Alpine sudo without password. Then use passwd username to reset the password .

Alpine sudo without password Feb 6, 2024 · After several tries on SSH login and failed due to wrong password: The default password for jailbroken iPhone i found online was simply 'alpine'. May 22, 2014 · To get around that, you could use -k to reset the access token: echo 'password' | sudo -kS ls I don't know of any way of getting you into an actual root shell (like su or sudo -i) do. on the container run process i am getting permission related issue, as i am running as cassandra user. how to execute all sudo command without password. I installed OpenSSH from Procursos repo and then tried to SSH from Mac OS X command line with ssh root@192. Some key facts about /etc/sudoers: Sep 17, 2022 · Everything is working as it should when I'm connecting to the SSH daemon-I can run sudo -i without a password. Oct 5, 2023 · AI-native platform for on-call and incident response with effortless monitoring, status pages, tracing, infrastructure monitoring and log management. Mar 18, 2024 · Learn how to create a Linux user account without password protection. The following sections will provide a list of general recommendations to ease your interactive experience - they are all optional. Consider using doas-sudo-shim, as it provides a shim for the sudo command that utilizes doas. Ubuntu 14. If you forgot your password on WSL simply open your command prompt from windows by typing cmd on search. try setting a password to root user: ex: echo 'root:dummy_passwd'|chpasswd and then retry: Sep 21, 2025 · Learn how to configure Linux sudo commands without a password. It's an incredibly bad idea, but if you really want to do it you can use sudo's NOPASSWD option: In /etc/sudoers: # User privilege specification johndoe ALL=(ALL) NOPASSWD:ALL Then user johndoe can do sudo su and wind up with a root prompt without ever being asked for a password. The remaining sections will describe how to use (on a user level) various Alpine-native solutions, such as the package manager, firewall, and so on. This blog post aims to provide a detailed overview of the Alpine Linux default login, including its fundamental concepts, usage Jul 24, 2023 · The sudo command temporarily elevates user privileges allowing a user to execute sensitive commands or access files without restrictions. Dec 27, 2023 · As a Linux system administrator, you may encounter situations where you need to allow a user to execute commands with elevated privileges without entering a password each time. On Alpine adding a user is little different than adding a user in Ubuntu/Debian. Changing ACF password using command line Setting ACF password is done in various ways depending on how old your system is. Enabling `sudo` without password can streamline your workflow, but it also comes with Nov 13, 2021 · Want a better replacement for the default sudo command? You're in luck. Dec 10, 2020 · The sudo command has many options that control its behavior, but usually, it is used in its most basic form, without any option. Jan 23, 2023 · If you get annoyed with repeated password prompts with sudo, here's how you can use sudo commands without password. My /etc/doas. Oct 18, 2023 · if I create a non-root user in Dockerfile and add this user to the sudoers file, what is its impact on the host system, and is this user equal to the root user, and If a create non root user and set password for this user in the Docker, then whats its impact on system. 9 and newer Set the ACF-password for a specific user (where ' username ' could be a Sep 7, 2022 · Then you can run psql -U postgres and you will be logged in without password prompt. 113 [Wifi address of my device] The result I got was this Password for root@iPad: [I typed alpine] UNIX authentication refused What else do I need to do to set this up? Thanks In addition a to the root password, change your mobile password too since its also defaulted to alpine. The rule in question was the admin users: # Members of the admin group may gain root privileges %admin ALL=(ALL) ALL Once I commented this out, I was able to sudo without password. But when I run docker exec -it -u userdev:userdev container_name /bin/bash sudo asks for a password? Apr 21, 2023 · sudo (no such package): required by: world[sudo] After checking the Alpine website, I see sudo is a valid package: Alpine packages - sudo Valid for release 3. If you need to run commands with su (or sudo) in an automated way, write a shellscript containig the commands without su or sudo and run su <username> script. Useful Commands in Ubuntu. GitHub Gist: instantly share code, notes, and snippets. In your docker file you can use the chmod command to set the SUID bit in the su command, located at /file like this RUN chmod u+s /file The u+s option specifies that the SUID bit should be set on the file. below is my sample docker file, shows only sudo user related logic-- FROM alpine:latest RUN apk --no-cache Jan 9, 2021 · The Alpine Linux installation ISO uses root as the default user and an empty password. 