by Farooq Ahmed | Jan 30, 2015 | RHEL / CentOS
Reducing LVM disk size is possible using lvreduce on the fly without a reboot. Make sure that data is backed up for the disk to be resized so that FREE space can be reused. LVM (Logical Volume Management) is very efficient when it comes to mounting/partitioning disks...
by Farooq Ahmed | Jan 22, 2015 | Debian Wheezy (7)
If you can’t spend thousands for a static IP, Try out this script which sends out an email alert whenever Public IP address changes. In a situation where you need a VPN solution without spending thousands on a static IP no matter if you are a HOME user or a...
by Farooq Ahmed | Jan 15, 2015 | ESXi
Its possible to change the interface name in Linux and reload without a reboot. It usually happens in Virtual environment where you add / remove interfaces frequently. You need to take note of the interfaces before you do any changes. Make sure that there are no...
by Farooq Ahmed | Jan 15, 2015 | Nagios Core
Its possible to enable SSL over http for Nagiso Core (Red Hat/CentOS). The Nagios WEB UI can be made secure by enabling https instead of plain http in Nagios. After you are done installing Nagios Core in Linux, you need to enable OpenSSL in Apache. First we need to...
by Farooq Ahmed | Jan 15, 2015 | RHEL / CentOS
Its now possible to extend LVM disk/partition to more than 2TB that too without using Parted, GPT or Kernel editing.After doing lots of Googling and not a single article explaining about extending LVM volume without GPT, I came up with this article which has been...
