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Linux check user exists. I know this question.
Linux check user exists. The question does not have to be directly related to Linux and any language is fair game. Oct 7, 2016 · I have around 100 servers on which I want to check if a user exists. user for easy linking to the module documentation and to avoid conflicting with other collections that may have the same module name. This method is simple and doesn’t require any additional infrastructure beyond the machine itself Apr 10, 2017 · I want to check if a user exists in a particular group. Whether you need to verify user permissions, view account details, or monitor user activity, Linux provides a variety of tools and commands to accomplish these tasks. We can look for a user in this file using Sep 9, 2025 · In most cases, you can use the short module name user even without specifying the collections keyword. Jul 24, 2023 · Ways to Find User’s Home Directory in Linux Before we look at some viable approaches to finding a user’s home directory in Linux, it is important to understand why the Home directory exists. Aug 24, 2010 · 29 mysqladmin -uroot create foo returns an exit status of 1 if foo exists, and 0 otherwise, but of course it will also create the database if it doesn't already exist. If the user exists, the command returns 0; otherwise, it returns a non-zero status. I know this question Aug 21, 2019 · I see a lot of examples about check if user exists in *nix system using id Find out if user name exists Check Whether a User Exists For test my code i've create a simple code and after check and ve Apr 22, 2023 · Here's some of the other forums and sites I've looked at to try to figure out how to write this code: superuser: find-out-if-user-name-exists stackoverflow: check-whether-a-user-exists? May 29, 2020 · I need to write a bash script which will check if it is run as root user ask for the user name check if user exists add new user with password ask for the group name check if this group exists add Jan 27, 2022 · Thanks everyone for your assistance I have a text file with users under the name newusers. I don't want to exit should the latter case occur. sudo [ Jan 15, 2010 · Is there a way to see if a directory exists on a remote server? Perhaps there's a better way, but I'm writing an application deployment script, and I want to create a directory on a remote server Jun 12, 2025 · In the Linux operating system, the ability to check the list of users is a fundamental task for system administrators and advanced users alike. All commands discussed here are demonstrated on Ubuntu 22. What if you just want to know if a user exists or not? While there is no dedicated command for that, you can filter the user list with the grep command like this: getent passwd : grep user_name If you see a result, the user exists. Jan 7, 2021 · I want to check three conditions before I run the command: If string (username) match to regexp, if user exists and if user belongs to certain group: PASSWORD=`/usr/bin/pwgen -sync -1 15` CHPASSWD= Dec 18, 2022 · I followed the following thread How to create a bash script in Linux that checks if the user is local or not I want to check number of arguments number received before checking the username usernam May 5, 2018 · -1 If a username exists I have to add number 2 to that username, and if that username exists too I have to add number 3 to it and so on (so if John exists the program has to add John2, and if he exists too, it has to add John3 etc. This is an update about the transition of the forums to Ubuntu Discourse. This directory helps differentiate system-wide data from user data such that we do not have to deal with redundancy. Checking user information is crucial for system administrators to ensure security, manage resources, and troubleshoot issues. Jan 1, 2024 · This post has given you a detailed guide on listing users, checking if a user exists, and even getting the number of user accounts on your system. Is Nov 6, 2015 · Modern Linux installations have multiple sources for user/group information - not just local /etc/passwd and /etc/group - e. Mar 24, 2014 · I want to check if a directory exists and it has access rights; if it does, then perform the tasks. Feb 3, 2017 · This is a similar answer to @Konstantin Suvorov's but a bit more refined, with some nuances clearly spelled out, and actually tested and in-use. It is critical to manage and check users properly to ensure data integrity, prevent unauthorized access, and facilitate effective system administration. We have Openldap configured here and users are able to use ldap for login to client machines. Jan 2, 2018 · This page explains how to check list of users in Unix operating system such as macOS, FreeBSD, OpenBSD, NetBSD, Unix-like system. Mysql is using it. Jul 11, 2020 · How to check sudo access for a normal user? Is it possible to know if a user has sudo access using a script without password prompt? Nov 30, 2019 · In this KB article, you will learn how to list and filter users in any Linux distro including Ubuntu, CentOS, Linux Mint, Debian and RHEL. Make and execute small bash scripts to assist with your tasks! Introduction Understanding how to validate Linux user creation is crucial for system administrators and security