Nesse artigo vou falar como você pode configurar a rede ethernet cabeada em seu ubuntu.
Existem duas maneiras de se configurar o netplan , usando o Network Manager e o Systemd.
Vamos inicialmente configurar usando Network Manager .
Vamos identificar o nome das nossa placa de rede.
julio@julio-PC:~$ ip link show
1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN mode DEFAULT group default qlen 1000
link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00
2: enp0s3: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc fq_codel state UP mode DEFAULT group default qlen 1000
link/ether 08:00:27:ab:47:90 brd ff:ff:ff:ff:ff:ff
3: enp0s8: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc fq_codel state UP mode DEFAULT group default qlen 1000
link/ether 08:00:27:03:22:e9 brd ff:ff:ff:ff:ff:ff
No meu caso :
enp0s3 : ip 10.0.2.15/24 Gateway 10.0.2.2 dns 10.0.2.3
enp0s8 ip 192.168.101.162/24 gateway 192.168.101.1 dns 192.168.101.1
Vamos listar qual o nome do arquivo do netplan de nosso sistema.
julio@julio-PC:~$ ls -latr /etc/netplan total 20 -rw-r--r-- 1 root root 104 fev 9 2019 01-network-manager-all.yaml drwxr-xr-x 2 root root 4096 fev 9 2019 . drwxr-xr-x 132 root root 12288 mai 11 11:49 ..
Inicialmente a interface como DHCP.
sudo vi /etc/netplan/01-network-manager-all.yaml
Lembrando da indentação do texto pois caso não esteja dessa forma ele vai dar erro.
network:
version: 2
renderer: NetworkManager
ethernets:
enp0s3:
dhcp4: true
enp0s8:
dhcp4: true
Vamos aplicar:
sudo netplan --debug apply
julio@julio-PC:~$ sudo netplan --debug apply
** (generate:2620): DEBUG: 12:27:58.108: Processing input file /etc/netplan/01-network-manager-all.yaml..
** (generate:2620): DEBUG: 12:27:58.109: starting new processing pass
** (generate:2620): DEBUG: 12:27:58.109: enp0s8: setting default backend to 2
** (generate:2620): DEBUG: 12:27:58.109: enp0s3: setting default backend to 2
** (generate:2620): DEBUG: 12:27:58.109: Generating output files..
** (generate:2620): DEBUG: 12:27:58.109: networkd: definition enp0s8 is not for us (backend 2)
** (generate:2620): DEBUG: 12:27:58.110: networkd: definition enp0s3 is not for us (backend 2)
DEBUG:no netplan generated networkd configuration exists
DEBUG:netplan generated NM configuration exists, restarting NM
DEBUG:enp0s3 not found in {}
DEBUG:enp0s8 not found in {'enp0s3': {'dhcp4': True}}
DEBUG:Merged config:
network:
bonds: {}
bridges: {}
ethernets:
enp0s3:
dhcp4: true
enp0s8:
dhcp4: true
vlans: {}
wifis: {}
DEBUG:Skipping non-physical interface: lo
DEBUG:device enp0s3 operstate is up, not changing
DEBUG:device enp0s8 operstate is up, not changing
DEBUG:{}
DEBUG:netplan triggering .link rules for lo
DEBUG:netplan triggering .link rules for enp0s3
DEBUG:netplan triggering .link rules for enp0s8
Vamos verificar os nomes criados.
