Tagged Questions
2
votes
3answers
37 views
Is there a way to maintain ssh-agent connectivity in different screens?
Whenever I use ssh-agent for passwordless logins it doesn't work across different logins and screen sessions, even if they are concurrent.
I suspect it uses some shell variables that don't work ...
2
votes
3answers
45 views
Log in with specific shell at terminal login
If I log in to a system over ssh, I can use the default shell with a simple ssh user@host, or specify something like ssh user@host 'bash --norc --noprofile' or ssh user@host ksh.
Is it possible to ...
4
votes
1answer
280 views
How many users does Linux support being logged in at the same time via SSH?
I know Linux supports multiple users being logged in at the same time.
But what's the maximum number of users that can be logged into Linux at the same time?
I see there are there are 69 tty files ...
0
votes
1answer
132 views
Unable to login to my server using ssh
Yesterday I was migrating to my new server, needed to use rsync, I created a RSA key, so that rsync could connect, I saw an error that says add to trusted key in location x I didn't have that location ...
2
votes
1answer
86 views
How to tell where recent ssh sessions originated from?
I know that sometimes when I login to systems they print out where the most recent ssh session originated from (usually an ip address or hostname). How can I lookup where some of the most recent ssh ...
3
votes
3answers
828 views
Disable user shell for security reasons
We have several user accounts that we create for automated tasks that require fine-grained permissions, such as file transfer across systems, monitoring, etc.
How do we lock down these user accounts ...
2
votes
4answers
6k views
SSH login with clear text password as a parameter?
I need to login to a user that I've created on a remote host running Ubuntu. I can't use an ssh key because the ssh login will happen from a bash script ran within a server that I wont have access to ...
8
votes
3answers
6k views
Which users are allowed to log in via SSH by default?
When I set up my Debian 6, I was wondering, which users apart from root whose password I know can log into my system via SSH?
When I install Apache 2 a user called www-data gets created. Does this ...
2
votes
2answers
672 views
log remote X session from ssh (PuTTY)
I've googled alot about this and can't find a way to do this (or if it's even possible)
I want to log a user on a remote machine in his X session (Gnome) from a ssh in a windows machine with PuTTY.
...
2
votes
1answer
185 views
Why am I not able to login directly using SSH
Suppose, the server address is abcd.com.
On my local machine at my workplace, I have to login to that server, using
ssh <my employeeid>@abcd.com
Then, to login to user myname , I have to use
...
3
votes
2answers
3k views
What are the different ways that a message can be displayed to a bash shell after a user logs in?
I have a CentOS 5.7 VPS using bash as its shell that displays a branded greeting immediately after logging in via SSH. I've been trying to modify it, but can't seem to find where it is in the usual ...
0
votes
2answers
415 views
How to check that ssh login was successful in a script?
I do run ssh server "svn info /path/to/codebase" from php. It works fine but I wan to know how to check if the ssh login was not successful.
I want to check from my php script that ssh server is up ...
4
votes
1answer
87 views
How can I log in my laptop with public key authentication?
Stemming from my recent aversion to passwords (this thread convinced me), I'm wondering if there's a way to login locally (on my laptop running Crunchbang/Debian) by using public-key encryption.
I ...
1
vote
2answers
293 views
Running any kind of login script when sh is linked to bash
My problem: My web host offers ssh to their shared server. I want to set up a couple of aliases and such, so I'm trying to get a login script of any flavor to run. If my shell was plain bash, I would ...
2
votes
1answer
135 views
Why can I still log in via SSH (PAM Auth) while `shutdown -k` is active?
Pretty straight-forward. Does SSH ignore the nologin file created by shutdown -k TIME?
Using PAM Auth to sync password database to users; if that makes a difference.
1
vote
1answer
1k views
How do I log out of all my active sessions?
For some reason, I have a few open sessions on an SSH server that I don't know about. I assume they're leftovers from when my pipe broke.
$ users
user1 user2 user3 me me me me
Is there a way to log ...
5
votes
4answers
1k views
automatic passwordless ssh at login/restart
I want to have passwordless ssh to persist even after after I restart or logoff and then login. Somehow I have to run ssh-agent and use command ssh-add at login. I read here to add following lines to ...
3
votes
1answer
2k views
Can a user with /sbin/nologin shell login through ssh?
Is it possible to ssh to a machine as a user with no valid shell (say, mail)? So far I cannot, and using the command below doesn't work:
$ ssh mail@machine.local /bin/bash
It will always say "This ...
1
vote
1answer
7k views
How to enable remote login?
Currently I can only login to my remote linux via the "ubuntu" user account, without a password (via SSH authentication). I have another user configured on the machine, and if I try to login with its ...
5
votes
2answers
1k views
Creating a UNIX account which only executes one command
Is there a way to create a user account in Solaris which allows the users to run one command only? No login shell or anything else. I could possibly do it with /usr/bin/false in /etc/passwd and just ...
