cat /var/run/yum.pid
<pid>
kill -9 <pid>To get more details, use
ps -p <pid>or
ps -ef | grep <pid>Tag: Linux
Check and enable firewalld in Linux
Firewalld is a firewall management solution provided by Linux.
Check if firewalld is running:
sudo firewall-cmd --state
runningDisable firewalld:
sudo systemctl disable --now firewalldCheck its state again:
sudo firewall-cmd --state
not runningEnable firewalld:
sudo systemctl disable --now firewalld
or
sudo /usr/sbin/firewalld