Latest version of Nconf is available. This post will cover howto upgrade your existing installation of 1.2.6 to 1.3.0 download nconf from Extract package cd /tmp tar zxvf nconf-1.3.0-0.tgz Copy new files over older version cd /var/www/html/nconf cp -frva /tmp/nconf/* /var/www/html/nconf/ chown apache: /var/www/html/nconf -R Upgrade db cd /var/www/html/nconf/UPDATE/1.2.6_to_1.3.0 mysql -u nconf -p nconf < [...]
Full Story »Improve Nagios Performance -using RAMDISK
If you are using Nagios to monitor few hundred hosts / services. You may notice increasing disk IO. To keep nagios running as fresh installed, you can use ramdisk / tmpfs for files created during checks. Run following commands once. mkdir /var/ramdrive rm -rf /usr/local/nagios/var/spool/checkresults/ Change location for check results</strong> Enter followings in /etc/rc.local <code>mke2fs [...]
Full Story »Nagios guest access
Once you are through installing nagios and have it running to monitor all your network / servers, you might wish to delegate monitoring to another user OR wish to have guest user. This is what this post is about. Enable guest user. Add guest user htpasswd /usr/local/nagios/etc/htpasswd.users guest Enable guest user for Nagios vi /usr/local/nagios/etc/cgi.cfg [...]
Full Story »Install & Configure NagVis
NagVis is a visualization addon for the well known network managment system Nagios Key features Display of single Hosts and Services Visualize a complete Host- or Servicegroup with one icon Display the summary state of a Host and all its services Display only the real problems Sub-map icons which represent a complete NagVis Map in [...]
Full Story »Nagios -Monitor APC UPS
I am using Nagios for all kind of monitoring purpose. Using check_snmp you can monitor any snmp enabled device. Hence this plugin becomes very useful for monitoring devices like UPS / Routers. Following is the sample output of below mentioned OIDs using check_snmp. OID Value .1.3.6.1.4.1.318.1.1.1.2.1.1.0 Main Battery Status .1.3.6.1.4.1.318.1.1.10.2.3.2.1.4.1 Environment Temperature in degree celsius [...]
Full Story »Install RRDTOOL using yum on CentOS.
RRDTOOL is required by many network utilities, e.g cacti, nagios & many others to plot graphs. By default rrdtool is not included in CentOS. You may need to install it for monitoring purpose. You can either use source to compile or install using rpm. To install using rpm all you need is following two commands. [...]
Full Story »Monitor your Blog / Web
We all have utilities like Nagios & Nconf when it comes to monitor data center. But what about your own site / blog. Many professional blogger do monitor their blogs to improve performance. Parttime blogger like me hardly bother. I use my office nagios to monitor by My Blog to keep eye on downtime. But [...]
Full Story »Upgrade Nconf 1.2.5 to 1.2.6
Earlier we have covered Nconf Installation, here you’ll find upgrade process. download nconf from http://www.nconf.org/ Backup nconf db mysqldump nconf > nconf.sql Extract nconf-1.2.6 cd /tmp tar zxvf /root/nconf-1.2.6-0.tgz Copy new nconf files (before proceeding keep backup of existing nconf directory) cd /var/www/html/nconf cp -rfva /tmp/nconf/* . chown apache: * Upgrade db cd /var/www/html/nconf/UPDATE/1.2.5_to_1.2.6 mysql [...]
Full Story »Squid Realtime Logs -Sqstat
I am using Linux as Internet Gateway. Using Squid I have controlled Internet access for all my users. I prefer to use Sarg for for daily bases reporting. For Realtime monitoring tail is preferable but if you want to delegate proxy monitoring to Windows Admin Sqstat is best. SqStat is a script which allows to [...]
Full Story »