04/17. I tried pressing enter without entering anything but it didn't help. Now that your installation of Alpine Linux is up and running, you can start working with it. i am unable to run sudo and switch my user cassandra as sudo user. Nov 12, 2015 · Currently root/su is configured on gliderlabs/alpine that su from normal user to root is possible without providing any password (just writing "su" and pressing Enter). Dec 23, 2020 · Add sudo permission (without password ) to user by command line [closed] Asked 4 years, 10 months ago Modified 15 days ago Viewed 23k times Mar 16, 2020 · 13 I am trying build cassandra docker image using alpine based os. Postgresql service will automatically detect the password from the environment variable that you have exported. Therefore, if you can execute any command with a password prompt, and you want to be able to execute a particular command without a password prompt, you need the exception last. To run the command poweroff or reboot one needs to be super user. sudo Note: Sudo has been deprecated in favour of doas in Alpine Linux since v3. pw="$(head -c Nov 17, 2020 · Follow me on twitter: emmanuelnk WARNING: This is generally considered NOT SECURE and thus do not Tagged with docker, ubuntu, sudo, dockerfile. Then type ubuntu config --default-user root to set root as the default user for Linux Bash Shell. Lock down, stay safe. Incorrect modifications can lock you out of administrative access or create vulnerabilities. Using sudo If you have installed sudo and have configured permissions for either the wheel group or a user whose password you recall, you can change the root password by running sudo passwd root. Join Certcube Labs for Network Exploitation & Security online & Classroom. 4$ whoami payara Jul 4, 2017 · It is assumed you are using Ubuntu in this explanation. Follow the same steps as in the OP except the command is “passwd mobile” without the quotes. so" from /etc/pam. It works on many Linux distros such as Alpine Linux and others. This is certainly a huge security issue. Oct 24, 2023 · Sudo is a ubiquitous and powerful tool in Linux for running commands as root or another user. Apr 6, 2022 · Raw alpine_password. This blog post will explore the concept of using `sudo` without Dec 27, 2023 · The /etc/sudoers file determines who on a Linux/UNIX system can run what commands as root or other users via the sudo command. (Obviously, a person will still have to type the user names somehow, so there is no getting around that part. Jan 7, 2020 · Learn how to run some or all sudo commands without entering the password on Ubuntu or any other Linux distribution. As an experiment I commented out "auth sufficient pam_rootok. myusername ALL = (ALL) ALL myusername ALL = (root) NOPASSWD: /path/to/my/program Note the use of (root), to allow the program to be run as Dec 7, 2024 · Research on the internet seems to suggest I can fix any login problems with the /etc/pam. Do this by generating the password from /dev/urandom and turning it into text with base64, then echoing it twice, piping it into the adduser command (without the -D flag) so it enters and confirms the password during user creation. Sep 22, 2025 · Learn to configure sudo without password on Ubuntu. 15. Simple. Aug 11, 2019 · I feel there is no need for a password on WSL because it is already protected from my Windows account. Running as root in a container is potentially dangerous, so (for the same reason you give any user passwordless sudo) you don't need to externally share a password with every user that runs the image. 16 as well, so I don't think this is a new problem. d config files but they don't seem to do anything for su. By entering their own password to verify identity, a permitted user can execute actions that affect system-wide configuration and settings. However, it did not work. Aug 26, 2020 · I have a service in linux called appSevice When I start and stop with these commands, it works: sudo systemctl start appSevice. Install greetd Go to the greetd repository, download the latest ref, and decompress it. 6 days ago · Alpine Linux is a lightweight and security-focused Linux distribution that has gained significant popularity in the world of containerization and embedded systems. Jun 21, 2021 · greetd is written in Rust, so we’ll need cargo. However, it also carries potential security risks. But when I run docker exec -it -u userdev:userdev container_name /bin/bash sudo asks for password? Jun 9, 2025 · In Ubuntu, the `sudo` command is a powerful tool that allows users to execute commands with administrative privileges. 0. 