I have no hard drive installed, Only USB thumb drive. Will this be a problem? Answer It will work just fine. I’ve often used it as a tool to diagnose computers with hard drives that have quit working. If you want to save stuff, you could plug in a thumb drive or a USB hard … Read more
I often have a number of Live CDs sitting around (actually USBs) and I’m not always sure which version is which. Is there some quick way to find out the Ubuntu version I’m looking at? Perhaps a file I can look at on the CD, or some executable I can run or something? Answer There … Read more
What are some alternatives to upgrading without using the standard upgrade system? Suppose for example that I wanted to upgrade an Ubuntu installation on a machine with a poor Internet connection. What would my options be? Could I just use a standard Ubuntu disk to upgrade this machine? If I already have a standard Ubuntu … Read more
How do you install Cubic and use it to create a customized Ubuntu live CD *.iso file that can be burned to CD/DVD or copied to a bootable USB? Answer Cubic (Custom Ubuntu ISO Creator) is a GUI wizard to create a customized Ubuntu Live ISO image. Cubic permits effortless navigation through the ISO customization … Read more
I found that it can be done with loopback as follows menuentry “Lucid ISO” { loopback loop (hd0,1)/boot/iso/ubuntu-10.04-desktop-i386.iso linux (loop)/casper/vmlinuz boot=casper iso-scan/filename=/boot/iso/ubuntu-10.04-desktop-i386.iso noprompt noeject initrd (loop)/casper/initrd.lz } But it works only with ubuntu or its derivatives. How it should be written if I want to boot other live images like fedora, cent, opensuse etc. ? … Read more
I’m looking for the memtest option on the 64-bit version of the Ubuntu 12.04 live CD, but the only options I have are “Try Ubuntu without installing”, “Install Ubuntu”, and “Check disc for defects”. What am I missing? Edit: This question is relevant for the current versions of Ubuntu (amd64 alias 64-bit, which work in … Read more
I’ve just downloaded a CD image of Ubuntu. I know the installer has a check CD option, but how can I check that the image is good before burning it to CD? Answer First look up the hash of the ISO you download here: MD5SUMS for 16.04 SHA1SUMS for 16.04 SHA256SUMS for 16.04 (or in … Read more
When I boot Ubuntu 10.04.3 from a live CD, it asks me to enter a username and password. I have not booted before, and I haven’t created an account. Answer The default username is ubuntu, and the password is blank on an Ubuntu LiveCD. Brent posted the following over on Serverault: If the username “ubuntu” … Read more
