by Farooq Ahmed | Feb 25, 2015 | RHEL / CentOS
This article will show you how to Telnet via BASH script and return the status as open or close. This has been tested on CentOS/RedHat and hopefully should work on all other Linux distributions as well. Create a file telnet_script.sh. This script is to Telnet SSH port...
by Farooq Ahmed | Feb 20, 2015 | vCenter
Its easy to update vCenter Server Appliance and can be done using the WEB interface of vCSA. In this article I upgraded from v5.5.0 Update2b to v5.5.0 Update 2d. Take a snapshot of vCenter Server Appliance before you update just to be on a safe side if things go...
by Farooq Ahmed | Feb 13, 2015 | Linux
I wanted to share my experience building a ESXi HOME LAB with VPN access that can be used for development and testing purposes and also making sure its the most energy efficient setup and light on your pocket coupled with good performance and negligible noise. This...
by Farooq Ahmed | Feb 13, 2015 | Red Hat IDM
When using IPA for managing user authentication you can come across this issue of SSH dropping just after a password change. It can be resolved by changing options in /etc/ssh/sshd_config. You need to be ROOT to make this change and restart SSHD service to take...
by Farooq Ahmed | Feb 5, 2015 | Linux
Showing Line numbers in Vi /Vim Text editor would be very helpful when it comes to troubleshooting code errors in a file. This works on almost all Linux/UNIX distributions. Once you are in the edit file mode, Type while in edit mode “:set nu” OR...