julio@julio-PC:~$ nmcli connection show NAME UUID TYPE DEVICE netplan-enp0s3 0cd33900-1641-328d-802b-91673510829b ethernet enp0s3 netplan-enp0s8 7ba7a298-c741-366c-a1ac-84ad05b0a814 ethernet enp0s8
Verificando a configuração:
ulio@julio-PC:~$ nmcli connection show netplan-enp0s3 connection.id: netplan-enp0s3 connection.uuid: 0cd33900-1641-328d-802b-91673510829b connection.stable-id: -- connection.type: 802-3-ethernet connection.interface-name: enp0s3 connection.autoconnect: sim connection.autoconnect-priority: 0 connection.autoconnect-retries: -1 (default) connection.auth-retries: -1 connection.timestamp: 1589217779 connection.read-only: não GENERAL.UUID: 0cd33900-1641-328d-802b-91673510829b GENERAL.DEVICES: enp0s3 GENERAL.STATE: ativado GENERAL.DEFAULT: sim GENERAL.DEFAULT6: não GENERAL.SPEC-OBJECT: -- GENERAL.VPN: não GENERAL.DBUS-PATH: /org/freedesktop/NetworkManager/ActiveConnection/1 GENERAL.CON-PATH: /org/freedesktop/NetworkManager/Settings/2 GENERAL.ZONE: -- GENERAL.MASTER-PATH: -- IP4.ADDRESS[1]: 10.0.2.15/24 IP4.GATEWAY: 10.0.2.2 IP4.ROUTE[1]: dst = 0.0.0.0/0, nh = 10.0.2.2, mt = 100 IP4.ROUTE[2]: dst = 10.0.2.0/24, nh = 0.0.0.0, mt = 100 IP4.ROUTE[3]: dst = 169.254.0.0/16, nh = 0.0.0.0, mt = 1000 IP4.DNS[1]: 10.0.2.3 DHCP4.OPTION[1]: requested_host_name = 1 DHCP4.OPTION[2]: requested_domain_search = 1 DHCP4.OPTION[3]: dhcp_message_type = 5 DHCP4.OPTION[4]: requested_time_offset = 1 DHCP4.OPTION[5]: requested_domain_name = 1 DHCP4.OPTION[6]: requested_rfc3442_classless_static_routes = 1 DHCP4.OPTION[7]: requested_broadcast_address = 1 DHCP4.OPTION[8]: requested_wpad = 1 DHCP4.OPTION[9]: requested_netbios_scope = 1 DHCP4.OPTION[10]: next_server = 10.0.2.4 DHCP4.OPTION[11]: broadcast_address = 10.0.2.255 DHCP4.OPTION[12]: requested_interface_mtu = 1 DHCP4.OPTION[13]: requested_subnet_mask = 1 DHCP4.OPTION[14]: dhcp_lease_time = 86400 DHCP4.OPTION[15]: routers = 10.0.2.2 DHCP4.OPTION[16]: ip_address = 10.0.2.15 DHCP4.OPTION[17]: requested_static_routes = 1 DHCP4.OPTION[18]: expiry = 1589297279 DHCP4.OPTION[19]: filename = Kubuntu-18.pxe DHCP4.OPTION[20]: requested_domain_name_servers = 1 DHCP4.OPTION[21]: domain_name_servers = 10.0.2.3 DHCP4.OPTION[22]: requested_ntp_servers = 1 DHCP4.OPTION[23]: requested_netbios_name_servers = 1 DHCP4.OPTION[24]: requested_ms_classless_static_routes = 1 DHCP4.OPTION[25]: requested_routers = 1 DHCP4.OPTION[26]: subnet_mask = 255.255.255.0 DHCP4.OPTION[27]: network_number = 10.0.2.0 DHCP4.OPTION[28]: dhcp_server_identifier = 10.0.2.2 IP6.ADDRESS[1]: fe80::a00:27ff:feab:4790/64
A configuração com ip fixo, network manager:
sudo vi /etc/netplan/01-network-manager-all.yaml
network:
version: 2
renderer: NetworkManager
ethernets:
enp0s3:
dhcp4: no
addresses: [10.0.2.15/24]
gateway4: 10.0.2.2
nameservers:
addresses: [10.0.2.3,8.8.8.8]
search: [it-howto.org]
enp0s8:
dhcp4: no
addresses: [192.168.101.106/24]
gateway4: 192.168.101.1
nameservers:
addresses: [192.168.101.1,8.8.8.8]
Aplicando a configuração:
julio@julio-PC:~$ sudo netplan --debug apply
** (generate:2991): DEBUG: 14:33:18.475: Processing input file /etc/netplan/01-network-manager-all.yaml..
** (generate:2991): DEBUG: 14:33:18.475: starting new processing pass
** (generate:2991): DEBUG: 14:33:18.476: enp0s8: setting default backend to 2
** (generate:2991): DEBUG: 14:33:18.476: enp0s3: setting default backend to 2
** (generate:2991): DEBUG: 14:33:18.476: Generating output files..
** (generate:2991): DEBUG: 14:33:18.477: networkd: definition enp0s8 is not for us (backend 2)
** (generate:2991): DEBUG: 14:33:18.477: networkd: definition enp0s3 is not for us (backend 2)
DEBUG:no netplan generated networkd configuration exists
DEBUG:netplan generated NM configuration exists, restarting NM
DEBUG:enp0s3 not found in {}
DEBUG:enp0s8 not found in {'enp0s3': {'dhcp4': False, 'addresses': ['10.0.2.15/24'], 'gateway4': '10.0.2.2', 'nameservers': {'addresses': ['10.0.2.3', '8.8.8.8'], 'search': ['it-howto.org']}}}
DEBUG:Merged config:
network:
bonds: {}
bridges: {}
ethernets:
enp0s3:
addresses:
- 10.0.2.15/24
dhcp4: false
gateway4: 10.0.2.2
nameservers:
addresses:
- 10.0.2.3
- 8.8.8.8
search:
- it-howto.org
enp0s8:
addresses:
- 192.168.101.106/24
dhcp4: false
gateway4: 192.168.101.1
nameservers:
addresses:
- 192.168.101.1
- 8.8.8.8
vlans: {}
wifis: {}
DEBUG:Skipping non-physical interface: lo
DEBUG:device enp0s3 operstate is up, not changing
DEBUG:device enp0s8 operstate is up, not changing
DEBUG:{}
DEBUG:netplan triggering .link rules for lo
DEBUG:netplan triggering .link rules for enp0s3
DEBUG:netplan triggering .link rules for enp0s8
julio@julio-PC:~$ ifconfig
enp0s3: flags=4163<UP,BROADCAST,RUNNING,MULTICAST> mtu 1500
inet 10.0.2.15 netmask 255.255.255.0 broadcast 10.0.2.255
inet6 fe80::a00:27ff:feab:4790 prefixlen 64 scopeid 0x20<link>
ether 08:00:27:ab:47:90 txqueuelen 1000 (Ethernet)
RX packets 265 bytes 120576 (120.5 KB)
RX errors 0 dropped 0 overruns 0 frame 0
TX packets 470 bytes 61504 (61.5 KB)
TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0
enp0s8: flags=4163<UP,BROADCAST,RUNNING,MULTICAST> mtu 1500
inet 192.168.101.106 netmask 255.255.255.0 broadcast 192.168.101.255
inet6 fe80::a00:27ff:fe03:22e9 prefixlen 64 scopeid 0x20<link>
ether 08:00:27:03:22:e9 txqueuelen 1000 (Ethernet)
RX packets 7451 bytes 544346 (544.3 KB)
RX errors 0 dropped 0 overruns 0 frame 0
TX packets 252 bytes 32660 (32.6 KB)
TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0
lo: flags=73<UP,LOOPBACK,RUNNING> mtu 65536
inet 127.0.0.1 netmask 255.0.0.0
inet6 ::1 prefixlen 128 scopeid 0x10<host>
loop txqueuelen 1000 (Loopback Local)
RX packets 318 bytes 23804 (23.8 KB)
RX errors 0 dropped 0 overruns 0 frame 0
TX packets 318 bytes 23804 (23.8 KB)
TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0
julio@julio-PC:~$ route -n Tabela de Roteamento IP do Kernel Destino Roteador MáscaraGen. Opções Métrica Ref Uso Iface 0.0.0.0 10.0.2.2 0.0.0.0 UG 100 0 0 enp0s3 0.0.0.0 192.168.101.1 0.0.0.0 UG 101 0 0 enp0s8 10.0.2.0 0.0.0.0 255.255.255.0 U 100 0 0 enp0s3 169.254.0.0 0.0.0.0 255.255.0.0 U 1000 0 0 enp0s3 192.168.101.0 0.0.0.0 255.255.255.0 U 101 0 0 enp0s8
julio@julio-PC:~$ nmcli connection show NAME UUID TYPE DEVICE netplan-enp0s3 0cd33900-1641-328d-802b-91673510829b ethernet enp0s3 netplan-enp0s8 7ba7a298-c741-366c-a1ac-84ad05b0a814 ethernet enp0s8
Agora vamos configurar usando o systemd.
Inicialmente vamos aplicar a configuração de DHCP.
Vamos remover as configurações geradas pelo network manager:
julio@julio-PC:~$ nmcli connection delete netplan-enp0s3 netplan-enp0s8 A conexão "netplan-enp0s3" (0cd33900-1641-328d-802b-91673510829b) foi excluída com sucesso. (process:3312): libnm-WARNING **: 14:53:14.146: no object known for /org/freedesktop/NetworkManager/ActiveConnection/2 A conexão "netplan-enp0s8" (7ba7a298-c741-366c-a1ac-84ad05b0a814) foi excluída com sucesso.
