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System Administration Guide: Advanced Administration Oracle Solaris 11 Express 11/10 |
1. Managing Terminals, Modems and Serial Port Services (Tasks)
2. Displaying and Changing System Information (Tasks)
Displaying System Information (Task Map)
How to Display a System's Release Information
How to Display a System's Host ID Number
How to Display a System's Product Name
How to Display a System's Installed Memory
How to Display the Date and Time
Command Option to Identify Chip Multithreading Features
How to Display a System's Physical Processor Type
How to Display a System's Logical Processor Type
Changing System Information (Task Map)
3. Scheduling System Tasks (Tasks)
4. Managing System Processes (Tasks)
5. Monitoring System Performance (Tasks)
6. Troubleshooting Software Problems (Tasks)
7. Managing Core Files (Tasks)
8. Managing System Crash Information (Tasks)
This section describes commands that enable you to change general system information.
For more information, see How to Obtain Administrative Rights in System Administration Guide: Security Services.
# date mmddHHMM[[cc]yy]
Month, using two digits.
Day of the month, using two digits.
Hour, using two digits and a 24-hour clock.
Minutes, using two digits.
Century, using two digits.
Year, using two digits.
See the date(1) man page for more information.
Example 2-7 Manually Setting a System's Date and Time
The following example shows how to use the date command to manually set a system's date and time.
# date Monday, September 13. 2010 02:00:16 PM MDT # date 0921173404 Thu Sep 17:34:34 MST 2010
Edit the message-of-the-day file, /etc/motd, to include announcements or inquiries to all users of a system when they log in. Use this feature sparingly, and edit this file regularly to remove obsolete messages.
$ su - Password: #
Note - This method works whether root is a user or a role.
Edit the text to include the message that will be displayed during user login. Include spaces, tabs, and carriage returns.
$ cat /etc/motd Welcome to the UNIX Universe. Have a nice day.
Example 2-8 Setting Up a Message-Of-The-Day
The default message-of-the-day, which is provided when you install Oracle Solaris software, contains version information. The following example shows an edited /etc/motd file that provides information about system availability to each user who logs in.
$ cat /etc/motd The system will be down from 7:00 a.m to 2:00 p.m. on Saturday, July 7, for upgrades and maintenance. Do not try to access the system during those hours. Thank you.
A system's host name is specified in several different locations.
Remember to update your name service database to reflect the new host name.
Use the following procedure to change or rename a system's host name.
You can also use the sys-unconfig command to reconfigure a system, including the host name. For more information, see the sys-unconfig(1M) man page.
/etc/nodename
/etc/hostname.*interface
/etc/inet/hosts
/etc/inet/ipnodes (Applies only to some releases)
# cd /var/crash # mv old-host-name new-host-name
# init 6