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 Forum index » Taking the Puppy out for a walk » Misc
Other Distros
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Mike Walsh


Joined: 28 Jun 2014
Posts: 6397
Location: King's Lynn, UK.

PostPosted: Mon 30 Mar 2020, 08:12    Post subject:  

rcrsn51 wrote:
Mike Walsh wrote:
which ISObooter insists on

That requirement comes from Grub4Dos, not ISObooter.

ISObooter simply generates a menu.lst file that G4D will use to boot the device and the ISOs therein.


Clarification appreciated, Bill. I wasn't too sure about that, but I know I experimented with using ext2/3 instead, and of course, it didn't want to know.

It really is a very neat way of trying out 'Live' distros. Thank you..!


Mike. Smile

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Billtoo


Joined: 07 Apr 2009
Posts: 3721
Location: Ontario Canada

PostPosted: Mon 30 Mar 2020, 16:57    Post subject: Other Distros  

I installed Manjaro 19.2 xfce4 to my HP mini desktop pc:

Computer
Processor Intel(R) Celeron(R) 2957U @ 1.40GHz
Memory 1885MB (465MB used)
Machine Type Desktop
Operating System Manjaro Linux
Date/Time Mon 30 Mar 2020 04:30:10 PM

Display
Resolution 3843x1080 pixels
OpenGL Renderer Mesa DRI Intel(R) Haswell Mobile
Session Display Server The X.Org Foundation 1.20.7

Version
Kernel Linux 5.4.28-1-MANJARO (x86_64)
Version #1 SMP PREEMPT Wed Mar 25 12:45:29 UTC 2020
C Library GNU C Library / (GNU libc) 2.31
Distribution Manjaro Linux

Using 2 27" monitors (HP + ASUS) + a pair of entry level BOSE
external speakers plugged into the headphone jack.

It makes good use of the swap file but runs well on this fanless so
silent pc.

EDIT:

I updated this install last night,
Version
Kernel Linux 5.6.12-1-MANJARO (x86_64)
Version #1 SMP PREEMPT Sun May 10 14:36:43 UTC 2020
C Library GNU C Library / (GNU libc) 2.31
Distribution Manjaro Linux

Still works well.
Screenshot.jpg
 Description   
 Filesize   26.9 KB
 Viewed   395 Time(s)

Screenshot.jpg


Last edited by Billtoo on Sun 31 May 2020, 01:36; edited 1 time in total
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vtpup


Joined: 15 Oct 2008
Posts: 1422
Location: Republic of Vermont

PostPosted: Tue 31 Mar 2020, 12:35    Post subject: Need menu.lst entry to start Mint  

I've installed Linux Mint to a free ext4 partition just to temporarily test out a later version of Openshot (2.x).

I opted not to do the Mint auto-install re. grub, as I didn't want it installing Grub2 or (whatever else it does), having had past bad experiencesother distros messing up my frugal puppies on our usual legacy Grub.

But I need to add a menu.lst stanza manually to start Mint. Can anyone help with that?

Thanks

info:
Mint is on sda8 (hd0,7).

In its top level folder it has two applicable links:
initrd.img and vmlinuz. Both point to files in sda8/boot/ (screenshot of contents attached).
Mint-boot.png
 Description   Mint's boot folder contents
 Filesize   233.46 KB
 Viewed   329 Time(s)

Mint-boot.png


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mikeslr


Joined: 16 Jun 2008
Posts: 3913
Location: 500 seconds from Sol

PostPosted: Tue 31 Mar 2020, 14:22    Post subject:  

Hi vtpup,

I have Linux Mint 19.2 Tina on sda4, booting into it using grub4dos. I'm not familiar with Grub-legacy beyond that the arguments it uses are almost identical to those of grub4dos. The only difference, AFAIK, is that the 'kernel' line under grub4dos starts with the word 'kernel' while that under other versions of grub start with the word 'linux'. Actually, although you used the phrase 'usual legacy Grub', your later reference to menu.lst suggest that you are using grub4dos

My listing for tina under grub4dos reads:

title Linux Mint 19.2 Tina (sda4)
uuid cf92c7e0-2f62-4a22-9490-8d6e07cb0100
kernel /vmlinuz root=/dev/sda4 ro
initrd /initrd.img

Although there are other ways to specify which partition to boot from, you can open a terminal and type "blkid" --without the quotes-- to obtain a list of every partition's uuid.

