############################ #### SETUP & INFO #### ############################ ## WEBSITES Window Managers : http://xwinman.org/ Source List Generator : https://repogen.simplylinux.ch/index.php Themes : http://gnome-look.org/ Debootstrap Versions: http://packages.ubuntu.com/search?keywords=debootstrap&searchon=names&suite=all§ion=all Ubuntu-Mini-Remix : http://www.ubuntu-mini-remix.org/ SYSLINUX (Booting Live systems or install state) http://www.syslinux.org/wiki/index.php?title=HowTos#New_users (THIS COVERS BOOT METHODS FOR USB, CD, EFI, ETC) http://www.syslinux.org/wiki/index.php?title=ISOLINUX (THIS CREATES THE BOOT STRUCTURE FOR THE ISO!!!) SYSLINUX Archive (Needed for isolinux.bin && ldlinux.c32 to follow instructions in above link!!) https://www.kernel.org/pub/linux/utils/boot/syslinux/ NON SYSLINUX ARCHIVE METHOD (Try and get files from here) /usr/lib/syslinux/ Good Reference : http://willhaley.com/blog/create-a-custom-debian-stretch-live-environment-ubuntu-17-zesty/ Other : https://wiki.ubuntu.com/Releases http://archive.ubuntu.com/ubuntu/ http://archive.ubuntu.com/ubuntu/pool/main/d/debootstrap/ ## SETUP DIR STRUCTURE *** buildDir is where you are maintaining the squashfs and iso bits mkdir -p buildDir/iso/{casper,isolinux,install} ## holds where squshfs goes after modding. ## HAS ALL UNCOMPRESSED ISO BITS EXCLUDING SQUASHFS ## OR CONTAINS DEBOOTSTRAP GENERATED DIR STRUCTURE mkdir buildDir/squashfs-root/ ## this is where we can extract a squashfs ## from an iso OR generate our own from debootstrap. ** EXTRACTING A SQUASHFS CREATES THIS ** ONLY DO WHEN DEBOOTSTRAPING ## PACKAGES NEEDED PRIOR TO DOING ANYTHING sudo apt-get install xnest xserver-xephyr syslinux squashfs-tools genisoimage debootstrap ## debootstrap needs to be the version you're building ## ie, building vivid then need vivid's debootstrap ## link above has versions to dl ## FOR GUI CHROOT LIKE ENVIRONMENT **** In a seperate terminal from build terminal Xnest -ac :10 -geometry 1920x1080 ## Monitor resolution OR Xephyr -resizeable -screen 1920x1080 :10 ############################ #### BUILD METHODS #### ############################ ## BUILDING FROM AN Ubuntu-Mini-Remix -- DL Ubuntu-Mini-Remix [link above] and mount it -- copy out its contents to the iso/ dir GET THE HIDDEN .disk/ dir! ISO WILL FAIL OTHERWISE!! -- from that, copy the iso/casper/filesystem.squashfs to the same dir as iso/ dir -- unsquashfs filesystem.squashfs ## BUILDING FROM AN DEBOOTSTRAP ## same location as iso/ sudo debootstrap --variant=buildd http://archive.ubuntu.com/ubuntu/ OR sudo debootstrap --arch=amd64 vivid squashfs-root/ ## For 32bit use --arch=i386 ############################ #### BUILD PROCESS #### ############################ cd squashfs-root/ sudo mount -t proc proc proc/ sudo mount -t sysfs sys sys/ sudo mount -o bind /dev dev/ sudo cp /etc/resolv.conf etc/ sudo cp /etc/hosts etc/hosts ## do this one if in debootstrap sudo chroot . bash export HOME=/root export LC_ALL=C export DISPLAY=:10 ## GET sourcelist from source list generator [link above] nano it to /etc/apt/sources.list apt-get upgrade ## INSTALL AND MOD STUFF apt-get update apt-get install --yes dbus apt-get install -y ubuntu-standard casper lupin-casper apt-get install -y laptop-detect os-prober apt-get install -y linux-generic ## tasksel lets you ionstall various setups apt-get install -y xserver-xorg xorg xinit ubiquity-frontend-gtk tasksel synaptic aptitude apt-xapian-index ## just a ref apt-get install mate-core sddm ## change live cd user nano etc/casper.conf ############################ #### CLEAN PROCESS #### ############################ ##Clean the older non-used kernels to save space: dpkg -l 'linux-*' | sed '/^ii/!d;/'"$(uname -r | sed "s/\(.*\)-\([^0-9]\+\)/\1/")"'/d;s/^[^ ]* [^ ]* \([^ ]*\).*/\1/;/[0-9]/!d' | xargs sudo apt-get -y purge ## CLEAN SYSTEM apt-get autoremove --purge apt-get autoclean rm -rf tmp/* rm /etc/resolv.conf rm /var/lib/dbus/machine-id rm /sbin/initctl dpkg-divert --rename --remove /sbin/initctl ## in chroot or outer umount -lf dev/ umount -lf proc/ umount -lf sys/ exit EDIT to change names of Ubuntu iso/isolinux/txt.cfg ################################ #### Recreate manifest #### ################################ sudo chroot squashfs-root/ dpkg-query -W --showformat='${Package} ${Version}\n' | sudo tee iso/casper/filesystem.manifest sudo cp -v iso/casper/filesystem.manifest iso/casper/filesystem.manifest-desktop PUT IN SCRIPT >>> REMOVE='ubiquity ubiquity-frontend-gtk ubiquity-frontend-kde casper lupin-casper live-initramfs user-setup discover1 xresprobe os-prober libdebian-installer4' for i in $REMOVE do sudo sed -i "/${i}/d" iso/casper/filesystem.manifest-desktop done ############################ #### MAKE SQUASHFS #### ############################ If this Customised Remix is to potentially be installed on some systems then the /boot folder will be needed. To allow the Customised Cd to be an installer Cd, compress the entire chroot folder with this command: ## avg compression sudo mksquashfs squashfs-root/ iso/casper/filesystem.squashfs ## best compression sudo mksquashfs squashfs-root/ iso/casper/filesystem.squashfs -comp xz -e squashfs-root/boot Then write the filesystem.size file, which is needed by the installer: sudo chmod 644 iso/casper/filesystem.size printf $(sudo du -sx --block-size=1 squashfs-root/ | cut -f1) > iso/casper/filesystem.size sudo chmod 444 iso/casper/filesystem.size ############################ #### Calculate MD5 #### ############################ This calculates the md5sum of everything in the image folder, except the file named md5sum.txt. sudo -s (cd iso && find . -type f -print0 | xargs -0 md5sum | grep -v "\./md5sum.txt" > SHA256SUMS) exit ############################### #### Create ISO Image #### ############################### Create iso from the image directory using the command-line cd iso/ OPTION 1:: ## Works for me.... sudo mkisofs -D -r -cache-inodes -J -l -b isolinux/isolinux.bin -c isolinux/boot.cat -no-emul-boot -boot-load-size 4 -boot-info-table -o ../Sol-OSv3.iso . OR sudo mkisofs -b isolinux/isolinux.bin -c isolinux/boot.cat -no-emul-boot -boot-load-size 4 -boot-info-table -o ../Sol-OSv3.iso ./ OPTION 2:: ## Hasn't worked for me.... sudo mkisofs -r -no-emul-boot -boot-load-size 4 -o ../ubu-mini.iso -b isolinux/isolinux.bin -c isolinux/boot.cat ./