passwd in shell script


 
Thread Tools Search this Thread
Top Forums Shell Programming and Scripting passwd in shell script
# 8  
Old 10-02-2006
I had this problem, I thought about sed on the password file and/or shadow file but too risky. if sed stuffs up the file your ALL users are doomed!
The safest way was to install "expect" and use it eith as an expect script or from withion a shell script.
Basiccly passwd will always stop and request command line input. Its a security thing....
# 9  
Old 10-02-2006
mdhmi - You're absolutely right. The --stdin option isn't universal. Which is why I prefixed the statement with this:
Quote:
Yours might not accept input from a script, depending on the system.
Login or Register to Ask a Question

Previous Thread | Next Thread

10 More Discussions You Might Find Interesting

1. UNIX for Advanced & Expert Users

Big problem: shell entry in /etc/passwd corrupted for user root

did a big mistake, changing root entry of /etc/passwd to root:x:0:0:root:/root:/usr/bin/tmux split-window -v \; attach as expected, now I can't login as root anymore. sudo ed /etc/passwd etc. doesn't work. Any idea? Use code tags to increase readability and follow the rules. (4 Replies)
Discussion started by: dodona
4 Replies

2. Shell Programming and Scripting

Ssh passwd less, shell script

Hi All, Wishes!! I need some help to prepare a script to copy the public key from admin host to multiple client hosts to make them login without password. Detailed : I have an admin host "admin1" and i generated sshkeygen, now i have id_rsa.pub and i have around 50 client hosts. i... (4 Replies)
Discussion started by: kumar85shiv
4 Replies

3. Shell Programming and Scripting

Dont want to mention user id passwd in shell script

Hi, i have one shell script which transfers files from one server to other server through FTP, but i can see login id and password is not mentioned. kindly help to understand the script.then how below script is working if login and password is not mentioned in script #!/bin/sh... (1 Reply)
Discussion started by: ni3b007
1 Replies

4. AIX

When did AIX start using /etc/security/passwd instead of /etc/passwd to store encrypted passwords?

Does anyone know when AIX started using /etc/security/passwd instead of /etc/passwd to store encrypted passwords? (1 Reply)
Discussion started by: Anne Neville
1 Replies

5. Shell Programming and Scripting

Help required to write shell script to change passwd

Hi All, I wanted to write a shell script which will change the expired passwd in oracle. Here is below what I am trying, #!/bin/sh set -x ORACLE_HOME="/optware/oracle/9.2.0.2_64" SQLPLUS="${ORACLE_HOME}/bin/sqlplus" PASS="xyz" PATH=$ORACLE_HOME/bin:$PATH... (0 Replies)
Discussion started by: gr8_usk
0 Replies

6. Solaris

passwd cmd reenables passwd aging in shadow entry

Hi Folks, I have Solaris 10, latest release. We have passwd aging set in /etc/defalut/passwd. I have an account that passwd should never expire. Acheived by emptying associated users shadow file entries for passwd aging. When I reset the users passwd using passwd command, it re enables... (3 Replies)
Discussion started by: BG_JrAdmin
3 Replies

7. Red Hat

Root shell in /etc/passwd is corrupted

I accidentally changed root shell from /bin/bash to bash in /etc/password, then logged out from root. Now I can't login as root and got "No shell" error, although I have root password. "su -f -s /bin/bash" command does NOT work. There is no GUI interface for this system. My question: Do I have... (7 Replies)
Discussion started by: aixlover
7 Replies

8. Shell Programming and Scripting

Change /etc/passwd shell to telnet with parameters

Hello *nix users, I'm wondering if there's a way to change a user's default shell in /etc/passwd to the telnet program along with some parameters. For instance: user:x:1001:1001::/home/user:/usr/bin/telnet localhost 12345 The above line in the /etc/passwd file gives the following error... (2 Replies)
Discussion started by: tux0084
2 Replies

9. Shell Programming and Scripting

Why passwd isnt working in shell scripts?

I had to write a script to change my login password, and the script wasnt working fine. When I searched through the previous postings in this forum, I got the solution (using 'expect' tool). But I would like to know why passwd command isnt working in scripts? (1 Reply)
Discussion started by: Deepa
1 Replies

10. UNIX for Advanced & Expert Users

How to "su" along with passwd within a shell script?

Hi, I have a shell script in which I need to switch user and execute some commands and then come back to the original user. To make it more clear - I have to log in as user xxx (this user is not root)- then 'su' to yyy - execute a script called zzz - then logout to xxx. The problem I am... (2 Replies)
Discussion started by: unique
2 Replies
Login or Register to Ask a Question