CPU, memory, disk, IO stream query
View CPU Information
Nuclear Nuclear = Total number of the physical CPU number X every single physical CPU
total number of logical CPU = CPU number X of physical particles per physical CPU core number X hyperthreads
View the number of physical CPU
cat /proc/cpuinfo| grep "physical id"| sort| uniq| wc -l
See core in each physical CPU number (i.e., of cores)
cat /proc/cpuinfo| grep "cpu cores"| uniq
See logical CPU number
cat /proc/cpuinfo| grep "processor"| wc -l
View CPU information (model)
cat /proc/cpuinfo | grep name | cut -f2 -d: | uniq -c
View memory information
cat /proc/meminfo
View disk information
fdisk -l
View disk memory information
df -h
Check the performance of disk IO
iostat -x 10
