Configure YUM repository using DVD or CD ROM CentOS / RHEL

YUM is the package management tool that helps to install or update the package through the network or local, the same time it provides an easy method to install a package with its dependent packages. Configuration files are under /etc directory, /etc/yum.conf is the mail global file that contains the global options such as cache […]

Configure YUM Repository On Linux

YUM is the Linux package manager that is able to fetch the information about the available package, download the package,install,uninstall and update the package. It also help us to update the system when the update is available. YUM is very similar to the rpm command, it is more smarter than rpm because it does the automatic installation of dependent package required by the installation package. YUM […]

Monitor Windows Servers 2003 / 2008 using Nagios Server

Nagios server provides ability to monitor the windows box using the NSClient++ agent on it, you can able to monitor the attributes like Memory usage,CPU load,Disk usage,Service states,Running processes, etc.Without the agent you can not monitor any attributes, it acts as a proxy between Nagios plugin which actually does the monitoring and attributes of the machine. Nagios server does […]

How To Monitor Remote Linux Systems With Nagios Monitoring Tool

In the last article, we discussed the installation of Nagios server on CentOS 8, CentOS 7, Ubuntu 18.04 / 16.04, and Debian10 / 9. Here, in this post, we will add Linux host to the Nagios monitoring tool using the NRPE plugin. I’m assuming that you have a working Nagios setup, if not, use any […]

Nagios Trouble Shooting Tutorial

While compiling Nagios plugins, you may get an error regarding the SSL version; it requires to install the OpenSSL on the Linux box. ========================== check_http.c:312:9: error: ‘ssl_version’ undeclared (first use in this function) …. make[2]: *** [check_http.o] Error 1 make[2]: Leaving directory `/usr/local/src/nagios-plugins-1.4.16/plugins’ make[1]: *** [all-recursive] Error 1 make[1]: Leaving directory `/usr/local/src/nagios-plugins-1.4.16′ make: *** [all] Error […]