How to Create a Bootable Ubuntu ISO Backup with Remastersys

Install required packages

apt-get install libvte-common libvte9 plymouth-x11 syslinux-utils isolinux squashfs-tools casper libdebian-installer4 ubiquity-frontend-debconf user-setup discover xresprobe systemd

sudo add-apt-repository ppa:sergiomejia666/xresprobe

sudo apt-get update

sudo apt-get install xresprobe

Create download directory

mkdir /data

cd /data

Download Remastersys packages

Obtain the remastersys_3.0.1-1_all.deb and remastersys-gui_3.0.1-1_amd64.deb files from the official Remastersys website.

Install Remastersys

sudo dpkg -i remastersys_3.0.1-1_all.deb

sudo dpkg -i remastersys-gui_3.0.1-1_amd64.deb

Backup the system

Command‑line backup: sudo remastersys backup Graphical backup: sudo remastersys-gui The backup creates a full ISO image containing the entire system, including configuration files and installed programs.