How to Overlay two files with UnionFs in a Linux System

UnionFS creates a unified seamless filesystem by transparently overlaying files and directories from separate filesystems. In this short video, we shall be looking at how to get it installed in Ubuntu 20.04.



Commands:
sudo apt-get update
sudo apt install -y unionfs-fuse
mkdir dir1
touch dir1/f1
touch dir1/f2
mkdir dir2
touch dir2/f3
touch dir2/f4
mkdir union
unionfs dir1/:dir2/ union/
ls union/




Chapters:
0:00 Intro
0:23 Step1: Update the package index
0:51 Step2: install Unionfs
1:13 Step3: create two separate directories (branches) with two files each respectively
1:35 Step4: Let’s create an empty directory
1:48 Step 5: Mount the two branches
2:03 Step6: verify the files
2:18 End screen




What you will learn:
1. Step1: Update the package index
2. Step2: install Unionfs
3. Step3: create two separate directories (branches) with two files each respectively
4. Step4: Let’s create an empty directory
5. Step 5: Mount the two branches
a. How to overlay the two branches on top of each
6. Step6: verify the files





















Song: MusicbyAden – Ocean
Music provided by Vlog No Copyright Music.
Creative Commons – Attribution-ShareAlike 3.0 Unported
Video Link: https://youtu.be/kMm-OwnPqXA

#computereverywhere #howto #overlay #files #union #fs #linux #system