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Linux Remove or Clear the Last Login Information - nixCraft
- https://www.cyberciti.biz/faq/howto-display-clear-last-login-information/
- The /var/log/lastlog file stores user last login information. This is binary file and act as database times of previous user logins. You need to use lastlog command to formats and prints the contents of the last login log /var/log/lastlog file. This page explains how to clear or erase last login records on Linux based systems. ADVERTISEMENT
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How To Clear Shell History In Ubuntu Linux - nixCraft
- https://www.cyberciti.biz/faq/clear-the-shell-history-in-ubuntu-linux/
- How to clear bash shell history command. The procedure to delete terminal command history are as follows on Ubuntu: Open the terminal application. Type the following command to to clear bash history completely: history -c. Another option to remove terminal history in Ubuntu: unset HISTFILE. Log out and login again to test changes.
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Delete logon history on Linux - LINUXMAKER
- https://www.linuxmaker.com/en/tutorials/delete-logon-history-on-linux.html
- As shown in the table, the information about the most recently logged in users, including failed logon attempts, is stored in specific binaries that root can not handle, but can be easily deleted. Thus, the information can be easily removed by deleting the files as follows. # echo > /var/log/wtmp # echo > /var/log/btmp # echo > /var/log/lastlog
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Roadmap - Proxmox Mail Gateway
- https://pmg.proxmox.com/wiki/index.php/Roadmap
- Release History. / Proxmox Mail Gateway shares the kernel with Proxmox VE and is based on the 5.4 series from Ubuntu 20.04. / Quarantine Link via login page. / [..] the clear over the [..]
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HowTo: Clear or Remove Last Login History in Linux ...
- https://www.shellhacks.com/clear-remove-last-login-history-linux/
- And sometimes, to keep anonymity, it is required to erase last login history. To check the last login history, including the history of login attempts that failed, run one of the commands from the table below. Remove Information About Last Logins You already how to check the last login history in Linux, so now it is time to learn how to clear it.
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log - How to see Login history? - Ask Ubuntu
- https://askubuntu.com/questions/390201/how-to-see-login-history
- Command to print successful login history: sudo grep 'login keyring' /var/log/auth.log | grep -v "sudo". Example output line: Feb 18 07:17:58 comp-name-1 compiz: gkr-pam: unlocked login keyring. Probably it shows only logins after last reboot. Sudo is excluded because otherwise our own command would be also listed. -
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How To Clear Shell History In Ubuntu Linux ? - Lynxbee
- https://lynxbee.com/how-to-clear-shell-history-in-ubuntu-linux/
- You can use only "history" without "tail" to see all the complete history. Clearing history The easiest way to clear history is to use "history -c" command for the current terminal. This command only clears history of current terminal and if you close the terminal and start again, you will see the last saved history from "~/.bash_history" file.
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How to Check Linux Login History - Linux Handbook
- https://linuxhandbook.com/linux-login-history/
- Last command gives you the option to display only certain number of login history. last -N Just replace N with the number you want. You can also combine it with the username. 5. View all the bad login attempts on your Linux server Now comes the important part: checking the bad login attempts on your server. You can do that in two ways.
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Stallman Under Fire for Views on Epstein | Tux Machines
- http://www.tuxmachines.org/node/128122
- OMG! Ubuntu!
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How do I SSH and remove all previous SSH activity history ...
- https://askubuntu.com/questions/57611/how-do-i-ssh-and-remove-all-previous-ssh-activity-history
- Depending on the log level it logs to /var/log/syslog (default) and/or /var/log/auth.log (loglevel 'verbose' contains ssh login attempts). If present /var/log/secure also contains an access log. You will need root / sudo access to edit any of these files: they will be word-readable but not world-editable. Next to that.
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How to Clear Linux Command Line History - LinOxide
- https://linoxide.com/how-to-delete-history-linux/
- $ history -c $ history -w $ exit After login again, let's us check our history $ history 1 history -w 2 exit 3 history You can see that our history begin at history -w entry command. b. Delete a single command You can delete the history's entries which you don't want with the -d option. This will delete the history entry at position offset.
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14.04 - How to delete History in terminal - Ask Ubuntu
- https://askubuntu.com/questions/704894/how-to-delete-history-in-terminal
- cat /dev/null > ~/.bash_history && history -c && exit You must use history -c because the history will come back after re-login. The history entries have a copy in the memory and it will flush back to the file when you log out. /dev/null is a special system file that its content is null.
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Turn off or limit file history tracking - Ubuntu
- https://help.ubuntu.com/stable/ubuntu-help/privacy-history-recent-off.html.en
- Click on Privacy to open the panel. Click File History & Trash in the sidebar to open the panel. Ensure the File History switch is set to on. Under File History Duration, select how long to retain your file history. Choose from options 1 day, 7 days, 30 days, or Forever. Use the Clear History… button to purge the history immediately.
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Enable/Disable Last Login Message on Linux using hushlogin ...
- https://linuxconfig.org/how-to-disable-last-login-message-on-rhel-linux
- The above will clear all last login information. To make the change permanent disable write access to this file: # chattr +i /var/log/lastlog Optionally you can clear all login and bad login attempts information which is displayed by use of last and lastb commands. To do so run: # >/var/log/wtmp # >/var/log/btmp
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Delete last N lines from bash history - Unix & Linux Stack ...
- https://unix.stackexchange.com/questions/65075/delete-last-n-lines-from-bash-history
- Options: -c clear the history list by deleting all of the entries -d offset delete the history entry at position OFFSET. Negative offsets count back from the end of the history list -a append history lines from this session to the history file ... E.g. history -d 2031-2034 deletes four lines at once.
