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настройка_сети_в_linux
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настройка_сети_в_linux [2022/02/23 14:07] val [netplan] |
настройка_сети_в_linux [2024/03/16 05:13] val [Команды для диагностики] |
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|---|---|---|---|
| Line 78: | Line 78: | ||
| # ss -anptu | # ss -anptu | ||
| + | # ss -lnp | grep ':80' | ||
| </code> | </code> | ||
| Line 90: | Line 91: | ||
| <code> | <code> | ||
| + | # hostnamectl set-hostname server.corpX.un | ||
| + | |||
| + | # cat /etc/hostname | ||
| + | </code><code> | ||
| + | server.corpX.un | ||
| + | </code> | ||
| + | |||
| # cat /etc/hosts | # cat /etc/hosts | ||
| </code><code> | </code><code> | ||
| Line 111: | Line 119: | ||
| === Статическая настройка параметров === | === Статическая настройка параметров === | ||
| <code> | <code> | ||
| - | # cat /etc/hostname | ||
| - | </code><code> | ||
| - | server.corpX.un | ||
| - | </code><code> | ||
| # cat /etc/network/interfaces | # cat /etc/network/interfaces | ||
| </code><code> | </code><code> | ||
| Line 178: | Line 182: | ||
| <code> | <code> | ||
| + | client1# dhclient eth0 | ||
| + | |||
| client1# cat /etc/hostname | client1# cat /etc/hostname | ||
| </code><code> | </code><code> | ||
| Line 183: | Line 189: | ||
| </code><code> | </code><code> | ||
| client1# :> /etc/resolv.conf | client1# :> /etc/resolv.conf | ||
| - | </code><code> | + | </code> |
| + | |||
| + | или [[Система безопасности UNIX#Команда chattr]] | ||
| + | |||
| + | <code> | ||
| client1# cat /etc/hosts | client1# cat /etc/hosts | ||
| </code><code> | </code><code> | ||
| Line 217: | Line 227: | ||
| * [[https://unix.stackexchange.com/questions/588658/override-ubuntu-20-04-dns-using-systemd-resolved|Override Ubuntu 20.04 DNS using systemd-resolved]] | * [[https://unix.stackexchange.com/questions/588658/override-ubuntu-20-04-dns-using-systemd-resolved|Override Ubuntu 20.04 DNS using systemd-resolved]] | ||
| - | === Без cloud-init === | + | === Отключение cloud-init === |
| <code> | <code> | ||
| - | cat /etc/cloud/cloud.cfg | + | # apt purge cloud-init |
| - | </code><code> | + | </code> |
| - | ... | + | |
| - | preserve_hostname: true | + | |
| - | ... | + | |
| - | </code><code> | + | |
| - | # hostnamectl set-hostname ubuntu.corpX.un | + | |
| - | </code><code> | + | |
| - | # echo 'network: {config: disabled}' > /etc/cloud/cloud.cfg.d/99-disable-network-config.cfg | + | |
| - | ubuntu18# rm /etc/netplan/50-cloud-init.yaml | + | === Настройка Netplan === |
| - | ubuntu20# rm /etc/netplan/00-installer-config.yaml | + | * [[Формат YAML]] |
| + | * [[https://netplan.io/faq/|Netplan FAQ]] | ||
| + | * [[https://netplan.io/examples/|Netplan configuration examples]] !!! Все варианты !!! | ||
| + | <code> | ||
| # cat /etc/netplan/01-netcfg.yaml | # cat /etc/netplan/01-netcfg.yaml | ||
| </code><code> | </code><code> | ||
| Line 241: | Line 247: | ||
| addresses: [172.16.1.200+X/24] | addresses: [172.16.1.200+X/24] | ||
| gateway4: 172.16.1.254 | gateway4: 172.16.1.254 | ||
| + | |||
| + | # routes: | ||
| + | # - to: default | ||
| + | # via: 172.16.1.254 | ||
| + | |||
| # nameservers: | # nameservers: | ||
| # addresses: [172.16.1.254] | # addresses: [172.16.1.254] | ||
| </code><code> | </code><code> | ||
| + | # netplan try | ||
| + | |||
| # netplan apply | # netplan apply | ||
| + | </code> | ||
| + | === Отключение Netpaln === | ||
| + | |||
| + | * [[https://linuxconfig.org/how-to-switch-back-networking-to-etc-network-interfaces-on-ubuntu-20-04-focal-fossa-linux|How to switch back networking to /etc/network/interfaces on Ubuntu 20.04 Focal Fossa Linux]] | ||
| + | |||
| + | <code> | ||
| + | # apt install ifupdown net-tools | ||
| + | |||
| + | ubuntu20/22# rm /etc/netplan/00-installer-config.yaml | ||
| + | </code> | ||
| + | |||
| + | === Настройка systemd-resolved === | ||
| + | |||
| + | * [[https://wiki.archlinux.org/title/Systemd-resolved_(%D0%A0%D1%83%D1%81%D1%81%D0%BA%D0%B8%D0%B9)|archlinux systemd-resolved (Русский)]] | ||
| + | |||
| + | <code> | ||
| # cat /etc/resolv.conf | # cat /etc/resolv.conf | ||
| </code><code> | </code><code> | ||
| Line 251: | Line 280: | ||
| nameserver 127.0.0.53 | nameserver 127.0.0.53 | ||
| </code><code> | </code><code> | ||
| + | # resolvectl status | ||
| + | или | ||
| + | # systemd-resolve --status | ||
| + | |||
| # cat /etc/systemd/resolved.conf | # cat /etc/systemd/resolved.conf | ||
| </code><code> | </code><code> | ||
| [Resolve] | [Resolve] | ||
| DNS=172.16.1.254 | DNS=172.16.1.254 | ||
| + | </code><code> | ||
| + | # systemctl restart systemd-resolved | ||
| </code> | </code> | ||
| - | === Без Netpaln === | + | === Отключение systemd-resolved === |
| - | * [[https://linuxconfig.org/how-to-switch-back-networking-to-etc-network-interfaces-on-ubuntu-20-04-focal-fossa-linux|How to switch back networking to /etc/network/interfaces on Ubuntu 20.04 Focal Fossa Linux]] | ||
| - | |||
| - | <code> | ||
| - | # apt install ifupdown net-tools | ||
| - | </code> | ||
| - | |||
| - | === Без systemd-resolved === | ||
| * [[https://gist.github.com/zoilomora/f7d264cefbb589f3f1b1fc2cea2c844c|How to disable systemd-resolved in Ubuntu]] | * [[https://gist.github.com/zoilomora/f7d264cefbb589f3f1b1fc2cea2c844c|How to disable systemd-resolved in Ubuntu]] | ||
| <code> | <code> | ||
| - | # systemctl disable systemd-resolved.service | + | # systemctl disable systemd-resolved |
| # systemctl stop systemd-resolved | # systemctl stop systemd-resolved | ||
| + | |||
| + | # rm /etc/resolv.conf # this is link | ||
| </code> | </code> | ||
| + | |||
| ==== Файлы конфигурации CentOS/SL/RHEL ==== | ==== Файлы конфигурации CentOS/SL/RHEL ==== | ||
| Line 364: | Line 396: | ||
| - | ==== ifupdown ==== | + | ==== bond ifupdown ==== |
| <code> | <code> | ||
| + | # apt install ifenslave | ||
| + | |||
| # cat /etc/network/interfaces | # cat /etc/network/interfaces | ||
| </code><code> | </code><code> | ||
| Line 385: | Line 419: | ||
| </code> | </code> | ||
| - | ==== netplan ==== | + | ==== bond netplan ==== |
| <code> | <code> | ||
| # cat /etc/netplan/01-netcfg.yaml | # cat /etc/netplan/01-netcfg.yaml | ||
настройка_сети_в_linux.txt · Last modified: 2024/05/04 16:16 by val
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