Dark horse programmer - software testing - stage 08 2-linux and database-23-30-process port related, modify file permissions, obtain port number information, program and process related operations, Li

23- Process port related

24-linux Command cases 4 And order summary

Case study 4: restart / To turn it off / Check system information

cat /etc/redhat release
The distribution version is based on the kernel version
reboot Restart a system
shutdown -h now

reboot: restart
shutdown -h now: To turn it off
cat /proc/version: Check the kernel version
cat /etc/redhat -release: Check out the release
cat /rpoc/version
cat /etc/redhat -release: Check out the release

25linux Command cases 5

ps -aux
PID process id
COMMAND
process id It is usually a random number , Have unique characteristics
02 Open a Firefox browser manually
ps -aux | grep firefox