2
votes
1answer
17 views

can't change user

I setup vsftp with my ftp users' home directory at /var/www but I realized, it wouldn't let em login by ftp, I tried to connect to 127.0.0.1. So then i wanted to "try out" my ftp user on the shell but ...
3
votes
2answers
229 views

How to change default shell to ZSH - chsh says “invalid shell”

I installed ZSH on a VM of mine, where I compiled it from source. The location of ZSH is /usr/local/bin/zsh when I run chsh -s /usr/local/bin/zsh it outputs chsh: /usr/local/bin/zsh is an invalid ...
0
votes
1answer
299 views

How do I change login shell to nologin for an LDAP user RHEL 6?

yum install ypchsh and yum install ldapmodify both don't find a package. I only want to change the shell for certain ldap users on this one server. Someone please help, I can't seem to figure this ...
2
votes
2answers
76 views

Convert numeric string from file to exit code in shell

I'd like to grep /etc/password for a username and return the last two digits of a user-id number as the return code. This is because I have an application whose main way of interacting with other ...
1
vote
1answer
46 views

Why do I see myself twice when I run the who command? [duplicate]

When I run who on my ubuntu laptop I see myself listed twice. Once with pts/0 and once with pts/2. Why is that?
0
votes
3answers
1k views

Get environment variable of other user [closed]

Is there a way I can see the environment variable of an other user? I want to do that as root, so permissions won't be a problem I guess. For the user himself, I use echo $PATH or set | grep PATH ...
2
votes
1answer
163 views

Does each user get his/her own tty(s)?

I put a simple echo command in a CLI tty by user1 expecting it to reach user2 who is logged in a separate tty. echo "Hello, world!" >> /dev/tty5 I expected user2 to get the echo message but ...
4
votes
3answers
4k 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 ...
4
votes
1answer
4k views

Running chsh does not change shell

I want to change my shell from bash to zsh. I have tried running the following while logged in as user zol: $ chsh -s /bin/zsh $ sudo chsh -s /bin/zsh zol $ su -c 'chsh -s /bin/zsh zol' # The above ...
7
votes
2answers
384 views

How do I add network or user source connection data to history entries?

I would like to modify the history settings for all users on the systems that I manage. I would like it to contain the information from the connecting terminal like from who sysadmin:/ # who sysadmin ...
21
votes
5answers
1k views

Recovering from setting root's shell to a bad file

Let's say I've gone and done a silly thing, such as using 'chsh' to change the root user's shell to a bad file path. Future logins to the root account will abruptly fail, citing /bin/whatever not ...
4
votes
2answers
420 views

Permanently switching to zsh in a script, without being root and without being asked for the password

Is there any way to run chsh -s /bin/zsh without being root and without being asked for the password? I want to put it into a non-interactive script that isn't called by root.
2
votes
4answers
435 views

different shell for root and non-root user

When I ssh as root, my shell is bash, but when it's a non-root user it is sh. How can I make them both to use bash? This actually goes against the logic in this question: Why root's default shell is ...
4
votes
2answers
3k views

How do I give all the permissions to a file for a single user that's not me?

When I want to grant access to another user to my file, I use chmod 777 file, but if I want to be sure I'm granting permission just for that user, how can I do it? -- update The file is owned by ...
6
votes
1answer
2k views

Why can't I use arrow keys in terminal on Debian 6? (nonroot)

When I am on a non-root user I cannot use ↑/↓ to list my previous commands, and if I am typing I can't use ←/→ to say, add in a directory or to correct the ...
5
votes
1answer
678 views

Why root's default shell is configured differently with other normal user account's default shell?

As I know, root's default shell is configured csh and normal user's default shell is sh in FreeBSD. And in Ubuntu, root is dash, normal user is bash. (refer: What's the Ubuntu's default shell?) Why ...
2
votes
3answers
380 views

su and aliases confusion

I create an alias as my current user in the bash shell, which I can see using the alias command. When I switch user without the -, i.e. su testuser, the alias is not carried into the new user's ...
12
votes
3answers
3k views

Creating a user who cannot get an interactive shell

What are interactive and non-interactive shell? Questions: Create a user john who should not get an interactive shell. How can we do this?
6
votes
7answers
1k views

Is it bad practice to set root's shell to something other than the default?

Once a friend of mine (who is an experienced Unix/Linux user) told me that setting root's shell to something other than sh (i.e bash or zsh) might create problems, because some script might assume ...