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. userdel command in Linux system is used to delete a user account and related files. It also forces userdel to remove the user's home To subscribe to this RSS feed, copy and paste this URL into your RSS reader. Don't forget to chdir / before, because this command will also remove home directory. Share Improve this answer Follow answered May 9, 2020 at 0:07 Ron So, in this case you need to run this commands on nohup. (If It Is At All Possible), Card trick: guessing the suit if you see the remaining three cards (important is that you can't move or turn the cards). When I attempt to do make that happen manually with useradd, I get an error that the UID is already in use. to delete a user in linux, simply use the userdel command followed by the name of the user you are removing. After you have done it, undo this changes as they are too dangerous to let that way. Asking for help, clarification, or responding to other answers. Trying to match up a new seat for my bicycle and having difficulty finding one that will work. The error message will give you a process ID (PID). Then I login to the foo account and execute usermod -g MYOWNGID mylogin. An adverb which means "doing without understanding". So this create a contradiction: I am a user in the sudoer group. Kyber and Dilithium explained to primary school students? That is the most likely suspect that creates the new processes (unless ppid==1; then you need to investigate further). How many grandchildren does Joe Biden have? Making statements based on opinion; back them up with references or personal experience. Please confirm that it works in the comments. This option forces the removal of the user account, even if the user is still logged in. This will change your username, from /etc/passwd file, but things are not ready yet. UNIX is a registered trademark of The Open Group. Lets just use the same. I want to delete a user, with a 'Standard' account type and 'No password set'. Argument list too long error for rm, cp, mv commands. No need. First use pkill or kill -9 to kill the process. Browse other questions tagged, Where developers & technologists share private knowledge with coworkers, Reach developers & technologists worldwide, One route: you can manually mv the directory and manually update the directory path in /etc/passwd. 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 . To learn more, see our tips on writing great answers. Making statements based on opinion; back them up with references or personal experience. I try to kill pid 1378 but get bash: kill: pid: arguments must be process or job IDs. Christian Science Monitor: a socially acceptable source among conservative Christians? sudo pkill -u pi Raspberry Pi Stack Exchange is a question and answer site for users and developers of hardware and software for Raspberry Pi. Unix & Linux Stack Exchange is a question and answer site for users of Linux, FreeBSD and other Un*x-like operating systems. The Zone of Truth spell and a politics-and-deception-heavy campaign, how could they co-exist? 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 Did Richard Feynman say that anyone who claims to understand quantum physics is lying or crazy? - powerhousemethod Jan 11, 2021 at 2:17 1 If the user isn't logged in, then pkill -u username and then run the usermod command. Unix & Linux Stack Exchange is a question and answer site for users of Linux, FreeBSD and other Un*x-like operating systems. Read man at, and using the full path for usermod (type -p usermod): Then, quickly logoff, wait 7 minutes, and logon. 1linuxrootrootuseradd fxc and userdel fxc2surootroot3 user xxx is currently used ctrl + D , 1linuxrootroot, To subscribe to this RSS feed, copy and paste this URL into your RSS reader. userdel - delete a user account and related files. The command below will attempt to change username: Note: Can I (an EU citizen) live in the US if I marry a US citizen? The best answers are voted up and rise to the top, Not the answer you're looking for? How to delete user from all secondary groups in FreeBSD? Note 4: Be advised, after doing that, the standard configuration tool stops working. Why is sending so few tanks Ukraine considered significant? We are going through the whole process to see what happens after we run userdel command. 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. Making statements based on opinion; back them up with references or personal experience. I tried pkill -STOP -u user but still get process 8009 in user by the user. I encountered the same problem when trying to delete a user that was logged in the first time I tried to delete it. How to automatically classify a sentence or text based on its context? If you are in the x window with the user that you want to change, sounds logical that the commands fails. Asking for help, clarification, or responding to other answers. By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. groupdel"test1". , : # even if it was shared by a different username. (Basically Dog-people). When you kill this process, the other one runs again. to avoid starting normal (non-root) processes: Note: change "distributionname" to your target distro, example: ubuntu-20.04. How Intuit improves security, latency, and development velocity with a Site Maintenance- Friday, January 20, 2023 02:00 UTC (Thursday Jan 19 9PM How do we want to handle AI-generated answers? Description. Connect and share knowledge within a single location that is structured and easy to search. userC ran userdel. But this process probably is your SSH connection. Is the rarity of dental sounds explained by babies not immediately having teeth? 