04 Tutorial. However, use of sudo or other suid binaries is entirely pointless in an alpine container. This passwordless sudo access can save time in automated scripts or configuring services to restart without manual intervention. Apr 26, 2025 · understand how to configure passwordless sudo account on a Linux machine. Nov 14, 2020 · The current versions I'm using are: adduser version is 3. Detailed steps to recover access without reinstalling the OS. May 7, 2021 · which expects you to enter the root password. This guide will walk you through the necessary steps to reset the root password on Alpine Linux, ensuring you can swiftly regain access to your system. pam is the Linux authentication module used when we login. I don't want to remove this extra layer of security from other functions such a while using 'Ubuntu software center' or executing a bash script by drag-drop something. This grants administrative privileges to trusted users so they can perform tasks like installing packages or editing protected files without needing the root password. How can I disable the WSL Oct 22, 2018 · When attempting to execute sudo in a docker container using alpine 3. Sep 17, 2022 · Everything is working as it should when I’m connecting to the SSH daemon-I can run sudo -i without a password. The doas package is a lightweight alternative to the sudo package. Aug 11, 2025 · Unlock sudo power without passwords Learn how to run commands with elevated privileges securely and efficiently. If you don't want to have to type sudo every time, I guess you could run visudo and give yourself permission to run, let's say, /sbin/shutdown without a password. In this […] Feb 9, 2024 · I forgot my WSL Ubuntu password, needed to run sudo command. Dec 19, 2020 · This guide explains how to add, delete and grant sudo privileges to users in Alpine Linux. Alpine Linux is a security-oriented, lightweight Linux distribution based on musl libc and busybox. sh #! /usr/bin/env sh # Create unprivileged Alpine linux user. Using sudo you can run super user commands (allowed) without entering a password. I hope this is of use to someone else. In this article, you Oct 7, 2013 · I belive, there is not and it would not be a good idea. Jul 25, 2025 · In the Linux operating system, the `sudo` command is a powerful tool that allows users to execute commands with administrative privileges. Also tell the best practices to run docker container. /etc/passwd – Linux user account file. Follow the safe steps for individual users, groups, or system-wide settings. On Alpine Linux, root SSH access using passwords is disabled by default. Still want to install sudo? If you still want to install sudo, just run Mar 18, 2024 · To overcome missing permissions, we can install the sudo package and permit our user to run the sudo command. Then use passwd username to reset the password Feb 19, 2025 · To reset a normal user password on Linux, a root session can be opened to do it from there. However, repeatedly entering the password every time you use `sudo` can be cumbersome, especially in scenarios where you need to perform multiple administrative tasks in quick succession. ssh root@iphonesIP I Dec 18, 2024 · That said, you can still run processes as a root user, which is why you should set a root user password. Dec 19, 2015 · This page explains how to change root password on Alpine Linux server or Linux container or VM using the passwd command. Aug 16, 2025 · sudo command – Execute a command as another user on Linux doas command – Doas is al alternative to sudo command which comes from OpenBSD project. In order to login, just enter the username root and press return. Apr 1, 2014 · 6 I removed the password from my account using the "User Accounts" window and then on running sudo, it prompted me for a password, even when i didn't have one. The fact that the container's default user is not root as defined in the USER attribute doesn't mean you cannot override it when running or Mar 12, 2025 · Learn how to create and manage user accounts in Alpine Linux. However, since the motivation for using the Alpine Docker image is the low memory footprint, we may want to use the doas package instead. The only difference between "break root" and this is intent. d/su and root is still able to su as any user without a password. service; But when I try to e Hi, I am able to install Alpine Linux, then su -, apk add -U sudo, visudo to enable unfettered wheel access. 🛡️🔒 Mar 18, 2024 · Adding the line above will let us run sudo poweroff and sudo reboot without being asked for a password. sudo (Which I have configured to ask for a password) is rejecting my password (as if I mis-typed it) I am absolutely not typing it incorrectly. Here's why: If you write a password in a command like su <username> -p <password>, it would be stored in plain text in your bash history. Jun 7, 2024 · Forgot the password of your Linux distribution app you installed in Windows via WSL? No worries. 