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无法将ssh切换到特定用户：su：无法设置用户ID：资源暂时不可用？
/var/log/secure： su: pam_keyinit(su-l:session): Unable to change UID to 500 temporarily su: pam_keyinit(su-l:session): Unable to change UID to 500 temporarily su: pam_unix(su-l:session): session opened for user adtech by root(uid=0) su: pam_unix(su-l:session): session closed for user adtech 我猜这是由每个用户的限制引起的，但是与另一个用户进行比较时没有什么不同。 这是ulimit -n为了adtech： [adtech@hmaster87 root]$ ulimit -a core file size (blocks, -c) 0 data seg …