- #SYSTEMRESCUECD U INSTALL#
- #SYSTEMRESCUECD U UPDATE#
#SYSTEMRESCUECD U UPDATE#
To make this easier so you don’t need to update configuration files with each new version of the ISO you download, save it as /boot/iso/sysresccd.iso. Now you’ll need to download the latest sysresccd ISO file - at the time of writing, this is version 6.0.3.Then you need to make a destination for your ISOs: mkdir /boot/iso.
First, make sure your /boot directory’s device is mounted: mount /boot (if you get an error message about it already being mounted, that’s fine and dandy). If you aren’t using (U)EFI, you can ignore this assumption. If you’re using a different mountpoint, adjust accordingly. I assume below that your ESP is set to /boot (so you have e.g. Generally speaking, though, you shouldn’t need any other ISO for your rescue operations. I might figure it out for CentOS/RHEL or Debian/Ubuntu if there are any requests for it.įor this example, we’ll just be including SystemRescueCD (which I’ll subsequently be referring to as sysresccd because it’s shorter to type and is the abbreviation used internally by the project itself) but there’s no real limit on how many of these you can include – only the storage capacity of wherever you store the ISO files. If you don’t want the nitty-gritty, I have a script that will download the latest Arch ISO (which has a small number of rescue utilities available on its own), download the latest SystemRescueCD, a grub script for Arch and a grub script for SystemRescueCD. Obviously, you need to have the ISOs you want to boot from downloaded to a filesystem accessible by your bootloader (as indicated above, I just put them in /boot/iso). It also works best if you have a cron job to automatically download the newest version of an ISO. It works best if you have a fairly sizeable boot/ESP partition, depending on how many ISOs you want to make available and their respective sizes. #SYSTEMRESCUECD U INSTALL#
Your system still has to be able to boot to GRUB it won’t be able to fix a broken GRUB install obviously.I’m not aware of any other bootloader that supports loop-mounting, and legacy GRUB definitely doesn’t support it. Know what’s a real PITA? Having to carry around a ton of USB sticks (or even optical media!) for different rescue instances.ĭid you know that if you’re using GRUB, you don’t have to? HOWTO: Boot a Rescue ISO Directly from GRUB
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