lastlog

This article illustrates the method of capturing Console.log () output in JS. Share to everyone for your reference. The specific analysis is as follows: We know that Console.log () can export the information to the debugger for developers to view. But what if we want to get the output of Console.log () in JS? In fact, it is not difficult to first save the original Console.log, and then replace it with another implementation. The code is as follows: var

1 18:44 still logged in root pts/0 110.13.4.109 Thu Jan 1 18:38-20:49 (02:11) root tty1 Thu Jan 1 18:36 still logged in reboot System Boot 2.6.32-431.el6.i Thu Jan 1 18:35-04:22 (09:47) root pts/0 110.13.4.109 Thu Jan 1 17: 43-crash (00:51) root tty1 Thu Jan 1 17:41-crash (00:54) reboot system boot 2.6. 32-431.el6.i Thu Jan 1 17:38-04:22 (10:43) root pts/0 110.13.4.236 Tue Oct 20:24-crash (71+21:1 3) Root tty1 Tue Oct 20:23-crash (71+21:15) reboot system boot 2.6.32-431.el6.i Tue Oct 21 18:

report noteworthy events to file/var/log/messages via Syslog (3). There are also many UNIX programs that create logs. Servers that provide network services, such as HTTP and FTP, also maintain detailed logs. The common log files are as follows: access-log　　　纪录HTTP/web的传输 acct/pacct　　　纪录用户命令 aculog　　　　　纪录MODEM的活动 btmp　　　　　　纪录失败的纪录 lastlog　　　　 纪录最近几次成功登录的事件和最后一次不成功的登录 messages　　　　从syslog中记录信息（有的链接到syslog文件） sudolog　　　　 纪录使用sudo发出的命令 sulog　　　　　 纪录使用su

the contents of the latest 5 records in/var/log/wtmp. The main use of the WHO command is to report the user information currently logged in to the system. The WHO command provides information about the user logging into the system terminal equipment used, the user's address, the host name used, the window shown by x (if an X Windows system is used), whether the user accepts messages from other users, and the conversation request. The AC command provides approximate statistics about user connect

view the contents of the latest 5 records in/var/log/wtmp. The main use of the WHO command is to report the user information currently logged in to the system. The WHO command provides information about the user logging into the system terminal equipment used, the user's address, the host name used, the window shown by x (if an X Windows system is used), whether the user accepts messages from other users, and the conversation request. The AC command provides approximate statistics about user co

files are used to record the usage of the entire operating system. As a Linux Network Administrator, make full use of the following log files. 2.3.1/var/log/lastlog File Record the information of the user that finally enters the system, including the logon time, logon success or not. In this way, you only need to use the lastlog command to check the last logon time of the account recorded in the/var/log/

they are discovered and exploited by hackers, the system may be compromised. 2.3 properly utilize Linux Log Files Linux Log files are used to record the usage of the entire operating system. As a Linux Network Administrator, make full use of the following log files. 2.3.1/var/log/lastlog File Record the information of the user that finally enters the system, including the logon time, logon success or not. In this way, you only need to use the

Article Title: Linux System Log Management (redhat ). Linux is a technology channel of the IT lab in China. Includes basic categories such as desktop applications, Linux system management, kernel research, embedded systems, and open source. I. Functions of Linux system logs Logs are essential modules for any OS, application software, or service process. Logs Files play a major role in system and network security, as well as audit, tracking, and troubleshooting. Log files can be used to monitor s

preparation ), S (sleeping), I (idle ), Z (stiff), D (uninterrupted sleep, usually I/O ), P (waiting for the switch page ), W (out, indicating that the current page is not in memory ), N (low-priority tasks ), T (terminate termination ), W has no resident pages @ View disk capacity[Root@www.linuxidc.com/] # df-H.View system usersCat/etc/passwdAfter a new user is created, the user information will be added to the/etc/passwd file in the following format:[User name]: [password]: [UID]: [GID]: [ide

the message is sent .. Host name: the name of the computer on which the message is generated .. The name of the subsystem that generates the message. It can be "kernel", indicating the name of the message from the kernel or process, indicating the name of the program that sent the message .. The process PID is in square brackets .. Message: The content of the message. # Strings wtmp # ls # strings btmp view non-text log files. some log files are binary files and need to be read using the corres

