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	SystemRescue 12.03 for amd64
	Downloadsystemrescue-12.03-amd64.iso from Sourceforge
	Downloadsystemrescue-12.03-amd64.iso from Fastly
Release details	released on 2025-12-13 (1166 MiB)
SHA256 checksum	systemrescue-12.03-amd64.iso.sha256
SHA512 checksum	systemrescue-12.03-amd64.iso.sha512
GnuPG Signature	systemrescue-12.03-amd64.iso.asc

Other versions

You can also downloadprevious versions, orbeta versions if you want to have more recentversions of packages or to try the latest features. See here forDownloading and Building Sourcecode.

Applying customizations

Before you install SystemRescue on a boot device, you may want to apply your owncustomizations to the ISO image. This can be achieved easily throughsysrescue-customize.

Installation on a USB stick or internal disk

It is possible to use SystemRescue without having a DVD drive as it can beinstalled onUSB sticks,or ona local disk. In anycase you will need to download the ISO image from the current page.

Checking the downloaded file

To confirm that the download was successful, you should download the checksumfiles and then run verification commands such as the following ones:

sha256sum --check systemrescue-x.y.z.iso.sha256sha512sum --check systemrescue-x.y.z.iso.sha512

These command will recalculate the checksum on the downloaded file, and compareit with the expected checksums. These checksum programs are part ofcoreutilson Linux and should be pre-installed with most distributions.

You can downloadsha256sum.exe for windows,and you can run the command from a cmd.exe terminal.

Checking the signature

You can also verify the signature of the ISO image using GnuPG. The signatureis located in the ASC file named after the ISO image that you can get from themain download links at the top of this page. You will also needthe public signing key.

gpg --import gnupg-pubkey.txtgpg --verify systemrescue-x.y.z.iso.asc systemrescue-x.y.z.iso

Errors during the boot process

Various issues can cause SystemRescue to hangs or fail with unexpected errorsduring the boot process. Please do not report these as bugs unless you haveverified the frequent causes of these issues:

Boot medias such as DVD, and USB stick are often unreliable and badblocks will cause problems. You can try another media to see if it makes adifference, and you can enable verification when you burn/copy the ISO imageto make sure data written to the device can be read and match the original.
Damaged RAM will cause all type of programs to behave unexpectedly. Computersmemory can be tested using program such as memtest which is included withSystemRescue.
You will also get problems if the system runs out of memory. So make sure yourcomputers has at least 2GB of memory if you start with the default bootoptions or 4GB if you cache the system into RAM.

Writing the ISO image file to a DVD

On Linux you can use either command line tools such as cdrecord/wodim orgraphical tools such as k3b, brasero or xfburn.

Online documentation

Reading theQuick Start Guide is recommended if itis your first time using SystemRescue. You may also be interested in theComplete documentation for more details.