Set up Linux on IBM System z for Production

Sample procedure

This appendix provides a sample procedure to move from a development environment to a production environment.

C.1 Pre-production steps

o Open a change request or a service request to document the environment state change

o Check if the server is updated

For RHEL:

# yum check-update

For SUSE:

# zypper lu

o Verify the umask

# touch /etc/profile.local;echo "umask 077" >> /etc/profile.local;chmod 644 /etc/profile.local

o Set “root” ID to expire periodically (30, 60, 90 days)

# chage -m 1 -M 90 root

o Verify if “support” ID password ...