If you want to make .iso image of your current running system Ubuntu and use it to VM or cloud instances then this post is for you!There are multiple options for backup but Systemback is the best way you can easily create up & running O.S backups immediately.
Read detailed info here: https://www.ostechnix.com/systemback-restore-ubuntu-desktop-and-server-to-previous-state/
I will share how to build .iso if you have backup/.sblive image more than 4GB.
Method I:
- Decompress the .sblive image:
- mkdir sblive
- tar -xf /home/systemback_live_2016-04-27.sblive -C sblive
- Rename the syslinux to isolinux:
- mv sblive/syslinux/syslinux.cfg sblive/syslinux/isolinux.cfg
- mv sblive/syslinux sblive/isolinux
- Generate the ISO file:
- genisoimage -iso-level 3 -r -V sblive -cache-inodes -J -l -b isolinux/isolinux.bin -no-emul-boot -boot-load-size 4 -boot-info-table -c isolinux/boot.cat -o sblive.iso sblive
Method II:
Using mkisofs: sudo apt-get install mkisofs
- mkisofs -iso-level 3 -r -V sblive -cache-inodes -J -l -b isolinux/isolinux.bin -no-emul-boot -boot-load-size 4 -boot-info-table -c isolinux/boot.cat -o sblive.iso sblive
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