Questions tagged [sudo]
sudo is a tool which allows users to run commands as another user (usually the root user)
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Sudoers NOPASSWD not working for specified commands
I have the following entries in the sudoers file:
christian ALL=(root)NOPASSWD: /usr/sbin/shutdown
christian ALL=(root)NOPASSWD: /usr/bin/systemctl start mc
When running sudo shutdown -h now or sudo ...
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Is sudo -u username command the same as doing sudo -i -u username then command?
Is a terminal prompt sudo -u username command
same as doing
sudo -i -u username then command in the next line?
If no, what is the differences? What are the use cases when doing the first is better or ...
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Nsswitch - sudoers sss vs ldap what am I missing
I'm trying to configure nsswitch to use sudoers: files sss which is default for rhel9 system, however this does not work for me, but the following sudoers: files ldap does indeed work.
What am I ...
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Apache Authentication - Find out user password
My field of expertise is far away from server management but I am currently covering for a former collegue of mine, so I apologize in advance if my question doesn't make sense.
I have to restart an ...
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1
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i am root but ufw status says 'command not found'
as simple user, first I pass root with command :
su
I am now root on Debian 10 buster.
When I hit ufw status, I have 'command not found'. But it works with sudo ufw status
When I use su -, the command ...
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Sudo privileges limited to a specific group of users
I'm configuring our new Ubuntu 22.04 VPS to host our react app and REST API.
I followed this tuto that seems relatively advanced and complete :
https://gofoss.net/server-hardening-advanced/
I'm ...
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1
answer
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Getting command not found using sudo, but not for running command as root without sudo
wierd issue where if you use sudo command for certain commands it is not found. But runnning it as root user WITHOUT sudo does work
root@ip-172-31-43-153:/home/ubuntu# sudo xfs_growfs -d /
sudo: ...
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1
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Selective EXEC with LDAP-based sudo
I'm trying to translate this sudoers file into LDAP:
Defaults env_reset, env_keep="LESSSECURE SSH_CLIENT", !authenticate, noexec, requiretty, secure_path=/usr/local/bin:/usr/bin:/usr/sbin
...
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Why create a new user with sudo privilege when you are the only person manage the server?
Please share some true use cases of benefits when you are the only admin of manage VPSs, I'm just hosted my first WordPress site. A lot of guide I read online suggests creating a new user after update ...
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Disable apt command for the particular sudo user
I am IT admin in the company. The developers ask to have sudo permission to execute sudo systemctl status/reload/start/stop serviceName to manage their app. But my boss doesn't want them to be able to ...
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Sudo: Using arguments in /etc/sudoers.d/ file, particularly with mount (visudo rejects syntax)
I have a syntax wrangling problem with sudo that may not be solvable.
I know I know, OpenBSD's new doas is better than sudo, but it is not available on CentOS 7 or Rocky 8. So we're stuck with sudo ...
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'user ... is not allowed to execute .... as root on ... ' - even with SUDO privileges but not sure why?
I am in the processing of installing singularity using the terminal on my Linux Mint computer (Ubuntu).
I have the following command:
sudo apt-get update
The computer then asks me to enter my ...
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Execute root commands through ssh user
my goal is to execute commands as root user from another linux host through ssh.
The Problem is: The environment doesnt allow to access the root user directly.
The manual way, which works, is to ...
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sudoers with other user and colon ":" char
I require a sudoers to be able to execute following command
sudo -u myAppUser /opt/myapp/bin/myapp.Console.pl Admin::User::Add <some optional parameters>
I've created a group myAppExecGroup and ...
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Ubuntu 22 server slow to login and execute sudo
On several servers running Ubuntu-server 22 we have the problems that some commands take a very long time to execute. These commands include ssh login as well as sudo commands. Everything not evolving ...
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Can't find font as regular user
As a root, I can run gvim with my font selected as 'Ubuntu mono 14' and have everything work correctly. But as a regular user using the exact same config file selecting the exact same font, I get this:...
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3
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Administrative access to a server via SSH key
Is it a good idea to set the SSH key directly for the root user for administrative access to a server?
