Networking and servers • Static IP address

Code:

0 thirsty /root # uname -aLinux thirsty 6.12.33-v8+ #1888 SMP PREEMPT Wed Jun 18 12:34:33 BST 2025 aarch64 GNU/Linux

Code:

0 thirsty /root # cat /etc/network/interfaces.d/eth0 auto eth0iface eth0 inet staticaddress 10.0.0.241/24gateway 10.0.0.1dns-nameservers 10.0.0.241 10.0.0.240

Code:

0 thirsty /root # cat /etc/dhcp/dhclient.conf option rfc3442-classless-static-routes code 121 = array of unsigned integer 8;send host-name = gethostname();request subnet-mask, broadcast-address, time-offset, routers,domain-name, domain-name-servers, domain-search, host-name,dhcp6.name-servers, dhcp6.domain-search, dhcp6.fqdn, dhcp6.sntp-servers,netbios-name-servers, netbios-scope, interface-mtu,rfc3442-classless-static-routes, ntp-servers;lease {  interface "eth0";  fixed-address 10.0.0.241;  option subnet-mask 255.255.255.0;  option domain-name-servers 10.0.0.241 10.0.0.240;  option routers 10.0.0.1;}

Code:

0 thirsty /root # nmcli c show "Ethernet connection 1"connection.id:                          Ethernet connection 1connection.uuid:                        ec193de6-ff43-4482-9a71-f184938886ddconnection.stable-id:                   --connection.type:                        802-3-ethernetconnection.interface-name:              eth0connection.autoconnect:                 yesconnection.autoconnect-priority:        0connection.autoconnect-retries:         -1 (default)connection.multi-connect:               0 (default)connection.auth-retries:                -1connection.timestamp:                   0connection.read-only:                   noconnection.permissions:                 --connection.zone:                        --connection.master:                      --connection.slave-type:                  --connection.autoconnect-slaves:          -1 (default)connection.secondaries:                 --connection.gateway-ping-timeout:        0connection.metered:                     unknownconnection.lldp:                        defaultconnection.mdns:                        -1 (default)connection.llmnr:                       -1 (default)connection.dns-over-tls:                -1 (default)connection.mptcp-flags:                 0x0 (default)connection.wait-device-timeout:         -1connection.wait-activation-delay:       -1802-3-ethernet.port:                    --802-3-ethernet.speed:                   0802-3-ethernet.duplex:                  --802-3-ethernet.auto-negotiate:          no802-3-ethernet.mac-address:             --802-3-ethernet.cloned-mac-address:      --802-3-ethernet.generate-mac-address-mask:--802-3-ethernet.mac-address-blacklist:   --802-3-ethernet.mtu:                     auto802-3-ethernet.s390-subchannels:        --802-3-ethernet.s390-nettype:            --802-3-ethernet.s390-options:            --802-3-ethernet.wake-on-lan:             default802-3-ethernet.wake-on-lan-password:    --802-3-ethernet.accept-all-mac-addresses:-1 (default)ipv4.method:                            manualipv4.dns:                               10.0.0.241,10.0.0.240ipv4.dns-search:                        internal,deanandadie.netipv4.dns-options:                       --ipv4.dns-priority:                      0ipv4.addresses:                         10.0.0.241/24ipv4.gateway:                           10.0.0.1ipv4.routes:                            --ipv4.route-metric:                      -1ipv4.route-table:                       0 (unspec)ipv4.routing-rules:                     --ipv4.replace-local-rule:                -1 (default)ipv4.ignore-auto-routes:                noipv4.ignore-auto-dns:                   noipv4.dhcp-client-id:                    --ipv4.dhcp-iaid:                         --ipv4.dhcp-timeout:                      0 (default)ipv4.dhcp-send-hostname:                yesipv4.dhcp-hostname:                     --ipv4.dhcp-fqdn:                         --ipv4.dhcp-hostname-flags:               0x0 (none)ipv4.never-default:                     noipv4.may-fail:                          yesipv4.required-timeout:                  -1 (default)ipv4.dad-timeout:                       -1 (default)ipv4.dhcp-vendor-class-identifier:      --ipv4.link-local:                        0 (default)ipv4.dhcp-reject-servers:               --ipv4.auto-route-ext-gw:                 -1 (default)ipv6.method:                            disabledipv6.dns:                               --ipv6.dns-search:                        --ipv6.dns-options:                       --ipv6.dns-priority:                      0ipv6.addresses:                         --ipv6.gateway:                           --ipv6.routes:                            --ipv6.route-metric:                      -1ipv6.route-table:                       0 (unspec)ipv6.routing-rules:                     --ipv6.replace-local-rule:                -1 (default)ipv6.ignore-auto-routes:                noipv6.ignore-auto-dns:                   noipv6.never-default:                     noipv6.may-fail:                          yesipv6.required-timeout:                  -1 (default)ipv6.ip6-privacy:                       -1 (unknown)ipv6.addr-gen-mode:                     defaultipv6.ra-timeout:                        0 (default)ipv6.mtu:                               autoipv6.dhcp-duid:                         --ipv6.dhcp-iaid:                         --ipv6.dhcp-timeout:                      0 (default)ipv6.dhcp-send-hostname:                yesipv6.dhcp-hostname:                     --ipv6.dhcp-hostname-flags:               0x0 (none)ipv6.auto-route-ext-gw:                 -1 (default)ipv6.token:                             --proxy.method:                           noneproxy.browser-only:                     noproxy.pac-url:                          --proxy.pac-script:                       --