Category Archives: Linux

Default Config Files and SSH Port

Posted on September 17, 2014 by Annie

Default Config Files and SSH Port /etc/ssh/sshd_config – OpenSSH server configuration file. /etc/ssh/ssh_config – OpenSSH client configuration file. ~/.ssh/ – Users ssh configuration directory. ~/.ssh/authorized_keys or ~/.ssh/authorized_keys – Lists the public keys (RSA or DSA) that can be used to

What are Useful CLI Tools for Linux System

Posted on September 15, 2014 by sherly

Some of the most popular and useful CLI tools recommended for sysadmins in their day to day activities. If you would like to recommend any useful tool which is not listed here, don’t forget to share it in the comment

Command to check which RAM using on your computer?

Posted on September 5, 2014 by Vineesh Mohan

You can check the information by running following command: The result will look like: Another command also available to check this:

Understanding Linux CPU Information

Posted on August 29, 2014 by Annie

The /proc/cpuinfo is a read-only file that contains information about the central processing units on a machine. You can easily read its content and display it to the terminal on standard output by using the cat command. Login to ssh

CentOS 7 Apache Error AH01630: client denied by server configuration

Posted on August 28, 2014 by admin

I have setup a web site on CentOS 7 Apache server. With following configuration. When i visit the web site i get permission denied error. On checking apache error log, i found This is because CentOS 7 use Apache 2.4

Installing MySQL on CentOS 7

Posted on August 28, 2014 by admin

CentOS 7 stopped shipping MySQL as it is owned by Database company Oracle, many doubt Oracle will use MySQL to sell their Oracle Database. Now CentOS ship with MariaDB. It is created by creator of MySQL. He sold MySQL to

Install Bandwidth Monitor vnstat on Ubuntu

Posted on August 28, 2014 by Annie

Now I am going to explain network monitoring tool which monitors bandwidth for a system, ie vnstat(view network statistics). Its very much easy to install and configure. To install vnStat on Ubuntu/Debian, you can use apt-get: After installation completed, we