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Marcos Vallim
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README.md
257
README.md
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@ -253,7 +253,7 @@ sudo umount $HOME/live-ubuntu-from-scratch/chroot/run
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```
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```
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sudo cp chroot/boot/vmlinuz-**-**-generic image/casper/vmlinuz
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sudo cp chroot/boot/vmlinuz-**-**-generic image/casper/vmlinuz
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sudo cp chroot/boot/initrd.img-**-**-generic image/casper/initrd.gz
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sudo cp chroot/boot/initrd.img-**-**-generic image/casper/initrd
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```
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```
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3. Copy isolinux and memtest binaries
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3. Copy isolinux and memtest binaries
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@ -264,105 +264,105 @@ sudo umount $HOME/live-ubuntu-from-scratch/chroot/run
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sudo cp chroot/boot/memtest86+.bin image/install/memtest
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sudo cp chroot/boot/memtest86+.bin image/install/memtest
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```
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```
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## Boot Instructions
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## Boot Instructions
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1. Access build directory
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1. **Splash screen**
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```
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cd $HOME/live-ubuntu-from-scratch
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```
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2. Create image/isolinux.txt
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1. Access build directory
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```
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```
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cat <<EOF > image/isolinux.txt
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cd $HOME/live-ubuntu-from-scratch
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splash.rle
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```
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************************************************************************
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2. Create image 640x480 in png format (splash.png)
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<p align="center">
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<img src="image/splash.png"><br>
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</p>
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This is an Ubuntu from scratch Live CD.
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3. Move image
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```
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sudo mv splash.png image/
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```
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For the default live system, enter "live". To run memtest86+, enter "memtest"
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2. **Boot-loader configuration**
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************************************************************************
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EOF
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```
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## Splash screen
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1. Access build directory
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```
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cd $HOME/live-ubuntu-from-scratch
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```
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2. Create image 640x480 in png format (splash.png)
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<p align="center">
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<img src="image/splash.png"><br>
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</p>
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3. Convert png image to ppm (indexed 16 colors)
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```
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convert +dither -colors 16 splash.png splash.ppm
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```
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4. Convert ppm to rle
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```
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ppmtolss16 '#ffffff=7' < splash.ppm > splash.rle
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```
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5. Move image
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```
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sudo mv splash.rle image/
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```
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## Boot-loader configuration
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1. Access build directory
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```
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cd $HOME/live-ubuntu-from-scratch
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```
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2. Create image/isolinux.cfg
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```
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cat <<EOF > image/isolinux.cfg
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path
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include menu.cfg
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default vesamenu.c32
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prompt 0
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timeout 50
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EOF
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```
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3. Create image/menu.cfg
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```
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cat <<EOF > image/menu.cfg
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menu hshift 13
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menu width 49
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menu margin 8
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menu title Installer boot menu
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include txt.cfg
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```
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4. Create image/txt.cfg
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```
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cat <<EOF > image/txt.cfg
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default live
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label live
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menu label ^Try Ubuntu from scratch without installing
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kernel /casper/vmlinuz
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append file=/cdrom/preseed/ubuntu.seed boot=casper initrd=/casper/initrd quiet splash ---
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label live-install
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menu label ^Install Ubuntu from scratch
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kernel /casper/vmlinuz
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append file=/cdrom/preseed/ubuntu.seed boot=casper only-ubiquity initrd=/casper/initrd quiet splash ---
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label check
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menu label ^Check disc for defects
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kernel /casper/vmlinuz
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append boot=casper integrity-check initrd=/casper/initrd quiet splash ---
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label memtest
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menu label Test ^memory
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kernel /install/memtest
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EOF
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```
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1. Access build directory
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```
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cd $HOME/live-ubuntu-from-scratch
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```
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2. Create image/isolinux/isolinux.cfg
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```
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cat <<EOF > image/isolinux/isolinux.cfg
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path
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include menu.cfg
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default vesamenu.c32
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prompt 0
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timeout 50
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EOF
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```
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3. Create image/isolinux/menu.cfg
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```
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cat <<EOF > image/isolinux/menu.cfg
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menu hshift 13
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menu width 49
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menu margin 8
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menu title Installer boot menu
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include stdmenu.cfg
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include txt.cfg
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EOF
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```
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4. Create image/isolinux/stdmenu.cfg
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```
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cat <<EOF > image/isolinux/stdmenu.cfg
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menu background splash.png
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menu color title * #FFFFFFFF *
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menu color border * #00000000 #00000000 none
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menu color sel * #ffffffff #76a1d0ff *
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menu color hotsel 1;7;37;40 #ffffffff #76a1d0ff *
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menu color tabmsg * #ffffffff #00000000 *
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menu color help 37;40 #ffdddd00 #00000000 none
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menu vshift 12
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menu rows 10
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menu helpmsgrow 15
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# The command line must be at least one line from the bottom.