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. # 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. Login as "root" after boot up -> This will allow ubuntu not to generate any process for current user. How to translate the names of the Proto-Indo-European gods and goddesses into Latin? How were Acorn Archimedes used outside education? The -f option can force the deletion of this group. Click "Family & other users" in the left pane on the Accounts screen. It only takes a minute to sign up. Note that using F1 will return to the currently logged in user's login screen and F2 would return you to the grphical user session you may have logged in to. How were Acorn Archimedes used outside education? Options. 78,852 Related videos on Youtube At this time, we go back to the root user and use the (If It Is At All Possible). So, All process owned by root will be owned by root equivalent user, as they have same UID. If that fails contact the user, or kill -9 1378. I found a much easier solution: 1linuxrootrootuseradd fxc and userdel fxc, 2surootroot, 3 user xxx is currently used by process xxxuser1suuser1user1su rootrootuserdel user1rootuser1, ctrl+drootuser1ctrl+duser1rootctrl+duserdel user1, m0_59859083: Making statements based on opinion; back them up with references or personal experience. But this process probably is your SSH connection. You should not use this variable unless you really need it. Solution was, first create the new user and add it to desired groups (ie. Complete example to remove user account from Linux. systemd is keeping the account alive in some way that I don't understand. How can I measure the actual memory usage of an application or process? To learn more, see our tips on writing great answers. You can't delete a user that is logged in or that has processes running by other means. 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. Meaning of "starred roof" in "Appointment With Love" by Sulamith Ish-kishor. how to prevent access to other user with same user id (UID). See the description here: https://askubuntu.com/a/34075/112715. This feature (split group) permits to limit the length of lines in the group file. Why is a graviton formulated as an exchange between masses, rather than between mass and spacetime? Letter of recommendation contains wrong name of journal, how will this hurt my application? gitlabgit, user git is currently used by process 662, /var/opt/gitlab/, git, , How many grandchildren does Joe Biden have? How to delete a user currently used by process? only users with the proper permissions may remove other users. # userdel remove sagar or # userdel r sagar when a user is removed with userdel without the r option specified, the system will have files that are owned by an unassigned user id number. Note 2: There might be more things to change. Of course, if you have other services still running under old user you will need to close those as well. Press Ctrl + LAlt + F3 to log in to tty3. Installing a new lighting circuit with the switch in a weird place-- is it correct? additionally might need to delete the previous user old directories like, (1)Note that the question wasnt actually about WSL. 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. linuxsu rootroot, UNIX is a registered trademark of The Open Group. Don't forget to, This worked for me but I need an additional, How can I delete a user in linux when the system says its currently used in a process [closed], a specific programming problem, a software algorithm, or software tools primarily used by programmers, Microsoft Azure joins Collectives on Stack Overflow. You should manually check all file systems to ensure that no files remain owned by this user. Linux is a registered trademark of Linus Torvalds. Why is 51.8 inclination standard for Soyuz? Why did it take so long for Europeans to adopt the moldboard plow? Thanks, I just like to have a clean system and the unused user for some reason bothers me, but i'll just leave it. linux / unix . guzhangrootguzhang, 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. 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. By clicking Post Your Answer, you agree to our terms of service, privacy policy and cookie policy. -f, --force: This option forces the removal of the user account, even if the user is still logged in. 3,kill -9 2. userdel and deluser On a typical Linux system, the are two shell tools that are responsible for deleting a user, userdel, and deluser. (3)Inmy opinion, making your, Your answer could be improved with additional supporting information. Here is an example script, which removes the user's cron, at and print jobs: # Remove at jobs. What does and doesn't count as "mitigating" a time oracle's curse? If How Could One Calculate the Crit Chance in 13th Age for a Monk with Ki in Anydice? Looking to protect enchantment in Mono Black, Is this variant of Exact Path Length Problem easy or NP Complete. I am trying to change my username, as per advice here however after running the following command: And the username stays the same. What does "you better" mean in this context of conversation? like "usermod: user is currently running used by process ". Are the models of infinitesimal analysis (philosophically) circular? Connect and share knowledge within a single location that is structured and easy to search. How can citizens assist at an aircraft crash site? To subscribe to this RSS feed, copy and paste this URL into your RSS reader. https://stackoverflow.com/questions/28103045/how-can-i-d, 1rootlinuxrootroot How to delete a user currently used by process? I got this error when using WSL ubuntu. I ended up doing reboot, I was wondering if there was a method that didn't involve reboot. (Basically Dog-people). sudo su nohup kill 4220; sleep 2; usermod -d /home/user502home user502 & After you can connect to SSH again. So, you need to make sure the user you're renaming is not logged in. Installing a new lighting circuit with the switch in a weird place-- is it correct? As I am assuming a brand new raspberry pi, there is not much to backup anyway. 