diff --git a/README.md b/README.md
index 7bae86f..201f27b 100644
--- a/README.md
+++ b/README.md
@@ -84,14 +84,14 @@ mkdir $HOME/live-ubuntu-from-scratch
```shell
cat <<EOF > /etc/apt/sources.list
- deb http://us.archive.ubuntu.com/ubuntu/ bionic main restricted universe multiverse
- deb-src 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/ focal main restricted universe multiverse
- deb http://us.archive.ubuntu.com/ubuntu/ bionic-security main restricted universe multiverse
- deb-src 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/ focal-security main restricted universe multiverse
- deb http://us.archive.ubuntu.com/ubuntu/ bionic-updates main restricted universe multiverse
- deb-src 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/ focal-updates main restricted universe multiverse
EOF
```
@@ -104,7 +104,7 @@ mkdir $HOME/live-ubuntu-from-scratch
6. **Install systemd**
```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.
@@ -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.
-8. **Install packages needed for Live System**
+8. **Upgrade packages**
+
+ ```shell
+ apt-get -y upgrade
+ ```
+
+9. **Install packages needed for Live System**
```shell
apt-get install -y \
@@ -163,34 +169,34 @@ mkdir $HOME/live-ubuntu-from-scratch
<img src="images/grub-configure-03.png">
</p>
-9. **Graphical installer**
+10. **Graphical installer**
- ```shell
- apt-get install -y \
+ ```shell
+ apt-get install -y \
ubiquity \
ubiquity-casper \
ubiquity-frontend-gtk \
ubiquity-slideshow-ubuntu \
ubiquity-ubuntu-artwork
- ```
+ ```
- The next steps will appear, as a result of the packages that will be installed from the previous step, this will happen without anything having to be informed or executed.
+ The next steps will appear, as a result of the packages that will be installed from the previous step, this will happen without anything having to be informed or executed.
- 1. Configure keyboard
- <p align="center">
- <img src="images/keyboard-configure-01.png">
- </p>
+ 1. Configure keyboard
+ <p align="center">
+ <img src="images/keyboard-configure-01.png">
+ </p>
- <p align="center">
- <img src="images/keyboard-configure-02.png">
- </p>
+ <p align="center">
+ <img src="images/keyboard-configure-02.png">
+ </p>
- 2. Console setup
- <p align="center">
- <img src="images/console-configure-01.png">
- </p>
+ 2. Console setup
+ <p align="center">
+ <img src="images/console-configure-01.png">
+ </p>
-10. **Install window manager**
+11. **Install window manager**
```shell
apt-get install -y \
@@ -199,7 +205,7 @@ mkdir $HOME/live-ubuntu-from-scratch
ubuntu-gnome-wallpapers
```
-11. **Install useful applications**
+12. **Install useful applications**
```shell
apt-get install -y \
@@ -212,7 +218,7 @@ mkdir $HOME/live-ubuntu-from-scratch
less
```
-12. **Install Visual Studio Code (optional)**
+13. **Install Visual Studio Code (optional)**
1. Download and install the key
@@ -234,7 +240,7 @@ mkdir $HOME/live-ubuntu-from-scratch
apt-get install -y code
```
-13. **Install Google Chrome (optional)**
+14. **Install Google Chrome (optional)**
1. Download and install the key
@@ -252,7 +258,7 @@ mkdir $HOME/live-ubuntu-from-scratch
apt-get install google-chrome-stable
```
-14. **Install Java JDK 8 (optional)**
+15. **Install Java JDK 8 (optional)**
```shell
apt-get install -y \
@@ -260,7 +266,7 @@ mkdir $HOME/live-ubuntu-from-scratch
openjdk-8-jre
```
-15. **Remove unused applications (optional)**
+16. **Remove unused applications (optional)**
```shell
apt-get purge -y \
@@ -273,13 +279,13 @@ mkdir $HOME/live-ubuntu-from-scratch
hitori
```
-16. **Remove unused packages**
+17. **Remove unused packages**
```shell
apt-get autoremove -y
```
-17. **Reconfigure packages**
+18. **Reconfigure packages**
1. Generate locales
@@ -336,7 +342,7 @@ mkdir $HOME/live-ubuntu-from-scratch
dpkg-reconfigure network-manager
```
-18. **Cleanup the chroot environment**
+19. **Cleanup the chroot environment**
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
- rm image/install/memtest86-usb.zip
+ rm -f image/install/memtest86-usb.zip
```
## Grub configuration
@@ -443,7 +449,7 @@ sudo umount $HOME/live-ubuntu-from-scratch/chroot/run
set timeout=30
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
}
@@ -603,7 +609,7 @@ After everything has been installed and preconfigured in the **chrooted** enviro
6. Generate md5sum.txt
```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
@@ -626,10 +632,12 @@ After everything has been installed and preconfigured in the **chrooted** enviro
-no-emul-boot \
-append_partition 2 0xef isolinux/efiboot.img \
-output "../ubuntu-from-scratch.iso" \
+ -m "isolinux/efiboot.img" \
+ -m "isolinux/bios.img" \
-graft-points \
- "." \
- /boot/grub/bios.img=isolinux/bios.img \
- /EFI/efiboot.img=isolinux/efiboot.img
+ "/EFI/efiboot.img=isolinux/efiboot.img" \
+ "/boot/grub/bios.img=isolinux/bios.img" \
+ "."
```
## Make a bootable USB image