Solution to network instability after Linux system upgrade

Solution:

Check the firewall status first

root@localhost #service iptables status

IfFirewall is stoppedis displayed, it means that the firewall has been stopped Turn off

If not, please type the command

#：service iptables stop

and then use the command:

#sudo reboot

It will take effect after restarting.

Recommended tutorial:Linux tutorial

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