Once finished, you should have a ready to run Live USB containing the Live Operating System, Windows Installer, or System Diagnostics utility you previously selected. Simply choose your distribution from the list, browse to the ISO file, select your target flash drive, and then click Create. Popular Antivirus Scanners, Disk Cloning software or other System tools can also easily be made to run from the removable media. Make a flash drive boot from a Live Linux distribution, Windows Installer, or fully Install and Run Windows 10 or 11 from USB using Windows to Go methods. This ISO to USB imaging tool allows users to easily Boot from USB. Universal USB Installer (Imager) aka UUI is a Live Linux Bootable USB Creator Software. The link is always in the same place.Ī live Linux bootable USB creator that allows you to choose from a selection of Linux distributions to put on your USB flash drive and boot live or install. We don't believe in fake/misleading download buttons and tricks. If ! regexp '(.File - Download Universal USB Installer v2.0.1.6Īlways scroll to the bottom of the page for the main download link. # if filename does not contain ubuntu then abort Unset fred regexp -s 2:"fred" 'test regexp here' "$file" echo $fred Testing regexp from the grub2 command line ^ = start at beginning of line, look for any number of chars (.*), look for open parenthesis (, look for any number chars (.*), look for comma, - return 2nd match in parentheses as $2. (.+)$ = look for all chars till end of line (.+/)* = look for 1 or more chars up to / any number of times (/.*)$ = look for / followed by any chars up to end of line ( \(.* \))? = look for ( then anything then ) ? is zero or more of preceding match which is enclosed in ( ) If looking for ( or ) then must precede with \ Pathname "$file" isopath # make sure double-quotes around $file - this sets the isopath variable to /_ISO/DIR/some file name with spaces.isoĢ: = get second match value, 3: = 3rd matched value # set isopath to the fullpath without device name Usage where $file = (hd0,msdos1)/_ISO/DIR/some file name with spaces.iso Menuentry 'Ubuntu, with Linux 2.6.32-24-generic' -class ubuntu -class gnu-linux -class gnu -class os # hd0 For instance, if you load the video gfxterm module, the background_image command is then available. Some modules also add more commands to the environment. Note that grub.cfg files often start by loading many modules. cfg configuration files use a modified form of linux scripting (which does not seem to be fully documented!).Ī Guide to shell script language (very similar to grub2) can be found here and bash script programming here and a syntax guide here. Typically, grub2 will look for the /boot/grub/grub.cfg file after loading the normal.mod module. Type lsmod to see what modules have been loaded. This is because it has found and loaded the normal.mod module and probably several other modules so that it can access different file systems. This time you should see a grub> prompt as it boots to the grub command shell (unless a grub.cfg file was present). using QEMU) it will only need the /boot/grub/i386-pc module folder. To boot to the grub rescue prompt, rename these three folders so they cannot be found.įind these directories from a Ubuntu ISO and copy them to your USB drive (note: will be case-sensitive if ext filesystem).Į.g. boot/grub/i386-efi - for 32-bit EFI-mode boot/grub/i386-pc - for MBR-mode x86 modules Grub2 normally continues by loading some 'modules' from the $prefix// directory by default.Ī typical Ubuntu OS will have one or more of these module directories: Prefix is set to where grub expects to find grub.cfg - the configuration file. For instance, the current root is changed just by a set root=xxxxx command (you can also use root=xxxxx).Ĭmdpath shows what drive or partition grub was loaded from.
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