/etc/security/limits.conf

/etc/security/limits.conf

1 주요 항목[ | ]

core ★	limits the core file size (KB)
data	max data size (KB)
fsize	maximum filesize (KB)
memlock ★	max locked-in-memory address space (KB)
nofile ★	max number of open files
rss	max resident set size (KB)
stack	max stack size (KB)
cpu	max CPU time (MIN)
nproc ★	max number of processes
as	address space limit (KB)
maxlogins	max number of logins for this user
maxsyslogins	max number of logins on the system
priority	the priority to run user process with
locks	max number of file locks the user can hold
sigpending	max number of pending signals
msgqueue	max memory used by POSIX message queues (bytes)
nice	max nice priority allowed to raise to values: [-20, 19]
rtprio	max realtime priority

2 초기값[ | ]

페도라 16, CentOS 5.7 모두 초기값이 아래와 같았다.

# /etc/security/limits.conf
#
#Each line describes a limit for a user in the form:
#
#<domain>        <type>  <item>  <value>
#
#Where:
#<domain> can be:
#        - an user name
#        - a group name, with @group syntax
#        - the wildcard *, for default entry
#        - the wildcard %, can be also used with %group syntax,
#                 for maxlogin limit
#
#<type> can have the two values:
#        - "soft" for enforcing the soft limits
#        - "hard" for enforcing hard limits
#
#<item> can be one of the following:
#        - core - limits the core file size (KB)
#        - data - max data size (KB)
#        - fsize - maximum filesize (KB)
#        - memlock - max locked-in-memory address space (KB)
#        - nofile - max number of open files
#        - rss - max resident set size (KB)
#        - stack - max stack size (KB)
#        - cpu - max CPU time (MIN)
#        - nproc - max number of processes
#        - as - address space limit (KB)
#        - maxlogins - max number of logins for this user
#        - maxsyslogins - max number of logins on the system
#        - priority - the priority to run user process with
#        - locks - max number of file locks the user can hold
#        - sigpending - max number of pending signals
#        - msgqueue - max memory used by POSIX message queues (bytes)
#        - nice - max nice priority allowed to raise to values: [-20, 19]
#        - rtprio - max realtime priority
#
#<domain>      <type>  <item>         <value>
#

#*               soft    core            0
#*               hard    rss             10000
#@student        hard    nproc           20
#@faculty        soft    nproc           20
#@faculty        hard    nproc           50
#ftp             hard    nproc           0
#@student        -       maxlogins       4

# End of file

3 설정 예시[ | ]

testuser  soft    nofile  131072
testuser  hard    nofile  131072
testuser  soft    nproc   131072
testuser  hard    nproc   131072
testuser  soft    core    unlimited
testuser  hard    core    unlimited
testuser  soft    memlock 50000000
testuser  hard    memlock 50000000

4 같이 보기[ | ]

5 참고[ | ]

(영어) http://linux.die.net/man/5/limits.conf
https://access.redhat.com/solutions/61334