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Author: halfgaar
Tracking Xen domU’s with munin
To view statistics of your xen server with Munin (source):
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Getting a better MySQL prompt
When you want to see which user you are and which database you're working with, put this in .my.cnf:
prompt=(\\u@\\h) [\\d]>\\_
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Sending yourself a test virus
I found this handy little site to send yourself a harmless test virus. Read More »
Installing a commercial SSL certificate in Zimbra
Edit: now in 2020, with Zimbra 8, and Startcom out of business, things have changed a bit. So, here are the steps now, for a Sectigo certificate (and referring to their directory structure):
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Installing Munin-node on a Debian or Ubuntu machine
If you want to gather statistics on a machine with a Munin server, install munin node:
aptitude -P install munin-node munin-plugins-extra
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Fixing locale message in Ubuntu when logging in or SCPing
I've encountered this error occasionally when loggin in:
-bash: warning: setlocale: LC_ALL: cannot change locale (nl_NL.UTF-8)
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Getting a Xen hvc0 on a stock Ubuntu
When you install Ubuntu in Xen with xen-create-image, the console is automatically handled. If you want to add a console to a stock-installed Ubuntu, add this file to /etc/init and call it hvc0.conf:
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Useful extra Nagios commands
Here are some useful extra nagios commands I often use:
define command{
command_name notify-host-by-sms
command_line /usr/local/sbin/send-sms.sh -n $CONTACTPAGER$ -m "$HOSTNAME$: $HOSTSTATE$"
}
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