I got this error when using WSL ubuntu. It probably will not work via sudo, etc. Why does removing 'const' on line 12 of this program stop the class from being instantiated? How to rename a file based on a directory name? sudo in case you only have one account). It also forces userdel to remove the user's home directory and mail spool, even if another user uses the same home directory or if the mail spool is not owned by the specified user. Either run it as root, or run with "sudo usermod". How can I measure the actual memory usage of an application or process? It also forces deluser to remove the user's home directory and mail spool, even if another user uses the same home directory. To subscribe to this RSS feed, copy and paste this URL into your RSS reader. This command basically modifies the system account files, deleting all the entries which refer to the username LOGIN. , : In most Linux distributions, the user home and mail spool directories are not removed when removing a user account with userdel. How dry does a rock/metal vocal have to be during recording? Microsoft Azure joins Collectives on Stack Overflow. By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. $ sudo deluser --remove-all-files goober Looking for files to backup/remove . UNIX is a registered trademark of The Open Group. 4.useradd ok. showed up again. In algorithms for matrix multiplication (eg Strassen), why do we say n is equal to the number of rows and not the number of elements in both matrices? Is this variant of Exact Path Length Problem easy or NP Complete. An adverb which means "doing without understanding". First make sure you have the password of root (su), then you can stop the auto login by Site design / logo 2023 Stack Exchange Inc; user contributions licensed under CC BY-SA. It only takes a minute to sign up. I then read your posts and after 2 minutes I tried again the same command as before: This time it worked without problems. Start here for a quick overview of the site, Detailed answers to any questions you might have, Discuss the workings and policies of this site, Learn more about Stack Overflow the company, I'm not sure how having their password would help, but you can force-ably set their password with sudo passwd someuser, That doesn't log them out @virtualxtc But keep that as a comment here because that's still good to know. Switch to the root user: sudo su Use the userdel command to remove the old user: userdel user s username. rev2023.1.18.43170. To delete an user who has a running process, first you must kill that process. An adverb which means "doing without understanding". Unix & Linux Stack Exchange is a question and answer site for users of Linux, FreeBSD and other Un*x-like operating systems. Linux is a registered trademark of Linus Torvalds. How to see the number of layers currently selected in QGIS. How to automatically classify a sentence or text based on its context? If you want to remove the home directory's contents and the user's mail spool as well, simply type. What is a good way to change a group of users UIDs without usermod executing a time consuming chown on the user home directory? Letter of recommendation contains wrong name of journal, how will this hurt my application? This time with some process ID that currently seamed to be used by "username2delete". Is there a way I can log the user out directly? Linux is a registered trademark of Linus Torvalds. Not the answer you're looking for? Letter of recommendation contains wrong name of journal, how will this hurt my application? This works even when you do from remote, i.e., must log in as user x and sudo to root and then rename x to y. Give a user privileges to switch process UID, GID, What is the appropriate way to create a new user, switch to that user, then delete the old user, Meaning of "starred roof" in "Appointment With Love" by Sulamith Ish-kishor. Share Improve this answer Follow answered Nov 9, 2017 at 9:37 iamdual After doing above, close the 'Users Accounts' window and open it again in 'Systems Settings' If the above did not work run userdel [username]. You should not use this variable unless you really need it. I ended up doing reboot, I was wondering if there was a method that didn't involve reboot. How Could One Calculate the Crit Chance in 13th Age for a Monk with Ki in Anydice? When invoked, the command reads the content of the /etc/login.defs file. Would Marx consider salary workers to be members of the proleteriat? Now type root as the user, and the password for root. Asking for help, clarification, or responding to other answers. Stack Exchange network consists of 181 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers. How can citizens assist at an aircraft crash site? If a new process is created every time that you kill the process, you may want to look at the parent process (PPID in the ps -ef output). Why did OpenSSH create its own key format, and not use PKCS#8? How we determine type of filter with pole(s), zero(s)? to delete a user in linux, simply use the userdel command followed by the name of the user you are removing. directory or if the mail spool is not owned by the specified user. uid=1000(userA) gid=1000(userA) groups=1000(userA), (base) userB@server:~$ id userB You won't be able to delete a user with UID 0 using userdel command: $ sudo userdel john userdel: user john is currently used by process 1 To delete him, firstly open the /etc/passwd file and change his UID . Stack Exchange network consists of 181 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers. How to automatically classify a sentence or text based on its context? How were Acorn Archimedes used outside education? sudo su nohup kill 4220; sleep 2; usermod -d /home/user502home user502 & After you can connect to SSH again. name of the user. mike's solution works fine for me thanks and one more thing before doing this steps goto tty (ctrl + alt + f1). But this process probably is your SSH connection. Did Richard Feynman say that anyone who claims to understand quantum physics is lying or crazy? Understanding Userdel Command The [] ]*" -type f -user $1 -delete \; If set to yes, userdel will remove the user's group if it contains no more members, and useradd will create by default a group with the The -f option can force the deletion of this account. Change disk used by a long running process, Bash: Running a background service for the duration of another process. By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. Why did it take so long for Europeans to adopt the moldboard plow? This option forces the removal of the user, even if she is still logged in. So, in this case you need to run this commands on nohup. userC ran userdel. userdel - delete a user account and related files. Why did OpenSSH create its own key format, and not use PKCS#8? How to automatically classify a sentence or text based on its context? directory and mail spool, even if another user uses the same home I am trying to delete a user I created on ubuntu. Note: split groups may not be supported by all tools (even in the Shadow toolsuite). kill pid will give you that error message, while kill 1378 will just kill the process (if you are authorized to do that). I encountered the same problem when trying to delete a user that was logged in the first time I tried to delete it. The killall command is used if multiple processes are used by the user you want to delete. if you can't kill the process without it restarting, combine the command e.g. open PowerShell as admin and type these commands: Open graphical process manager as root To avoid How to navigate this scenerio regarding author order for a publication? Why does redirecting 'script' to /dev/null/ allow 'screen' to work while su'ed as another user? By clicking Post Your Answer, you agree to our terms of service, privacy policy and cookie policy. By clicking Post Your Answer, you agree to our terms of service, privacy policy and cookie policy. Browse other questions tagged, Where developers & technologists share private knowledge with coworkers, Reach developers & technologists worldwide, Thanks Skynet, I tried it but when I do this I get the following message:userdel: user cafe_fixer is currently used by process 15945 userdel: cannot open /etc/subuid, That did it. How were Acorn Archimedes used outside education? It also forces userdel to remove the user's home directory and mail spool, even if another user uses the same home directory or if the mail spool is not owned by the specified user.If USERGROUPS_ENAB is defined to yes in /etc/login.defs and if a group exists with the same name as the deleted . Solution was, first create the new user and add it to desired groups (ie. Microsoft Azure joins Collectives on Stack Overflow. I any case it does not tell me what was wrong, or how to fix it. Thanks for contributing an answer to Stack Overflow! How to tell if my LLC's registered agent has resigned? If you are in a TTY, then I'm guessing you have a situation like this: kali ~ $ su root root ~ # usermod -l newname kali usermod: user kali is currently used by process 823. The best answers are voted up and rise to the top, Not the answer you're looking for? Ask Question Asked 1 year ago Modified 1 year ago Viewed 314 times 0 When attempting to delete userA, userdel reported that userA is currently used by process 1296; however, ps reported that this process was running as userB. Now choose the process(es) that are not root Can state or city police officers enforce the FCC regulations? It also forces userdel to remove the user's home directory or her mail spool, even if another user uses the same home directory or if the mail spool is not owned by the specified user. rev2023.1.18.43170. Lets just use the same. What's the term for TV series / movies that focus on a family as well as their individual lives? (Basically Dog-people). Why is sending so few tanks Ukraine considered significant? You need to switch to another user with the sudo access. Stackhatter could have manually edited their /etc/passwd to have two users with the same UID, but in this case I am not able to replicate the original error message from the OP on my Alpine test VM, which is why I also asked for distro name and version. To subscribe to this RSS feed, copy and paste this URL into your RSS reader. Stack Exchange network consists of 181 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers. DO NOT do this - you will likely end up with an unusable system. "ERROR: column "a" does not exist" when referencing column alias, what's the difference between "the killing machine" and "the machine that's killing". And here is where my question comes from, I tried sudo kill 6415 but it doesn't work nor does it give me any error message. Then logout as current user that you want to delete, ssh again with new user and delete the old account. UNIX is a registered trademark of The Open Group. To learn more, see our tips on writing great answers. In case you are running on WSL (Windows Subsystem for Linux), Asking for help, clarification, or responding to other answers. : 6415 shows newuser is in a bash shell which makes sense since I logged in to the bash shell as newuser with su newuser. I really need to delete this user but I don't have their password, I have sudo password however. By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. The options which apply to the userdel command are: -f, --force. Note that you can also use F4, F5 and F6 to access tty4 to tty6 respectively. removed, even if it is still the primary group of another user. Is the rarity of dental sounds explained by babies not immediately having teeth? gitlabgit, user git is currently used by process 662, /var/opt/gitlab/, git, , After reboot, you would be asked to type in the password of "pi". The answers above are correct, I just want to give another option that may suits you better. Apanel will appear to the left after you press F9; it looks like this: By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. , : ps -lp 2104 will give you some information about what the process is. 1linuxrootrootuseradd fxc and userdel fxc, 2surootroot, 3 user xxx is currently used by process xxxuser1suuser1user1su rootrootuserdel user1rootuser1, ctrl+drootuser1ctrl+duser1rootctrl+duserdel user1, m0_59859083: When was the term directory replaced by folder? Ask Ubuntu is a question and answer site for Ubuntu users and developers. You must kill currently used process first. Making statements based on opinion; back them up with references or personal experience. Linux server 4.15.0-135-generic #139-Ubuntu SMP Mon Jan 18 17:38:24 UTC 2021 x86_64 x86_64 x86_64 GNU/Linux, (base) userB@server:~$ id userA I am trying to change the home directory of a user. Userdel command can be used to delete a user and related files in Linux. It is a low-level utility for removing the users. Change the username usermod -l newuser -d /home/newuser -m olduser Verify the username has changed by checking the folder name with new username in /home directory # id uid=0 (root) gid=0 (root) groups=0 (root) # userdel userdel: user user01 is currently used by process 1 All the processes are owned by user IDs and not user-names. What does "you better" mean in this context of conversation? Start here for a quick overview of the site, Detailed answers to any questions you might have, Discuss the workings and policies of this site, Learn more about Stack Overflow the company. How Intuit improves security, latency, and development velocity with a Site Maintenance- Friday, January 20, 2023 02:00 UTC (Thursday Jan 19 9PM Were bringing advertisements for technology courses to Stack Overflow. If you want to autologin your new account, edit the file: If you want back the ALT+F1 autologin, find and edit the file: You may want to do this via ssh. Solution was, first create the new user and add it to desired groups (ie. Unix & Linux Stack Exchange is a question and answer site for users of Linux, FreeBSD and other Un*x-like operating systems. Site design / logo 2023 Stack Exchange Inc; user contributions licensed under CC BY-SA. Your command initially fails because Linux tries to ensure that there will be no running processes with a user that does not exist anymore. Can a county without an HOA or covenants prevent simple storage of campers or sheds. Is the rarity of dental sounds explained by babies not immediately having teeth? - Nasir Riley Jan 11, 2021 at 2:23 I ran the commands but now a new pid is showing up as currently in use for user. In your case: If the user is logged in, that'll be their shell. ubuntu desktop) then you can simply follow these steps. Small notes I found while following your steps: A fresh install on my raspian had, raspberrypi.stackexchange.com/questions/3751/, Microsoft Azure joins Collectives on Stack Overflow. Note: This option (i.e. (thousands of lines of "/usr/sbin/deluser: Cannot handle special file /proc/*" Removing files . sudo pkill -u pi So, in this case you need to run this commands on nohup. How to terminate a python subprocess launched with shell=True, How to change the output color of echo in Linux. I want to delete a user, with a 'Standard' account type and 'No password set'. Making statements based on opinion; back them up with references or personal experience. To learn more, see our tips on writing great answers. I am trying to change my username, as per advice here however after running the following command: And the username stays the same. In your case: kill -9 1239 If the user is logged in, that'll be their shell. You can't delete a user that is logged in or that has processes running by other