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настройка_сети_в_linux
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настройка_сети_в_linux [2026/03/30 09:57] val [Общие файлы конфигурации] |
настройка_сети_в_linux [2026/05/16 16:48] (current) val [Использование NetworkManager] |
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| Line 52: | Line 52: | ||
| # dhcpcd -k enp0s3 | # dhcpcd -k enp0s3 | ||
| + | |||
| + | # pkill -KILL dhcpcd | ||
| </code> | </code> | ||
| Line 101: | Line 103: | ||
| # ss -anptu | # ss -anptu | ||
| - | # ss -lnp | grep ':80' | + | # ss -lnp | grep sshd |
| # количество подключений с каждого адреса (https://serverfault.com/questions/421310/check-the-number-of-active-connections-on-port-80) | # количество подключений с каждого адреса (https://serverfault.com/questions/421310/check-the-number-of-active-connections-on-port-80) | ||
| Line 127: | Line 129: | ||
| 172.16.1.X server.corpX.un server | 172.16.1.X server.corpX.un server | ||
| </code><code> | </code><code> | ||
| - | # apt remove resolvconf | + | # ###apt remove resolvconf |
| # cat /etc/resolv.conf | # cat /etc/resolv.conf | ||
| Line 144: | Line 146: | ||
| === Статическая настройка параметров === | === Статическая настройка параметров === | ||
| <code> | <code> | ||
| + | # ###apt install ifupdown | ||
| + | |||
| # cat /etc/network/interfaces | # cat /etc/network/interfaces | ||
| </code><code> | </code><code> | ||
| Line 212: | Line 216: | ||
| client1# :> /etc/resolv.conf | client1# :> /etc/resolv.conf | ||
| - | </code> | ||
| - | |||
| - | или [[Система безопасности UNIX#Команда chattr]] | ||
| - | <code> | ||
| client1# cat /etc/hosts | client1# cat /etc/hosts | ||
| </code><code> | </code><code> | ||
| Line 232: | Line 232: | ||
| auto eth0 | auto eth0 | ||
| iface eth0 inet dhcp | iface eth0 inet dhcp | ||
| + | </code> | ||
| + | |||
| + | === Отключение ifupdown === | ||
| + | <code> | ||
| + | # apt purge ifupdown | ||
| + | |||
| + | # rm /etc/network/interfaces | ||
| </code> | </code> | ||
| ==== Использование NetworkManager ==== | ==== Использование NetworkManager ==== | ||
| - | * Alma Linux и аналоги | + | * (Alma Linux аналоги и desktop linux) |
| * [[https://habr.com/ru/companies/vdsina/articles/512282/|Управляем сетевыми подключениями в Linux с помощью консольной утилиты nmcli]] | * [[https://habr.com/ru/companies/vdsina/articles/512282/|Управляем сетевыми подключениями в Linux с помощью консольной утилиты nmcli]] | ||
| * [[https://linuxconfig.org/rhel-8-configure-static-ip-address|How to configure a static IP address on RHEL 8 / CentOS 8 Linux]] | * [[https://linuxconfig.org/rhel-8-configure-static-ip-address|How to configure a static IP address on RHEL 8 / CentOS 8 Linux]] | ||
| - | * Не работает с net.ifnames=0 | + | * ??? Не работает с net.ifnames=0 |
| + | * [[#Отключение ifupdown]] | ||
| <code> | <code> | ||
| - | # apt purge ifupdown | ||
| - | |||
| # apt install network-manager | # apt install network-manager | ||
| Line 256: | Line 262: | ||
| # apt install network-manager-gnome | # apt install network-manager-gnome | ||
| </code> | </code> | ||
| - | ==== Файлы конфигурации Ubuntu >= 18 ==== | + | ==== Файлы конфигурации Netplan и cloud-init ==== |
| + | |||
| + | * (Ubuntu>=18) | ||
| * [[https://cloud.croc.ru/blog/byt-v-teme/cloud-init/|Cloud-init: автоматическая установка hostname для виртуальной машины]] | * [[https://cloud.croc.ru/blog/byt-v-teme/cloud-init/|Cloud-init: автоматическая установка hostname для виртуальной машины]] | ||
| Line 267: | Line 275: | ||
| * [[https://cloudinit.readthedocs.io/en/latest/tutorial/qemu.html|Core tutorial with QEMU]] | * [[https://cloudinit.readthedocs.io/en/latest/tutorial/qemu.html|Core tutorial with QEMU]] | ||
| + | |||
| + | <code> | ||
| + | # cat /etc/netplan/50-cloud-init.yaml | ||
| + | </code> | ||
| === Отключение cloud-init === | === Отключение cloud-init === | ||
| <code> | <code> | ||
| # apt purge cloud-init | # apt purge cloud-init | ||
| - | </code> | ||
| - | === Отключение ifupdown === | + | # rm /etc/netplan/50-cloud-init.yaml |
| - | <code> | + | |
| - | apt purge ifupdown | + | |
| </code> | </code> | ||
| Line 293: | Line 302: | ||
| ethernets: | ethernets: | ||
| enp0s3: | enp0s3: | ||
| - | addresses: [172.16.1.200+X/24] | + | addresses: [172.16.1.100+X/24] |
| - | gateway4: 172.16.1.254 | + | |
| - | # routes: | + | routes: |
| - | # - to: default | + | - to: default |
| - | # via: 172.16.1.254 | + | via: 172.16.1.254 |
| - | # nameservers: | + | nameservers: |
| - | # addresses: [172.16.1.254] | + | search: [isp.un] |
| + | addresses: [172.16.1.254] | ||
| </code><code> | </code><code> | ||
| - | # netplan try | + | # netplan get # lint and print config from files |
| + | |||
| + | # netplan try #--timeout 120 | ||
| # netplan apply | # netplan apply | ||
| </code> | </code> | ||
| - | === Отключение Netpaln === | + | ==== Настройка 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 | + | |
| - | + | ||
| - | ubuntu20/22# rm /etc/netplan/00-installer-config.yaml | + | |
| - | + | ||
| - | ubuntu24# rm /etc/netplan/50-cloud-init.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)]] | * [[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)]] | ||
| Line 356: | Line 355: | ||
| ==== Файлы конфигурации initscripts ==== | ==== Файлы конфигурации initscripts ==== | ||
| - | * CentOS/SL/RHEL 6,7 до NetworkManager | + | * CentOS/SL/RHEL 6,7,8 до NetworkManager |
| * [[http://serveradmin.ru/nastroyka-seti-v-centos/#_hostname_CentOS_7|Сетевые настройки в CentOS 7]] | * [[http://serveradmin.ru/nastroyka-seti-v-centos/#_hostname_CentOS_7|Сетевые настройки в CentOS 7]] | ||
настройка_сети_в_linux.1774853855.txt.gz · Last modified: 2026/03/30 09:57 by val
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