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Posted on 1998-06-28
Medium Priority
Last Modified: 2013-12-05
1.why is redhat have just one boot image and root image  while slackware have so many ??dont they have also separate stuff like bare.i, bare.s, sbpcd.i  etc.. ??
if they do have how can i make out from their cd..

Question by:rajkin
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Author Comment

ID: 1637454
please help , i badly need to try out redhat ..

1,. my present problem is : i wanna try out redhat although i have already slackware installed.. : my question is can i use the boot image of slackware and the root img of redhat and still install redhat from their distribution ..
can i use the redhat installation manager (RPM??) from slackware

Accepted Solution

Resonance earned 210 total points
ID: 1637455
Boot/root disks are independent versions of the Linux kernel with enough supporting files on them to get you booted up and started doing simple things.  Different boot images have different versions of the kernel; different root images have different base software and loadable modules.  You would use different boot/root pairs depending on what hardware you had in your system and what particular configuration you wanted.  Redhat is expecting you to boot for the sole purpose of installing the system onto a fresh hard drive.  Slackware provides boot/root pairs for many purposes.

In theory, you can use a boot disk from Slackware and a root disk from Redhat, assuming that the kernel image on the Slackware disk has the features required by the Redhat installation program.  You can in any case use the RPM package manager from Slackware, or any other OS, as long as you have a version installed that matches your libc version (libc5 or libc6/glibc).  I don't recommend it, though, since Redhat is notorious for trashing your system during an upgrade (especially Redhat 5.0 -- don't use this unless you're really desperate; go find a 5.1 CD instead).

While it's usually possible to upgrade from one distribution type to another, it can be somewhat messy, and can mess up your system if you don't know what you're doing.  Usually it's a better idea to backup all your personal files, repartition, reformat and have the new distribution install itself fresh.

What I personally recommend:  that you wait another month or two and get a Debian 2.0 ("Hamm") CD when it comes out.  It's now in final beta testing before release, and is much more stable than Redhat.  If you don't have patience for that, or for some reason really want Redhat, I suggest that you backup your personal files to floppy and let the Redhat 5.1 installer repartition and reformat your drive for you before actually installing.


Author Comment

ID: 1637456
resonance :before giving you your  due share .
your answer is quite satisfactory  what exacly do you mean by trashing your system. ihave another small doubt .. in the kernel archives i find in the distribution directory different images for redhat , debian etc ( i mean vmlinuz , boot.img etc ) and they also maintain another directory for kernel where source code of all versions and patchs are maintained ..right??
i am unable to download vmlinuz with my netscape nav: , is the only way out is to download the source code of the latest version from kernels directory the only solution...?
will it corrupt the image ( vmlinux) if i save it to the flop as such , my point is can you copy the images across net with some rawrite equivalent?
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Expert Comment

ID: 1637457
By trashing the system, I mean that it can corrupt the filesystem in such a way as to make the entire thing unbootable and unusable.  I had to reformat my hard drive partitions and start fresh to recover from a bad Redhat 5.0 upgrade.  

Several people maintain boot/root pairs designed as either "rescue disks" for recovering from a minor error or as startup/install sets for installing a particular flavor of Linux. The latter get customized for each particular distribution.  You can also find "generic" sets for permanent floppy booting with a specific set of features.  Some of them will allow you to boot from floppy and then use the hard drive as root (i.e. only a boot floppy, not a root floppy is provided).

Don't download a vmlinuz directly unless you like pain.  That's not the only component involved in booting a system.  A decent install process will install a vmlinuz and a System.map and all the other things you need.  Debian Linux provides a drop-in solution to just plug in the latest kernel, or create your own drop-in packages from kernel source, but otherwise, yes, if you want a custom kernel (vmlinuz/vmlinux), you need to download the sources and recompile yourself.  Read the docs if you do this by hand, and backup your vmlinuz and System map if you do.

Expert Comment

ID: 1637458
thank you , how do i give the credit marks

Expert Comment

ID: 1637459
You already did.  When you accept the answer and give it a grade, the credit is given.

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