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live-custom-ubuntu-from-scratch
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Merge pull request #4 from mvallim/issue-3 

Change version to Focal Fossa
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Marcos Tischer Vallim 2020-06-22 05:00:54 -03:00 committed by GitHub
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README.md
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@ -29,7 +29,7 @@ mkdir $HOME/live-ubuntu-from-scratch
sudo debootstrap \ sudo debootstrap \
--arch=amd64 \ --arch=amd64 \
--variant=minbase \ --variant=minbase \
bionic \ focal \
$HOME/live-ubuntu-from-scratch/chroot \ $HOME/live-ubuntu-from-scratch/chroot \
http://us.archive.ubuntu.com/ubuntu/ http://us.archive.ubuntu.com/ubuntu/
``` ```
@ -84,14 +84,14 @@ mkdir $HOME/live-ubuntu-from-scratch
```shell ```shell
cat <<EOF > /etc/apt/sources.list cat <<EOF > /etc/apt/sources.list
deb http://us.archive.ubuntu.com/ubuntu/ bionic main restricted universe multiverse deb http://us.archive.ubuntu.com/ubuntu/ focal main restricted universe multiverse
deb-src http://us.archive.ubuntu.com/ubuntu/ bionic main restricted universe multiverse deb-src http://us.archive.ubuntu.com/ubuntu/ focal main restricted universe multiverse
deb http://us.archive.ubuntu.com/ubuntu/ bionic-security main restricted universe multiverse deb http://us.archive.ubuntu.com/ubuntu/ focal-security main restricted universe multiverse
deb-src http://us.archive.ubuntu.com/ubuntu/ bionic-security main restricted universe multiverse deb-src http://us.archive.ubuntu.com/ubuntu/ focal-security main restricted universe multiverse
deb http://us.archive.ubuntu.com/ubuntu/ bionic-updates main restricted universe multiverse deb http://us.archive.ubuntu.com/ubuntu/ focal-updates main restricted universe multiverse
deb-src http://us.archive.ubuntu.com/ubuntu/ bionic-updates main restricted universe multiverse deb-src http://us.archive.ubuntu.com/ubuntu/ focal-updates main restricted universe multiverse
EOF EOF
``` ```
@ -104,7 +104,7 @@ mkdir $HOME/live-ubuntu-from-scratch
6. **Install systemd** 6. **Install systemd**
```shell ```shell
apt-get install -y systemd-sysv apt-get install -y libterm-readline-gnu-perl systemd-sysv
``` ```
> **systemd** is a system and service manager for Linux. It provides aggressive parallelization capabilities, uses socket and D-Bus activation for starting services, offers on-demand starting of daemons, keeps track of processes using Linux control groups, maintains mount and automount points and implements an elaborate transactional dependency-based service control logic. > **systemd** is a system and service manager for Linux. It provides aggressive parallelization capabilities, uses socket and D-Bus activation for starting services, offers on-demand starting of daemons, keeps track of processes using Linux control groups, maintains mount and automount points and implements an elaborate transactional dependency-based service control logic.
@ -127,7 +127,13 @@ mkdir $HOME/live-ubuntu-from-scratch
> **dpkg-divert** is the utility used to set up and update the list of diversions. > **dpkg-divert** is the utility used to set up and update the list of diversions.
