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How can I see lastlog?

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How can I see lastlog?

In order to find last login times for all users on your Linux machine, you can use the “lastlog” command with no options. By default, you will be presented with the list of all users with their last login attempts. Alternatively, you can use the “-u” option for “user” and specify the user you are looking for.

How do I see who is logged in Solaris?

The w command displays a summary of the current activity on the system, including what each user is doing. The heading line shows the current time, the length of time the system has been up, the number of users logged into the system, and the average number of jobs in the run queue over the last 1, 5 and 15 minutes.

What is Varlog lastlog?

/var/log/lastlog is a binary file that holds information about the last time that users logged in to the system. The lastlog file contains information about the last time a user has logged into the system.

How do I open an old Wtmp file in Linux?

2 Answers. Presumably your wtmp file has been rotated, so try last -f /var/log/wtmp. 1 or last -f /var/log/wtmp. 0 to read the previous files.

How can I tell when Windows 10 last logged on?

How to see who logged into Windows 10

  1. Open Start.
  2. Search for Event Viewer, click the top result to launch the experience.
  3. Browse the following path: Event Viewer > Windows Logs > Security.
  4. Double-click the event with the 4624 ID number, which indicates a successful sign-in event.

How do I lock a user in Solaris?

Solaris: How to lock / unclock user account

  1. Lock user ID : # passwd -l username.
  2. Unlock user ID : # passwd -d username.
  3. Unlock user ID and force user to enter new password : # passwd -df username. Note: This will unlock the user id, and force the user to enter a new password at next login. Related Posts:

How do you unlock a user in Solaris?

Why is lastlog so large?

Answer. The file is a sparse file and is not actually taking up as much physical space as it shows. lastlog records the last login of each user. The large size merely shows you the potential size of the file if there were a maximum amount of users (around 2^32 users).

Can we delete lastlog?

Task: Clear last login information by deleting /var/log/lastlog. Press CTR+D to save the changes.

How do I read a wtmp file in Solaris?

We can also use the last command to read the content of the files wtmp, utmp and btmp as well. For example: # last -f /var/log/wtmp ### To open wtmp file and view its content use blow command. # last -f /var/run/utmp ### To see still logged in users view utmp file use last command.

How many Solaris 10 patches were released on April 17?

On Tuesday April 17 we released the first batch of Solaris 10 patches & patchsets under Solaris 10 Extended Support. There were a total of 24 Solaris 10 patches, including kernel updates, and 4 patchsets released on MOS!

What information is in the lastlog file?

Each record in the lastlog file contains the date and time of the most recent login, followed by the pseudo-terminal associated with that login and the identity of the system that the user logged in from. The record for root (UID 0) at the top of the file might look like this:

Is there an Oracle equivalent of the Solaris lastlog table?

The Solaris table that is directly equivalent is /var/adm/lastlog, which is not mentioned in Oracle doco. There is no program supplied for reading it. However, there was (until the software died at Oracle) a third party lastlog program written by Richard Hamilton available.

How long will Solaris 10 extended support be available?

Solaris 10 Extended Support will run thru January 2021. Scott Lynn put together a very informative Blog on Solaris 10 Extended Support detailing the benefits that customers can get by purchasing Extended Support for Solaris 10 – see https://blogs.oracle.com/solaris/oracle-solaris-10-support-explained.

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Common questions

How can I see Lastlog?

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How can I see Lastlog?

In order to find last login times for all users on your Linux machine, you can use the “lastlog” command with no options. By default, you will be presented with the list of all users with their last login attempts. Alternatively, you can use the “-u” option for “user” and specify the user you are looking for.

How to find last login in solaris?

In the directory /var/adm/acct/sum you will find a file called loginlog. This file record the last date each user logged in and is created by the lastlogin script.

How to check login logs in solaris?

How to log SSH login attempts to a file in Solaris

  1. To log ssh authentication to the messages file, add the following entry to the /etc/syslog.conf file: auth.info /var/adm/messages.
  2. Restart the syslog daemon: In Solaris 10 and above:
  3. Edit the /etc/ssh/sshd_config file.
  4. Restart the sshd daemon.

What is lastlog in Linux?

lastlog is a program available on most Linux distributions. It formats and prints the contents of the last login log file, /var/log/lastlog (which is a usually a very sparse file), including the login name, port, and last login date and time.

What is Authlog?

DESCRIPTION. The AuthLog file records a trace of Authentication Server (kaserver process) operations on the local machine and describes any error conditions it encounters.

Why is lastlog a sparse file?

The lastlog file is a sparse file, which means that the apparent size reported by “ls -l” is larger than the actual disk usage of the file(du), because not all blocks in the file are allocated on disk. The full block size is written to disk as the actual size only when the block contains “real” (non-empty) data.

What does lastlog do in Linux?

What is the lastlog file in Linux?

The lastlog file is a database which contains info on the last login of each user. You should not rotate it. It is a sparse file, so its size on the disk is usually much smaller than the one shown by ” ls -l ” (which can indicate a really big file if you have in passwd users with a high UID).

Is there an Oracle equivalent of the Solaris lastlog table?

The Solaris table that is directly equivalent is /var/adm/lastlog, which is not mentioned in Oracle doco. There is no program supplied for reading it. However, there was (until the software died at Oracle) a third party lastlog program written by Richard Hamilton available.

Can I rotate the lastlog file?

The lastlog file is a database which contains info on the last login of each user. You should not rotate it. It is a sparse file, so its size on the disk is usually much smaller than the one shown by “ls -l” (which can indicate a really big file if you have in passwd users with a high UID).

What is the Solaris equivalent of the login log table?

The Solaris table that is not quite equivalent is /var/adm/acct/sum/loginlog. This is not directly populated by the login program as logins happen, and there is no directly equivalent program for reporting on it. It is associated with a lastlogin command; however, that is quite different to the aforementioned command by that name.

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