In this post we will learn about,how to install mysql server in RedHat and CentOS. MySQL is a relational database management system (RDBMS), and ships with no GUI tools to administer MySQL databases or manage data contained within the databases.Read More About MySQL Server Default Port Number of MySQL : 3306 (TCP) Install the MySQL … Read more
How to change smtp port number 25 in postfix Bydefault the SMTP protocol runs at port no. 25. You can change the port no. to any port no. other than below 2048. 0 to 2048 are IANA authorized known port no.but we have some other port no. also which are bydefault used by manyapplication for. … Read more
In this post we will read about curl command to check the http status. cURL is a computer software project providing a library and command-line tool for transferring data using various protocols. The cURL project produces two products, libcurl and cURL. libcurl is a free client-side URL transfer library, supporting FTP, FTPS, Gopher, HTTP, HTTPS, … Read more
Run the script using nohup without hitting enter key two times As we have seen when we run the command with ‘nohup’ and ‘&’ so that the command should run at background even the terminal get disconnected we have to press enter key 2 times. To overcome from this problem,use the below given method. Note: … Read more
In this tutorial we will learn How to install and configure nagios nrpe in CentOS and Red Hat. We will also do some configuration changes in nagios server so that we could monitor the servers. In this scenario we will add a server to monitor. Operating System : CentOS 6.3 Nagios Server : hostname: nagios-server … Read more
CHECK_NRPE: Error – Could not complete SSL handshake nagios The nrpe uses the port no. 5666 to communicate . The same port no. must be opened in nagios server as well as in nagios client. Usually we see the error “CHECK_NRPE: Error – Could not complete SSL handshake” .It is because nrpe works with ssl … Read more