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How To Secure MariaDB Server with mysql_secure_installation command

The mysql_secure_installation command helps us to improve the security of the MariaDB installation. With this command, You can set a password for root accounts. You can remove root accounts that are accessible from outside the local host. You can remove anonymous-user accounts. You can remove the test database (which by default can be accessed by […]

How to clear Swap Memory in Linux / CentOS / RHEL

Virtual Memory is called as Swap space in Linux and  is used when the physical memory (RAM) is full. When the system needs more memory and the RAM is full, inactive pages in the memory will be moved to the swap space. Swap is not a replacement to physical memory,  it is just a small […]

How To Disable IPv6 on CentOS 6 / RHEL 6

This post guides you on how to disable IPv6 on CentOS 6 / RHEL 6. Edit the /etc/sysctl.conf file. vi /etc/sysctl.conf Put the following entry to disable IPv6. net.ipv6.conf.all.disable_ipv6 = 1 net.ipv6.conf.default.disable_ipv6 = 1 Execute the following command to reflect the changes. sysctl -p That’s All.

How To Install SpaceWalk on CentOS 6 / RHEL 6

Spacewalk is the package, and system management solution for Red Hat derived Linux operating system such as CentOS, Scientific Linux and Fedora, by the spacewalk community. It is released under GPLv2 license. It offers a more flexible way to do Inventory of the systems Install and Update system packages. Configuring for Kick-start installation. Deploy and […]

Create Raid Configuration File ( /etc/mdadm.conf ) – Linux

RAID refers to a redundant array of independent disks; it helps you to combine multiple storage disks into a single logical unit. Data is distributed to across disks, depends upon Raid level used. Normally Linux system doesn’t automatically remember all the components that are part of the RAID set. This information has to be added […]