Stuff…

This is a test post

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Thought that this was interesting.  Power cut and fault information.
URL:

Central Networks – Power cut information map

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Got an Ubuntu 8.04 (3) system running kernel 2.6.24-24-server which keeps crashing at random intervals.  It can go hours and hours without a crash (even days in some cases) and then other cases it can crash within minutes.  Seeing the following kernel panic (minus some detail):
Seeing:
Call Trace:
add_timer_randomness
scsi_end_request
scsi_io_completion
blk_done_softirq
_do_softirq
irq_exist
do_IRQ
sys_gettimeofday
common_interrupt
out_of_line_wait_on_bit
Code: 0d 89 4c 24 10 01 ce 89 [...]

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There was a server running at 300 load average with about 10 authpsa processes and 300 odd relaylock processes.  Turns out that it’s a bug in Plesk 9.2.1 for linux and the only resolution at the moment is to disable pop before relay.
KB article here:

High CPU load on Parallels Plesk Panel server after upgrade to [...]

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OS: Ubuntu 6.06
Cacti 0.8.7e
Plesk 9
Setting up cacti went fine until trying to run the poller:
# sudo -u cacti /opt/psa/bin/php-cli /var/www/vhosts/hostname/httpdocs/poller.php
sh: /php-cli: No such file or directory
sh: /php-cli: No such file or directory
sh: /rrdtool: No such file or directory
Had to modify the php.ini (/etc/php5/cli/php.ini) for the php-cli binary:
;safe_mode = On
safe_mode = Off
The cacti poller did not [...]

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