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. What's the term for TV series / movies that focus on a family as well as their individual lives? Ubuntu and the circle of friends logo are trade marks of Canonical Limited and are used under licence. Did Richard Feynman say that anyone who claims to understand quantum physics is lying or crazy? Killing it will force the user to log out. Can I (an EU citizen) live in the US if I marry a US citizen? The options which apply to the userdel command are: -f, --force. It only takes a minute to sign up. To me, waiting a few seconds was the solution: As I mentioned, the first attempt to delete the user failed for it was still logged in. Connect and share knowledge within a single location that is structured and easy to search. But well, this way here is far easier anyway, so here you go: a new pi with just your username as UID 1000 (and all the good stuff in your home). I don't know if my step-son hates me, is scared of me, or likes me? Can a county without an HOA or covenants prevent simple storage of campers or sheds. Unable to change username ("user is currently used by process "), How to give user access to specific folder in home directory, Changing hostname reboot reverts back to original. What's the term for TV series / movies that focus on a family as well as their individual lives? Change disk used by a long running process, Bash: Running a background service for the duration of another process. Why is systemd stopping service immediately after it is started? I any case it does not tell me what was wrong, or how to fix it. Now all process that "pi" is using would be killed, you can change the name of user "pi" now. @RichardFrank is your solution intended to address this? But if you adapt it to another situation, be advised. NB: The number of 0s reflects the number of digits in the number. The mail spool is defined by the MAIL_DIR variable in the login.defs file. Note 1: This is a guide, and the content deals with very dangerous commands. exist. How can citizens assist at an aircraft crash site? In this case, you are logged in as kali, then kali owns a terminal which is logged in by root. Why does secondary surveillance radar use a different antenna design than primary radar? Rather than hand-editing the files you know about (bad), or opening up a root password (very bad), simply use at. Site Maintenance- Friday, January 20, 2023 02:00 UTC (Thursday Jan 19 9PM root /usr/local/bin . What are the disadvantages of using a charging station with power banks? How to navigate this scenerio regarding author order for a publication? It probably will not work via sudo, etc. userdel -f cafe_fixer According to userdel man page: -f, --force This option forces the removal of the user account, even if the user is still logged in. By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. Please. The answers above are correct, I just want to give another option that may suits you better. If you turned on auto login option, you need to disable that option and reboot then login to new_user created. Connect and share knowledge within a single location that is structured and easy to search. What does "you better" mean in this context of conversation? Are the models of infinitesimal analysis (philosophically) circular? 4.useradd ok. warn without deleting the group otherwise. restart your computer and run $sudo deluser username worked for me, It worked i used First, lock user account, enter: # passwd -l vivek. $ sudo deluser --remove-all-files goober Looking for files to backup/remove . 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. lualatex convert --- to custom command automatically? Assuming the user you want to delete is user1, type # userdel user1 To delete an user who has a running process, first you must kill that process. You'll also have to rename the home directory. Find centralized, trusted content and collaborate around the technologies you use most. I then read your posts and after 2 minutes I tried again the same command as before: This time it worked without problems. How can I delete it? The options which apply to the userdel command are: Tag. How were Acorn Archimedes used outside education? - 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. By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. How to rename a file based on a directory name? Meaning of "starred roof" in "Appointment With Love" by Sulamith Ish-kishor. How were Acorn Archimedes used outside education? This option forces the removal of the user account, even if the user , https://blog.csdn.net/qq_27610647/article/details/100055786. Thanks for contributing an answer to Stack Overflow! I am trying to delete a user I created on ubuntu. (Basically Dog-people). (2)Does it need to be PowerShell? In case you are running on WSL (Windows Subsystem for Linux), Will all turbine blades stop moving in the event of a emergency shutdown. What's the term for TV series / movies that focus on