46 lines
757 B
Markdown
46 lines
757 B
Markdown
|
---
|
||
|
title: Ethernet
|
||
|
updated: 2022-04-27 17:47:40Z
|
||
|
created: 2021-05-04 14:58:11Z
|
||
|
---
|
||
|
|
||
|
# Ethernet
|
||
|
|
||
|
## Change mac address:
|
||
|
|
||
|
macchanger <device> -r
|
||
|
|
||
|
## local ip address:
|
||
|
|
||
|
hostname -I
|
||
|
|
||
|
## public ip address:
|
||
|
|
||
|
curl ipinfo.io/ip
|
||
|
|
||
|
## scan local network
|
||
|
|
||
|
sudo arp-scan --interface=enp4s0 --localnet
|
||
|
|
||
|
```bash
|
||
|
sudo service network-manager restart
|
||
|
sudo vi [/etc/dhcp/dhclient.conf](file:///etc/dhcp/dhclient.conf)
|
||
|
```
|
||
|
|
||
|
edit "prepend domain-name-servers" for DNS servers
|
||
|
|
||
|
## Monitor wifi
|
||
|
|
||
|
wavemon
|
||
|
|
||
|
## available wifi networks
|
||
|
|
||
|
nmcli connection show
|
||
|
|
||
|
## which DNS server in use:
|
||
|
|
||
|
( nmcli dev list || nmcli dev show ) 2>/dev/null | grep DNS
|
||
|
nm-tool | grep DNS
|
||
|
|
||
|
|
||
|
[Unbound](https://aacable.wordpress.com/2019/12/10/short-notes-for-unbound-caching-dns-server-under-ubuntu-18/)
|