z/OS UNIX System Services Part 2 - Configuration & Implementation

Objectives

On successful completion of this course attendees will be able to:

• plan the installation and implementation of USS
• implement USS
• customise USS
• maintain the HFS environment
• describe the constraints on USS
• apply RACF security to the environment
• manage a USS environment.

Contents

USS Features & Services

UNIX structure; IPL wit USS; USS support; packaging; terminal & workstation support; displaying OMVS information; ulimit; ISHELL; processes & forks; daemons; displaying file systems; practical exercise.

USS Installation

Steps to install UNIX; modes of running z/OS UNIX; minimum, sockets-only and maximum mode; overview of security preparations; create root file system; initialisation scripts; inittabs; profiles; controlling services with BPXPRMxx parmlib member; JCL procedures; BPXOINIT and BPXAS; starting UNIX services; initial file system structure; HFS sharing; extended file system; applying maintenance; USS & WLM; USS & VLF; practical exercise.

Hierarchical File Systems - HFS

Using files from UNIX programs; the Physical File System (PFS); the Logical File System (LFS); root file system; shared file systems; Mount points and Automount facility; paths & file names; new JCL keywords for files; file administration with TSO/E; code conversion; backup/restore; practical exercise.

zFS File System

zFS aggregates; zfsadm command; zfs utility programs; define zFS data sets; zFS format aggregates & quotas; mounting zFS file systems; cloning; migrating HFS to zFS; practical exercise.

USS RACF Security

Processes; OMVS segment; managing uids &gids; superuser; UNIXPRIV; automatic uid & gid assignment; set-uid & set-gid; controlled programs; controlling daemons; BPX.* facility class profiles; file security packet bit; extattr; Restricted; using find command; chown; chmod; umask; ACLs; getfacl & setfacl; auditing USS.