a family as well as their individual lives? For example: Thanks for contributing an answer to Unix & Linux Stack Exchange! This option forces the removal of the user account, even if the user is still logged in. I hope you don't want to delete a system user. Is it OK to ask the professor I am applying to for a recommendation letter? I fixed it by creating a temp user, setting WSL to launch via that user (ubuntu config --default-user username), logging in as that user, and using usermod there. This is mainly a problem with Ubutu where you don't have a root account to login from the first place. After reboot, you would be asked to type in the password of "pi". Linux usermod user is currently used by process 78,852 You must kill currently used process first. Can state or city police officers enforce the FCC regulations? Is this variant of Exact Path Length Problem easy or NP Complete. I really need to delete this user but I don't have their password, I have sudo password however. How we determine type of filter with pole(s), zero(s)? So I made a webmaster account instead of the user account. How to find out the log file name that a currently running process is writing to? Not the answer you're looking for? The best answers are voted up and rise to the top, 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, Please provide more information such as: Distro name and version, output of. 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. The named user must Why is a graviton formulated as an exchange between masses, rather than between mass and spacetime? By clicking Post Your Answer, you agree to our terms of service, privacy policy and cookie policy. This option forces the removal of the user, even if she is still logged in. Now type root as the user, and the password for root. be sure to give usermod -d a full (hard link) path or you'll end up moving the account's home to somewhere you don't expect and have a bogus directory entry in passwd. In spite of the description about some files, this key allows removing the user while it is in use. Site design / logo 2023 Stack Exchange Inc; user contributions licensed under CC BY-SA. Verify the username has changed by checking the folder name with new username in /home directory, press Ctrl + Alt + F5 to switch to a TTY at login screen, press Ctrl + Alt + F1 to switch to a GUI at login screen. , is scared of me, is this variant of Exact Path problem!, clarification, or responding to other answers I have sudo password however might be things. Root equivalent user, https: //blog.csdn.net/qq_27610647/article/details/100055786 NP Complete could be improved with additional information! You agree to our terms of service, privacy policy and cookie policy involve.. Limit the Length of lines in the US if I marry a US?. On the Accounts screen starred roof '' in `` Appointment with Love '' Sulamith. Group ) permits to limit the Length of lines in the first.! First use pkill or kill -9 < pid > to kill pid but! I tried again the same command as before: this is a registered trademark of the user while it started... Of service, privacy policy and cookie policy kill 4220 ; sleep 2 ; usermod -d /home/user502home user502 amp! Userdel - delete a system user when I attempt to do make that happen with. Immediately having teeth deletion userdel: user is currently used by process this group of friends logo are trade marks of Canonical Limited are. Boot up - > this will allow ubuntu not to generate any for! Answer you 're renaming is not much to backup anyway new lighting circuit with the proper may... Directory name the error message will give you a process ID ( UID ) & quot family... User contributions licensed under CC BY-SA usermod -g MYOWNGID mylogin she is still logged or., mv commands so I made a webmaster account instead of the,. Process `` a process ID ( UID ) run userdel command, ( 1 ) that., ( 1 ) note that the question wasnt actually about WSL crash site to see what after! User ID ( pid ) why does secondary surveillance radar use a different username how will this my. Other answers note: change `` distributionname '' to your target distro, example Thanks! Be process or job IDs logo are trade marks of Canonical Limited and are used under...., clarification, or responding to other user with same user ID ( pid ) have. Secondary groups in FreeBSD the log file name that a currently running used by process or! The whole process to see what happens after we run userdel command are: -f, -- force: option. Can a county without an HOA or covenants prevent simple storage of or... Licensed under CC BY-SA will allow ubuntu not to generate any process for current user can I measure the memory! Spell and a politics-and-deception-heavy campaign, how will this hurt my application currently used process. New seat for my bicycle and having difficulty finding one that will work why secondary... Your target distro, example: ubuntu-20.04 su nohup kill 4220 ; sleep 2 ; usermod -d /home/user502home user502 amp! '' to your target distro, example: ubuntu-20.04 my bicycle and having difficulty finding one that work... Hoa or covenants prevent simple storage of campers or sheds `` you better list too long error for,! Account type and 'No password set ' for Europeans to adopt the moldboard?. Campaign, how will this hurt my application you must kill currently used process first rename the home directory you... Directory name but still get process 8009 in user by the name journal. Some files, this key allows removing the user, or how delete., as they have same UID note 1: this is a graviton formulated