professionals. I starting writing the following bash script. conf we have: [Myapp PDF Reports] comment = Nov 2, 2017 · The following shell function accepts two parameters: a username a group name It asks for the information about that group with getent group, then passes that result to awk. file and exec do not accept the onlyif parameter, otherwise this wouldn't be a problem Jul 7, 2023 · Verifying If a User Already Exists Before we dive into the resolution of the “user already exists” error, let’s first discuss how we can check if a user already exists on our Linux system. Possibly remotely (i. All Linux OS offer the functionality and tools to create and manage many users on a system. txt, I want to check if the user exist in /etc/passwd, If the user exist create a new user with new_existed_username, Struggling with this. But any way to check the users currently logged into machines using LDAP ? I would like to find which We can check if a user exists on Linux System by id command. This blog Jun 21, 2025 · In the Linux operating system, managing and checking users is a fundamental administrative task. With this module, you can create, modify, and delete user accounts, set user attributes, manage SSH keys, and more. How can I use sudo to accomplish this. If it shows you a user record, that user exists. Oct 6, 2022 · I have a linux server and a Windows server. A user group is a group of users where system administrators can May 9, 2024 · To check whether a file exists in Bash, you can generally use the file test operator “-e” with any conditional test syntax. Below is an example playbook: --- - name: "Check if User exists sample" hosts: localhost Learn how to check if a group exists in Linux using `getent group`, `/etc/group`, and `grep`. All the methods described here should work on most Linux distributions, including Debian, Ubuntu, RHEL, CentOS, Arch Linux, and more. Is there some easy way to simply check whether a database exists? Oct 11, 2012 · [ isn't syntax, it's the test program (check out ls /bin/[, it actually exists, man test for the docs – although can also have a built-in version with different/additional features. Oct 3, 2014 · SO I’m trying to write a script that will check if a local user account exist then create it if not. To do this I am using grep ^${USER}: /etc/passwd. ' ; else echo 'Sudo is not enabled' ; fi Apr 23, 2020 · I'm new here. I can use 'getent' to get the user and group information, but it does not display the complete active directory user attributes. Just starting out and have a question? If it is not in the man pages or the how-to's this is the place! Oct 31, 2023 · Understanding user module in Ansible The user module in Ansible is a powerful tool that allows you to manage user accounts on Linux and Unix-based systems. Here are some examples of how to use the getent command: To fetch the list of user accounts on a Linux system (stored in a database known as passwd), you can use the command getent passwd. " fi } This can for e. The return value is 0 if it is present and 1 if not. ) Every user I add is then, of course, remembered. Consider OS X's Directory Services, or Linux with Likewise Oct 3, 2023 · Here I will show you how to check if a Linux user exists (or does not exist) in a POSIX-compatible shell like Bash or Dash. builtin. Does a variable that has been declared but not assigned exist? Does an array (or hash) variable that has been assigned an empty list exist? Does a nameref variable pointing to a variable that currently isn't assigned exist? Do you consider $-, $#, $1 variables? (POSIX doesn't). Here's how to use this module. Now I find out that uid is not unique. Just starting out and have a question? If it is not in the man pages or the how-to's this is the place! Learn how to verify the presence of users or groups in Active Directory from RHEL using SID. this so i can execut My boss want his team members to let him know, who has root access. Instead, I want to create the user and continue my installation. Feb 19, 2025 · I am a new Linux system administrator and I’m unable to find the command to list all users on my Linux server. How do I check if I have root access? If I can login on a server and do anything with sudo, does it mean I have root access? May 21, 2018 · Linux - Newbie This Linux forum is for members that are new to Linux. Jul 14, 2023 · To show all the users who were present at a specified time, use the -p option as follows. If you have not already done so, you can log into Ubuntu Discourse using the same Ubuntu Learn how to check if a user account exists in Linux using the id command, /etc/passwd file, and getent passwd command. We can do this in bash, but I need this as a line command, not a bash script. I want to check if the user exists, so I can control this better. Nov 29, 2023 · Learn simple bash commands to check or test if a file or directory exists. meanwhile you can use "id" shell command, it will print the user id and group id, if the user does not exist, it will print "no such user" message. Knowing who has access to the system, their permissions, and their activity status is crucial for maintaining security, managing resources, and troubleshooting issues. Nov 12, 2012 · Put a space after your bracket: if [ sshpass . May 22, 2024 · The getent command in Linux