IRIX® Admin: System Configuration and Operation

Document Number: 007-2859-021

Front Matter

| List of Figures | List of Examples | List of Tables | List of Procedures |

Table of Contents

New Features in This Guide

About This Guide
What This Guide Contains
Audience for This Guide
Related Publications
Obtaining Publications
Additional Resources
Reader Comments

1. Introduction to System Configuration and Operation
Principles of Good System Administration
System Administrator Task List
Administration Tools Overview

2. Making the Most of the IRIX System
IRIX Shells
Displaying Windows on Remote Workstations
Creating a Custom Shell Window
Finding and Manipulating Files
Recursive Commands
Task Scheduling with the at, batch, and cron Commands
Disabling Login with the /etc/nologin File
Using Mouse Shortcuts
Creating Man Pages
System Monitoring Tools
availmon, the System Availability Monitoring Tool

3. System Startup, Shutdown, and Run Levels
Starting the System
Shutting Down the System from Multiuser Mode
Shutting Down the System from Single-User Mode
IRIX Operating System Run Levels (System State)
Powering Off the System Using /etc/inittab

4. Configuring the IRIX Operating System
System Configuration Check
Configuring Software
Partitioning Your System
PCI Hot-Plug Support

5. System Administration in a Multiuser Environment
User Account Administration
User Environment
Sending Messages

6. Configuring Disk and Swap Space
Disk Usage Commands
Managing Disk Space
Swap Space

7. Managing User Processes
Monitoring User Processes
Prioritizing Processes
Terminating Processes
Defining and Managing Cpusets
Checkpoint and Restart
Performance Co-Pilot

8. Using the File Alteration Monitor
Configuration File
Basic fam Troubleshooting
Troubleshooting fam When Using a Sun NIS Master

9. Using the Command (PROM) Monitor
PROM Monitor
Entering the Command (PROM) Monitor
Summary of Command Monitor Commands
Getting Help in the Command Monitor
Using Command Monitor Commands
Running the Command Monitor
Command Monitor Environment Variables
Booting a Program from the Command Monitor

10. System Performance Tuning
System Performance Tuning
Monitoring the Operating System
Operating System Tuning
Recovering from an Unbootable Kernel
Multiple Page Sizes

A. IRIX Kernel Tunable Parameters
General Parameters
System Limits Parameters
Resource Limits Parameters
Paging Parameters
IPC Parameters
IPC Messages Parameters
IPC Semaphores Parameters
IPC Shared Memory Parameters
Streams Parameters
Signal Parameter
Dispatch Parameters
Filesystem Parameters
Loadable Drivers Parameters
CPU Action Parameter
Switch Parameters
Timer Parameters
NFS Parameters
Socket Parameters
VINO Parameter
Large Page Parameters
Extended Accounting Parameters
NUMA Parameters
Page Replication Parameter
Migration Memory Queue Parameters
XVM Parameters
CXFS Parameters
Core File Parameter

B. Troubleshooting System Configuration Using System Error Messages
Disk Space Messages
General System Messages
Memory and Swap Messages
System Panic Messages

C. Application Tuning
Checking Application Performance with timex
Tuning an Application
Looking at Reordering an Application
Working around Slow Commercial Applications

D. IRIX Directories and Files
IRIX root Directories
Other Important IRIX System Directories
Important IRIX System Files
IRIX Device Special Files
ASCII Conversion Table

E. Encapsulated PostScript File v.3.0 vs. PostScript File Format

F. Bibliography and Suggested Reading