1
vote
0answers
25 views

Set memory allocation for applications in Ubuntu [duplicate]

I have an application running under Ubuntu that tries to consume all available memory. Is there a way to specify and restrict the allocations available for a given application?
0
votes
1answer
93 views

mdadm large memory consumption [closed]

I am building a RAID 6 with mdadm (8 WD Red 3 Tb) on Ubuntu 13.10x64 server with ext4 filesystem. When I download torrent on the array, server RAM is filled for maximum cap (8 Gb) memory is free when ...
2
votes
2answers
789 views

How to reduce ClamAV memory usage?

I'm running a Ubuntu based web server (Apache, MySQL) on a 512MB VPS. This is more than sufficient for the website it is running (small forum). As I wanted to add some protection against viruses I ...
2
votes
3answers
129 views

How can I find the amount of memory consumed by a process?

How can I find the amount of main memory consumed by a process using ps aux? I have a process which runs for half an hour. Is it possible to find the maximum amount of main memory consumed by it ...
1
vote
1answer
337 views

private memory calculated by pmap, a combination of virtual memory size and resident memory size?

You can use the ps command to get the virtual memory size and the resident memory size of a process: $ ps aux | grep apache2 USER PID %CPU %MEM VSZ RSS TTY STAT START TIME ...
0
votes
2answers
4k views

How can i free up memory / manage memory on a linux box?

I am running two Ubuntu 12.04 servers (no GUI / desktop) using canonical's cloud images on Amazon EC2. One is a micro with 613MB of RAM and one is a medium with 3.75GB of RAM. I only have opscode's ...
1
vote
2answers
135 views

Where is the frame.h located in modern Linux implementations? (ubuntu specifically)

A book I am reading refers to an include file that shows how a stack frame looks on one's UNIX system. In particular: /usr/include/sys/frame.h I am having trouble finding the modern equivalent. ...
2
votes
2answers
631 views

RAM usage doesn't add up? (Free+used < total)

Lately I've been noticing that my monitoring script which reads from /proc/meminfo and /proc/<pid> has been showing odd readings, where several hundred MB seem to be missing. htop is showing the ...
3
votes
1answer
386 views

Impossible pmap results

Nautilus is taking up 450 MiB according to System Monitor (Ubuntu 10.04). $pmap <PID of Nautilus> ... total 1578276K Is pmap reporting 1.5 GiB of memory here? I'm trying to find out ...
5
votes
2answers
2k views

How to check for hardware errors with software methods?

How can I check for bad blocks, bad memory, etc. using only software solutions? I'm using Ubuntu 11.04.
8
votes
2answers
836 views

Kernel Panic because of RAM stick?

one of my RAM sticks causes a Kernel Panic on my Ubuntu 10.10 (something like "not syncing" with a lot of memory adresses shown on screen). It's definitely this one RAM stick and not its socket ...
5
votes
5answers
2k views

How do you free up resources in Ubuntu?

What steps do you take to make a vanilla Ubuntu system run faster and use less memory? I'm using Ubuntu as the OS for my general purpose PC, but it's on slightly older hardware and I want to get as ...