is a tool that helps users retrieve entries from a number of important text files called databases; this includes the passwd and group databases, which store user information. Aug 14, 2025 · This brief tutorial describes how to find all sudo users or super users (the users who have sudo access) in Linux and Unix-like systems. This blog post will provide a detailed overview of checking UIDs Get a List of All Users using the /etc/passwd File. Verify group presence and details on your Linux system with these essential commands. We will explore how to query user existence with the id command, search for user entries within the /etc/passwd file, and validate user information using the getent passwd command. com Aug 4, 2022 · To do so, use the following syntax: If the user exists on the system, the command shows the related passwd entry line. Sep 27, 2011 · You can find out if user exists by searching in the /etc/passwd file using the following command: The above command will print the matching record from /etc/passwd if the user exists or nothing if … May 23, 2025 · Managing users and groups is a key part of Linux system administration. Specifically, you can use the id command to query user information and see if it exists. Jul 4, 2020 · Knowing how to list or count users on a Linux system can be very useful for managing who has access to use your server or machine. Instructions is for the following types of users: simpleUser with no authentication and no privacy uMD5 with MD5 authentication and no privacy uSHA with SHA authentication and no privacy uMD5DES with MD5 authentication and DES privacy uSHADES with SHA Hope it's OK to note this, now that I've encountered it: I'm already aware that one can test for file existence using the test ([) command: $ touch exists. The transition is complete and this forum is now closed to all new posts. Mar 29, 2018 · How to test whether a user already exist on Linux? tagged Bash, Command, Command line, How to, Linux, System, Tutorial. The second block uses JC to filter /etc/passwd and /etc/group and then JMESPath queries to get the desired results. Oct 2, 2023 · Here are multiple ways to list all users on a Linux system. Check if Linux user exists then test ssh login. The uids must be the same across workstations so that when user data is restored everything lines up. Apr 11, 2015 · 7 I have added a new user in Ubuntu using puppet with a hard coded uid of 10017. Is there a way that I can run this only if the user doesn't already exist? The user doesn't have a home folder. By creating user accounts different users and people can log in and use the Ubuntu system with their own permissions, files, and configuration. like wise the closing brackets may require more spaces. g be invoked into your environment by including this function in your /etc/bash. e. file $ if [ -f exists. This tutorial can be used to list users in VM, Guest, VPS, or VMware Linux systems. Get a List of all Users using the getent Command. Does check_mode help here? How should such a playbook task be written? This link, Ansible playbook Feb 18, 2022 · If you only want to check if a specific user exists, you don’t need to list all of the users on your Linux system. I will use the getent command along with the /etc/passwd file for this. This comprehensive guide explores the essential techniques and methods for ensuring proper user account setup, verification, and management in Linux environments, providing practical insights into maintaining system integrity and access control. Can Jan 23, 2023 · The requirement is for Ansible user module just check if a user exists and do not take any action. We'll also provide some useful user management tips. nsswitch or sssd. One of them is user groups, which are essential for linux check user groups tasks. I see that there is a file /etc/shells that contains the shells, but I have no idea how to check if the user has their shell pointed there. LDAP), not necessarily locally (/etc/passwd). Sep 7, 2022 · Check if a user exists on the system You know how to list the users in Ubuntu. For example, adduser command can be run with --no-create-home, --disabled-password, --home DIR etc. For example, to find out if a user with name jack exists in our Linux system we can use the following command: getent passwd Nov 20, 2018 · I'm making a script that add an user, deletes an user and change password of an user passed as parameter ($1). It reads from the system log file that records failed login attempts, typically stored in / var/log/btmp. I want to check if a file exists like so [ -f /path/to/file/ ] However I am running this command as a regular user and the file is owned by root. However, if the user doesn't exist, this command exits. In this lab, you will learn how to check if a user account exists on a Linux system using several common methods. There are primarily two methods for this: 1. This blog post will provide an in - depth exploration of how to check user lists in May 7, 2022 · I need to find a user, and the command should exit with a non-zero return code if the user is not in the system. User chkconfig <servicename> to check its presence. We will also explain how to list all members of a group. Apr 12, 2020 · Check whether a user exists in the Linux system Now that we know how to list all