Opening ports using iptables

To open a port by using iptables you can use the iptables command, assume for example that you want to open port 25, you have to issue on the shell the following command iptables -I INPUT -p tcp –dport 25 -j ACCEPT where -I instruct to not add the rulle after the deny all rule […]

How to mount LVM partition on Ubuntu

Mounting is an easy process to do, provided the filesystem type you are using is supported. What happen when you have an LVM formatted disk, and you need to mount it because the disk cannot be booted and a hell lot of valuable data kept inside?? Do not worry, because the solution is here……. 1. […]

How to generate an SSH key on Windows using PuTTY?

You can generate an SSH key on Windows using the PuTTY SSH client. You can download PuTTY for free from this URL. To generate a key with PuTTY, you should: 1. Download and start the puttygen.exe generator. 2. In the “Parameters” section choose SSH2 DSA (if your server uses RSA you have to choose SSH2 […]