root every time we log in Previous command history is cleared to prevent hackers from logging in to view root command history for your account! Application Scenario: Although we only record 5 lines of command in Linux optimization, but this for our production environment still affect efficiency, sometimes do some operations need to call Historical command directly, improve work efficiency, but found that t
With the development of the Internet, at work, the local computer may not be able to meet our single needs, such as we have a Web server, or run some programs in the system is limited, then the need to use a remote connection to access another computer operation, but the problem is, in the use of Remote Desktop, Will leave a lot of remote landing history. Although this software is very convenient to use, but through the remote Desktop is required to l
Requirements Description:When using Plsql developer, there is too much history when you log in, and you want to get rid of these login histories,Under this record.Operation Process :1. Log in to Plsql Developer (or cancel when you log in Plsql Main Page also appears)2. Tools---preferences under "Login History", "
Scenario: Multiple normal users log in in production environment , log in automatically after logging in History operation to a unified directory save. Specific requirements: 1) automatically create subdirectories and history files after each user login; 2) allows the user to create a history record file and
[Root@localhost root]# echo >/var/log/wtmp This file is turned on by default when it's garbled, and you can see IP and so on.
[Root@localhost root]# Echo >/var/log/wtmp
[Root@localhost root]# last
The user logon information is not visible at this time
Clears the log of the login system failure, which is the record that the LASTB command sees.
[Root@localhost root]# echo >/var/log/btmp This file is open by default when it is garbled
[Root@localho
Generally do the site, is by clicking the log-off after returning to the login page,Although this session is set to expire, the user can still clickThe browser's return button returns to the page you just manipulated, although the user againThe login page will still be entered after the refresh, but the individual feels the user experience effectIt's not good. So on the internet for a long time, and finally
1.last, the default read is the/var/log/wtmp file content, showing the user login history and System restart history-N #: Displays information about recent # times650) this.width=650; "Src=" Http://s2.51cto.com/wyfs02/M02/84/4F/wKiom1eMmdKhn_XTAAHCM0K2_Qc596.jpg-wh_500x0-wm_3 -wmp_4-s_4000073811.jpg "title=" 1.jpg "alt=" Wkiom1emmdkhn_xtaahcm0k2_qc596.jpg-wh_50 "
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