Query who users currently logged on to the system[Root @ lyy ~] # WhoRoot tty1Root pts/0 (192.168.197.1)Login users in column 1Terminal name in column 2Column 3 Logon TimeQuery the lastlog of the last logon time of each user.[Root @ lyy ~] # LastlogUser name port from last login timeRoot pts/0 192.168.197.1 4. October 19:29:15 + 0800 2010Bin ** never logged on **Daemon ** never logged on **Pcca tty1 22:09:21 + 0800 2010Pcca1 tty1 22:09:26 + 0800 2010P

We know that in redhat, you can use lastlog to view the last logon information of each user, and use last to view the logon information of the specified user.View user login information:LastCommand detailsFunction Description: lists information related to users who have logged on to the system in the past.Syntax: last [-adRx] [-f Note: Execute the last command separately. It will read the file named wtmp in the/var/log directory, and display all the u

View Centos User Logon recordsFirst, we will briefly introduce the log files that record login information in Centos. Information about the current login user is recorded in the file utmp; logon entry and exit records are recorded in the file wtmp; you can use the lastlog command to view the last logon file. Data exchange, shutdown, and restart are also recorded in the wtmp file. All records contain timestamps.Each time a user logs on, the login progr

1 Last: Display user login information (/var/log/wtmp file)Options:-N recent times[Email protected] ~]# last[Email protected] ~]# last-202 Lastlog: Displays the last login information for each user[Email protected] ~]# Lastlog[Email protected] ~]# lastlog-u root #-u: Indicate specific user3 LASTB: Display error login information (/var/log/btmp file)[Email protect

1 displays a list of last logged-in user information, including (logon time, exit time, login IP): [Email protected] ~]$ lastRoot pts/1 192.168.1.3 Wed 22:08 still logged in Sywu pts/0 192.168.1.3 Wed 21:52 still logged in Reboot system boot 2.6.32-431.3.1.e Wed 21:51-22:12 (00:21) Root pts/0 192.168.1.3 Mon 23:03-down (00:11) Root tty1 Mon 22:48-down (00:26) Reboot system boot 2.6.32-431.3.1

the computer.cups/Access and error logs of the common UNIX Printing System (cups).FaillogDatabase file that contains all login failures. Use the Faillog command to view.The man 8 is faillog for the more information.FirewallFirewall logs.gdm/*Log files from the GNOME display manager.Krb5Log files from the Kerberos network authentication system.LastlogThe Lastlog file is a database which contains info at the last login to each user. UseThe command

("External storage dir not found"); First find the file File Weightlogfile = new file (Root,weightservice.logfilepath); if (!weightlogfile.exists ()) throw new Exception ("LogFile" "+weightlogfile+" ' not Found '); if (!weightlogfile.canread ()) throw new Exception ("LogFile" "+weightlogfile+" ' not readable '); Long modtime = weightlogfile.lastmodified (); if (modtime = = lastrecordfilemodtime) return lastlog; File exists, is readable, and

/var/log/lastlog //记录用户登陆信息/var/log/maillog //记录邮件情况/var/log/messages //记录内核、系统、程序等综合性情况/var/log/ntpstats/ //记录ntp时间同步信息/var/log/prelink/ //记录prelink程序工作情况（预链接工具）/var/log/wtmp //记录所有用户登陆成功的信息/var/log/sa/ //记录sar（性能统计工具，分析性能）情况/var/log/secure //记录hu安全认证情况（PAM认证）、一般记录密码情况/var/log/spooler //保存特殊文件的情况，并只记录crit级别日志/var/log/tallylog //记录pam认证相关内容/var/log/yum

@ View disk capacity[Root@www.linuxidc.com/] # df-H.View system usersCat/etc/passwdAfter a new user is created, the user information will be added to the/etc/passwd file in the following format:[User name]: [Password]: [UID]: [GID]: [identity description]: [main directory]: [Login Shell 〕The fields are divided into seven parts by the colon.Because the UID and GID smaller than 500 are generally retained by the system itself, there is no need to mark common users and groups,Therefore, newly added

Query who logged on to the system [root @ lyy ~] # Whoroottty12010-12-0919: 16 rootpts/02010-12-0919: 29 (192.168.197.1) first column login user second column terminal name third column login time query each user recent login time la... Query who users currently logged on to the system[Root @ lyy ~] # WhoRoot tty1Root pts/0 (192.168.197.1)Login users in column 1Terminal name in column 2Column 3 logon timeQuery the lastlog of the last logon time of eac