Linux - How to get CPU information

Question : How to show information of CPU in Linux?
Answer : Command dmidecode with option "t" followed by parameter "processor" could be used to show hardware information related to CPU in Linux.
Example :

[root@server ~]# dmidecode -t processor

Question : How to show number of processor in Linux?
Answer : Command dmidecode with option "t" followed by parameter "processor" could be used to show hardware information related to CPU in Linux. Search for keyword "proc".
Example :

[root@server ~]# dmidecode -t processor|grep -i "proc "|wc -l

Question : How to get machine's model and serial number from Linux operating system?
Answer : Use dmidecode command with option "t" and parameter "1" to display machine's model and serial number information.
Example :

[root@server ~]# dmidecode -t 1 # dmidecode 2.11 SMBIOS 2.6 present. Handle 0x0100, DMI type 1, 27 bytes System Information Manufacturer: HP Product Name: ProLiant DL380 G6 Version: Not Specified Serial Number: GB8003FKP9 UUID: 33343934-3932-4247-3830-3033464B5039 Wake-up Type: Power Switch SKU Number: 494329-B21 Family: ProLiant