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Final script to configure the system
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Luís Guilherme Bergamini Mendes
GitHub
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lfs-final.sh
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lfs-final.sh
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#!/bin/bash
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# LFS 10.0 Build Script
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# Final steps to configure the system
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# by Luís Mendes :)
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# 17/09/2020
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package_name=""
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package_ext=""
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begin() {
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package_name=$1
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package_ext=$2
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echo "[lfs-scripts] Starting build of $package_name at $(date)"
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tar xf $package_name.$package_ext
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cd $package_name
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}
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finish() {
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echo "[lfs-scripts] Finishing build of $package_name at $(date)"
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cd /sources
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rm -rf $package_name
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}
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cd /sources
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# 9.2. LFS-Bootscripts-20200818
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begin lfs-bootscripts-20200818 tar.xz
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make install
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finish
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# 9.4.1.2. Creating Custom Udev Rules
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bash /lib/udev/init-net-rules.sh
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# 9.5.1. Creating Network Interface Configuration Files
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cd /etc/sysconfig/
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cat > ifconfig.enp0s3 << "EOF"
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ONBOOT=yes
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IFACE=enp0s3
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SERVICE=ipv4-static
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IP=192.168.1.2
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GATEWAY=192.168.1.1
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PREFIX=24
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BROADCAST=192.168.1.255
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EOF
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# 9.5.2. Creating the /etc/resolv.conf File
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cat > /etc/resolv.conf << "EOF"
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# Begin /etc/resolv.conf
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nameserver 8.8.8.8
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nameserver 8.8.4.4
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# End /etc/resolv.conf
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EOF
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# 9.5.3. Configuring the system hostname
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echo "lfs" > /etc/hostname
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# 9.5.4. Customizing the /etc/hosts File
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cat > /etc/hosts << "EOF"
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# Begin /etc/hosts
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127.0.0.1 localhost.localdomain localhost
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::1 localhost ip6-localhost ip6-loopback
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ff02::1 ip6-allnodes
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ff02::2 ip6-allrouters
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# End /etc/hosts
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EOF
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# 9.6.2. Configuring Sysvinit
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cat > /etc/inittab << "EOF"
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# Begin /etc/inittab
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id:3:initdefault:
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si::sysinit:/etc/rc.d/init.d/rc S
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l0:0:wait:/etc/rc.d/init.d/rc 0
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l1:S1:wait:/etc/rc.d/init.d/rc 1
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l2:2:wait:/etc/rc.d/init.d/rc 2
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l3:3:wait:/etc/rc.d/init.d/rc 3
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l4:4:wait:/etc/rc.d/init.d/rc 4
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l5:5:wait:/etc/rc.d/init.d/rc 5
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l6:6:wait:/etc/rc.d/init.d/rc 6
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ca:12345:ctrlaltdel:/sbin/shutdown -t1 -a -r now
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su:S016:once:/sbin/sulogin
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1:2345:respawn:/sbin/agetty --noclear tty1 9600
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2:2345:respawn:/sbin/agetty tty2 9600
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3:2345:respawn:/sbin/agetty tty3 9600
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4:2345:respawn:/sbin/agetty tty4 9600
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5:2345:respawn:/sbin/agetty tty5 9600
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6:2345:respawn:/sbin/agetty tty6 9600
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# End /etc/inittab
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EOF
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# 9.6.4. Configuring the System Clock
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cat > /etc/sysconfig/clock << "EOF"
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# Begin /etc/sysconfig/clock
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UTC=1
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# Set this to any options you might need to give to hwclock,
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# such as machine hardware clock type for Alphas.
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CLOCKPARAMS=
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# End /etc/sysconfig/clock
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EOF
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# 9.7. The Bash Shell Startup Files
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cat > /etc/profile << "EOF"
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# Begin /etc/profile
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export LANG=en_US.UTF-8
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# End /etc/profile
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EOF
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# 9.8. Creating the /etc/inputrc File
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cat > /etc/inputrc << "EOF"
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# Begin /etc/inputrc
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# Modified by Chris Lynn <roryo@roryo.dynup.net>
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# Allow the command prompt to wrap to the next line
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set horizontal-scroll-mode Off
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# Enable 8bit input
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set meta-flag On
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set input-meta On
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# Turns off 8th bit stripping
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set convert-meta Off
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# Keep the 8th bit for display
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set output-meta On
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# none, visible or audible
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set bell-style none
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# All of the following map the escape sequence of the value
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# contained in the 1st argument to the readline specific functions
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"\eOd": backward-word
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"\eOc": forward-word
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# for linux console
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"\e[1~": beginning-of-line
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"\e[4~": end-of-line
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"\e[5~": beginning-of-history
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"\e[6~": end-of-history
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"\e[3~": delete-char
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"\e[2~": quoted-insert
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# for xterm
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"\eOH": beginning-of-line
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"\eOF": end-of-line
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# for Konsole
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"\e[H": beginning-of-line
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"\e[F": end-of-line
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# End /etc/inputrc
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EOF
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# 9.9. Creating the /etc/shells File
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cat > /etc/shells << "EOF"
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# Begin /etc/shells
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/bin/sh
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/bin/bash
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# End /etc/shells
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EOF
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# 10.2. Creating the /etc/fstab File
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cat > /etc/fstab << "EOF"
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# Begin /etc/fstab
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# file system mount-point type options dump fsck
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# order
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/dev/sda1 / ext4 defaults 1 1
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proc /proc proc nosuid,noexec,nodev 0 0
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sysfs /sys sysfs nosuid,noexec,nodev 0 0
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devpts /dev/pts devpts gid=5,mode=620 0 0
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tmpfs /run tmpfs defaults 0 0
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devtmpfs /dev devtmpfs mode=0755,nosuid 0 0
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# End /etc/fstab
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EOF
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# 10.3. Linux-5.8.3
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begin linux 5.8.3.tar.xz
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make mrproper
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make defconfig
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make
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make modules_install
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cp -iv arch/x86/boot/bzImage /boot/vmlinuz-5.8.3-lfs-10.0
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cp -iv System.map /boot/System.map-5.8.3
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cp -iv .config /boot/config-5.8.3
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install -d /usr/share/doc/linux-5.8.3
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cp -r Documentation/* /usr/share/doc/linux-5.8.3
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finish
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# 10.3.2. Configuring Linux Module Load Order
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install -v -m755 -d /etc/modprobe.d
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cat > /etc/modprobe.d/usb.conf << "EOF"
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# Begin /etc/modprobe.d/usb.conf
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install ohci_hcd /sbin/modprobe ehci_hcd ; /sbin/modprobe -i ohci_hcd ; true
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install uhci_hcd /sbin/modprobe ehci_hcd ; /sbin/modprobe -i uhci_hcd ; true
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# End /etc/modprobe.d/usb.conf
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EOF
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# 10.4. Using GRUB to Set Up the Boot Process
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grub-install /dev/sdb
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cat > /boot/grub/grub.cfg << "EOF"
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# Begin /boot/grub/grub.cfg
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set default=0
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set timeout=5
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insmod ext2
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set root=(hd0,1)
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menuentry "GNU/Linux, Linux 5.8.3-lfs-10.0" {
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linux /boot/vmlinuz-5.8.3-lfs-10.0 root=/dev/sda1 ro
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}
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EOF
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