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0
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0answers
42 views

Ubuntu running extremely slow on P4 1GB RAM. New Install. Used to run well previously

i am currently running Ubuntu 14.04 64 bit on a Pentium 4 with 1 GB DDR2 RAM. It used to run butter smooth on 2 GB RAM. Unfortunately I had to remove 1 RAM card to use in another old PC. And now, in ...
0
votes
1answer
257 views

How to resolve excessive CPU usage?

I just installed Ubuntu 13.04 on my brand new notebook and PU usage is insane. I'm a new Linux user. Can somebody help me? Specs and system monitor:
1
vote
1answer
47 views

Software to track application profile

I am developing a software for number theory investigation, and I am suspicious that is leaking memory. It would be very nice to log the CPU, and RAM usage of this program through some application. ...
2
votes
1answer
957 views

Normal RAM usage for Ubuntu 12.04 + Unity?

My system is Ubuntu 12.04 64 bit + Unity and it uses ~480Mb with no other processes-apps open, just the core system. Is this the expected amount? It seems a bit steep to me but perhaps this is normal ...
27
votes
4answers
15k views

Computer freezing on almost full RAM, possibly disk cache problem

The problem I think is somewhat similar to this thread. It doesn't matter if I have swap enabled or disabled, whenever the real used RAM amount starts going close to maximum and there is almost no ...
1
vote
2answers
90 views

RAM usage for webadmin

I would like to know RAM usage. I know there are several commands like free, top, but how can i get only the number in MB's like "3172", so i can use it in my webadmin script? Thanks in advance.
69
votes
4answers
14k views

Meaning of “i” in “MiB”?

I see the usage of "MiB" as measure to represent the size in Ubuntu. What does MiB stand for? In particular the "i"?
-3
votes
3answers
4k views

Why does ubuntu use about twice as much RAM as debian? [closed]

I installed debian 5 + LXDE and I was surprised that without an application running it used less than 50 MB of RAM and with Firefox and OpenOffice running it still used less than 100 MB of RAM. Ubuntu ...
15
votes
2answers
10k views

How to create RAM drive?

How do i create RAM drive under ubuntu. And would he automounted at startup?
129
votes
6answers
150k views

How to empty swap if there is free RAM?

When I open a RAM-intensive app (VirtualBox set at 2GB of RAM), some swap space is generally used, depending on what else I have open at the time. However, when I quit that last application, the 2GB ...