Editar o arquivo.
sudo vi /etc/netplan/01-network-manager-all.yaml
Conteúdo:
network:
version: 2
renderer: networkd
ethernets:
enp0s3:
dhcp4: true
enp0s8:
dhcp4: true
Aplicar a configuração:
julio@julio-PC:~$ sudo netplan --debug apply
** (generate:3630): DEBUG: 15:03:28.295: Processing input file /etc/netplan/01-network-manager-all.yaml..
** (generate:3630): DEBUG: 15:03:28.296: starting new processing pass
** (generate:3630): DEBUG: 15:03:28.296: enp0s8: setting default backend to 1
** (generate:3630): DEBUG: 15:03:28.296: enp0s3: setting default backend to 1
** (generate:3630): DEBUG: 15:03:28.296: Generating output files..
** (generate:3630): DEBUG: 15:03:28.296: NetworkManager: definition enp0s8 is not for us (backend 1)
** (generate:3630): DEBUG: 15:03:28.296: NetworkManager: definition enp0s3 is not for us (backend 1)
DEBUG:netplan generated networkd configuration exists, restarting networkd
DEBUG:no netplan generated NM configuration exists
DEBUG:enp0s3 not found in {}
DEBUG:enp0s8 not found in {'enp0s3': {'dhcp4': True}}
DEBUG:Merged config:
network:
bonds: {}
bridges: {}
ethernets:
enp0s3:
dhcp4: true
enp0s8:
dhcp4: true
vlans: {}
wifis: {}
DEBUG:Skipping non-physical interface: lo
DEBUG:device enp0s3 operstate is up, not changing
DEBUG:device enp0s8 operstate is up, not changing
DEBUG:{}
DEBUG:netplan triggering .link rules for lo
DEBUG:netplan triggering .link rules for enp0s3
DEBUG:netplan triggering .link rules for enp0s8
Verificamos que o netplan cria esses dois arquivos:
julio@julio-PC:~$ ls -latr /run/systemd/network/ total 8 drwxr-xr-x 22 root root 500 mai 11 14:45 .. -rw-r--r-- 1 root root 102 mai 11 15:03 10-netplan-enp0s8.network -rw-r--r-- 1 root root 102 mai 11 15:03 10-netplan-enp0s3.network
julio@julio-PC:~$ cat /run/systemd/network/10-netplan-enp0s3.network [Match] Name=enp0s3 [Network] DHCP=ipv4 LinkLocalAddressing=ipv6 [DHCP] UseMTU=true RouteMetric=100
Agora vamos de ip fixo.
Editar o arquivo:
sudo vi /etc/netplan/01-network-manager-all.yaml
network:
version: 2
renderer: networkd
ethernets:
enp0s3:
dhcp4: no
addresses: [10.0.2.15/24]
gateway4: 10.0.2.2
nameservers:
addresses: [10.0.2.3,8.8.8.8]
search: [it-howto.org]
enp0s8:
dhcp4: no
addresses: [192.168.101.106/24]
gateway4: 192.168.101.1
nameservers:
addresses: [192.168.101.1,8.8.8.8]
Aplicar:
julio@julio-PC:~$ sudo netplan --debug apply
** (generate:3747): DEBUG: 15:09:21.077: Processing input file /etc/netplan/01-network-manager-all.yaml..
** (generate:3747): DEBUG: 15:09:21.077: starting new processing pass
** (generate:3747): DEBUG: 15:09:21.077: enp0s8: setting default backend to 1
** (generate:3747): DEBUG: 15:09:21.077: enp0s3: setting default backend to 1
** (generate:3747): DEBUG: 15:09:21.078: Generating output files..
** (generate:3747): DEBUG: 15:09:21.078: NetworkManager: definition enp0s8 is not for us (backend 1)
** (generate:3747): DEBUG: 15:09:21.078: NetworkManager: definition enp0s3 is not for us (backend 1)
DEBUG:netplan generated networkd configuration exists, restarting networkd
DEBUG:no netplan generated NM configuration exists
DEBUG:enp0s3 not found in {}
DEBUG:enp0s8 not found in {'enp0s3': {'dhcp4': False, 'addresses': ['10.0.2.15/24'], 'gateway4': '10.0.2.2', 'nameservers': {'addresses': ['10.0.2.3', '8.8.8.8'], 'search': ['it-howto.org']}}}
DEBUG:Merged config:
network:
bonds: {}
bridges: {}
ethernets:
enp0s3:
addresses:
- 10.0.2.15/24
dhcp4: false
gateway4: 10.0.2.2
nameservers:
addresses:
- 10.0.2.3
- 8.8.8.8
search:
- it-howto.org
enp0s8:
addresses:
- 192.168.101.106/24
dhcp4: false
gateway4: 192.168.101.1
nameservers:
addresses:
- 192.168.101.1
- 8.8.8.8
vlans: {}
wifis: {}
DEBUG:Skipping non-physical interface: lo
DEBUG:device enp0s3 operstate is up, not changing
DEBUG:device enp0s8 operstate is up, not changing
DEBUG:{}
DEBUG:netplan triggering .link rules for lo
DEBUG:netplan triggering .link rules for enp0s3
DEBUG:netplan triggering .link rules for enp0s8
julio@julio-PC:~$ ls -latr /run/systemd/network/ total 8 drwxr-xr-x 22 root root 500 mai 11 14:45 .. -rw-r--r-- 1 root root 135 mai 11 15:09 10-netplan-enp0s8.network -rw-r--r-- 1 root root 140 mai 11 15:09 10-netplan-enp0s3.network drwxr-xr-x 2 root root 80 mai 11 15:09 .