I would think the stanza you would need would be something like this:

title Linux Mint (sda8)
uuid sda8's UUID # from blkid's printout
kernel /vmlinuz root=/dev/sda8 ro
initrd /initrd.img

NOTE HOWEVER, THE FOLLOWING:

At the top level of my sda4 are two symbolic links. One has the name vmlinuz and links to the specified vmlinuz in /boot. In your case, it would be vmlinuz-4.19.0-8-etc.. The other has the name initrd.img and links to the specified initrd.img in /boot. In your case that would be initrd.img-4.19.0-8-etc. So, what I think grub4dos is doing is reading menu.lst to look for vmlinuz and initrd.img files at the top level and as those files are symbolic links follows them to the actual files in /boot. Ask if you need assistance creating symbolic links. I'm not sure if grub4dos is 'smart-enough' to use the actual files directly and without having removed their version designations.
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vtpup


Joined: 15 Oct 2008
Posts: 1422
Location: Republic of Vermont

PostPosted: Wed 01 Apr 2020, 15:22    Post subject:  

Thanks so much Mikeslr!

Here's what I had already tried in menu.lst, including the good working entries for Tahrpup and Bionicpup, and the non-working stanza for Mint (looks very much like your suggestion except for the disks UUID line vs. the (hdo,7) older style. Note that the tahr and bionic work well:



Code:
title Tahrpup
  kernel (hd0,4)/Tahrpup/vmlinuz PDEV1=sda5 psubdir=Tahrpup acpi_backlight=vendor acpi_osi=Linux ro
  initrd (hd0,4)/Tahrpup/initrd.gz
  boot

title Linux Mint
  kernel (hd0,7)/vmlinuz root=/dev/sda8
  initrd (hd0,7)/initrd.img
  boot

title BionicPup64
  kernel (hd0,4)/Bionicpup64/vmlinuz PDEV1=sda5 psubdir=Bionicpup64 acpi_backlight=vendor acpi_osi=Linux ro
  initrd (hd0,4)/Bionicpup64/initrd.gz
  boot


I do know how to make links and the Mint standard ones are already present as you mentioned.

I get a Grub "Error15 File Not Found" error when I try to boot Mint. Maybe my grub doesn't like those links?

ps I was able to boot the HD install as a test by first booting a live install on thumb drive, and choosing to boot in the opening menu from HD. So I know the install is good. The only issue is just getting my present Grub to work with it.

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vtpup


Joined: 15 Oct 2008
Posts: 1422
Location: Republic of Vermont

PostPosted: Wed 01 Apr 2020, 15:59    Post subject:  

Tried (found uuid from blkid):

Code:
title Linux Mint
  uuid 2ddb8fb2-7e71-4833-91a8-9f8c21edcc7c
  kernel /vmlinuz root=/dev/sda8 ro
  initrd /initrd.img
  boot


It did put up a message that it had found the uuid and aliased it as dev/sda8 (all correctly) but then said Error 15 File Not Found.

So...... I think it doesn't like (follow) those links in Mint.

I can see why they are there.,.. it's a convenient way of changing kernels to just point the link at whatever kernelx.xxxx is to be used. But this grub doesn't like either the link, OR the fact that the real kernel is one directory deeper. Might be the latter. Will have to test.....

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mikeslr


Joined: 16 Jun 2008
Posts: 3913
Location: 500 seconds from Sol

PostPosted: Wed 01 Apr 2020, 16:11    Post subject:  

When in doubt, cheat. Laughing

Rather than trying to figure out how to manually edit menu.lst, as you already have Bionicpup64 on the hard-drive --assuming you can boot into it-- do so, then run menu>setup>grub4dos and re-install grub4dos to the hard-drive. Let grub4dos figure out how to write its menu.lst. That's how I originally got the listing for Linux Mint.

If that doesn't work, then we'll have to figure out what not playing well.
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Keef


Joined: 20 Dec 2007
Posts: 1001
Location: Staffordshire

PostPosted: Wed 01 Apr 2020, 16:18    Post subject:  

Couple of thoughts...
Either alter the path in menu.lst eg:
Code:
title Linux Mint
 uuid 2ddb8fb2-7e71-4833-91a8-9f8c21edcc7c
  kernel /boot/vmlinuz root=/dev/sda8 ro
  initrd /boot/initrd.img


(using symlinks in the same directory should work)

Or:
Just run grub4dosconfig, and it will generate a menu entry for you. Backup your menu.lst first of course.
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vtpup


Joined: 15 Oct 2008
Posts: 1422
Location: Republic of Vermont

PostPosted: Wed 01 Apr 2020, 16:20    Post subject:  

Thanks Mike. Before I saw your latest message I tried a few things.....same result. I'm wondering now whether the fact that it is an ext4 partition is the problem. Maybe my (old?) Grub can't handle ext4.

in /boot/grub there look to be drivers with the suffix ....stage1_5 I bet I don't have a driver for ext4.

