Splitting Work over Dual Boot

[justinstevens42]

I started doing GIMPS on my Windows partition on my computer, and was recently assigned a first-time LL test after double-checking M48068149. I now am also using my Ubuntu boot as well, and was wondering if it's possible for me to continue my work on the other distribution or if I just have to try a different number there?

[LaurV]

Can you set a common partition, or access windoze disk from linux?
If not, you will need to save the checkpoint files on a stick or SD card and resume from there.

[ET_]

Originally Posted by LaurV

Can you set a common partition, or access windoze disk from linux?
If not, you will need to save the checkpoint files on a stick or SD card and resume from there.

Consider saving the whole working directory of Prime95, with the worktodo.txt, prime.txt and local.txt files as well, save it on a dedicated directory on Ubuntu anddownload/extract the Linux version of the program (mprime) from the download page.

[ric]

Originally Posted by justinstevens42

I now am also using my Ubuntu boot as well, and was wondering if it's possible for me to continue my work on the other distribution or if I just have to try a different number there?

It can be done, but requires some fluency in both environments (that is, if you plan to do just a proof of concept, do as LaurV suggested: save all of your files on an external SD card and go from there). Otherwise, fasten your seat belts, and do the following:

• have all of your windows files in a dedicated directory with write capabilities (let's say C:/ProgramData/Prime95)
• boot into Linux, download and unpack the Linux64 version of the program in a folder under your home (let's say /home/your_user/prime95)
• do not start mprime yet (or it will fetch a completely new candidate for testing, and it will define a new and unrelated userid/machine)
• mount your windows partition (you'll probably require to install ntfs-3g and make a dedicated folder under your /mount or /media directory)
• take note of windows' partition mount point, and modify your /etc/fstab accordingly, in order to have a persistent mount point for it, whenever you boot into Linux
• copy the script below, name it primestart.sh or whatever name you like, and put it into the same folder of mprime (again, /home/your_user/prime95)
• make both mprime and the primestart.sh executable (an option under file properties)
• doubleclick primestart.sh, a new terminal will appear - remember that mprime has no fancy GUI, but a menu-driven interface

#!/bin/bash
#
#        start mprime with a menu and point to a folder specified by -W   
#
/home/your_user/prime95/mprime -m -W/media/Windows/ProgramData/Prime95

Well, this is not really "Linux 101", but it just works...