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How to Clear Apt Cache on Ubuntu and Free Crucial Disk Space
- https://itsfoss.com/clear-apt-cache/
- If you want to clear the apt cache, there is a dedicated command to do that. So don't go about manually deleting the cache directory. You may think it is apt-cache command but that's deceiving. Simply use the apt-get command with clean as argument: sudo apt-get clean. This will remove the content of the /var/cache/apt/archives directory ...
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How to Clear Terminal Screen in Ubuntu and Other Linux
- https://itsfoss.com/clear-terminal-ubuntu/
- Clear command is not the only way to clear the terminal screen. You can use Ctrl+L keyboard shortcut in Linux to clear the screen. It works in most terminal emulators. Ctrl+L. If you use Ctrl+L and clear command in GNOME terminal (default in Ubuntu), you'll notice the difference between their impact.
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How to delete user on Ubuntu - Linux Tutorials - Learn ...
- https://linuxconfig.org/how-to-delete-user-on-ubuntu
- Managing user accounts on Ubuntu Linux may involve listing the users on a system, creating a new user, or disabling a user account.Other times, you may need to delete a user account entirely, which is what we'll be covering in this guide. It's possible to delete a user account from an Ubuntu system via either command line or GUI. The command line method will work on any system, but the GUI ...
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How to delete a user account on Ubuntu Linux - nixCraft
- https://www.cyberciti.biz/faq/delete-a-user-account-on-ubuntu-linux/
- $ sudo tail -f /var/log/auth.log $ sudo grep 'userdel' /var/log/auth.log $ sudo grep 'ubuntu' /var/log/auth.log Removing a user account and see log of deleted user account on Ubuntu with grep Conclusion You learned about deleting a user account on Ubuntu Linux when you no longer need them.
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Linux: Prevent From Using Or Reuse Same Old ... - nixCraft
- https://www.cyberciti.biz/tips/how-to-linux-prevent-the-reuse-of-old-passwords.html
- PAM is a flexible mechanism for authenticating users. For example, you do not allow users to reuse recent passwords. This can be accomplished by using the remember option for the pam_unix or pam_unix2 (part of certain enterprise distro) PAM module. In this quick, blog post I am going to explain how to restrict use of previous passwords using pam_unix.so.
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bash - How do I clear the terminal History? - Unix & Linux ...
- https://unix.stackexchange.com/questions/203290/how-do-i-clear-the-terminal-history
- The above commands "will" clear the history from the terminal but when I exit and bring up a new one all my previous history is still there and can all be listed again using the - history command and also by pressing the UP arrow on my keyboard. I do not want this to happen until I have totally cleared my history, then I want to continue using it.
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How to effectively clear your bash history | TechRepublic
- https://www.techrepublic.com/article/how-to-effectively-clear-your-bash-history/
- Let's say you want to clear the .bash_history file for user olivia (who administers your Linux server) at 11:00 p.m. every day. You would create a cron job under the olivia account. You would ...
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Linux - Reset password expiration, age and history - Linux ...
- https://linuxconfig.org/linux-reset-password-expiration-age-and-history
- Add the -M option to your command, and specify the length of time, in days, when a user's password should expire. The following example will make user "linuxconfig" password expire 30 days from now. $ sudo chage -M 30 linuxconfig We can also choose a day for the password to expire by using the -E option and specifying the date in a YYYY-MM-DD format.
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How to Clean Your Ubuntu Machine - W3docs
- https://www.w3docs.com/snippets/linux/how-to-clean-your-ubuntu-machine.html
- Ubuntu keeps them in your /var/cache/apt/archives directory. Check the size of the APT cache on your system: sudo du -sh /var/cache/apt. Clear this cache entirely with this command: sudo apt-get clean. Or, you can also clean up only absolutely not necessary packages that can't be found in the repositories any more, or they have new versions ...
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linux - How to delete history of last 10 commands in shell ...
- https://stackoverflow.com/questions/14750650/how-to-delete-history-of-last-10-commands-in-shell
- First, type: history and write down the sequence of line numbers you want to remove. To clear lines from let's say line 1800 to 1815 write the following in terminal: If you want to delete the history for the deletion command, add +1 for 1815 = 1816 and history for that sequence + the deletion command will be deleted.
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I want to delete the saved usernames that are wrong and in ...
- https://support.mozilla.org/en-US/questions/1054655
- To clear the username Press ALT on your keyboard to show the menu bar. In the menu bar, click History>Clear Recent History. In the Clear Recent History window, select "Everything" next to Time Range To Clear. Click "Details" if the expanded view is not shown. Uncheck everything except for Form & Search History. Click the "Clear Now" button.
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Linux Last Command with Examples - LinOxide
- https://linoxide.com/linux-last-command/
- Clear last command history. As we know that it writes to wtmp, so if we want to delete last history, then we can do it via #> /var/log/wtmp Or #> /var/log/lastlog Conclusion. In this tutorial, we learned how to use last command in Linux to check logs from wtmp file. For more detail, please visit last manual page by typing man last on your console.
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clear history "last" command - LinuxQuestions.org
- https://www.linuxquestions.org/questions/linux-newbie-8/clear-history-last-command-359344/
- To Clear last login information Simply overwrite /var/log/lastlog file. You must be the root user. First make a backup of /var/log/lastlog: # cp /var/log/lastlog /root Now overwrite file using any one of the following command: # >/var/log/lastlog OR # cat > /var/log/lastlog Press CTR+D OR # vi /var/log/lastlog delete the contents of file and # :wq
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