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Operating System Monitoring
26 Secure Services Gateway (SSG) Maintenance Guide
For example, lspci can be used to determine the manufacturer, model, and memory size of a
system’s video card:
01:00.0 VGA compatible controller: Matrox Graphics, Inc. MGA G400 AGP (rev 04) \ (prog-if 00
[VGA])
Subsystem: Matrox Graphics, Inc. Millennium G400 Dual Head Max Flags: medium devsel, IRQ
16
Memory at f4000000 (32-bit, prefetchable) [size=32M]
Memory at fcffc000 (32-bit, non-prefetchable) [size=16K] Memory at fc000000 (32-bit,
non-prefetchable) [size=8M]
Expansion ROM at 80000000 [disabled] [size=64K] Capabilities: [dc] Power Management
version 2 Capabilities: [f0] AGP version 2.0
Note:
Note: You can use the lspci command to determine the network card in your system if
you do not know the manufacturer or model number.
Additional resources
To learn more about gathering system information, see the following resources:
● Using commands:
- ps --help — Displays a list of options that can be used with ps.
- top manual page — Type man top to learn more about top and its many options.
- free manual page — type man free to learn more about free and its many options.
- df manual page — Type man df to learn more about the df command and its many
options.
- du manual page — Type man du to learn more about the du command and its many
options.
- lspci manual page — Type man lspci to learn more about the lspci command and its
many options.
- /proc/ directory — The contents of the /proc/ directory can also be used to gather more
detailed system information. Refer to the Red Hat Enterprise Linux Reference Guide for
additional information about the /proc/ directory.
● Linux Manuals:
- Go to the Red Hat Enterprise Linux web site for the manuals.
1. In a browser, type: www.redhat.com
2. Click Support on the home page.
3. Under the column Support Resources, go to Documentation.
4. From the drop-down menu, select Red Hat Enterprise Linux. A list of manuals
appears.