MySQL is an open source RDBMS (Relational Database Management System) and its using the SQL Language(Structured Query Language). A database is a structured collection of data. SQL is the most commonly using language for database operations. By using SQL the…
commands
Bandwidth monitoring on linux server with iftop command
In some situations, BW monitoring is very needful for your server having high BW usage due to DNS spoofing or something like on it. IFTOP is a BW monitoring tool for your Unix/Linux server. We already covered the topic iftop…
How to show process usage for single user with TOP command
TOP command is used to display a dynamic view of all process running under the server. We already discussed about the TOP command and some of its examples. Click here for getting more details about Top command usages and examples…
reset mysql root password from command line Unix/linux
MySQL MySQL is a Relational Database Management System (RDBMS) that runs as a server providing multi-user access to a number of databases. Installation: [root@server ~]# yum install mysql-server mysql php-mysql [root@server ~]# rpm -qa|grep mysql php-mysql-5.1.6-40.el5_9 mysql-5.0.95-5.el5_9 mysql-server-5.0.95-5.el5_9 Steps to…
Exim command to find the mail that we have sent is completed or not(Unix/Linux)
Hey… here is a way to find the message we have sent is COMPLETED or NOT by using “exigrep”. Yep, it’s very useful in some cases, if the client wants to know the email from his account successfully completed or not…
How to change the mail server IP for a blacklisted server(cPanel) -Exim
How to change the mail server IP for sending emails, if your server ip address is blacklisted in TOP-LEVEL email providers ? Sometimes the emails that we have sent being rejected by top level email providers because of the server…
R=dkim_lookuphost defer (-1): host lookup did not complete
I was facing some problems with my exim mail server after cpanel migration. I weren’t able to send and receive emails from all emails accounts under any domains on that migrated VPS.