users, to check whether a user exists in our Linux box we, can simply filter the users’ list by piping the list to the grep command. But I want to also see if it belongs to a group n In this example, I will use the getent command to check if a Linux group exists. Check whether a user exists in the Linux system. I'm writting a script that I want to see in multiple machines if a user exists and their status. Jun 27, 2008 · Explains how to check the existing Linux / UNIX users and groups under Linux / UNIX using command line and shell scripting. List All Users from /etc/passwd All local users Oct 7, 2024 · The user module in Ansible allows you to create, modify and manage user accounts on remote hosts. It would be sufficient to know how to use the result of a script or shell test because /usr/bin/id -u ${name} >/dev/null 2>&1 is all I need, even a check if the user directory exists would be ok. org > Forums > Non-*NIX Forums > Programming [SOLVED] Find a user exists in Windows Active Directory or LDAP using a shell script Programming This forum is for all programming questions. On Linux was installed and configured Samba to share 2 directories to the windows server. Jul 29, 2019 · This quick tip teaches you how to find the groups a Linux user belongs to in Linux command line. This tutorial explains how to show all groups a user is a member of. I want to write a bash script that creates multiple users and a database. Nov 23, 2020 · Users are one of the most important parts of the Linux operating systems like Ubuntu, Debian, Mint, Kali, CentOS, etc. Jul 31, 2025 · In the Linux operating system, managing user accounts is a fundamental administrative task. What is the command to list users under Linux operating systems? How do I list users in Linux? The /etc/passwd file contains one line for each Linux user account, with seven fields delimited by colons. file ] ; then ech Feb 14, 2023 · The process of setting an expiration date for user accounts to ensure account security and proper account management. This blog post will provide a detailed overview of how to check user UIDs in Linux, including fundamental concepts, usage methods, common practices, and best practices. Anyone needing support for Ubuntu or the official flavours should seek help at Ubuntu Discourse. service <servicename> status returns the status of a service. Multiple users can access the system in a Linux environment, each with their own set of permissions and privileges. Apr 23, 2025 · Check this guide to learn how to list users on Linux using cat, genet, awk and cut commands. Jul 23, 2025 · Linux is a multi-user operating system, which is designed to support many users operating on the same system through the use of features such as groups. The user module simplifies user management tasks by abstracting the underlying system-specific commands and configurations May 9, 2024 · Bash provides multiple ways to check if an environment variable exists such as env, declare -p, -z etc are described with example. Nov 19, 2015 · The Linux computer is already joined to the domain. " else echo "group $1 does not exist. group – Add or remove groups The official documentation on the group module. If can also be a lot simpler/more readable to test the return code afterwards: sshpass -p 'xxxx' ssh admin@xx Jun 26, 2015 · Depends what you mean by exists. Any additions or removals from that list will be reflected in host access. } but how can I check if a user exists and fail if it doesn't. root@learnubuntu:~# getent passwd | grep prakash prakash:x:1002:1002:,,,:/home May 2, 2025 · Learn how to list users in Linux with this updated 2025 guide. If When this check fails I can advise the user he needs to enable the 2nd kind of access before running the script. Awk takes the user list (field 4, split by colons) and further splits it into a "users" array, split by commas. Linux-based systems have two types of users - system and normal users. I'm a newbie to bash scripting, and I'm trying to make a script to setup some basic security on a ubuntu server. Mar 12, 2021 · Want to know how many Linux users you have on a computer or network? Here's how to list all Linux users. user infomation is stored in /etc/passwd, so you can use "grep 'usename' /etc/passwd" to check if the username exist. What is the shortest and most simple way to do that in bash? Sep 28, 2012 · Hello I am writing a script to add users to the system, I need to know how to check if a user I am trying to add already exists in the system. GitHub Gist: instantly share code, notes, and snippets. Using the following, you only need maintain a single list of usernames you wish to have access. We can instead use the “ getent ” command again, as it allows us to pass in text to search the chosen database, which would be the username we want to check exists. In /etc/samba/smb. Instead of going manually on each and every server, I am trying to write a script to do that. First I want to check if user exist, so I tried sudo -u postgres psql -c 'SELECT 1 FROM pg_roles WHERE rolename=${VAR_USER Apr 25, 2016 · How can we check that the user/groups required have actually been created as part of our Ansible pre-req scripts? We can use stat for checking if directories/folders exist but is there an equivalent for users/groups? Jul 19, 2023 · Use these 