All About CPU
To Get CPU Info
$ cat /proc/cpuinfo
To Get CPU Architecture Info
$ lscpu
Memory Process Command
Basic Command: ps
Advance Command: ps aux
Short Syntax: ps aux –sort -type (where –sort is indicated the shorting and -type indicate which you want to short ex: if memory then -%mem)
Type :
USER = user owning the process
PID = process ID of the process
%CPU = It is the CPU time used divided by the time the process has been running.
%MEM = ratio of the process’s resident set the size to the physical memory on the machine
VSZ = virtual memory usage of the entire process (in KiB)
RSS = resident set size, the non-swapped physical memory that a task has used (in KiB)
TTY = controlling tty (terminal)
STAT = multi-character process state
START = starting time or date of the process
TIME = cumulative CPU time
COMMAND = command with all its arguments
Example :
Ex-1: Show all process with memory shorting
Command: ps aux –sort -%mem
RAM Command – Details
RAM Used
-
free (with byte)
-
free -h (with MegaByte)
Disk Space :
df -h — Disk Free
Size Folder Command :
du -msh — all folder size of a directory
du -sh * — all folder size individually
Network Status :
netstat -tulnp (port statistics)
netstat -nlp | grep 8891 (check port 8891)
netstat -atpn (Kind of Port statistics)
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