118, and the Alpine adduser man Alpine version is 3. conf looks like this and my user is in the wheel group permit nopass :wheel as root cmd /sbin/ Feb 14, 2015 · If there are multiple matching entries in /etc/sudoers, sudo uses the last one. And we can use adduser command to add a user. Aug 13, 2019 · The sudo command allows trusted users to run programs as another user, by default the root user. 12 Docker v19. May 8, 2019 · sudo is an example of something that would use suid. Dec 19, 2020 · This step by step guide explains how to add, delete and grant sudo privileges to users in Alpine Linux with examples. Is there anyway I can run this as a normal user? I just don't want to sudo and enter my password every time I reboot or power off. Now just run the original command without sudo. Sudo, preferably /without/ the nopasswd Sep 21, 2006 · Linux change user password - Learn how to change your own password or other users passwords including group passwords. This was forcing sudo to prompt me. I find that default bit prob 327 I'm using alpine (or an image that is based on Alpine) as the base image in my Dockerfile. Modifying /etc/sudoers provides granularity and specificity over the permissions and privileges of poweroff and reboot for different users or groups. /etc/group – Linux group membership that grants users superuser access. Basically, the thing that checks the username and password. I am logged into the container using docker exec -i -t MYIMAGE /bin/bash bash-4. I'm trying to create a user without password like this: sudo adduser \\ --system \\ --shell /bin/bash \\ --gecos ‘User for managing of git version control Feb 25, 2015 · To test it login as user dev and list the contents of root directory which is normally only accessible to the root user. Set ACF-password on Alpine Linux 1. Nobody could use my WSL without first knowing my Windows password. May 2, 2020 · This page explains how to add and delete/remove users in Alpine Linux using the adduser and deluser command line utilities. Run this script as root/sudo # Don't prompt for password and make group same as username, default path & shell adduser -D -g appuser appuser # Set a decent random password (aiming for a 256 bit security level, but better than "monkey") May 29, 2025 · Learn how to create and configure user accounts in Alpine Linux with proper permissions, groups, and security settings for system administration. but what do you get as a system user? Or being in a system group when using addgroup -S. suraku - This technique is for accidental mistake mitigation, not security. I believe they meant "interactive" in the sense of using an editor; thus, this is "non-interactive" because this approach does not require an editor. However, in some situations having to constantly type your password to use sudo can hinder productivity and automation […] Oct 9, 2019 · On alpine and other busybox based distributions where adduser behaves like this, you can create an account with a random password that you don't keep. 03. Nov 6, 2025 · Learn how to eliminate the hassle of typing your password for every sudo command in Linux, whether you want to run specific commands or even all of them, with this step-by-step guide. sh Nov 14, 2023 · Secure your Alpine Linux with a password facelift! Simple steps to fortify your digital realm. Oct 8, 2025 · Small. I reiterate, though, that this is a REALLY BAD IDEA in most circumstances. The only safe and recommended way to edit this file is by using the visudo command, which validates syntax before applying changes to prevent errors. This provides documentation for beginner Alpine Linux users on how to change passwords for the console login as well as the ACF. 13 on Windows 10 (20H2 update) The man page reads "Create a system user", O. Jan 23, 2008 · What's the reason you want to do this? If it's just so you don't have to login as root every time, you can just use sudo. I have changed the password temporarily to alphabetic Aug 9, 2021 · Forget your Windows Subsystem for Linux user password and you'll be locked in a loop. Oct 3, 2020 · In this guide, we will show how to switch to another or a specific user account without requiring a password in Linux. If you want to run something as root, run docker exec -ti --user root <uid-of-container> ash. 17. However, editing a sensitive file like this is risky. May 23, 2024 · Explains how to run sudo command without a password for specific user name on a Linux or Unix-like systems. Step-by-step guide to disable password for sudo with security warnings. Aug 1, 2023 · If anything, giving the user running the container a passwordless sudo right is a huge security hole calling for a disaster to happen, not a security improvement. This tutorial explains how to configure the sudoers file and allow certain users to run sudo commands without being asked for the password. Which instructions do I need to add to create a user? Eventually I'll use this user to run the application I'll place into the container so that the root user does not. It is pretty simple. service; sudo systemctl stop appSevice. However, I get this behavior: $ sudo apk… Jul 1, 2019 · Is it possible to change the root user password in Docker? I have the following lines in my alpine docker: RUN echo “root:Dev123” | chpasswd RUN adduser appuser -D USER appuser by which I expe Jun 17, 2014 · The OP asked for a way to do it from the command line, without using an editor such as visudo. Apr 5, 2024 · Alpine with sudo and no password. The u refers to the permissions for the owner of the file, and the +s means to add the SUID bit to the file's permissions. 