0
votes
0answers
19 views

Running Ubuntu in USB but with a lot of RAM; how to run program from RAM? [duplicate]

I installed Ubuntu on a usb drive and run it with my laptop, which has over 10GB of ram. The system is rather slow. I would want to run some major programs like Chrome directly from RAM instead of the ...
6
votes
1answer
6k views

How can I use RAM storage for the /tmp directory and how to set a maximum amount of RAM usage for it?

After seeing the comment by Anonymous on this question: How is the /tmp directory cleaned up? I found it a great idea to implement on my system, since I have 16GB of RAM and I never used all of it. ...
3
votes
2answers
1k views

large tmpfs /run partition - must it be so big?

I am running Ubuntu 11.10 desktop on a couple of 8G RAM Wintel boxes. Both have been created automatically by the default installer with a 1.6GB tmpfs /run partition, where I suspect this amount of ...
4
votes
2answers
405 views

How can I make an existing persistant live USB installation load more of the OS to RAM?

A while back I installed (a permanent installation, not a Live USB) Ubuntu on my USB thumb drive. Unfortunately, the transfer rates are too slow for a smooth and responsive experience, so I'd like to ...
3
votes
2answers
1k views

tmpfs vs. ext4 ramdisk

I would like to know which of both is faster; a tmpfs or a ext4 ramdisk. If someone knows a good way to benchmark disk perfomance on ubuntu, I will gladly do the test myself and post the results. ...
3
votes
1answer
1k views

Moving files to /dev/shm ramdisk doesn't increase RAM usage?

I've been wanting to make us of a ramdisk on my Ubuntu system for a while, and have done a bit of reading online. Most of the advice centres around using /dev/shm to move files into RAM. I wanted to ...
11
votes
3answers
4k views

How to create RAM drive?

How do i create RAM drive under ubuntu. And would he automounted at startup?