RedHat 4.0 - Lingering Doubts

RedHat 4.0 - Lingering Doubts

Post by James Bye » Sun, 20 Oct 1996 04:00:00



        I would like to share my RedHat 4.0 installation nighmare(s) in hopes
that someone else has fixed what I can not.

        First, my setup.  I am running an AMD 486-133, 40 MB RAM, 2x545 MB
Seagates, 210 MB Maxtor (all swap), ATI Xpression 64, onboard EIDE, 2 NE2000
ethernet cards, and Future Domain 1600 SCSI.  The system used to run Slackware
3.0 without a hitch.

        I attempted to setup RedHat 4.0 by FTP installation.  The images I
used (from ftp.redhat.com, the fixed disk images) worked fine and I was able
to grab all the packages in about 30 mins.  There were no errors until I
attempted to install lilo through the RedHat installer.  It would return an
error message and hop back to the lilo installation menu.

        This was a (somewhat) EZ fix when I realized that lilo.conf points to
/boot/vmlinuz not /boot/vmlinuz-2.18.0.  With that corrected, I rebooted to a
series of missing library errors.  I am unable to login (without a boot disk)
as one of the shared libraries (lib.so.1) is reported missing (even though it
is where is is supposed to be).

        This is not an isolated error: I reinstalled RH4 from scratch with the
same result.  My question: is the RedHat 4.0 FTP installation flawed and
missing more links than just the vmlinuz glitch?  

        Thanks in advance.
        James Byers

 
 
 

RedHat 4.0 - Lingering Doubts

Post by Arijit Sengup » Sun, 20 Oct 1996 04:00:00


]         I would like to share my RedHat 4.0 installation nighmare(s) in hopes
] that someone else has fixed what I can not.
]

Hi!

I recently set up an old battered 386 with RedHat 4.0 just to use it
as a print server and a single PPP server. The installation worked
fine (of course it took over 1.5 hours to install only about 80MB of
stuff) - I installed via ftp.

I have upgraded the machine so far to 2.0.23 and it works really well,
but there just a couple of glitches which I haven't figured out yet.
First of all, the .rhosts files do not work. For any of the users, the
.shellrc files do not work. I have tried tcsh, bash, and when I log
in, the rc files or the .login file is never executed. However, for
bash, if I run bash from the command prompt, it reads the .bashrc
file, but when the shell starts the files are never read.

Can anyone guess why this is happening? I don't have any problems
otherwise with the system. It works great as a print server (using
regular unix lpd as well as using the Samba protocol), and it works
great as a ppp server too.

Thanks a lot!

Jit.

 
 
 

RedHat 4.0 - Lingering Doubts

Post by Donnie Barn » Tue, 22 Oct 1996 04:00:00




>]         I would like to share my RedHat 4.0 installation nighmare(s) in hopes
>] that someone else has fixed what I can not.

For the first guy, are you sure you used the updated supp.img from
our FTP site?

Quote:>I recently set up an old battered 386 with RedHat 4.0 just to use it
>as a print server and a single PPP server. The installation worked
>fine (of course it took over 1.5 hours to install only about 80MB of
>stuff) - I installed via ftp.

>I have upgraded the machine so far to 2.0.23 and it works really well,
>but there just a couple of glitches which I haven't figured out yet.
>First of all, the .rhosts files do not work. For any of the users, the

.rhosts files must be mode 600.  Also, you *still* can't rsh as root
unless you modify the pam.conf or remove /etc/securetty.  You probably
just need to tell your users to do 'chmod 600 .rhosts' and they will
work.

Quote:>.shellrc files do not work. I have tried tcsh, bash, and when I log
>in, the rc files or the .login file is never executed. However, for
>bash, if I run bash from the command prompt, it reads the .bashrc
>file, but when the shell starts the files are never read.

>Can anyone guess why this is happening? I don't have any problems
>otherwise with the system. It works great as a print server (using
>regular unix lpd as well as using the Samba protocol), and it works
>great as a ppp server too.

Get the updates from ftp.redhat.com for 4.0.  The dot file problems
should clear up.

--Donnie

--
  Donnie Barnes      http://www.redhat.com/~djb        "Bah."

- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
_Things You'd NEVER Expect A Southerner To Say_ by Vic Henley:    
**  I hate the long version of ``Free Bird''.

 
 
 

RedHat 4.0 - Lingering Doubts

Post by Marc MERL » Tue, 22 Oct 1996 04:00:00




>I have upgraded the machine so far to 2.0.23 and it works really well,
>but there just a couple of glitches which I haven't figured out yet.
>First of all, the .rhosts files do not work. For any of the users, the

Never worked for me since libc-5.3.12. But I don't care so much anymore
since I use ssh and it's much more secure.

Quote:>.shellrc files do not work. I have tried tcsh, bash, and when I log
>in, the rc files or the .login file is never executed. However, for

Each user needs:

# .bash_profile

# Get the aliases and functions
if [ -f ~/.bashrc ]; then
        . ~/.bashrc
fi

Best,
Marc
--
Home page: http://www.efrei.fr/~merlin/ (browser friendly)

 
 
 

1. GFP_KERNEL doubt!! <was Tasklet doubt!>

  Hello,

The problem of allocating more than 2.5 MB was actually more or less
related to the physical memory left in the kernel.
But I moved the task which allocated the memory from the tasklet to the
keventd and used kmalloc (GFP_KERNEL).

The first time I ran my module, it failed at the same 2.5 MB limit.
I restarted the system and tried it again, and I was able to allocate 5
MB successfully.
I restarted the system and ran "free".
The report is as follows:
             total       used       free     shared    buffers     cached
Mem:         62264      30624      31640          0       8072      16096
-/+ buffers/cache:       6456      55808
Swap:       192772          0     192772

Then I ran gcc and compiled my code and then for the "free" report again.
The report is as follows:
             total       used       free     shared    buffers     cached
Mem:         62264      45320      16944          0       9256      28384
-/+ buffers/cache:       7680      54584
Swap:       192772          0     192772

I was able to notice that the physical memory had gone down though "gcc"
had completed.
The time I ran my application, I had about 2.5M physical memory left, so
I was able to allocate 2.5M.

What is happening ? What is the buffers/cache column and is there any
way I could force the kernel to release the cached memory back to free
physical ?
Is there any way I can allocate more than what is left free from the
physical memory ?

Any pointers or suggestions would be very helpful.

Thank you.
Regards,
Sriram

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