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Special Forums Cybersecurity Limit CPU and RAM utilization for new user in RedHat Post 302703559 by vaibhavvsk on Thursday 20th of September 2012 02:16:18 AM
Old 09-20-2012
Question Limit CPU and RAM utilization for new user in RedHat

We have a system with 4 Xeon Processors each with 10 cores, total 512 GB RAM and 10 TB Hard Drive.

we want to create multiple user accounts with different resource limitations as :

User 1: RAM : 50GB, PROCESSOR: 10 Cores , User folder in home directory of 10GB space.

User 2: RAM : 100GB, PROCESSOR: 30 Cores , User folder in home directory of 100GB space.

Could you please suggest me how to set this kind of limitations for each user.

Thanks in advance..
 

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CORE(5) 						      BSD File Formats Manual							   CORE(5)

NAME
core -- memory image file format SYNOPSIS
#include <sys/param.h> DESCRIPTION
A small number of signals which cause abnormal termination of a process also cause a record of the process's in-core state to be written to disk for later examination by one of the available debuggers. (See sigaction(2).) This memory image is written to a file named by default core.pid, where pid is the process ID of the process, in the /cores directory, provided the terminated process had write permission in the directory, and the directory existed. The maximum size of a core file is limited by setrlimit(2). Files which would be larger than the limit are not created. The core file consists of the Mach-O(5) header as described in the <mach-o/loader.h> file. The remainder of the core file consists of vari- ous sections described in the Mach-O(5) header. NOTE
Core dumps are disabled by default under Darwin/Mac OS X. To re-enable core dumps, a privileged user must do one of the following * Edit /etc/launchd.conf or $HOME/.launchd.conf and add a line specifying the limit limit core unlimited * A privileged user can also enable cores with launchctl limit core unlimited * A privileged user can also enable core files by using ulimit(1) or limit(1) depending upon the shell. SEE ALSO
gdb(1), setrlimit(2), sigaction(2), Mach-O(5), launchd.conf(5), launchd.plist(5), sysctl(8) HISTORY
A core file format appeared in Version 6 AT&T UNIX. BSD
June 26, 2008 BSD
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