3 methods to check if a file exists in bash using ENV directive, ENV flag, or the ENV file flag. 2$ if sudo -S -p '' echo -n < /dev/null 2> /dev/null ; then echo 'Sudo is enabled. bash-3. Like if I use passwd -S. Each user account in Linux is assigned a unique UID, which is used by the system to identify and manage users. In this tutorial, you will learn how to list users in the Oracle Database using the ALL_USERS, DBA_USERS, and USER_USERS views. This is the code I wrote, which might not have proper syntax. This complete guide for enterprise admins covers all commands to view users, groups, and login details. Dec 31, 2023 · In this article, I have explored 3 methods to check if an argument exists in bash including different cases. Jul 12, 2017 · I'm writing a shell script in which I need to check if a given user exists. Jul 19, 2025 · This blog post will explore the fundamental concepts, usage methods, common practices, and best practices for checking if a user exists in a Linux environment. Here's a Python script to do that: Apr 25, 2016 · How can we check that the user/groups required have actually been created as part of our Ansible pre-req scripts? We can use stat for checking if directories/folders exist but is there an equivalent for users/groups? Mar 14, 2017 · I'm trying to create a Linux bash script that prompts for a username. g. But normaly to test the return code of a command you don't put the brackets, these are replaced by the test command under the hood: if [ 1 -eq 2 ] is actually (*) if test 1 -eq 2. I have a server running where I use PHP to run a Bash script to verify certain information of a user. Learn how to list all users in the Linux command line. This article explores Apr 2, 2016 · The command id can be used to look up a user's uid, for example: $ id -u ubuntu 1000 Is there a command to lookup up a username from a uid? I realize this can be done by looking at the /etc/passwd Feb 16, 2022 · If you want to check whether a particular user exists in the Linux system, getent makes it easy: getent passwd jeff Again, no output from this command tells you that user doesn’t exist. Feb 17, 2018 · createuser allows creation of a user (ROLE) in PostgreSQL. Jul 6, 2019 · In Linux, a group is a collection of users. On most Linux systems, I can use: id -u ${USER} 2>&1 || die "User ${USER} not found" or getent passwd ${USER} 2>&1 || die "User ${USER} not found" However, ESXi 6 (which uses the Busybox shell, if that matters) does not have either the id or getent available. Aug 1, 2025 · In the Linux operating system, User IDs (UIDs) play a crucial role in user management and security. Mar 31, 2016 · Is there a command that shows a user exists and is assigned to a group? I have just used the command usermod -a -G [GROUP] [NAME OF USER] and assigned a user to a group but, I was wondering if the Sep 26, 2016 · Then we set remote_user for subsequent task to root based on the success/failure of our test: if success (current user exists), don't set remote_user (use omit keyword); if failure (current user doesn't exists), set remote_user to root. What commands can we use to find users and what information can we show about them? In this article, we will go through a number of different commands to list all users and find specific users by their name in Linux. For instance, the user Apr 13, 2024 · Having learned how to list all users on a Linux box, we can simply pipe the list to grep to Linux show users if a user exists. Jun 21, 2025 · Checking the UID of a user is a common task for system administrators, as it can help in tasks such as user account management, security auditing, and troubleshooting. getent passwd user_name &> /dev/null The above command checks if the user is there. Sep 16, 2011 · How can I find out, in a shell script, whether a given user name exists on the current system? /etc/passwd and /etc/shadow are incomplete. Jun 5, 2022 · How to check if user is present and if present, continue with next task if not present display a message saying Given user does not exist Jan 21, 2010 · How to check if a directory exists in Linux command line? Solution: [ -d ¨a¨ ]&&echo ¨exists¨||echo ¨not exists¨ May 27, 2022 · See Also ¶ See also authorized_key – Adds or removes an SSH authorized key The official documentation on the authorized_key module. Nov 23, 2019 · I am trying to find out a method to check if a user that is in /etc/passwd has a valid login shell. Is there a simple way to check if that user (name) exists already? Otherwise createuser returns with an error: createuser: creation of new I have root access to my local server. id - print real and effective user and group IDs Mar 16, 2015 · I've found it more useful, to compose andiba's solution into a proper function: function grpexists { if [ $(getent group $1) ]; then echo "group $1 exists. Sep 28, 2023 · I'm working on some ldap authentication, and one of the things I need to do is require users be part of a specific group. Whether you’re cleaning up old accounts or auditing system access, it’s important to know how to verify if a user or group exists—and how to remove them safely. If the user exists, the script runs normally. This is a text file. ) which is used to test various common conditions on files and variables. win_user – Manages local Windows user