Unable to login to the system after changing the ulimits to -1

Solution Verified - Updated -

Issue

  • Unable to login to the system after changing the ulimits to -1 in /etc/security/limits.conf file:

    $ less /etc/security/limits.conf      
    *   soft    core    -1
    *   hard    core    -1
    *   soft    data    -1
    *   hard    data    -1
    *   soft    maxlogins   -1
    *   hard    maxlogins   -1
    *   soft    maxsyslogins    -1
    *   hard    maxsyslogins    -1
    

    Similarly changed the soft/hard limits for below options to -1:

    $ less /etc/security/limits.conf
    #<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 file descriptors
    #        - 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
    

Environment

  • Red Hat Enterprise Linux 6.4

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