CentOS 7 command mapping

 Ref :
http://note.tc.edu.tw/931.html
http://note.tc.edu.tw/932.html

1. netstat
   
   ss
   ss -lt
   ss -t
   
2. route
   
   ip -route
3. ifconfig
   
   ip addr
   ip -s link
4. arp
   
   ip neigh
5. ifconfig
   
   ip link set eth1 up
   ip link set eth1 down
6. traceroute
   
   tracepath 168.95.1.1
7. service
   
   systemctl  restart firewalld
   systemctl -l status mysql
   systemctl list-unit-files | grep nginx    //check the default start option , like chkconfig
   systemctl enable nginx
   
   
   
8. iptables
   
   firewall-cmd --list-service
   firewall-cmd --list-zone
   firewall-cmd --list-all --permanent
   firewall-cmd --add-service=http
   firewall-cmd --zone=public --list-all
   firewall-cmd --zone=public --add-port=443/tcp
   firewall-cmd --zone=public --remove-port=443
   firewall-cmd --zone=public --add-source=192.168.1.0/24
   firewall-cmd --zone=public -remove-source=192.168.1.0/24
   firewall-cmd --zone=public --list-rich-rules
   firewall-cmd --zone=public --add-rich-rule='rule family="ipv4" source address="192.168.2.0/24" port port="8080" protocol="tcp" accept'
   
   vim /etc/firewalld/zones/public.xml