Linuxhistory time user IP settings

During the Linuxhistory time, the user's IP settings encountered some unknown operations when using the linux server. google said that the history command can view historical records. after using this command, we found that it was not detailed enough, then google, you can set the display of history by yourself ....
During Linux history time, the user's IP address settings encountered some unknown operations when using the linux server. google said that the history command can be used to view historical records. after using the history command, I found that it was not detailed enough, google, you can set the display of history on your own. Record the setting process for system replacement. use the vi editor to open/etc/profile2. add two code codes: USER_IP = 'who-u am I 2>/dev/null | awk '{print $ NF}' | sed- e's/[()] // g'' www.2cto.com export HISTTIMEFORMAT = "[% F % T] ['whoam'] [$ {USER_IP}]" 3. source/etc/profile4. execute history to display the following: 1000 [04:05:09] [root] [192.168.10.136] history 1001 [2012-09-08 04:14:24] [root] [192.168.10.136] cd root 1002 [04:14:27] [root] [192.168.10.136] ls 1003 [2012-09-08] 04:14:30] [root] [192.168.10.136] cd/opt