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Keep in mind that many Linux distributions customize the BashRC file, so you may not find this line. I guess the firmware just ignores the Load Sectors value, and looks at the FAT boot sector to find the real size.

#EDIT LINUX ISO FILE CODE#

Inside of your BashRC file, look for User specific aliases and functions and paste the following code underneath it. In order to access the contents of the ISO file we can mount it as a file system. Open the file with Nano and add the following to enable quick history searching nano /.bashrc. The below steps are what I use to add a custom directory to the installation iso file. Select destination folder you want to extract. Click Extract ISO to toolbar button, or choose a related command from the Tools menu. So, its exactly what you want to do, turning a bunch of files and folders, with any formats, to an ISO, and giving the ISO the instrinsic 'bootable' property. Extract files and folders from the ISO image to a temporary folder. dll files and other formats, to an ISO file, and checked Make Image Bootable in the section called Advanced Bootable Disc.

#EDIT LINUX ISO FILE INSTALL#

There are many ways to reach a kickstart file during initial install (NFS, HTTP, FTP) but one of the ways I commonly use is to put the file on the installation DVD itself. To edit a CD/DVD-ROM ISO Image: Click Load file tree from existing ISO toolbar button, or choose Load from ISO from File menu, or press Ctrl+L. Basically, you can use this program to extract files from an ISO, add files to an ISO, and create a bootable ISO all in a graphical-user-interface.

#EDIT LINUX ISO FILE UPDATE#

If this doesn't work for you, then the long-handed way to do what you want is to load a DVD-RAM or DVD-RW in your drive and burn the image, update it and create a new ISO image, using one of several command-line tools available in Linux.In the office I use Red Hat quite often and one of the quicker ways to provision a Red Hat server is via kickstart. ISO Master is an open-source and easy to use, graphical CD image editor for Linux and BSD.

#EDIT LINUX ISO FILE HOW TO#

I would urge you to work on copies of the original files, or at least make sure they are well backed up beforehand (ISO files usually compress quite well). How To Edit An Iso File In Linux File > Properties is the menu to look up information about your ISO file and change its properties. PowerISO is a powerful CD / DVD / BD image file processing tool, which allows you to open, extract, burn, create, edit, compress, encrypt, split and convert ISO files, and mount ISO files with internal virtual drive. These answers contain details of other programs which may also be adaptable to solve your problem. I did all this when logged on as root, though this may not be necessary, since physical devices are not being accessed. The mounted volume seemed to contain both added file and all the original ones, and after dismounting I found that I could boot the new image in VMware: the new file was again present in the root of the CDrom. I tested by adding a single file to the root of a Linux LiveCD and the updated file could be mounted with: mount -o ro,loop -t iso9660 image_to_grow.iso /mnt/tmp In this case I have used the ISO image instead of the DVD device descriptor in the reference, but the command did still work, although there were a couple of warnings: there may be some options to prevent these, but I didn't investigate. Thanks to this answer I found that the following works: growisofs -M image_to_grow.iso -R -J files_or_dirs_to_add This is an interesting problem and I have been looking at the alternatives.