i\” \”%{User-agent}i\”" ErrorLog syslog:user Of course it would be much nicer, if apache actually could use the journal directly.


dracut – kernel command line

To quickly find out, what dracut wants as the kernel command for your current disk setup, fire up: # dracut –print-cmdline It will output something like: root=UUID=8b8b6f91-95c7-4da2-831b-171e12179081 rootflags=rw,relatime,discard,data=ordered rootfstype=ext4 This works for version 032 and newer.

dracut