julio@julio-PC:~$ cat /run/systemd/network/10-netplan-enp0s3.network [Match] Name=enp0s3 [Network] LinkLocalAddressing=ipv6 Address=10.0.2.15/24 Gateway=10.0.2.2 DNS=10.0.2.3 DNS=8.8.8.8 Domains=it-howto.org julio@julio-PC:~$ cat /run/systemd/network/10-netplan-enp0s8.network [Match] Name=enp0s8 [Network] LinkLocalAddressing=ipv6 Address=192.168.101.106/24 Gateway=192.168.101.1 DNS=192.168.101.1 DNS=8.8.8.8
Reiniciar o serviço:
julio@julio-PC:~$ sudo systemctl restart systemd-networkd
julio@julio-PC:~$ sudo systemctl status systemd-networkd
[sudo] senha para julio:
● systemd-networkd.service - Network Service
Loaded: loaded (/lib/systemd/system/systemd-networkd.service; enabled-runtime; vendor preset: enabled)
Active: active (running) since Mon 2020-05-11 15:15:04 -03; 1min 25s ago
Docs: man:systemd-networkd.service(8)
Main PID: 358 (systemd-network)
Status: "Processing requests..."
Tasks: 1 (limit: 1098)
CGroup: /system.slice/systemd-networkd.service
└─358 /lib/systemd/systemd-networkd
mai 11 15:15:04 julio-PC systemd-networkd[358]: lo: Link is not managed by us
mai 11 15:15:04 julio-PC systemd-networkd[358]: enp0s8: IPv6 successfully enabled
mai 11 15:15:04 julio-PC systemd-networkd[358]: lo: Link is not managed by us
mai 11 15:15:04 julio-PC systemd-networkd[358]: enp0s3: IPv6 successfully enabled
mai 11 15:15:04 julio-PC systemd-networkd[358]: enp0s8: Gained carrier
mai 11 15:15:04 julio-PC systemd-networkd[358]: enp0s3: Gained carrier
mai 11 15:15:05 julio-PC systemd-networkd[358]: enp0s8: Gained IPv6LL
mai 11 15:15:05 julio-PC systemd-networkd[358]: enp0s8: Configured
mai 11 15:15:06 julio-PC systemd-networkd[358]: enp0s3: Gained IPv6LL
mai 11 15:15:06 julio-PC systemd-networkd[358]: enp0s3: Configured
julio@julio-PC:~$ nmcli connection show NAME UUID TYPE DEVICE
julio@julio-PC:~$ ifconfig
enp0s3: flags=4163<UP,BROADCAST,RUNNING,MULTICAST> mtu 1500
inet 10.0.2.15 netmask 255.255.255.0 broadcast 10.0.2.255
inet6 fe80::a00:27ff:feab:4790 prefixlen 64 scopeid 0x20<link>
ether 08:00:27:ab:47:90 txqueuelen 1000 (Ethernet)
RX packets 450 bytes 27285 (27.2 KB)
RX errors 0 dropped 0 overruns 0 frame 0
TX packets 124 bytes 13527 (13.5 KB)
TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0
enp0s8: flags=4163<UP,BROADCAST,RUNNING,MULTICAST> mtu 1500
inet 192.168.101.106 netmask 255.255.255.0 broadcast 192.168.101.255
inet6 fe80::a00:27ff:fe03:22e9 prefixlen 64 scopeid 0x20<link>
ether 08:00:27:03:22:e9 txqueuelen 1000 (Ethernet)
RX packets 505 bytes 38812 (38.8 KB)
RX errors 0 dropped 180 overruns 0 frame 0
TX packets 58 bytes 6516 (6.5 KB)
TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0
lo: flags=73<UP,LOOPBACK,RUNNING> mtu 65536
inet 127.0.0.1 netmask 255.0.0.0
inet6 ::1 prefixlen 128 scopeid 0x10<host>
loop txqueuelen 1000 (Loopback Local)
RX packets 49 bytes 5045 (5.0 KB)
RX errors 0 dropped 0 overruns 0 frame 0
TX packets 49 bytes 5045 (5.0 KB)
TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0
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