Starting the OpenSSH Server (SSHD)

Resolving The Problem

Starting the OpenSSH Server (SSHD)

To start the SSHD, the following is required:

• LPP 5722SS1 Option 30 (Qshell), Option 33 (Portable App Solutions Environment) and LPO 5733SC1 (IBM Portable Utilities for i5/OS).

• A user profile 8 characters in length or less. If the user profile is longer than 8 characters, copy the profile to one that is 8 characters or less using the copy option on the WRKUSRPRF command.

• The user profile starting the SSH daemon must have *ALLOBJ authority.

Step 1: Sign on a system running V5R4.

Step 2: On the operating system command line, run the CALL QP2TERM operating system command to enter the PASE environment. You are shown a screen similar to the following:



Step 3: Run the change directory (cd) command to get into the proper directory to store the host keys. The correct syntax follows:
cd /QOpenSys/QIBM/UserData/SC1/OpenSSH/openssh-3.5p1/etc

Step 4: Invoke the ssh-keygen utility to generate the required host keys.

Note: The SSH daemon will not start on the operating system without having the host keys installed on the system.

ssh-keygen -t rsa1 -f ssh_host_key -N "" (Generates RSA1 key to be used with Version 1 of the SSH protocol)

ssh-keygen -t dsa -f ssh_host_dsa_key -N "" (Generates DSA key to be used with Version 2 of the SSH protocol)

ssh-keygen -t rsa -f ssh_host_rsa_key -N "" (Generates RSA key to be used with Version 2 of the SSH protocol)




Step 5: Start the SSH daemon. To run the SSH daemon on the operating system, run the following command:

QSH CMD('/QOpenSys/usr/sbin/sshd')

Step 6: To verifying that the SSH daemon is in a listen state and ready to accept incoming connections, run the following command:

NETSTAT *CNN



Note: In the local port column, port 22 or SSH signifies that the daemon is started.