How to Install Nagios

Nagios is a popular open source network monitoring application. It’s mainly used to monitor services On the server. Steps to configure nagios on Linux Machine:- For Configuring Nagios, download nagios core and nagios plugins from nagios.org site. Initially create users and groups. #useradd nagios # passwd nagios #groupadd nagcmd #usermod

How is Linux Licensed?

Linux is a popular operating system that is widely used by developers, programmers, and enthusiasts. Linux is not a single product, but rather a collection of software components that work together to provide a functional and customizable system. One of the most important components of Linux is the kernel, which

“Cannot connect to the database” errors

Here are a few initial things (common mistakes) to take a look at: – Make sure that after you created your database and database user that you didn’t forget to ADD the database user to the database (at the bottom of the “Databases” section in Control Panel > MySQL Manager

Install Fantastico on cpanel server

Install Fantastico on Linux cpanel server Before installing Fantastico you must replace the buggy version of wget that ships with your OS or Fantastico will not install. After you fix this you can continue with the installation process: If you have Fedora Core 5/6 or CentOS 5 or Red Hat

Apache status is not showing up in WHM.

Solution This is usually due to the server-status directive being commented out. 1. Back up your current httpd.conf root@cpanel [~]# cd /usr/local/apache/conf root@cpanel [/usr/local/apache/conf]# cp httpd.conf httpd.conf.save.`date +%s` root@cpanel [/usr/local/apache/conf]# ls -la httpd.conf* -rw——- 1 root root 45279 Oct 28 18:44 httpd.conf -rw——- 1 root root 45279 Nov 10 01:27

Apache is not starting after update on FreeBSD ?

An issue with php/apache is causing apache not to start in FreeBSD. It segfaults and core dumps, logged in the /var/log/httpd/error_log. Try removing –with-openssl from your configure.php file and recompile php. cd /usr/local/directadmin/customapache vi configure.php #remove –with-openssl from the file, save, exit. ./build clean ./build php n Possibly a mod_perl

How do I create an auto responder?

1. Click New E-mail on the maildomain Controls page or existing mailbox settings. 2. If you chose New E-mail, enter the auto responder name in the Email address field. 3. Check Catch All to reply with this message if mail arrives at a nonexistent address on this mail domain. If

How do I update my system with yum?

Use the update option to upgrade all of your Fedora system software to the latest version with one operation. To perform a full system update, type this command: su -c ‘yum update’ At the prompt, enter the root password. If you want to automatically update your system The yum package

How do I perform tuning with sysctl?

sysctl is an interface that allows you to make changes to a running FreeBSD system. This includes many advanced options of the TCP/IP stack and virtual memory system that can dramatically improve performance for an experienced system administrator. Over five hundred system variables can be read and set using sysctl.

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