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Linux not booting

MiszS
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Posted (edited)

So I just resized my linux partition to take up the entire drive (from iso ofc), and now it isn't booting, says boot device not found, and to install an os, does anyone know a fix, or do I need to reinstall linux, I do have my data backed up, but it will be a bit of work to install everything again

 

edit: i just realized that im dumb asf, and i deleted the boot partition when deleting windows, now i know what my issue was

Edited by MiszS
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Posted

What distro and specs? You need to make a FAT32 partition and install GRUB again.

CPU: 7900X

GPU: 7900XTX

RAM: 32 GBs DDR5

OS: PikaOS (Linux)

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12 minutes ago, Cosmic Emotion said:

What distro and specs? You need to make a FAT32 partition and install GRUB again.

I have linux mint cinnamon, but what specs are you talking about? I just tried to install grub again using a tutorial, but it just didn't work

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27 minutes ago, MiszS said:

I have linux mint cinnamon, but what specs are you talking about? I just tried to install grub again using a tutorial, but it just didn't work

I know when you run update-grub from the OS it can find other bootable partitions but if you don't have access to it...not sure.

 

I wonder if you could update-grub from another drive or if that would only move the problem to another disk. (Not a solution)

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PROXMOX - Rebuilding ZFS RAID rpool After Disk Failure

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2 minutes ago, Windows7ge said:

I know when you run update-grub from the OS it can find other bootable partitions but if you don't have access to it...not sure.

 

I wonder if you could update-grub from another drive or if that would only move the problem to another disk. (Not a solution)

Oh thx for the reply anyway, ig I'll just reinstall linux then

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  • 3 weeks later...
Posted

To help get booted without a working grub, use ultimate boot CD.  Go to HDD > boot management, and, I've tested all the options, the only two thay work is

 

Super grub disk 1 and 2.

 

Using that, you will always be able to boot an otherwise working linux system.  I even use it on a vm that has a missing grub, I just don't want to deal with fixing it.  So whenever I reboot it (usually keep it in a saved state) I boot from the UBCD iso file, and boot the system.

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Windows 11 will just force business to "recycle" "obscolete" hardware.  Microsoft definitely isn't bothered by this at all, and seems to want hardware produced just a few years ago to be considered obsolete.  They have also not shown any interest nor has any other company in a similar financial position, to help increase tech recycling whatsoever.  Windows 12 might be cloud-based and be a monthly or yearly fee.

 

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I recommend firewall apps (blocks apps) and dns filters (redirect all dns requests on android, to your choice of dns, even if overridden).  RethinkDNS is my pick and I set it to use pi-hole, installed inside Ubuntu/Debian, which is inside Virtualbox, until I go to a website, nothing at all connects to any other server.  I also use NextDNS.io to do the same when away from home wi-fi or even cellular!  I can even tether from cellular to any device sharing via wi-fi, and block anything with dns set to NextDNS, regardless if the device allows changing dns.  This style of network filtration is being overridden by software updates on some devices, forcing a backup dns provuder, such as google dns, when built in dns requests are not connecting.  Without a complete firewall setup, dns redirection itself is no longer always effective.

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