Posted in Linux Comm, Monitoring Tools, Opensource on January 7, 2009 | Leave a Comment »
OpenIPMI is an effort to create a full-function IPMI system to allow full access to all IPMI information on a server and to abstract it to a level that will make it easy to use.
The Open IPMI Linux device driver is designed as a full-function IPMI device driver with the following features:
Allows multiple users.
Allows multiple [...]
Posted in GNU/Linux, Monitoring Tools on August 8, 2008 | Leave a Comment »
Just happened on couple of SLES 9 servers after installing the followings
the server just came back with postfix plugin.
perl-Net-Server-0.87-29.4.i586.rpmmunin-node-1.2.4-1.sles9.rpm
But by default munin plugins are
cpu entropy forks if_eth0 iostat memory mysql_slowqueries open_files processes df exim_mailqueue
if_err_eth0 if_eth1 irqstats mysql_bytes mysql_threads open_inodes
swap df_inode exim_mailstats if_err_eth1 interrupts load mysql_queries
netstat postfix_mailvolume vmstat
Then I manually did symbolic links from [...]
Posted in Monitoring Tools, Solaris on January 7, 2008 | Leave a Comment »
Ethereal (or the new July 2006 name of Wireshark) is a much easier tool for use than tcpdump (or snoop). However, the GUI tool need to be installed to the machine you run on. It is typically easiest to run tcpdump to capture to a file, then open it with the GUI ethereal running on [...]
Posted in Monitoring Tools, Solaris on January 7, 2008 | Leave a Comment »
snoop host [IP] # traffic with a given host (as src or dst)
snoop -r port 25 # all traffic in port 25 (smtp),
# do not resolve ip to dns names
-s = sniplet length (def is whole packet)
= 80 ip hdr only, 120 = nfs header only
-V = layer info
-v = more [...]
Posted in Monitoring Tools on January 7, 2008 | Leave a Comment »
Tool to collect performance stat, very similar in HP-UX, Sun, AIX…
Also check out kSar ( http://ksar.atomique.net/) and sar2rrd ( http://www.trickytools.com/php/sar2rrd.php )
Basic SAR Setup (from HP-UX sys admin handbook and tooltips, p503):
sar -o /tmp/sar.data 60 300 # run sar every 60 sec for 300 count,
-o store info in file (bin)
sar -u -f /var/adm/sa/saXX [...]
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