296 lines
5.5 KiB
ReStructuredText
296 lines
5.5 KiB
ReStructuredText
Server
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======
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Hardware
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--------
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=== ================================
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BHS KS-12
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CPU Intel Xeon W3530 4c/8t @ 2.8 GHz
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RAM 32 GB DDR3 ECC @ 1333 MHz
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HDD 2 × 2 TB
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WAN 100 Mbps /128
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MAC 00:25:90:7b:d4:38
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=== ================================
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Network
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-------
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+-----+---------+-------------------------------+
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| IP4 | address | 192.99.14.98 |
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| +---------+-------------------------------+
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| | gateway | 192.99.14.254 |
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+-----+---------+-------------------------------+
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| IP6 | address | 2607:5300:60:3f62::1 |
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| +---------+-------------------------------+
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| | gateway | 2607:5300:60:3fff:ff:ff:ff:ff |
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+-----+---------+-------------------------------+
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Rescue
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------
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.. code:: shell
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ssh-keygen -R rwx.work
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ssh-keygen -R 192.99.14.98
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scp /home/user/.ssh/id_ecdsa.pub root@rwx.work:/root/.ssh/authorized_keys
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scp /etc/bash.bashrc root@rwx.work:/etc/
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Partitions
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----------
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.. code:: shell
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parted
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select /dev/sda
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mktable gpt
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mkpart boot 1 2
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mkpart raid 2 2000399
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toggle 1 bios_grub
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select /dev/sdb
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mktable gpt
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mkpart boot 1 2
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mkpart raid 2 2000399
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toggle 1 bios_grub
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q
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.. code:: shell
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mdadm --create /dev/md0 \
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--level 0 --raid-devices 2 /dev/sd[ab]2
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.. code:: shell
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parted /dev/md0
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mktable gpt
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mkpart data 1 3966966
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mkpart swap 3966966 4000523
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q
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.. code:: shell
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mkswap --label swap \
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-U d8ee4260-4652-7192-7bb3-ebbadeb835a7 \
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/dev/md0p2
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mkfs.ext4 -L data \
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-U 46527192-7bb3-ebba-deb8-35a7e8606808 \
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/dev/md0p1
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Boot
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----
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.. warning:: no ESP boot available!
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Prepare a grub.cfg
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.. code:: shell
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insmod biosdisk
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insmod part_gpt
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insmod mdraid1x
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insmod ext2
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insmod search
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insmod squash4
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insmod loopback
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insmod linux
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search --set data --fs-uuid 46527192-7bb3-ebba-deb8-35a7e8606808
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lmp=/fs/up
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sfs=filesystem.squashfs
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loopback loop (${data})${lmp}/${sfs}
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linux (loop)/vmlinuz \
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boot=live \
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elevator=deadline \
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ip=frommedia \
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live-media-path=${lmp} \
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toram=${sfs}
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initrd (loop)/initrd.img
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boot
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.. code:: shell
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grub-mkstandalone \
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--verbose \
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--compress xz \
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--format i386-pc \
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--output core.img \
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--themes "" \
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boot/grub/grub.cfg=grub.cfg \
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--fonts "" \
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--locales "" \
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--install-modules "\
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biosdisk \
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part_gpt \
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mdraid1x \
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ext2 \
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search \
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squash4 \
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loopback \
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linux \
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"
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.. todo:: move to public grub
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.. code:: shell
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grub-mkstandalone \
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--verbose \
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--compress xz \
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--format x86_64-efi \
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--output bootx64.efi \
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--themes "" \
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boot/grub/grub.cfg=grub.cfg
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.. code:: shell
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scp core.img root@rwx.work:
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cp /usr/lib/grub/i386-pc/boot.img . \
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/usr/lib/grub/i386-pc/grub-bios-setup \
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--directory . /dev/sda
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/usr/lib/grub/i386-pc/grub-bios-setup \
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--directory . /dev/sdb
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* debootstrap
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* apt
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* fstab /d
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* systemd
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* linux-image
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* tops
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* hardware
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* completion
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* network
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* interfaces
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* basics
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* openssh-server fixes (sshd user, /run/sshd)
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* live-boot
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* root
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* inception
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* bridge
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* grub-pc-bin
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* apparmor
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* unbound
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* tree
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* net.ipv4.ip_forward=1
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* net.ipv6.conf.all.forwarding=1
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* nftables
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* nginx
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* root/user authorized_keys
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* curl
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* swap,swappiness
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* /etc/bash.bashrc
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* /etc/fstab (/d)
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* /etc/locale.gen
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* locale-gen
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* /etc/resolv.conf
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* /etc/apt/apt.conf
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* /etc/apt/sources.list
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* apt update
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* apt upgrade
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* live-boot
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* update-initramfs ← update-initramfs.orig
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* openssh-server
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* parted
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* squashfs-tools
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* tree
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* apt clean
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* /etc/ssh/sshd_config
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* mkdir /root/.ssh
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* echo "ecdsa-sha2-nistp521 AAAAE2VjZHNhLXNoYTItbmlzdHA1MjEAAAAIbmlzdHA1MjEAAACFBAFBp8vFUIRu4Bq8EvnCGwlp71GQ4wGT5wKdY1X/c9AfYjsn/pnBNgnfNFxPxoNasG1MXeXjutSLtlXqnsWx2NQpFQC321MeUvd3Z/DCeIvS4WvpOZMyBvVUd2sTsuuCRVuH3fbJF5XPJrFzH3nEFNtcW7lmN+F6nKLB0kYahc3+gyTH+g==" > /root/.ssh/authorized_keys
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* lxc
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* /etc/network/interfaces.d/setup
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.. warning:: inet6 dhcp hangs!
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::
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auto lo
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iface lo inet loopback
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iface lo inet6 loopback
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auto br0
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iface br0 inet static
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address 10.0.0.254/24
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bridge_fd 0
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bridge_maxwait 0
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bridge_ports enp1s0
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bridge_stp on
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iface br0 inet static
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address 192.99.14.98/24
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gateway 192.99.14.254
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iface br0 inet6 static
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address 2607:5300:60:3f62::1/64
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gateway 2607:5300:60:3fff:ff:ff:ff:ff
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.. warning::
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reboot from container doesn't reload config file
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/var/lib/lxc/config
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::
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lxc.include = /usr/share/lxc/config/common.conf
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lxc.mount.entry = /d/mirrors/apt-mirror/debian deb none bind,create=dir,ro 0 0
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lxc.start.auto = 1
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lxc.net.0.type = veth
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lxc.net.0.flags = up
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lxc.net.0.link = br0
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/var/lib/lxc/name/config
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::
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lxc.include = /var/lib/lxc/config
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lxc.mount.entry = /d/d/buster d none bind,create=dir,rw 0 0
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lxc.rootfs.path = dir:/var/lib/lxc/buster
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lxc.net.0.veth.pair = buster
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lxc.net.0.ipv4.address = 10.0.0.1/24
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lxc.net.0.ipv4.gateway = 10.0.0.254
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/etc/nftables.conf
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::
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#! /usr/sbin/nft --file
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flush ruleset
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table inet filter {
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chain input {
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type filter hook input priority 0; policy accept;
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iifname "lo" accept
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ip protocol icmp accept
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ip6 nexthdr icmp accept
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tcp dport ssh accept
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tcp dport domain accept
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tcp dport http accept
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tcp dport https accept
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}
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chain forward {
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type filter hook forward priority 0; policy accept;
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}
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chain output {
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type filter hook output priority 0; policy accept;
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}
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}
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table ip nat {
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chain prerouting {
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type nat hook prerouting priority 0; policy accept;
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tcp dport 65001 dnat to 10.0.0.1:ssh
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}
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chain postrouting {
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type nat hook postrouting priority 0; policy accept;
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masquerade
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}
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}
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