FreeBSD Display Information About The System Hardware

FreeBSD Display Information Hardware Using the CLI

Following list summaries, all the command you need to gather FreeBSD hardware information.

Determining the FreeBSD Hardware Type/platform

# uname -m
Find machine processor architecture:
# uname -p
Determining FreeBSD release level:
# uname -r
Generally, following command is use to get all info at a time:
# uname -mrs
Sample outputs:

FreeBSD 5.0-RELEASE i386

One can find out if we are using 32 or 64 bit FreeBSD kernel/system:
getconf LONG_BIT

How To Find Out FreeBSD Version and Patch Level Number

Run:
freebsd-version

FreeBSD CPU info

Finding CPU information such as speed, make etc
# dmesg | grep CPU
Sample outputs:

CPU: Pentium 4 (1716.41-MHz 686-class CPU)
acpi_cpu0:  on acpi0
acpi_cpu: CPU throttling enabled, 8 steps from 100% to 12.5%

One can filter out unwanted information using the grep command/egrep command;
# dmesg | grep ^CPU
Another option is to type the following sysctl command:
sysctl -a hw.model
sysctl -a | grep -i hw.*cpu

Getting info about the memory on FreeBSD

Getting real and available memory to FreeBSD box:
# dmesg | grep memory
Output:

real memory  = 201326592 (192 MB)
avail memory = 188555264 (179 MB) 

Alternatively, try following command to grab memory information on FreeBSD:
# sysctl -a | grep hw.*mem
# sysctl -a | grep mem

Output:

hw.physmem: 194985984
hw.usermem: 167641088
hw.cbb.start_memory: 2281701376

Note systcl has more info, just type the sysctl command to see rest of all information:
# sysctl -a | less
Please note that dmesg command information is retrieved on boot. After a while of server usage, that data can be “lost.” Therefore, I suggest that use grep command directly on /var/run/dmesg.boot file:

grep ^CPU /var/run/dmesg.boot grep -w ‘memory’ /var/run/dmesg.boot

How to find out free and used memory size on FreeBSD

Finding FreeBSD hardware info using free and used RAM and memory
How to view hardware specs including memory on FreeBSD

One can run either top command or htop command that displays the top processes on the system, including free and used memory:
top
OR
htop ## need to install using 'pkg install htop' ##

Another option is to install freecolor utility. It is a free replacement that displays free memory graphically as a bargraph. It supports the same options as free command from Linux:
# pkg install freecolor
Run it:
# freecolor -t -m -o

Determining how long a system has been up

# uptime

Finding out when a system was last rebooted or shutdown

# last -1 reboot
# last -1 shutdown

Getting swap file system usage

# swapinfo -k

Finding out who is logged in and what they are doing

Following all commands can be used. The users command displays the list of all logged in users only on FreeBSD box:
# w
# who
# users

Find out when user was last logged in – You can use last command as follows:
# last user-name
For example, find out when was user named ‘vivek’ last logged, enter:
# last vivek

Say hello to pciconf

Want to find info about the PCI bus and devices on FreeBSD? Try:
pciconf -lv
Sample outputs:

ahci0@pci0:4:0:0: class=0x010601 card=0x91721849 chip=0x91721b4b rev=0x11 hdr=0x00 vendor = ‘Marvell Technology Group Ltd.’ device = ’88SE9172 SATA 6Gb/s Controller’ class = mass storage subclass = SATA pcib6@pci0:5:0:0: class=0x060400 card=0x11501849 chip=0x11501a03 rev=0x02 hdr=0x01 vendor = ‘ASPEED Technology, Inc.’ device = ‘AST1150 PCI-to-PCI Bridge’ class = bridge subclass = PCI-PCI vgapci0@pci0:6:0:0: class=0x030000 card=0x20001849 chip=0x20001a03 rev=0x21 hdr=0x00 vendor = ‘ASPEED Technology, Inc.’ device = ‘ASPEED Graphics Family’ class = display subclass = VGA igb0@pci0:7:0:0: class=0x020000 card=0x15331849 chip=0x15338086 rev=0x03 hdr=0x00 vendor = ‘Intel Corporation’ device = ‘I210 Gigabit Network Connection’ class = network subclass = ethernet igb1@pci0:8:0:0: class=0x020000 card=0x15331849 chip=0x15338086 rev=0x03 hdr=0x00 vendor = ‘Intel Corporation’ device = ‘I210 Gigabit Network Connection’ class = network subclass = ethernet ahci1@pci0:9:0:0: class=0x010601 card=0x92301849 chip=0x92301b4b rev=0x11 hdr=0x00 vendor = ‘Marvell Technology Group Ltd.’ device = ’88SE9230 PCIe SATA 6Gb/s Controller’ class = mass storage subclass = SATA

dmidecode command

FreeBSD users can install the dmidecode tool using the pkg command:
# pkg install dmidecode
Sample outputs:

Updating FreeBSD repository catalogue… FreeBSD repository is up to date. All repositories are up to date. The following 1 package(s) will be affected (of 0 checked):   New packages to be INSTALLED: dmidecode: 3.2   Number of packages to be installed: 1   62 KiB to be downloaded.   Proceed with this action? [y/N]: y [1/1] Fetching dmidecode-3.2.txz: 100% 62 KiB 63.4kB/s 00:01 Checking integrity… done (0 conflicting) [1/1] Installing dmidecode-3.2… [1/1] Extracting dmidecode-3.2: 100%

Simply run it as follows:
# dmidecode
# dmidecode -t processor
# dmidecode -t memory
# dmidecode -t bios
# dmidecode -t 0 ## code for bios (see table below) ##

CodeDescription
0BIOS
1System
2Baseboard
3Chassis
4Processor
5Memory Controller
6Memory Module
7Cache
8Port Connector
9System Slots
10On Board Devices
11OEM Strings
12System Configuration Options
13BIOS Language
14Group Associations
15System Event Log
16Physical Memory Array
17Memory Device
1832-bit Memory Error
19Memory Array Mapped Address
20Memory Device Mapped Address
21Built-in Pointing Device
22Portable Battery
23System Reset
24Hardware Security
25System Power Controls
26Voltage Probe
27Cooling Device
28Temperature Probe
29Electrical Current Probe
30Out-of-band Remote Access
31Boot Integrity Services
32System Boot
3364-bit Memory Error
34Management Device
35Management Device Component
36Management Device Threshold Data
37Memory Channel
38IPMI Device
39Power Supply
40Additional Information
41Onboard Devices Extended Information
42Management Controller Host Interface

Source : https://www.cyberciti.biz/tips/freebsd-display-information-about-the-system.html

Posted on: September 16, 2020, by :  | 25 views
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