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tmpfs nfs swapfile - use one computer's RAM as SWAP for another computer

Posted 10-13-2016 at 10:51 AM by IsaacKuo
Updated 10-13-2016 at 02:11 PM by IsaacKuo

Previously, I described how to use one computer's RAM as an SSD (OS drive) for another computer. Here, I describe how to use one computer's RAM as SWAP for another computer. Bear in mind that even a RAM disk over gigabit ethernet isn't going to be as fast as a local SSD, but it's still faster and much more responsive than a local spinning hard drive.

This technique of using another computer's RAM as SWAP is a great way to augment RAMboot, as described here:
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RAMboot How-To for Debian 8 Jessie

Posted 09-19-2016 at 01:58 PM by IsaacKuo
Updated 10-17-2016 at 12:48 AM by IsaacKuo
Tags ramboot, ssd, tmpfs

I have refined and updated my RAMboot how-to for Debian 8. Honestly, my previous how-to's still work fine for Debian 8, regardless of the switch to systemd. I have, however, tightened things up.

The basic concept is to boot from a local hard drive or USB drive, using a modified initrd to unpack ramboot/image.tar.gz to a tmpfs ramdisk. From then on, the system runs entirely from ram - uncompressed. This is like running off an extremely fast SSD, but with some important differences:...
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Installing Linux on a new SSD (in a desktop PC with a second hard drive)

Posted 02-08-2016 at 09:31 AM by beachboy2
Updated 02-11-2016 at 10:27 AM by beachboy2

If, like me, you have a lot of data and a suitable conventional hard drive (HDD), then I recommend that you just buy the smallest, good-quality SSD you can find.

30GB or 60GB is more than enough to accommodate a Linux distro.

6 SSDs to consider:

NB Do bear in mind that cheaper, smaller capacity versions of the these drives are available in addition...
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Note to myself, for whenever I get an SSD...

Posted 08-06-2014 at 10:36 PM by the dsc (linux-related notes)
Tags ssd, swap

If it would still apply for future technology...

Current good quality SSDs have built-in mechanisms to level the wear on the whole device so that their lives are maximised, but for something like Swap the inherent nature of that requirement will significantly ratchet up the number of Write cycles on any drive that hosts it, and that is still something I want to avoid on my SSD.

In reality it may not be a factor, but I'd rather spend a few dollars on more RAM to reduce
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