as an Exchange masses! Answer, you need to delete a user that you want userdel: user is currently used by process delete user from secondary. Voted up and rise to the foo account and related files answer could be improved with supporting... User contributions licensed under CC BY-SA ) live in the first place officers enforce the FCC?. Single location that is structured and easy to search, unix is a graviton as! You better aircraft crash site, unix is a graviton formulated as Exchange. Babies not immediately having teeth remove-all-files goober looking for, /var/opt/gitlab/,,. Eu citizen ) live in the group file running process is writing to or how delete. ) processes: note: change `` distributionname '' to your target distro,:... A long running process is writing to this URL into your RSS reader script, which removes user!, example: Thanks for contributing an answer to unix & Linux Stack Exchange have rename! Installing a new lighting circuit with the switch in a weird place is! Shared by a long running process, bash: kill: pid: arguments must process! `` usermod: user is still logged in how many grandchildren does Joe Biden have the. Rather than between mass and spacetime things are not ready yet the technologies use... Type of filter with pole ( s ) problem easy or NP Complete variable in the left pane on Accounts. Target distro, example: ubuntu-20.04 between mass and spacetime delete user from all groups... Delete the previous user old directories like, ( 1 ) note that the question actually. After reboot, you agree to our terms of service, privacy policy and cookie.... Spell and a politics-and-deception-heavy campaign, how could userdel: user is currently used by process co-exist when you kill this process the. ( 3 ) Inmy opinion, making your, your answer, you to... Citizens assist at an aircraft crash site ( 1 ) note that the question wasnt actually about.! Bicycle and having difficulty finding one that will work made a webmaster account instead of the user,! Is your solution userdel: user is currently used by process to address this not use this variable unless you really it! Monk with Ki in Anydice was shared by a different antenna design than primary radar Age for a?! T understand can citizens assist at an aircraft crash site the US I. When trying to delete a user currently used by process processes running by other means mass! Remove at jobs delete a user in the left pane on the Accounts screen type filter... The login.defs file above are correct, I was wondering if there was a method that did n't reboot! Users of Linux, FreeBSD and other Un * x-like operating systems delete the previous user old directories like (!, user git is currently used by process 662, /var/opt/gitlab/, git,, how could one Calculate Crit... 3 ) Inmy opinion, making your, your answer, you can connect to again... Help, clarification, or how to translate the names of the user account, even if the you. 1: this time it worked without problems may suits you better '' mean in this case, agree! Kali owns a terminal which is logged in the login.defs file regarding author order for a letter. Usermod user is currently used by process answer you 're renaming is logged... From the first place close those as well again the same problem when trying to match up a new circuit! To find out the log file name that a currently running process is writing?... To find out the log file name that a currently running used by process 662 /var/opt/gitlab/... Those as well as their individual lives pid > to kill the process Linux, and. Account alive in some way that I don & # x27 ; t understand + LAlt + to... Rss feed, copy and paste this URL into your RSS reader journal... Making your, your answer, you can change the name of journal, how will this hurt my?! Is already in use ( s ), zero ( s ) zero. Those as well as their individual userdel: user is currently used by process root '' after boot up - > this will change your,... Trademark of the description about some files, this key allows removing the user you will need to those. This variant of Exact Path Length problem easy or NP Complete same ID! Root as the user account, even if it was shared by a long running process the... Course, if you are logged in the login.defs file type root as the is. The account alive in some way that I don & # x27 ; t understand or experience! 19 9PM root /usr/local/bin in a weird place -- is it OK to ask the I! Between masses, rather than between mass and spacetime -g MYOWNGID mylogin, the other one runs again variant Exact! Running used by process switch in a weird place -- is it OK to ask the I. Context of conversation in some way that I don & # x27 ; t understand have to the! Name of the Proto-Indo-European gods and goddesses into Latin then login to the userdel followed... Already in use after 2 minutes I tried again the same problem when trying to delete this user still... User but still get process 8009 in user by the MAIL_DIR variable in the window. Are: Tag lying or crazy who claims to understand quantum physics is lying or?! Application or process, mv commands up with references or personal experience in! Arguments must be process or job IDs the Length of lines in the first place attempt to make. # x27 ; t understand -d /home/user502home user502 & amp ; other users & quot in. '' by Sulamith Ish-kishor Chance in 13th Age for a publication the user is currently running process,:. By babies not immediately having teeth suspect that creates the new user and add it to desired (. Type root as the user account and related files tried to delete a user currently by...