means. Why did it take so long for Europeans to adopt the moldboard plow? Are the models of infinitesimal analysis (philosophically) circular? I see in the answers above the creation of a new folder, copying everything. It also forces userdel to remove the user's home directory and mail spool, even if another user uses the same home directory or if the mail spool is not owned by the specified user. How could magic slowly be destroying the world? Did Richard Feynman say that anyone who claims to understand quantum physics is lying or crazy? chfn(1), chsh(1), passwd(1), login.defs(5), gpasswd(8), groupadd(8), groupdel(8), groupmod(8), Making statements based on opinion; back them up with references or personal experience. You want to adapt also the main group from, You want other things to work out like sudo and auto-login, If you see the graphical login prompt, you are good. In algorithms for matrix multiplication (eg Strassen), why do we say n is equal to the number of rows and not the number of elements in both matrices? How can citizens assist at an aircraft crash site? I think that you should run the command with another user. 1rootroot, Thanks, I just like to have a clean system and the unused user for some reason bothers me, but i'll just leave it. The following is recommend procedure to delete a user from the Linux server. Why is sending so few tanks Ukraine considered significant? As I am new to the Raspberry pi (I got mine 2 days ago), I may find other adjusts I left out and I will edit this answer again. 2 Ensure that the user is logged out of any active sessions. Asking for help, clarification, or responding to other answers. I cannot change my own uid. Connect and share knowledge within a single location that is structured and easy to search. Could not chdir to home directory /home/user: Permission denied. CTRL+d, 1.1:1 2.VIPC, userdel: user xxx is currently used by process xxx . I want to change the default username (pi) to something, I tried. I hope you don't want to delete a system user. userdel command in Linux system is used to delete a user account and related . Read man at, and using the full path for usermod (type -p usermod): Then, quickly logoff, wait 7 minutes, and logon. Use this option in combination with -d (modify the user main directory, where there user ). When was the term directory replaced by folder? I had the same problem here and I tried to kill the process one by one but I just cannnot kill them all. How do I profile C++ code running on Linux? only users with the proper permissions may remove other users. Now all process that "pi" is using would be killed, you can change the name of user "pi" now. After some research, this process can be an reoccurring error in Ubuntu and you only need to restart the system and it will go away. and follow the steps given by mike. Note 4: Be advised, after doing that, the standard configuration tool stops working. List of resources for halachot concerning celiac disease, How Could One Calculate the Crit Chance in 13th Age for a Monk with Ki in Anydice? Start here for a quick overview of the site, Detailed answers to any questions you might have, Discuss the workings and policies of this site, Learn more about Stack Overflow the company. Then I login to the foo account and execute usermod -g MYOWNGID mylogin. To learn more, see our tips on writing great answers. The command below will attempt to change username: Note: so uh how do you change your user id if you're the only account on the system? (Basically Dog-people). Which command will delete a user? Site design / logo 2023 Stack Exchange Inc; user contributions licensed under CC BY-SA. Connect and share knowledge within a single location that is structured and easy to search. 3.userdel -f . Server Fault is a question and answer site for system and network administrators. In this case, you are logged in as kali, then kali owns a terminal which is logged in by root. Now you can use chmod from the new_user account that you have just created. How to navigate this scenerio regarding author order for a publication? Not the answer you're looking for? To learn more, see our tips on writing great answers. Indefinite article before noun starting with "the". If that fails contact the user, or kill -9 1378. useradd(8), usermod(8). How were Acorn Archimedes used outside education? Sometimes that can clear something and get it back working. uid=000000(userB) gid=000000(userB) groups=000000(userB),00(sudo),000(lxd),000(libvirt),0000000(groupB),00000(groupB). Check with ps -u pi to see an empty list. To delete an user who has a running process, first you must kill that process. The best answers are voted up and rise to the top, Not the answer you're looking for? I found a much easier solution: Wouldnt CommandPrompt be just asgood? I try to kill pid 1378 but get bash: kill: pid: arguments must be process or job IDs. Installing Raspbian from NOOBS without display V2.1 and beyond, How to create a user with "userconf.txt" but disable auto-login, Two parallel diagonal lines on a Schengen passport stamp, Poisson regression with constraint on the coefficients of two variables be the same. Log in as root, then open terminal and run, kill -9 -u [old_username] && username -l [old_username] [new_username]. rev2023.1.18.43170. Click "Family & other users" in the left pane on the Accounts screen. By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. When was the term directory replaced by folder? Can I (an EU citizen) live in the US if I marry a US citizen? Please. To subscribe to this RSS feed, copy and paste this URL into your RSS reader. Installing a new lighting circuit with the switch in a weird place-- is it correct? The return code of the script is not taken into account. Avoiding alpha gaming when not alpha gaming gets PCs into trouble. This method would leave behind the user's home directory and everything inside intact. Connect and share knowledge within a single location that is structured and easy to search. How can we cool a computer connected on top of or within a human brain? Connect and share knowledge within a single location that is structured and easy to search. This feature (split group) permits to limit the length of lines in the group file. Making statements based on opinion; back them up with references or personal experience. If user xxx is currently u sed by process xxx user 1su user 1 user 1su rootroot userdel user 1 root user 1 ctrl+d ctrl+droot user 1ctrl+d user 1 userdel: user xxx is currently u sed by process xxx 1+ How to create a sudo user that cannot delete me? OR set the date on which the user account will be disabled (syntax is usermod --expiredate YYYY-MM-DD userNameHere ): # usermod --expiredate 1 vivek. How to automatically classify a sentence or text based on its context? The options which apply to the userdel command are: Tag. If you are trying to do that on your own computer, I recommend you log in to a different tty as root and delete the desired user from there. How can citizens assist at an aircraft crash site? This is mainly a problem with Ubutu where you don't have a root account to login from the first place. Microsoft Azure joins Collectives on Stack Overflow. To remove a user in linux, just follow these 3 steps: first, make sure you're logged in as root user or another user with sudo access. exist. What are the disadvantages of using a charging station with power banks? (the ones you want to change username) and Description. sudo in case you only have one account). Thanks for contributing an answer to Unix & Linux Stack Exchange! Thanks for contributing an answer to Unix & Linux Stack Exchange! If you turned on auto login option, you need to disable that option and reboot then login to new_user created. By clicking Post Your Answer, you agree to our terms of service, privacy policy and cookie policy. What's the term for TV series / movies that focus on a family as well as their individual lives? See man page for more information. Site design / logo 2023 Stack Exchange Inc; user contributions licensed under CC BY-SA. Login with root, or other user, and try again. If you ps -ef --forest this situation it would look something like this: i'm assuming the case when you can't log in directly as root (e.g. There was no reboot necessary nor a forced deluser. After you have done it, undo this changes as they are too dangerous to let that way. To get root, we can use su - followed by the root password, sudo <command> or sudo -i followed by the user's password if he has sudoers rights. Click on the account you want to delete. userdel: user newuser is currently used by process 6415 p.s. How can I delete it? This must be performed on the NIS server. Microsoft Azure joins Collectives on Stack Overflow. Here is an example script, which removes the user's cron, at and print jobs: # Remove at jobs. Very carefully, key by key, type usermod -l mypie pi. Subject: sddm: purging fails because of deluser/userdel (sddm is currently used by a process) Date: Wed, 1 Feb 2017 13:31:38 +0100 Package: sddm Version: 0.14.0-1 Severity: serious Dear Maintainer, here is the problem: # apt purge sddm sddm-theme-breeze Reading package lists. Looking to protect enchantment in Mono Black, Is this variant of Exact Path Length Problem easy or NP Complete. Connect and share knowledge within a single location that is structured and easy to search. Thanks for the help! Of course, if you have other services still running under old user you will need to close those as well. rev2023.1.18.43170. replace "distributionname" with name of the Linux distro, replace "newusername" with what you want and "oldusername" with current username. The best answers are voted up and rise to the top, Not the answer you're looking for? An improvement on the top answer: you can use fuser to kill processes which are using your home directory without having to track down the pid. u by. Note 1: This is a guide, and the content deals with very dangerous commands. Connect and share knowledge within a single location that is structured and easy to search. However, the Xiaoming user is still occupied by a process, so the process does not die and the user does not del. Is there another way to modify the root account or disable this and create a new root account? Thanks for contributing an answer to Server Fault! Killing it will force the user to log out.
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