I guess I'll try you grub4dos in Bionicpup idea. First I'll make a backup of my boot folder, just in case -- prior bad experiences!

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vtpup


Joined: 15 Oct 2008
Posts: 1422
Location: Republic of Vermont

PostPosted: Wed 01 Apr 2020, 16:22    Post subject:  

Thanks Keef, just saw your note -- same idea.... had tried the links in same (boot directory) no joy..........well here we go.....new grub4dos
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vtpup


Joined: 15 Oct 2008
Posts: 1422
Location: Republic of Vermont

PostPosted: Wed 01 Apr 2020, 17:16    Post subject:  

Yipes!

Base Win7 did not like Grub4Dos at all -- went into something called "Acer RecoveryConsole" with three choices: 1.) restore machine to factory defaults (and lose user data), 2.)restore with user data moved to C:\Backup, or 3.) Exit.

I chose 3 because who knows what "user data" means to Acer, or Winn7: docs, programs, settings, or what? Also, who knows if it will try to re-format the rest of the drive.....uh no thanks. Been there done that. Not a fan of automatic "fixers" like that.

So, luckily I had done a screenshot of the last screen of Grub4Dos, giving the command for restoring the old MBR. Went back into Bionicpup64 and ran that command in terminal, and we're back to normal start-up and Windows again. Phew!

I did sneak a peek at the Mint stanza before I restored the system. Grub4Dos had it as:

Code:
root (hd0,7)
kernel \vmlinuz root=\devsda8 ro
initrd \initrd.img


I think it was backslashes, like that instead of forward slashes, but not sure. But the stanza itself looked similar to what I've already tried.

Other than the slash issue, I'm really thinking the problem is just a lack of a driver in grub for ext4 filesystems. I either need the missing driver, or could possibly move the Mint files to an ext3 or ext2 partition.

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vtpup


Joined: 15 Oct 2008
Posts: 1422
Location: Republic of Vermont

PostPosted: Wed 01 Apr 2020, 18:21    Post subject:  

Yup, it was the ext4 partition that was the issue.

I copied the Mint files on that partition to a new ext2 partition, adjusted the menu.lst entry to point there and the Mint system went on to boot. Or try to boot -- got about a minute into it when it hung up. Obviously just copying files isn't an ideal way to install an OS like this (permissions and ownerships might change), etc.

But it was a quick and dirty test, and it did prove that my legacy grub system is missing the driver for ext4 filesystems.

Here is the content of my boot/grub/ folder......notice the entries with "stage1_5" pretty certain guess that they are file-system drivers and I need an updated one or one explicitly for ext4.

Now where would I find something like that?
Grub.png
 Description   
 Filesize   234.68 KB
 Viewed   199 Time(s)

Grub.png


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vtpup


Joined: 15 Oct 2008
Posts: 1422
Location: Republic of Vermont

PostPosted: Wed 01 Apr 2020, 18:31    Post subject:  

Sorry about the monologue here, but maybe someone else sometime will find this useful.

Found this on a CentOS website:

Quote:
Grub from CentOS 5 doesn't work with ext4fs. More precisely, it can't read the 256-byte inodes that ext4fs uses by default.

There are two possible solutions:

Use Grub from CentOS 6, which works properly with ext4fs.

Create an ext4 file system with 128-byte inodes, by using the command mkfs.ext4 -I 128. This will mean that some capabilities of ext4fs won't be available.

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ras

Joined: 30 Oct 2019
Posts: 100

PostPosted: Wed 01 Apr 2020, 21:43    Post subject:  

Quote:
Base Win7 did not like Grub4Dos at all

Quote:
Now where would I find something like that?


wouldn't it be easier to troubleshoot why grub4dos will not boot W7?

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vtpup


Joined: 15 Oct 2008
Posts: 1422
Location: Republic of Vermont

PostPosted: Wed 01 Apr 2020, 22:52    Post subject:  

Uh messing with Windows at that level is not a real fun idea for me. I'd rather let sleeping hogs lie. I use Win7 for very few things, maybe a few times a year.

Incidentally Grub4Dos uses legacy Grub, not Grub2, gleaned from my recent readings, and it's no longer maintained. Which explains why menu.lst is in both, and not in Grub2. Not sure why Grub4Dos can access ext4 file system (if it can) while my legacy Grub can't. But at this point I'm giving up.

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