Archive for December, 2015

Instead of logging in to SSH using a traditional password, you can also authenticate yourself without a password using a technique called public key authentication. This has more advantages than you would expect: as well as being convenient and more secure, you could use it to allow applications on your computer to access a remote system without knowing anything about the authentication, and mount SSH filesystems without being prompted.

How does public key cryptography work?

For more information, Click following link.

Source: Public Key Authentication for SSH Made Easy – StumbleUpon


iplist is a Linux application for blocking connections to and from a specified range of hosts using the netfilter netlink-queue library. Iplist is an open source IP filtering program similar to PeerGuardian for Linux



Click here to goto the website:- IPLIST

Source: 10 Unknown but Useful Linux Terminal Commands – StumbleUpon

Ubuntu in the clouds


Source: OpenStack’s top operating system: Ubuntu Linux – StumbleUpon