su 指令出現的問題: su: cannot set user id: Resource temporarily unavailable

IT_man

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# Q) ^! X! d! v+ e徵狀:

) V! x, n' Z" w( `$ u8 ~某天因為需要從root su 到一般的user,指令如下:
#su someuser  結果show error
% V, \. P$ Z6 @7 K; `7 psu: cannot set user id: Resource temporarily unavailable

. {; I, t' [( t1 b查了google得知根本原因是process 最大限制是 1024:

#cat /etc/security/limits.d/90-nproc.conf
3 G- |- T3 I. s0 w# Default limit for number of user's processes to prevent
# accidental fork bombs.
# See rhbz #432903 for reasoning.

' d) U2 x' j' b0 O*          soft    nproc     1024     ====>將1024改成大一點如4096就 OK
5 p" y: t% j6 H  O3 s9 zroot       soft    nproc     unlimited


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