====== Síť ======

Seznam síťových zařízení a jejich adresy.
  ip address

===== hostname =====

Výpis
  hostnamectl status

Změna hostname
  hostnamectl set-hostname Nove-Jmeno
  hostnamectl set-hostname "Nove Jmeno" 

Restart hostname služby
  systemctl restart systemd-hostnamed  
  
===== NetworkManager =====

  nmcli device status
  nmcli connection show
  
==== RockyLinux 9 ====

NetworKmanager --print-config

/etc/NetworkManager/NetworkManager.conf


Umístění nastavení připojení

/etc/NetworkManager/system-connections/*.nmconnection
  
Vytvořit bridge 
nmcli connection add type bridge ifname br0 con-name br0 ipv4.method manual ipv4.addresses "10.0.1.1/24"
nmcli con up vbr0

nmcli con add type tun ifname tap0 con-name tap0 mode tap owner 0 ip4 0.0.0.0/24

nmcli con add type bridge-slave ifname tap0 master br0
 ===== IP kalkulačka =====

  ipcalc
  ipcalc 192.168.0.135 -s 15 15   (vytvořit 2x15)
===== wavemon =====

wireless network monitor

  apt install wavemon
  
===== bridge =====

<code>
# brctl
# commands:
        addbr           <bridge>                add bridge
        delbr           <bridge>                delete bridge
        addif           <bridge> <device>       add interface to bridge
        delif           <bridge> <device>       delete interface from bridge
        setageing       <bridge> <time>         set ageing time
        setbridgeprio   <bridge> <prio>         set bridge priority
        setfd           <bridge> <time>         set bridge forward delay
        sethello        <bridge> <time>         set hello time
        setmaxage       <bridge> <time>         set max message age
        setpathcost     <bridge> <port> <cost>  set path cost
        setportprio     <bridge> <port> <prio>  set port priority
        show                                    show a list of bridges
        showmacs        <bridge>                show a list of mac addrs
        showstp         <bridge>                show bridge stp info
        stp             <bridge> <state>        turn stp on/off</code>