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Archive Manager can be started in the following ways: lz extension now used by Ubuntu.Īrchive Manager/File Roller is a GUI application which can inspect the contents of an ISO file. Note that some non-Ubuntu ISOs contain an initrd image with a. On other bootable Linux ISOs and utility CDs, these files may be located in other folders and may be named differently ( vmlinuz0, initramfs, etc). The kernel link is vmlinuz and the image file is initrd.img. These files reside in the casper folder on a standard Ubuntu ISO. The two most important files contained on the ISO, for building the menuentry, are the kernel and the initrd image. Viewing the folders and files contained in an ISO can help determine menuentry path designations and the names assigned to system folders and files. There are several methods the user can employ to examine the contents of the ISO file. In such cases, since the partition is directly mounted by GRUB 2, the address would not include /home or /boot. If the system uses a separate partition for a system folder such as /home or /boot, the user must ensure to properly identify the location of the ISO in the menuentry's PATH. The ISO can remain on the system partition (/) if desired.If stored on a partition with a different format than the system, the filesystem's module (ntfs, reiserfs, etc) may need to be included in the menuentry for GRUB to be able to access the file.The partition format does not need to be ext3/4. The ISO file may be stored on any partition accessible to GRUB 2.Note: Storing the ISO file in /boot is not recommended if you are using a small, separate /boot partition. Additionally, users making system backups might wish to exclude the folder in which the ISO is stored if the file remains on the system (/) partition.įor purposes of this guide, the ISO will be placed in the user's Downloads folder (/home/ username/Downloads). Storing it on a non-system partition should be considered if space is limited on the system (/) partition. Typically, the ISO CD image is approximately 700 MB, while the DVD version is even larger. Once downloaded, the user must decide where to store the file. The Desktop version filename for officially released versions of Ubuntu uses the format of for the 64-bit version and for the 32-bit version, with XX.XX being the release number (such as 12.04, 11.10, etc).
#Load iso to usb download#
The Ubuntu default download location is normally to the user's Downloads folder, but the ISO may also appear on the Desktop or another location defined by the user. Links to installation help and alternative download sites are accessible from that page as well.
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Ubuntu CD/DVDs can be downloaded from the official Ubuntu site: Ubuntu Download page. There are also Server versions, as well as an Alternate CD version for users having special requirements or using RAID and/or LVM. The 32-bit version (-i386) will run on a 64-bit computer, but a 64-bit version (-amd64) will not run on a 32-bit computer. The Desktop version is available in 32-bit and 64-bit versions. The user should decide beforehand which ISO to download.
#Load iso to usb install#
Install Ubuntu directly from an ISO file via the GRUB 2 menuĪdditionally, examples of GRUB 2 menuentries for other operating system and utility CDs are provided on the Grub2/ISOBoot/Examples page.Create a GRUB 2 menuentry for running the ISO directly from a file.GRUB Legacy can not use this feature.Īll GRUB references on this page refer to GRUB 2 (version 1.97 or later) unless otherwise noted. In order to use this feature, GRUB 2 must already be installed on the system. In addition to Ubuntu ISOs, many other Linux distributions as well as popular rescue CDs can be booted directly from an ISO file. This feature permits the user to boot and use the "Try Ubuntu" feature of the Ubuntu installation CD as well as to install Ubuntu directly from an ISO on the hard drive. Ubuntu ISOs are designed to allow booting directly from the hard drive using GRUB 2 and eliminates the need for burning a CD/DVD. Installing Ubuntu from a Menuentry Boot.Separate boot drive using ISO boot alias grub-n-iso from template.Make a USB pendrive that can boot (almost) all PCs.