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$ sudo ls
Password:
cuser is not in the sudoers file.  This incident will be reported.
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1.Çл»µ½³¬¼¶Óû§£º$ su
2.´ò¿ª/etc/sudoersÎļþ£º$vi /etc/sudoers
3.ÐÞ¸ÄÎļþÄÚÈÝ£º
ÕÒµ½“root    ALL=(ALL)       ALL”Ò»ÐУ¬ÔÚÏÂÃæ²åÈëеÄÒ»ÐУ¬ÄÚÈÝÊÇ“cuser   ALL=(ALL)       ALL”£¬È»ºóÔÚvi¼üÈëÃüÁî“wq!”±£´æ²¢Í˳ö¡£
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Checking kernel parameters
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Checking for semmns=32000; found semmns=32000.    Passed
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