39
votes
6answers
3k views

Is it OK to set up passwordless `sudo` on a cloud server?

Sorry if the question is vague but I don't know a better way to ask and I didn't see the caveats/tradeoffs of the approach discussed here. I love the idea of accessing servers via keys, so that I ...
2
votes
2answers
497 views

Configure Ubuntu to allow ssh login via pulic/private key and sudo without password

I'm setting up a fresh Ubuntu 13.04 server. I created some users and copied their public keys for ssh authentication to their home folders. Login via password will be disabled. Everything works fine ...
1
vote
3answers
355 views

Can't use sudo without password on Ubuntu 12

Maybe my question is stupid but I'm really stuck... My OS is Ubuntu 12.04 My sudoers: # # This file MUST be edited with the 'visudo' command as root. # # Please consider adding local content in ...
4
votes
3answers
481 views

Can I sudo a command on behalf of another user?

I'm using drupal and Aegir. Aegir automates many tasks of site creation. Aegir has control of Apache, I'm logen in as root, and I want to restart the Apache server, but I want to do it on Aegirs ...
2
votes
3answers
977 views

ec2-user password for running sudo -H -u

I have to run this command to initialize gitosis: sudo -H -u git gitosis-init < /home/ec2-user/id_rsa.pub But that asks me for a password for ec2-user: $ sudo -H -u git gitosis-init < ...
3
votes
2answers
540 views

Key authentication not working when using ssh or rsync as sudo

I have ssh RSA key authentication setup between a client and an ubuntu server (following this procedure): -the RSA key authentication for ssh and rsync work fine (no need for password). -the RSA key ...
7
votes
3answers
676 views

Temporarlly increasing sudo's timeout for the duration of an install script

I'm trying to write a script, that will install a bunch of software, I'd like to not have to run everything as root, so I'd like to be able to prompt for a password and then go about the install, ...
23
votes
4answers
25k views

How to setup passwordless `sudo` on Linux?

How can passwordless sudo access be setup on either RHEL (Fedora, CentOS, etc) or Ubuntu distributions? (If it's the same across distros, that's even better!) Setting: personal and/or lab/training ...
2
votes
4answers
416 views

sudo like in Ubuntu (for Debian and other Linuxes)

I personally like the default sudo behavior of Ubuntu: - Root login impossible - "admin" group granted "ALL=(ALL) ALL" - users in the "admin" group are asked for their user password (not a root ...
3
votes
4answers
1k views

Configure sudo to ask for root password

Is it possibile to configure sudo to ask for root password instead of user password? The server is configured with a root user and a simple user (let's call him simple) with limited privileges, used ...
4
votes
4answers
3k views

ubuntu - how can I avoid typing a password on every admin action?

I just set-up ubuntu 9.10 on my computer, and I'm trying to figure out how to avoid typing a password on every action that requires sudo privileges. I just want to type a password once on login and ...