Or is it better to use another user for SSH access via SSH key, followed by sudo command?
Is the ...
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excute script with sudo using plink remotely
hi I have a shell script that I need to excute remotely from a windows machine in a freebsd vm
im using plink to do it but unfortunately it's not working
i followed the documentation and here is my ...
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1
answer
1k
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Running Shell Script without a Password Prompt
I have a shell script that runs on a freebsd OS.
the script has some commands that needs the sudo privileges
Im excuting the script remotley and it's skipping the sudo commands
i tried the following :
...
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1
answer
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Allow users to use -D (--chdir) option with sudo
I want to make user bob able to use the -D option in sudo (like sudo -D /home bash which would open a root shell on /home).
How can I do this and what are the security implications to this?
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How to run a command as systemd DynamicUser
I am setting up a daemon for a web service and I want to use the systemd DynamicUser=yes feature because it seems cleaner not pollute the user table with a different user for each service.
As is ...
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Sudo: How can I exlude one specific command line argument from sudo
There is a command (say: mycommand) that we want to add to sudo for all users, but there is one specific command line option -i that we want to exclude. Complicating factor is that command line ...
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Can you access VM instance in Google Cloud without being root?
I'm trying to access GCP VM instance but I messed it up and now I'm getting this error: sudo: /usr/bin/sudo must be owned by uid 0 and have the setuid bit set
but I don't have the root password. Is ...
google-cloud-platform
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1
answer
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Is it possible to lock sudo from the command line, without editing sudoers or logging out and back in?
When you run sudo it won't ask a password for at least 5 minutes after you last ran it. You can change this timeout by adding Defaults timestamp_timeout=0 to sudoers with sudo visudo. This also ...
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2
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Linux bash way for unprivileged user to take ownership of contents of only one particular directory?
I want a particular user to recursively change owner and group of all the contents of a particular directory, and only that directory. The directory is a kind of "inbox", where a service ...
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2
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How do I run sudo commands with a system user?
I want to run a minecraft server in Docker, so I started following this guide.
In the guide, it is advised to create a system user with a home directory (/opt/minecraft), but without a password (you ...
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1
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DEBIAN 10 apt-get, sudo issues
I'm currently facing some issues with my dedicated server. I unfortunately removed some packages from my server yesterday. And now the man-db on my server seems not to work properly. This issue maybe ...
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root login or sudo user for server administration?
I'm trying to understand the technical arguments/security implications between ssh'ing with root directly, or making an auxiliary sudo user in the context of maintaining a server. To clarify, we're ...
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Problems sudoing using a host connected to Active Directory (sssd, kerberos local sudoers file)
I am configuring Active Directory authentication for an Alma 8 box using SSSD, Kerberos, and initial SSH key for log in stored in an Active Directory object, and a local sudoers file that lists groups ...
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/etc/sudoers is owned by uid 1000, should be 0 [duplicate]
I accidentally changed ownership of etc folder in a lightsail bitnami AWS machine. Is there a way to get the ownership back to root. The main problem seems to be that the root account doesn't have a ...
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sudo hangs after some time
sudo hangs in my Archlinux (running under Hyper-V) after some time (usually a day).
Since this hangs my system, I have kept a root window open to do strace whenever this happens. strace sudo ls shows ...
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sudo to allow apt-get install of remote packages, but forbidding arbitrary commands
I'm looking for a way to allow a user to install (only remote) packages via apt-get (or another mechanism?) but not allow them to run arbitrary commands as root.
I can get some of the way there via /...
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Command to get Sublime Text SFTP client to execute sudo at every file save
I am using Sublime Text editor with its SFTP plugin to edit files (also root files) on my server. I thought there is some linux command or file that can be edited that would enable me to execute sudo ...
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What am I missing to setup sudo access with openldap?
I'm using lxd/lxc containers (Oracle Linux 8) to rapidly deploy the environment (so if you have lxd setup, you can modify the ip scheme to match lxd's bridge subnet / DNS and then paste the code into ...
