Merge pull request #4 from mvallim/issue-3
Change version to Focal Fossa
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Marcos Tischer Vallim
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README.md
58
README.md
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@ -29,7 +29,7 @@ mkdir $HOME/live-ubuntu-from-scratch
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sudo debootstrap \
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--arch=amd64 \
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--variant=minbase \
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bionic \
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focal \
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$HOME/live-ubuntu-from-scratch/chroot \
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http://us.archive.ubuntu.com/ubuntu/
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```
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@ -84,14 +84,14 @@ mkdir $HOME/live-ubuntu-from-scratch
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```shell
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cat <<EOF > /etc/apt/sources.list
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deb http://us.archive.ubuntu.com/ubuntu/ bionic main restricted universe multiverse
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deb-src http://us.archive.ubuntu.com/ubuntu/ bionic main restricted universe multiverse
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deb http://us.archive.ubuntu.com/ubuntu/ focal main restricted universe multiverse
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deb-src http://us.archive.ubuntu.com/ubuntu/ focal main restricted universe multiverse
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deb http://us.archive.ubuntu.com/ubuntu/ bionic-security main restricted universe multiverse
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deb-src http://us.archive.ubuntu.com/ubuntu/ bionic-security main restricted universe multiverse
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deb http://us.archive.ubuntu.com/ubuntu/ focal-security main restricted universe multiverse
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deb-src http://us.archive.ubuntu.com/ubuntu/ focal-security main restricted universe multiverse
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deb http://us.archive.ubuntu.com/ubuntu/ bionic-updates main restricted universe multiverse
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deb-src http://us.archive.ubuntu.com/ubuntu/ bionic-updates main restricted universe multiverse
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deb http://us.archive.ubuntu.com/ubuntu/ focal-updates main restricted universe multiverse
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deb-src http://us.archive.ubuntu.com/ubuntu/ focal-updates main restricted universe multiverse
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EOF
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```
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@ -104,7 +104,7 @@ mkdir $HOME/live-ubuntu-from-scratch
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6. **Install systemd**
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```shell
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apt-get install -y systemd-sysv
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apt-get install -y libterm-readline-gnu-perl systemd-sysv
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```
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> **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.
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@ -127,7 +127,13 @@ mkdir $HOME/live-ubuntu-from-scratch
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> **dpkg-divert** is the utility used to set up and update the list of diversions.
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8. **Install packages needed for Live System**
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8. **Upgrade packages**
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```shell
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apt-get -y upgrade
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```
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9. **Install packages needed for Live System**
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```shell
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apt-get install -y \
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@ -163,7 +169,7 @@ mkdir $HOME/live-ubuntu-from-scratch
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<img src="images/grub-configure-03.png">
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</p>
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9. **Graphical installer**
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10. **Graphical installer**
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```shell
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apt-get install -y \
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@ -190,7 +196,7 @@ mkdir $HOME/live-ubuntu-from-scratch
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<img src="images/console-configure-01.png">
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</p>
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10. **Install window manager**
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11. **Install window manager**
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```shell
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apt-get install -y \
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@ -199,7 +205,7 @@ mkdir $HOME/live-ubuntu-from-scratch
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ubuntu-gnome-wallpapers
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```
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11. **Install useful applications**
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12. **Install useful applications**
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```shell
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apt-get install -y \
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@ -212,7 +218,7 @@ mkdir $HOME/live-ubuntu-from-scratch
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less
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```
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12. **Install Visual Studio Code (optional)**
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13. **Install Visual Studio Code (optional)**
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1. Download and install the key
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@ -234,7 +240,7 @@ mkdir $HOME/live-ubuntu-from-scratch
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apt-get install -y code
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```
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13. **Install Google Chrome (optional)**
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14. **Install Google Chrome (optional)**
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1. Download and install the key
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@ -252,7 +258,7 @@ mkdir $HOME/live-ubuntu-from-scratch
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apt-get install google-chrome-stable
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```
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14. **Install Java JDK 8 (optional)**
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15. **Install Java JDK 8 (optional)**
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```shell
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apt-get install -y \
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@ -260,7 +266,7 @@ mkdir $HOME/live-ubuntu-from-scratch
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openjdk-8-jre
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```
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15. **Remove unused applications (optional)**
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16. **Remove unused applications (optional)**
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```shell
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apt-get purge -y \
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@ -273,13 +279,13 @@ mkdir $HOME/live-ubuntu-from-scratch
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hitori
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```
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16. **Remove unused packages**
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17. **Remove unused packages**
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```shell
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apt-get autoremove -y
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```
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17. **Reconfigure packages**
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18. **Reconfigure packages**
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1. Generate locales
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@ -336,7 +342,7 @@ mkdir $HOME/live-ubuntu-from-scratch
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dpkg-reconfigure network-manager
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```
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18. **Cleanup the chroot environment**
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19. **Cleanup the chroot environment**
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1. If you installed software, be sure to run
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@ -413,7 +419,7 @@ sudo umount $HOME/live-ubuntu-from-scratch/chroot/run
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unzip -p image/install/memtest86-usb.zip memtest86-usb.img > image/install/memtest86
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rm image/install/memtest86-usb.zip
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rm -f image/install/memtest86-usb.zip
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```
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## Grub configuration
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@ -443,7 +449,7 @@ sudo umount $HOME/live-ubuntu-from-scratch/chroot/run
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set timeout=30
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menuentry "Try Ubuntu FS without installing" {
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linux /casper/vmlinuz boot=casper quiet splash ---
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linux /casper/vmlinuz boot=casper nopersistent toram quiet splash ---
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initrd /casper/initrd
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}
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@ -603,7 +609,7 @@ After everything has been installed and preconfigured in the **chrooted** enviro
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6. Generate md5sum.txt
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```shell
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sudo /bin/bash -c "(find . -type f -print0 | xargs -0 md5sum | grep -v "\./md5sum.txt" > md5sum.txt)"
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sudo /bin/bash -c "(find . -type f -print0 | xargs -0 md5sum | grep -v -e 'md5sum.txt' -e 'bios.img' -e 'efiboot.img' > md5sum.txt)"
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```
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7. Create iso from the image directory using the command-line
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-no-emul-boot \
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-append_partition 2 0xef isolinux/efiboot.img \
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-output "../ubuntu-from-scratch.iso" \
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-m "isolinux/efiboot.img" \
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-m "isolinux/bios.img" \
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-graft-points \
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"." \
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/boot/grub/bios.img=isolinux/bios.img \
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/EFI/efiboot.img=isolinux/efiboot.img
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"/EFI/efiboot.img=isolinux/efiboot.img" \
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"/boot/grub/bios.img=isolinux/bios.img" \
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"."
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```
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## Make a bootable USB image
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