custom boot.iso (was: CD burning software)
by David Jansen
On Tue, Dec 02, 2003 at 09:58:33AM -0600, stephan schutter wrote:
> OOOO! we are just touching on a topic I am interested in... I would like
> to take the boot.iso cd and put a ks.cfg on it so I can build off the
> network. but I can not figure out how to make a RedHat bootable CD.
I learned that out of one of the RH9 documents. Basically, you need the
directory isolinux from the 1st cd, and some additional options to
mkisofs and you can make your own boot.iso
And if you include a ks.cfg, you can boot your kickstart install using
'linux ks=cdrom'
(or better yet, modify the files in your isolinux copy to set that as
the default, you can do that in isolinux.cfg)
David Jansen
20 years, 4 months
RE: IDE write ordering ?
by David Balazic
So to have a j-fs to really be fsck safe, I have to turn off write caching ?
> ----------
> From: Alan Cox[SMTP:alan@redhat.com]
> Reply To: fedora-test-list(a)redhat.com
> Sent: 2. december 2003 13:34
> To: fedora-test-list(a)redhat.com
> Subject: Re: IDE write ordering ?
>
> > Is write caching turned of in case of journalled filesystems ?
> > Or is that left as an exercise to the reader ?
>
> It is left in the state it was before.
>
>
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>
20 years, 4 months
RE: IDE write ordering ?
by David Balazic
But isn't the default on the majority of ATA drives to have write cache
enabled ?
Also the LKML thread at
http://www.ussg.iu.edu/hypermail/linux/kernel/0304.1/0450.html
is very informative.
So my question is , how can one test if the journalled FS on his disk is
actually working
as it should or is it just waste of time and giving a false sense of safety
?
Regards,
David
> ----------
> From: Alan Cox[SMTP:alan@redhat.com]
> Reply To: fedora-test-list(a)redhat.com
> Sent: 29. november 2003 1:46
> To: fedora-test-list(a)redhat.com
> Subject: Re: IDE write ordering ?
>
> > The problem is , that is is hard to insure the wanted order of writes on
> ATA
> > disks.
> > This is needed for journalled/logged filesystems for example.
>
> IDE drives don't provide write order controls. End of story. Ext3 doesn't
> care about this providing the drive isn't caching writes, it just wants to
> be sure that an I/O completed before it is told it has. You control that
> with hdparm to alter write caching if you are really paranoid.
>
> Alan
>
>
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20 years, 4 months
RE: IDE write ordering ?
by David Balazic
Would fsck ( or maybe some other tool? ) detect if this problem had happened
?
( that is , consistency problems due to re-ordered writes around the moment
of failure, like
power-outage )
Regards,
David
> ----------
> From: Alan Cox[SMTP:alan@redhat.com]
> Reply To: fedora-test-list(a)redhat.com
> Sent: 2. december 2003 13:44
> To: fedora-test-list(a)redhat.com
> Subject: Re: IDE write ordering ?
>
> On Tue, Dec 02, 2003 at 01:38:03PM +0100, David Balazic wrote:
> > So to have a j-fs to really be fsck safe, I have to turn off write
> caching ?
>
> If you want to be really paranoid then yes for current ATA. The next
> generation
> specification allows certain I/O to bypass the caches so at that point it
> can become nicer
>
> The same applies for some databases if you are paranoid too
>
>
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>
20 years, 4 months
RE: CD burning software
by Vanco, Don
fedora-test-list-admin(a)redhat.com wrote:
> OOOO! we are just touching on a topic I am interested in... I
> would like
> to take the boot.iso cd and put a ks.cfg on it so I can build off the
> network. but I can not figure out how to make a RedHat bootable CD.
man mkisofs
Don
20 years, 4 months
Re: exim
by Neal D. Becker
I have a source RPM here. I have not looked at the other one, don't know how
they compare:
http://www.xecu.net/nbecker/exim-4.22-2_10.fed1.src.rpm
On Tuesday 02 December 2003 09:02, Sebastien JUST wrote:
> Thomas Woerner a écrit :
> > Hello,
> >
> >
> > who wants to have exim in Fedora 2?
> >
> > I have built a source RPM:
> > http://people.redhat.com/twoerner/SRPMS/fc2/exim-4.24-1.src.rpm
> >
> > This is exim version 4.24 with support for
> > - LDAP, NIS, TLS, perl
> > - content scanning (http://duncanthrax.net/exiscan-acl/)
> > - sa-exim (http://marc.merlins.org/linux/exim/sa.html).
> >
> >
> > Thanks,
> > Thomas
>
> I think it would be great to have exim included as an alternative mail
> server. I personnaly have installed Exim on RedHat 7.3 and this works
> perfectly (with LDAP / maildir support) even if it required a fair
> amount of work for compiling, configuring etc ...
> As a simple user, I would be glad to have this alternative well-packaged
> in further versions of Fedora (Fedora 2) and as a new package in up2date
> for Fedora1.
>
> Thanks,
> Sébastien
>
>
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20 years, 4 months
RFE: e3 micro text editor
by Paul Morgan
I have filed a request for enhancement:
https://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=111288
Please add your comments to the bugzilla entry to express your strong
opinions either way.
The RFE asks to include e3---which is GPL'd---as an [optional] component
to FC. e3 can use EMACS-, Pico, Nedit, or vi-like key bindings,
whichever the user chooses. The executable code size is between 3.8K and
34K, depending on assembler options, platform, etc. This makes it a good
choice for a rescue environment or minimal installation.
If e3 were part of the "pure" FC distribution, people would feel more
comfortable using e3 as part of a vanilla FC rescue or minimal
environment.
I came across this editor while working with the LEAF (linux embedded
appliance firewall) distro.
TIA,
Paul
20 years, 4 months
RE: IDE write ordering ?
by David Balazic
> On Mon, Dec 01, 2003 at 09:33:17AM +0100, David Balazic wrote:
> > But isn't the default on the majority of ATA drives to have write cache
> > enabled ?
>
> Yes.
>
> > is very informative.
> > So my question is , how can one test if the journalled FS on his disk is
> > actually working
> > as it should or is it just waste of time and giving a false sense of
> safety
>
> Its extremely hard to do because you need fairly complex tools to ensure
> outstanding I/O during a sudden power off and out of order drive writeback
> etc
>
Is write caching turned of in case of journalled filesystems ?
Or is that left as an exercise to the reader ?
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>
20 years, 4 months