8. **Install packages needed for Live System** 8. **Upgrade packages**
```shell
apt-get -y upgrade
```
9. **Install packages needed for Live System**
```shell ```shell
apt-get install -y \ apt-get install -y \
@ -163,7 +169,7 @@ mkdir $HOME/live-ubuntu-from-scratch
<img src="images/grub-configure-03.png"> <img src="images/grub-configure-03.png">
</p> </p>
9. **Graphical installer** 10. **Graphical installer**
```shell ```shell
apt-get install -y \ apt-get install -y \
@ -190,7 +196,7 @@ mkdir $HOME/live-ubuntu-from-scratch
<img src="images/console-configure-01.png"> <img src="images/console-configure-01.png">
</p> </p>
10. **Install window manager** 11. **Install window manager**
```shell ```shell
apt-get install -y \ apt-get install -y \
@ -199,7 +205,7 @@ mkdir $HOME/live-ubuntu-from-scratch
ubuntu-gnome-wallpapers ubuntu-gnome-wallpapers
``` ```
11. **Install useful applications** 12. **Install useful applications**
```shell ```shell
apt-get install -y \ apt-get install -y \
@ -212,7 +218,7 @@ mkdir $HOME/live-ubuntu-from-scratch
less less
``` ```
12. **Install Visual Studio Code (optional)** 13. **Install Visual Studio Code (optional)**
1. Download and install the key 1. Download and install the key
@ -234,7 +240,7 @@ mkdir $HOME/live-ubuntu-from-scratch
apt-get install -y code apt-get install -y code
``` ```
13. **Install Google Chrome (optional)** 14. **Install Google Chrome (optional)**
1. Download and install the key 1. Download and install the key
@ -252,7 +258,7 @@ mkdir $HOME/live-ubuntu-from-scratch
apt-get install google-chrome-stable apt-get install google-chrome-stable
``` ```
14. **Install Java JDK 8 (optional)** 15. **Install Java JDK 8 (optional)**
```shell ```shell
apt-get install -y \ apt-get install -y \
@ -260,7 +266,7 @@ mkdir $HOME/live-ubuntu-from-scratch
openjdk-8-jre openjdk-8-jre
``` ```
15. **Remove unused applications (optional)** 16. **Remove unused applications (optional)**
```shell ```shell
apt-get purge -y \ apt-get purge -y \
@ -273,13 +279,13 @@ mkdir $HOME/live-ubuntu-from-scratch
hitori hitori
``` ```
16. **Remove unused packages** 17. **Remove unused packages**
```shell ```shell
apt-get autoremove -y apt-get autoremove -y
``` ```
17. **Reconfigure packages** 18. **Reconfigure packages**
1. Generate locales 1. Generate locales
@ -336,7 +342,7 @@ mkdir $HOME/live-ubuntu-from-scratch
dpkg-reconfigure network-manager dpkg-reconfigure network-manager
``` ```
18. **Cleanup the chroot environment** 19. **Cleanup the chroot environment**
1. If you installed software, be sure to run 1. If you installed software, be sure to run
@ -413,7 +419,7 @@ sudo umount $HOME/live-ubuntu-from-scratch/chroot/run
unzip -p image/install/memtest86-usb.zip memtest86-usb.img > image/install/memtest86 unzip -p image/install/memtest86-usb.zip memtest86-usb.img > image/install/memtest86
rm image/install/memtest86-usb.zip rm -f image/install/memtest86-usb.zip
``` ```
## Grub configuration ## Grub configuration
@ -443,7 +449,7 @@ sudo umount $HOME/live-ubuntu-from-scratch/chroot/run
set timeout=30 set timeout=30
menuentry "Try Ubuntu FS without installing" { menuentry "Try Ubuntu FS without installing" {
linux /casper/vmlinuz boot=casper quiet splash --- linux /casper/vmlinuz boot=casper nopersistent toram quiet splash ---
initrd /casper/initrd initrd /casper/initrd
} }
@ -603,7 +609,7 @@ After everything has been installed and preconfigured in the **chrooted** enviro
6. Generate md5sum.txt 6. Generate md5sum.txt
```shell ```shell
sudo /bin/bash -c "(find . -type f -print0 | xargs -0 md5sum | grep -v "\./md5sum.txt" > md5sum.txt)" sudo /bin/bash -c "(find . -type f -print0 | xargs -0 md5sum | grep -v -e 'md5sum.txt' -e 'bios.img' -e 'efiboot.img' > md5sum.txt)"
``` ```
7. Create iso from the image directory using the command-line 7. Create iso from the image directory using the command-line
@ -626,10 +632,12 @@ After everything has been installed and preconfigured in the **chrooted** enviro
-no-emul-boot \ -no-emul-boot \
-append_partition 2 0xef isolinux/efiboot.img \ -append_partition 2 0xef isolinux/efiboot.img \
-output "../ubuntu-from-scratch.iso" \ -output "../ubuntu-from-scratch.iso" \
-m "isolinux/efiboot.img" \
-m "isolinux/bios.img" \
-graft-points \ -graft-points \
"." \ "/EFI/efiboot.img=isolinux/efiboot.img" \
/boot/grub/bios.img=isolinux/bios.img \ "/boot/grub/bios.img=isolinux/bios.img" \
/EFI/efiboot.img=isolinux/efiboot.img "."
``` ```
## Make a bootable USB image ## Make a bootable USB image