tuned

    set 
    
    tuned-adm profile network-latency   throughput-performance powersave 

    get 

    tuned-adm active

bcc-tools

    cd /usr/share/bcc/tools/
    ./tcplif

firewall-cmd

    firewall-cmd --list-ports
    firewall-cmd --add-port=8080/tcp  --permanent
    firewall-cmd --remove-forward-port=port=8080:proto=tcp:toport=80:toaddr=
    firewall-cmd --reload
    firewall-cmd --permanent --add-service=samba

参考

RHEL8 发行说明

tuned