Linux command to get Hardware Serial Number

Use command dmidecode on Linux servers to get the hardware serial number which is required for logging the case to the hardware support team.

[root@server ~]# /usr/sbin/dmidecode -t 1
# dmidecode 2.12
SMBIOS 2.8 present.

Handle 0x0100, DMI type 1, 27 bytes
System Information
        Manufacturer: Dell Inc.
        Product Name: PowerEdge R830
        Version: Not Specified
        Serial Number: G653TF7
        UUID: 4C4C4544-0043-3910-8033-C6C04F544632
        Wake-up Type: Power Switch
        SKU Number: SKU=NotProvided;ModelName=PowerEdge R830
        Family: Not Specified

OR

[root@server ~]# /usr/sbin/dmidecode -t 1 | grep -e 'Manufacturer' -e 'Product Name' -e 'Serial Number' | cut -f 2
Manufacturer: Dell Inc.
Product Name: PowerEdge R830
Serial Number: G653TF7

OR

[root@server ~]# dmidecode -s system-serial-number
G653TF7

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