You can login to a Linux system without entering a password and here are 3 simple steps to set it up.
Setup OpenVPN 2.3.6 on CentOS 6.5
Mount remote directory with sshfs
In computing, SSHFS (SSH Filesystem) is a filesystem client to mount and interact with directories and files located on a remote server or workstation over a normal ssh connection. The client interacts with the remote file system via the SSH File Transfer Protocol (SFTP), a network protocol providing file access, file transfer, and file management functionality over any reliable data stream that was designed as an extension of the Secure Shell protocol (SSH) version 2.0. Using SSHFS, a remote file system may be treated in the same way as other volumes (such as CDs, DVDs, USB flash drives and shared disks).
How to add a second IP address on Linux
How to extend ext4 root partition without reboot
Let’s say you want to extend existing disk on your already installed VM. Usually to extend the existing ext4 partition where system is running you would use some Live CD, to edit partition while it’s unmounted. However it’s possible to extend the partition without booting from Live CD. Here are some simple steps to do so: