From 60d3abc6ecdc21b4ab921d34a55b4af48690f55a Mon Sep 17 00:00:00 2001 From: Julien Dessaux Date: Thu, 11 Mar 2021 18:53:14 +0100 Subject: Rewrote the whole website to get rid on a heavy theme --- content/en/docs/gentoo/installation.md | 231 --------------------------------- 1 file changed, 231 deletions(-) delete mode 100644 content/en/docs/gentoo/installation.md (limited to 'content/en/docs/gentoo/installation.md') diff --git a/content/en/docs/gentoo/installation.md b/content/en/docs/gentoo/installation.md deleted file mode 100644 index 4f3be17..0000000 --- a/content/en/docs/gentoo/installation.md +++ /dev/null @@ -1,231 +0,0 @@ ---- -title: "Installation" -linkTitle: "installation" -weight: 1 -description: > - Installation of a gentoo system ---- - -## Installation media - -You can get a bootable iso or liveusb from https://www.gentoo.org/downloads/. I recommend the minimal one. To create a bootable usb drive juste use `dd` to copy the image on it. Then boot on this brand new installation media. - -Once you boot on the installation media, you can start sshd and set a temporary password and proceed with the installation more confortably from another machine : - -{{< highlight sh >}} -/etc/init.d/sshd start -passwd -{{< /highlight >}} - -## Partitionning - -There are several options depending on wether you need soft raid, full disk encryption or a simple root device with no additional complications. It will also differ if you are using a virtual machine or a physical one. - -{{< highlight sh >}} -fdisk /dev/sda -g -n -1 -2048 -+2M -t -1 -4 - -n -2 -6144 -+512M -t -2 -1 - -n -3 -1054720 - -w -mkfs.ext4 /dev/sda3 -mkfs.fat -F 32 -n efi-boot /dev/sda2 -mount /dev/sda3 /mnt/gentoo -{{< /highlight >}} - -## Get the stage3 and chroot into it - -Get the stage 3 installation file from https://www.gentoo.org/downloads/. I personnaly use the non-multilib one from the advanced choices, since I am no longer using and 32bits software except steam, and I use steam from a multilib chroot. - -Put the archive on the server in /mnt/gentoo (you can simply wget it from there), then extract it : -{{< highlight sh >}} -tar xpf stage3-*.tar.xz --xattrs-include='*.*' --numeric-owner -mount /dev/sda2 boot -mount -t proc none proc -mount -t sysfs none sys -mount -o rbind /dev dev -cp /etc/resolv.conf etc/ -chroot . -{{< /highlight >}} - -## Initial configuration - -We prepare the local language of the system : -{{< highlight sh >}} -env-update && source /etc/profile -echo 'LANG="en_US.utf8"' > /etc/env.d/02locale -sed '/#en_US.UTF-8/s/#//' -i /etc/locale.gen -locale-gen -source /etc/profile -{{< /highlight >}} - -We set a loop device to hold the portage tree. It will be formatted with optimisation for the many small files that compose it : -{{< highlight sh >}} -mkdir -p /srv/gentoo-distfiles -truncate -s 10G /portage.img -mke2fs -b 1024 -i 2048 -m 0 -O "dir_index" -F /portage.img -tune2fs -c 0 -i 0 /portage.img -mkdir /usr/portage -mount -o loop,noatime,nodev /portage.img /usr/portage/ -{{< /highlight >}} - -We set default compilation options and flags. If you are not me and cannot rsync this location, you can browse it from https://packages.adyxax.org/x86-64/etc/portage/ : -{{< highlight sh >}} -rsync -a --delete packages.adyxax.org:/srv/gentoo-builder/x86-64/etc/portage/ /etc/portage/ -sed -i /etc/portage/make.conf -e s/buildpkg/getbinpkg/ -echo 'PORTAGE_BINHOST="https://packages.adyxax.org/x86-64/packages/"' >> /etc/portage/make.conf -{{< /highlight >}} - -We get the portage tree and sync the timezone -{{< highlight sh >}} -emerge --sync -{{< /highlight >}} - -## Set hostname and timezone - -{{< highlight sh >}} -export HOSTNAME=XXXXX -sed -i /etc/conf.d/hostname -e /hostname=/s/=.*/=\"${HOSTNAME}\"/ -echo "Europe/Paris" > /etc/timezone -emerge --config sys-libs/timezone-data -{{< /highlight >}} - -## Check cpu flags and compatibility - -TODO -{{< highlight sh >}} -emerge cpuid2cpuflags -1q -cpuid2cpuflags -gcc -### -march=native /usr/include/stdlib.h -{{< /highlight >}} - -## Rebuild the system - -{{< highlight sh >}} -emerge --quiet -e @world -emerge --quiet dosfstools app-admin/logrotate app-admin/syslog-ng app-portage/gentoolkit dev-vcs/git bird openvpn htop net-analyzer/tcpdump net-misc/bridge-utils sys-apps/i2c-tools sys-apps/pciutils sys-apps/usbutils sys-boot/grub sys-fs/ncdu sys-process/lsof -{{< /highlight >}} - -## Grab a working kernel - -Next we need to Grab a working kernel from our build server along with its modules. If you don't have one already, you have some work to do! - -Check the necessary hardware support with : -{{< highlight sh >}} -i2cdetect -l -lspci -nnk -lsusb -{{< /highlight >}} - -TODO specific page with details on how to build required modules like the nas for example. -{{< highlight sh >}} -emerge gentoo-sources genkernel -q -... -{{< /highlight >}} - -## Final configuration steps - -### fstab - -{{< highlight sh >}} -# /etc/fstab: static file system information. -# -# -/dev/vda3 / ext4 noatime 0 1 -/dev/vda2 /boot vfat noatime 1 2 -/portage.img /usr/portage ext2 noatime,nodev,loop 0 0 -{{< /highlight >}} - -### networking -{{< highlight sh >}} -echo 'hostname="phoenix"' > /etc/conf.d/hostname -echo 'dns_domain_lo="adyxax.org" -config_eth0="192.168.1.3 netmask 255.255.255.0" -routes_eth0="default via 192.168.1.1"' > /etc/conf.d/net -cd /etc/init.d -ln -s net.lo net.eth0 -rc-update add net.eth0 boot -{{< /highlight >}} - -### Grub - -TODO especially the conf in /etc/default/grub when using an encrypted / -{{< highlight sh >}} -{{< /highlight >}} - -### /etc/hosts - -{{< highlight sh >}} -scp root@collab-jde.nexen.net:/etc/hosts /etc/ -{{< /highlight >}} - -### root account access - -{{< highlight sh >}} -mkdir -p /root/.ssh -echo 'ssh-rsa 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 adyxax -ssh-rsa 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 hurricane' > /root/.ssh/authorized_keys -passwd -{{< /highlight >}} - -### Add necessary daemons on boot -{{< highlight sh >}} -rc-update add syslog-ng default -rc-update add cronie default -rc-update add sshd default -{{< /highlight >}} - -## TODO - -{{< highlight sh >}} -net-firewall/shorewall -... -rc-update add shorewall default -sed '/PRODUCTS/s/=.*/="shorewall"/' -i /etc/conf.d/shorewall-init -rc-update add shorewall-init boot - -net-analyzer/fail2ban -echo '[sshd] -enabled = true -filter = sshd -ignoreip = 127.0.0.1/8 10.1.0.0/24 37.187.103.36 137.74.173.247 90.85.207.113 -bantime = 3600 -banaction = shorewall -logpath = /var/log/messages -maxretry = 3' > /etc/fail2ban/jail.d/sshd.conf -rc-update add fail2ban default - -app-emulation/docker -/etc/docker/daemon.json -{ "iptables": false } -rc-update add docker default - -app-emulation/lxd -rc-update add lxd default -{{< /highlight >}} - -## References - -- http://blog.siphos.be/2013/04/gentoo-protip-using-buildpkgonly/ -- https://wiki.gentoo.org/wiki/Genkernel -- https://wiki.gentoo.org/wiki/Kernel/Configuration -- https://wiki.gentoo.org/wiki/Kernel -- https://forums.gentoo.org/viewtopic-t-1076024-start-0.html -- https://wiki.gentoo.org/wiki/Binary_package_guide#Setting_up_a_binary_package_host -- cgit v1.2.3