鎴戜嬌鐢ㄤ簡寤舵椂Sleep(3),鍙互鐪嬪埌鏄庢樉鐨勫歡鏃躲?/p>
鍚屾牱鐨勪唬鐮佺Щ妞嶅埌VC涓嬫病鏈夐棶棰橈紝緇撴灉姝ｅ父錛岄棶棰樺嚭鍦ㄥ摢閲岋紵錛?/p>
int main( )
{
clock_t start, finish;
double duration;
start=clock();
printf("%d\n",start);
Sleep(3);
finish=clock();
printf("%d\n",finish);
duration=(double)(finish-start);
printf( "%f\n", duration);
return 1;
}
#gcc -o processtime.out processtime.c
#./processtime.out
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娌℃湁鍔炴硶,鍙ソ鎶妉inux server Reset,鍙槸璧鋒潵涔嬪悗闂渚挎垚浜嗗彟澶栫殑鐜拌薄: network error:connection refused.
鏌ヤ簡濂介暱鏃墮棿,鏈夋彁鍑鴻В鍐蟲楠?
1 媯鏌erver绔槸鍚﹀紑鍚疭SHD銆?br> 2 緗戠粶錛岄槻鐏鏄惁灞忚斀鎺変簡绔彛.
3 server 绔槸鍚﹂厤緗敊璇?
鍥犱負閲嶅惎涔嬪悗鍙戠幇IP鏈夊彉鍖?鎬鐤戠涓夌鎯呭喌鏈鏈夊彲鑳?鎵浠ヤ竴鐩磋嚧鍔涜繖鏍兼鏌?淇敼,閰嶇疆/etc/hosts.deny 鍜?etc/hosts.allow.鏈鍚庤繕鏄病鏈夊彉鍖?
鍐嶆潵媯鏌erver绔湇鍔?
#ps -e | grep ssh 鍙戠幇鍙紑鍚簡ssh_agent
鍘熷洜鎵懼埌浜?閲嶅惎sshd.
鍐嶆鍑虹幇闂.
privilege separation user sshd doesnot exist.
娣誨姞 sshd 璐︽埛錛歴shd:x:74:74:privilege-separated SSH:/var:empty/sshd:/sbin/nologin
#sudo /etc/init.d/ssh restart
闂瑙ｅ喅銆?nbsp;
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