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настройка_сети_в_linux
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настройка_сети_в_linux [2024/06/18 10:48] val [Файлы конфигурации Ubuntu >= 18] |
настройка_сети_в_linux [2025/06/24 17:41] (current) val [Команды для диагностики] |
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| * [[https://wiki.debian.org/ru/NetworkConfiguration]] | * [[https://wiki.debian.org/ru/NetworkConfiguration]] | ||
| * [[http://help.ubuntu.ru/wiki/%D0%BD%D0%B0%D1%81%D1%82%D1%80%D0%BE%D0%B9%D0%BA%D0%B0_%D1%81%D0%B5%D1%82%D0%B8_%D0%B2%D1%80%D1%83%D1%87%D0%BD%D1%83%D1%8E|Настройка сети вручную]] | * [[http://help.ubuntu.ru/wiki/%D0%BD%D0%B0%D1%81%D1%82%D1%80%D0%BE%D0%B9%D0%BA%D0%B0_%D1%81%D0%B5%D1%82%D0%B8_%D0%B2%D1%80%D1%83%D1%87%D0%BD%D1%83%D1%8E|Настройка сети вручную]] | ||
| + | * [[https://it-lux.ru/tcp-queue-syn-flooding/|Ошибка в логах ядра. request_sock_TCP: Possible SYN flooding]] | ||
| ===== Команды для настройки ===== | ===== Команды для настройки ===== | ||
| Line 82: | Line 83: | ||
| # 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) | ||
| # ss -tn src :80 or src :443 | tr -s ' ' | cut -d ' ' -f5 | cut -d ':' -f1 | sort | uniq -c | sort -n | # ss -tn src :80 or src :443 | tr -s ' ' | cut -d ' ' -f5 | cut -d ':' -f1 | sort | uniq -c | sort -n | ||
| + | |||
| + | # отправка UDP пакета | ||
| + | # echo -n "hello" >/dev/udp/195.19.40.152/5060 | ||
| </code> | </code> | ||
| Line 229: | Line 233: | ||
| * [[https://www.linuxtechi.com/assign-static-ip-address-ubuntu-20-04-lts/|How to Assign Static IP Address on Ubuntu 20.04 LTS]] | * [[https://www.linuxtechi.com/assign-static-ip-address-ubuntu-20-04-lts/|How to Assign Static IP Address on Ubuntu 20.04 LTS]] | ||
| * [[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]] | ||
| + | |||
| + | === Использование cloud-init === | ||
| + | |||
| + | * [[https://cloudinit.readthedocs.io/en/latest/tutorial/qemu.html|Core tutorial with QEMU]] | ||
| === Отключение cloud-init === | === Отключение cloud-init === | ||
| Line 247: | Line 255: | ||
| <code> | <code> | ||
| + | # netplan status --all | ||
| + | |||
| # cat /etc/netplan/01-netcfg.yaml | # cat /etc/netplan/01-netcfg.yaml | ||
| </code><code> | </code><code> | ||
| Line 412: | Line 422: | ||
| # cat /etc/network/interfaces | # cat /etc/network/interfaces | ||
| </code><code> | </code><code> | ||
| - | ... | + | auto lo |
| + | iface lo inet loopback | ||
| iface eth0 inet manual | iface eth0 inet manual | ||
настройка_сети_в_linux.1718696886.txt.gz · Last modified: 2024/06/18 10:48 by val
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