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I have created a Ramdisk for Chrome following these instructions: 

1) Most of our commands require superuser privileges, so we might as well just switch to root.

sudo su -

2) Edit your startup script:

nano /etc/rc.local

Right above “exit 0″ we’ll add the commands that need to run each time at startup:

mkdir /tmp/ram

mount -t tmpfs -o size=512M,mode=750 tmpfs /tmp/ram/

chown -R yourUserName /tmp/ram/ (replace “yourUserName” with your user name)

Save the changes and exit (ctrl-o, ctrl-x).

3) Edit your boot configuration:

nano /etc/default/grub

Change the GRUB_CMDLINE_LINUX line to read:

GRUB_CMDLINE_LINUX=”ramdisk=512000″

and again save and exit.

4) Reboot and verify that /tmp/ram now exists with “drwxr-x—” rights with you as the owner.

5) Relocate your existing browser (no need to do this as root) cache and link to it:

For Chromium:

rm -rf  ~/.cache/chromium

ln -s /tmp/ram ~/.cache/chromium

For Google Chrome:

rm -rf  ~/.cache/google-chrome/

ln -s /tmp/ram ~/.cache/google-chrome

For Mozilla Firefox:

The cache for Firefox can be found inside your Firefox profile (which includes a big random string in it). As long as you only have one Firefox profile you can do this:

cd ~/.mozilla/firefox/*default

rm -rf Cache

ln -s /tmp/ram Cache

From here Perfect Ubuntu: Optimizing Your Browser with a RAM Disk

I'd like to use Lightread with a Ramdisk, what should I do to achieve that?

Uri Herrera
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Jill Clover
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1 Answers1

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You can install Profile Sync Daemon. There is a tutorial: Click here

fjrodriguez
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    This works for the purpose of the putting the profile and the cache (depending on the browser) on RAM but it's clearly aimed at web browsers. What (if possible) should the OP do to use it with Lightread?. – Uri Herrera Apr 04 '15 at 08:50