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