A very easy solution to transfer files or whole directories betwen 2 linux computers.

I have been looking for a good GUI solution (apart from samba) for some time now, when I have been introduced to NitroShare. (nitroshare.net)

Easy installation from Linux Mint/Ubuntu

sudo apt install nitroshare

Once installed just launch it from your applications on both computers and you are ready to start transferring files immediately.

#!/bin/bash #typically the first line of the bash scripts

BTIME=`date +%d-%b-%y` #current date

SOURCE=/home/path-to-data/ #the folder we want to backup

DESTINATION=/home/my-backups/backup-$BTIME.tar.gz #create a backup file using the current date in it's name

tar -cpzf $DESTINATION $SOURCE #creating the backup

Securing your linux by installing Rkhunter

What Is Rkhunter?

Rkhunter (Rootkit Hunter) is an open source Unix/Linux based scanner tool for Linux systems released under GPL that scans backdoors, rootkits and local exploits on your systems.

It scans hidden files, wrong permissions set on binaries, suspicious strings in kernel etc. To know more about Rkhunter and its features visit rootkit.nl

While it might not deter a sophisticated attacker, it will most definitely help you identify your own mistakes.

Example installation steps for Linux Mint / Ubuntu is provided below.

Here is the source :
https://sourceforge.net/projects/rkhunter/