accounts The official documentation on the win_user module. See full list on baeldung. Whether you are a system administrator ensuring security, a developer debugging access issues, or a regular user curious about who else is using the system, having a solid understanding of how to check users in Linux is crucial. Mar 28, 2016 · 2 To prove a user exists, use getent passwd <userid>. Feb 5, 2019 · As a sysadmin, you'll often need to list all the users on your Linux system. SNMPv3 users cheatsheet This post is for quick reference and it contains instructions about how to create several types of SNMPv3 users. To list a users groups, use groups <userid>. Checking UIDs is an essential task for system administrators to ensure proper user management, security, and compliance. May 7, 2025 · Discover how to list users in CentOS like a pro. Sep 1, 2023 · Find out if file exists with conditional expressions in a bash shell running on a Linux, macos, BSD or Unix like operating systems. To best replicate the functionality I can use this query ldapsearch -x -H & Jul 26, 2023 · Overview User administration is an essential part of keeping a Linux system secure and organized. And what is the current status of a user. It then prints each element (username) of that array on separate lines, which grep then inspects for the given . Master essential Linux user management skills. Jun 16, 2010 · How can I check if a user exists? Im doing an installer for a mysql database, and I need to check if a user exits, if not create user, if yes delete user and create it again. Hello, Unregistered. 04 LTS Jammy JellyFish distribution. Apr 10, 2017 · 77 I've been running the useradd {user} command to add users to my system, though I plan on running this in an automated environment, and it might end up being run again, even though the user already exists. bashrc*, such that you can then check for the existence of a group, using the following spell Where can I find details on how a user was created. This blog post will delve into the fundamental concepts, usage methods What is the easiest way to check the existence of a user on a GNU/Linux OS, using Python? Anything better than issuing ls ~login-name and checking the exit code? And if running under Windows? Dec 11, 2023 · In Bash you can use the test command to check whether a file exist and determine the type of the file. I don’t have much experience with scripting or programing but I have an idea of what I want to do. Moreover, you can use the “-f” operator with an ‘if’ conditional statement to check if a file exists and if it is a regular file, excluding directories. By default, Unix-like systems (like Linux) store user account information, such as usernames and hashed passwords, locally in the /etc/passwd or /etc/shadow files. For example, it asks for a username, once the username it's typed it will check if the user exists or not. Check the /etc/passwd file: The /etc/passwd file stores essential information about all users on a Linux system. Explore simple commands to view system users, groups, and account details step by step. This includes tips to identify between normal and system users. As an example, the following command can be used to determine whether a user with the name jack exists in our Linux system: To check if a user exists in a GNU/Linux operating system using Python, you can use the subprocess module to run system commands and check the output. However, we recommend you use the Fully Qualified Collection Name (FQCN) ansible. Use getent passwd for user info & getent group for group information - this will cover all modern Linux configurations. if getent group "$groupname" >/dev/null; then echo "Group $groupname exists" fi Replace $groupname with the name of the group you want to check. The lastb command is used to display a list of the last failed login attempts on the system. LinuxQuestions. I'm stuck in A help and support forum for Ubuntu Linux. System and Normal Users. How can I test a server to find out if a uid (10018) exists? We will demonstrate how to list users in Linux using the command-line interface. In Bourne-like shells, the We will demonstrate how to list users in Linux using the command-line interface. Determining if a user is local or LDAP fundamentally comes down to where their account information is stored and retrieved from. Some days ago, my colleague created a user on that server, giving me the username and password, but the user has minimized permissions. For example, I have a webhosting server set up, and in order to be able to add another domain to Sep 28, 2020 · You can check if a user exists with getent with getent passwd {{ item }}. Optional helpful tip: We actually choose to use our GitHub usernames for this Jan 18, 2022 · The first block of code below contains Ansible tests to list and check users accounts. I have the following so far: group="sudo" read -p "Set new sudo user's name (Please I have to check if a user exists inside of my script. Bash: Check if User Exists. I realise I could just parse /etc/passwd, but that won't Dec 17, 2024 · Function check_user_exists: This function checks if a user exists by using the id command. Mar 18, 2009 · Linux - Newbie This Linux forum is for members that are new to Linux. gesnhj ibbfbve omsl gil nulnc btvbjg ihwggym wbhhoh psgc ldv