How do I change passwords for specific user account under Linux operating systems using command line?
How do I unlock an user account (user login id) under Linux operating systems?
ow do I change my own password as well as the passwords of other users as required under Linux operating system without using GUI systems? How can I change or set user password on Linux operating systems?
I‘ve compiled and install an application called gpass on CentOS v5.6. But, when I run the application it does not accept any password from $HOME/.gpass and displays the following error on screen:
libglade-WARNING **: could not find signal handler ‘gpass_authentication_on_response’
How do I fix this problem and use the gpass software?
get lots of e-bills (utility, telephone, the Internet, mobile, cable and so on) in a PDF format for my small business, and I need to forward those to my accountant. However, all PDFs files are password protected. I do not want to share my account password with anyone to just open my bills. Evince is a PDF document viewer capable of displaying password protected files, but it cannot remove the password. How do I remove a password from all PDFs under Ubuntu or any other Linux distribution in a batch mode?
How do I change password under Redhat Enterprise Linux?
The default algorithm for storing password hashes in /etc/shadow is MD5. I was told to use SHA-512 hashing algorithm. How do I set password hashing using the SHA-256 and SHA-512 under CentOS or Redhat Enterprise Linux 5.4?