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Understanding system administration



Administering systems
        Understanding the basics
                What is system administration?
                What to read if you are new
                Keeping a system log
                The root account and system owner
                The keyboard
                Running programs simultaneously with multiscreen displays
                System security
                Administration interfaces
                        Desktop graphical user interface
                        The command line (shell) interface
                The kernel
                Booting the system
                System tuning
                Managing users and groups
                Backing up and restoring files
                Configuring hardware
                Adding and removing software applications
        Educating users
        Planning your site
                User resource considerations
                Network considerations
                Hardware considerations
        Summary of system administration tasks

Administering your system with SCOadmin
        Starting SCOadmin from the command line
        Refreshing data in the display
        Using point help
        Using the toolbar
                Customizing the toolbar
        Using SCOadmin in character mode
                Navigating the character screen
                Using character buttons
        Administering other systems with SCOadmin
                Remote capabilities
                        Enabling remote manager capabilities
                Distributed capabilities
                Selecting another host to manage
                Managing host groups
                        Configuring a host group
                        Performing a host group operation
                        Reading or writing a host group file
                Using the SCOadmin Setup Wizard
                Increasing SCOadmin security in a networked environment
        Troubleshooting SCOadmin
                SCOadmin will not start
                Recovering from remote administration problems
                Recovering from SCOadmin failures in character mode
                SCOadmin error trace
                The SCOadmin event log
                        Understanding the SCOadmin event log
                        Using the SCOadmin event log

Performing basic system monitoring and tuning
        Using the System Information Manager
        Using the Login Session Viewer or the who command
        Using the System Time Manager
        Using the System Monitor
                Managing log data
                Setting System Monitor alarms
                Setting System Monitor options
                Customizing System Monitor colors
                        Setting colors using the sysmonitor file
                        Setting colors using the .sys_mon file
        Using the System Tuner
        Using the System Defaults Manager
        Checking and clearing system log files
                Using the System Logs Manager
                Clearing system log files from the command line
                Clearing log files automatically
        Using the Reports Manager
                Reporting password status
                Reporting user login activity
                Making list selections
                Enabling or disabling system accounting
                Viewing system accounting reports
                Checking file security
        Communicating with users
                Message of the day
                The wall command
        Changing the maximum allowed file size (ulimit)
                Considerations for large files
        Managing swap space
                Determining swap usage
                Changing swap space size
                        Adding swap space
                        Reducing swap space
        Managing processors and processes
                Licensing multiple processors
                Using the Processor Manager
                Displaying processor information (psrinfo)
                Taking processors on/off-line (psradm)
                Binding processes to processors (pbind)
                Placing processors in an exclusive binding mode (pexbind)

System default files
        /etc/default/audit
        /etc/default/bfs
        /etc/default/cofont
        /etc/default/coterm
        /etc/default/coterm-M
        /etc/default/cron
        /etc/default/dskmgmt
        /etc/default/dump
        /etc/default/fstyp
        /etc/default/init
        /etc/default/keyboard
        /etc/default/lang
        /etc/default/locale
        /etc/default/login
        /etc/default/lp
        /etc/default/mail
        /etc/default/man
        /etc/default/mapchan
        /etc/default/mapping
        /etc/default/msdos
        /etc/default/passwd
        /etc/default/privcmds
        /etc/default/s5
        /etc/default/scoadmin
        /etc/default/scohelp
        /etc/default/sfs
        /etc/default/sh
        /etc/default/shutdown
        /etc/default/su
        /etc/default/tar
        /etc/default/ufs
        /etc/default/usemouse
        /etc/default/useradd
        /etc/default/userdel
        /etc/default/usermod
        /etc/default/vxfs
        /etc/default/workstations
        /etc/default/Xim