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Require root password when executing "sudo -s"
I have a CentOS 7 server on AWS.
When logged in with the centos user, how can I prevent sudo -s logging in to root without requiring root's password?
[root@server ~]# cat /etc/sudoers | grep rootpw
...
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jcmd works in console but fails in script
I'm getting mad with what should be a simple task: a java process is running, runs out of memory and a script runs.
SELinux is disabled.
in setenv.sh :
-XX:OnOutOfMemoryError='/opt/alfresco/scripts/...
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Tenable su+sudo and selinux
My Not-A-Sysadmin-Boss wants me to explain this but I can't really find an answer? When using TENABLE SC to scan a RHEL7 system the account used to do the scan connects via ssh then uses sudo to ...
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sudo: unable to stat /etc/sudoers: No such file or directory
I moved the file /etc/sudoers to /etc/sudoers.bkp
after this I cannot run sudo command and neither can login as root and change the file back
is there any way this can be resolved without reinstalling ...
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1
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641
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Wazuh ignore a specifc user from sudo notifications
I'm monitoring my servers using Wazuh 4.1.x. My servers are Ubuntu and CentOS. They are also monitored using Icinga2 and NRPE agent. Wazuh is logging all sudo authentications or commands ran with sudo ...
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Why is my Samba share only writable by root?
I have set up a Samba share, and it is only writable by root. For example, I can only create a folder on that share with sudo:
~$ mkdir /mnt/SHARE/somedir
mkdir: cannot create directory /mnt/SHARE/...
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selinux - why can't stuff_u with sysadm_r run postsuper?
I am trying to understand how selinux confined users really work, but there are a few behaviours that I still can not understand.
According to redhat
SELinux User Capabilities
stuff_u users should be ...
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1
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Not able to sudo - ubuntu 20.04
A classical error
By mistake we did sudo chown -R ubuntu:www-data / on a ubuntu 20.04 AWS EC2 server. While there are many posts which indicates that I cannot salvage the machine and have to ...
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Reload Apache Using ACME User
I run a web server on Debian 10 (Buster) and Apache 2.4.38. I created a special user acme that runs scripts for renewing TLS certificates.
$ cat /etc/passwd | grep ^acme
acme:x:1002:1002::/var/acme:/...
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CENTOS apache ALL=(root) NOPASSWD: /path/to/shell.sh is not working
Trying to do a web interface IPtables management.
Created a file test.php
$output = shell_exec('sudo bash /usr/bin/iptables.sh 2>&1');
echo $output;
Gave /usr/bin/iptables.sh NOPASSWD so I can ...
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1
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Trying to get sudoers working on openldap/centos7
I was following this tutorial here:
https://kifarunix.com/how-to-configure-sudo-via-openldap-server/
A lot of it made sense, but still new to openldap so some of this is cryptic too. I have the ...
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Linux: Is it possible to use the ssh key pair instead or in addition to the root privileges?
I'm facing the problem of securing an embedded platform. All ssh hardening have been setup, including 2 factor authentication and login with ssh key pairs.
Now, the root and user passwords are ...
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1
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Allow my users to remove root-owned directories within their HOME
My users are on Ubuntu running Docker and mounting directories in their sessions. The problem is that any non-existing directory or file mounted with Docker is owned by root.
I would like to allow my ...
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Update sudoers file in multiple servers with a bash script
I have 50 Linux servers and can login to the servers without root password (I know the password). Now I would like to add 3 lines in sudoers file on each servers. Obviously logging into 50 servers and ...
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How does the sudoers option 'pam_session' correspond to PAM's 'session' type?
On a CentOS 7 system, I want to prevent lines such as
May 20 08:55:05 c090 sudo: pam_unix(sudo:session): session opened for user root by (uid=0)
May 20 08:55:05 c090 sudo: pam_unix(sudo:session): ...
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how to create a script shell command
Hi evry one can someone help me to get this command with scrit shell ?
root@VPS:/work# cpan
Loading internal logger. Log::Log4perl recommended for better logging
CPAN.pm requires configuration, but ...