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menu cmdlinerow 16
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menu timeoutrow 16
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menu tabmsgrow 18
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menu tabmsg Press ENTER to boot or TAB to edit a menu entry
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EOF
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```
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5. Create image/isolinux/txt.cfg
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```
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cat <<EOF > image/isolinux/txt.cfg
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default live
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label live
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menu label ^Try Ubuntu without installing
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kernel /casper/vmlinuz
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append file=/cdrom/preseed/ubuntu.seed boot=casper initrd=/casper/initrd quiet splash ---
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label live-install
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menu label ^Install Ubuntu
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kernel /casper/vmlinuz
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append file=/cdrom/preseed/ubuntu.seed boot=casper only-ubiquity initrd=/casper/initrd quiet splash ---
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label check
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menu label ^Check disc for defects
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kernel /casper/vmlinuz
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append boot=casper integrity-check initrd=/casper/initrd quiet splash ---
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label memtest
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menu label Test ^memory
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kernel /install/memtest
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label rescue
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menu label ^Rescue mode
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kernel /install/vmlinuz
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append vga=788 initrd=/install/initrd.gz rescue/enable=true --- quiet
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EOF
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```
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## Create manifest
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## Create manifest
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1. Access build directory
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1. Access build directory
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sudo cp -v image/casper/filesystem.manifest image/casper/filesystem.manifest-desktop
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sudo cp -v image/casper/filesystem.manifest image/casper/filesystem.manifest-desktop
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REMOVE='ubiquity ubiquity-frontend-gtk ubiquity-frontend-kde casper lupin-casper live-initramfs user-setup discover1 xresprobe os-prober libdebian-installer4'
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REMOVE='ubiquity ubiquity-frontend-gtk ubiquity-frontend-kde casper lupin-casper live-initramfs user-setup discover1 xresprobe os-prober debian-installer4'
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for i in $REMOVE
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for i in $REMOVE
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do
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do
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3. Write the filesystem.size
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3. Write the filesystem.size
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```
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```
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printf $(sudo du -sx --block-size=1 chroot | cut -f1) > image/casper/filesystem.size
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printf $(sudo du -sx --block-size=1 chroot | cut -f1) > image/casper/filesystem.size
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```
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## Create diskdefines
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1. Access build directory
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```
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cd $HOME/live-ubuntu-from-scratch
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```
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2. Create file image/README.diskdefines
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```
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cat <<EOF > image/README.diskdefines
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#define DISKNAME Ubuntu from scratch
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#define TYPE binary
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#define TYPEbinary 1
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#define ARCH amd64
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#define ARCHamd64 1
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#define DISKNUM 1
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#define DISKNUM1 1
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#define TOTALNUM 0
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#define TOTALNUM0 1
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EOF
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```
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## Recognition as an Ubuntu from scratch
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1. Access build directory
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```
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cd $HOME/live-ubuntu-from-scratch
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```
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2. Create an empty file named "ubuntu" and a hidden ".disk" folder.
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```
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touch image/ubuntu
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mkdir image/.disk
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```
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## Calculate MD5
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1. Access build directory
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```
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cd $HOME/live-ubuntu-from-scratch
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```
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2. Generate md5sum.txt
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```
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sudo /bin/bash -c "(cd image && find . -type f -print0 | xargs -0 md5sum | grep -v "\./md5sum.txt" > md5sum.txt)"
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```
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## Create ISO Image for a LiveCD
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1. Access image directory
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```
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cd $HOME/live-ubuntu-from-scratch/image
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```
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2. Create iso from the image directory using the command-line
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```
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sudo genisoimage -D -r \
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-V "Ubuntu from scratch" \
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-cache-inodes -J -l \
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-b isolinux/isolinux.bin \
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-c isolinux/boot.cat \
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-no-emul-boot \
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-boot-load-size 4 \
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-boot-info-table -o ../ubuntu-from-scratch.iso .
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```
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```
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BIN
image/splash.png
BIN
image/splash.png
Binary file not shown.
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Before Width: | Height: | Size: 15 KiB After Width: | Height: | Size: 45 KiB |
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