168. When a user runs sudo, the binary actually runs with root privileges from the get-go, checks if the user is OK, then executes the command you specified. Secure. I've seen similar questions on the web for r3. Nov 20, 2024 · Learn how to allow support for sudo commands using Sysbox, Kata Containers, and user namespaces in this easy-to-follow tutorial. Oct 8, 2024 · In this tutorial, we'll explore the steps to install and configure sudo on Alpine Linux, ensuring users can manage their systems effectively and securely. Dec 23, 2017 · Use lineinfile to update /etc/sudoers for passwordless sudo Now your users can login with their ssh keys, but won’t be able to do any server admin with sudo because without passwords set, they can’t enter their password when prompted when they use the command as per the default behaviour. You’ll then build greetd like any other Rust project. Jul 20, 2025 · Learn how to reset a forgotten root password on Linux using GRUB. Dec 22, 2014 · All set? Keep this in mind if you have a Linux machine in a publically accessible place : without more protection, it's not usually hard to recover a lost root password, which means it's just as easy for someone to CHANGE it, or access root without your knowlege. This might be enough for what you need though. Then open the Linux Bash shell which will log you in as root without asking for password. 04/16. Jun 6, 2012 · NOTE: I want to execute sudo command without authenticating via password; only when they are executed via terminal. While you can use your jailbreak without changing the root user password, the default password of alpine is well known and can be exploited by attackers who may attempt to SSH into your device and malicious changes without your knowledge. sudo ls -la /root Enter password for dev If your user is in the proper group and you entered the password correctly, the command that you issued with sudo should run with root privileges. 8 I get the following output. Here's how to install and set up the doas utility on Linux. . K. The following tutorial shows you how to enable password-based root login via SSH when using openssh. And for some reason it seems like not having a password set for root prevents the public key authentication from succeeding when trying to ssh on root account. However, constantly entering the password for each `sudo` operation can be time-consuming and inconvenient, especially in automated scripts or for users who frequently need elevated privileges. Mar 29, 2023 · Granting password-less sudo permissions to a non-root user allows you to perform administrative tasks without the risk of running the entire container as the root user. Sep 10, 2019 · Learn Linux privilege escalation methods & techniques in detail. 04/18. Sep 18, 2025 · Introduction Editing the /etc/sudoers file is a critical task that directly impacts system security and user privilege management. Master user creation, permissions, groups, and security best practices for multi-user systems. And yes for a virtul machine, not a container, I do want sudo on key machines. ) As for why it was accepted, well, I Dec 9, 2017 · This article will describe how to omit sudo password. To reset the administrator password, the computer must be started in recovery mode to get access to the terminal without the password. Apr 4, 2025 · Use 'sudo su' or 'sudo -i' sudo passwd root or passes sudo su or sudo -i to first get the root power and then run the passwd command, he or she would be able to reset the root password. Mar 18, 2024 · In this article, we talked about modifying passwords and how to do that for the root user without first using su. sh file to the terminal. One of the first steps when working with Alpine Linux is understanding its default login mechanism. Feb 15, 2024 · Fortunately, Alpine Linux provides a streamlined process for password recovery, utilizing its emergency recovery mode and unique command-line tools. May 16, 2020 · 13 i discovered that alpine linux image is shipped with a root user that has no password set yet. In conclusion, sudo can be invaluable in a scenario like a password change that requires superuser access without an additional login. After running the folowing command lead@kernel:~$ sudo su I got this Sorry, try again Any alternatives Jul 13, 2023 · In this article, we will explain how to configure a sudo command to run without entering a password every time in a Linux terminal. Aug 20, 2019 · I want to be able to shutdown (or restart) my system without having to enter my password. You can easily reset the Linux password in WSL. tunk exdsw ifyip lvrsrq cfuvci mase tzbb vonh ibljao jnzto wofk rgtarus nuy icjl fcyhde