Coming Underground

Category: Gentoo

Don't emulate HPET with KVM

Permalink 2010-07-02 20:42, by jaervosz, Categories: General, Gentoo Tips, Gentoo, Universe/English, Opensource , Tags: gentoo, ksm, kvm, server, time
For quite some time I've experienced quite high CPU load on my KVM server with an AMD Athlon X2 BE-2400 CPU. All KVM instances used 10-15% CPU time more or less constantly. Idle load was around the 1.5-3 range (reaching over 160 with dynticks).I've t… more »
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OpenWRT 10.03 Backfire

Permalink 2010-06-10 11:38, by jaervosz, Categories: General, Gentoo, Universe/English, Opensource , Tags: openwrt
Today I upgraded my three old Linksys WRT54G 2.2 WIFI APs to the latest OpenWRT release 10.03 codenamed Backfire, previously I was running Kamikaze 8.09. The upgrades went almost perfectly smooth (the 2.6 kernel using the b43 driver apparently still doen… more »
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Gentoo KDE 4.4 upgrade a day after

Permalink 2010-02-13 09:00, by jaervosz, Categories: General, Gentoo, Universe/English, Opensource , Tags: gentoo, kde4
Blockers, blockers blockers. All KDE 4.3.5 packages blocked the new 4.4 ebuilds. Some propose to remove 4.3 KDE entries from world and world_sets but it was not there. So I ended up creating a binary buildhost to minimize downtime for my laptop. Also wit… more »
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Glusterfs on Gentoo setup notes

Permalink 2010-01-05 21:08, by jaervosz, Categories: Gentoo Tips, Gentoo, Universe/English
For a long time I've been sharing the Portage tree over NFS to my virtual servers. However NFS is not exactly firewall friendly and feels a bit dated. So I've been looking for other alternatives. Today I stumbled across GlusterFS and took it for a spin.… more »
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Recent udev and legacy Xen on Gentoo

Permalink 2009-12-15 15:35, by jaervosz, Categories: General, Gentoo Tips, Gentoo, Universe/English
I just managed to reboot one of the Xen servers I still admin, just by creating another domain:-/Running with old versions of xen-sources results in problems as seen above and with newer udev versions. For reference to those who havne't yet migrated… more »
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