> i am just trying to use rsync for backup , can anybody tell me how i can
> do incremental backup ie only the new or modified files should go for backup
rsync does that by default. If you want to save a backup history
using rsync see: http://www.mikerubel.org/computers/rsync_snapshots/
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Ia
> I thought that DNS was getting "internationalized" and migrating towards
> unicode
Yes. DNS is a general purpose distributed database.
There are restrictions on which characters are legal in hostnames but those
restrictions don't apply to other DNS record types.
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> I am testing for my RHCT in 3 weeks..with all of the latest developments,
> should I even bother to do this?
I would say yes because:
RedHat certification is now based on RHEL
The certification is useful in itself. Most of the RHCE course is not
RedHat specific and much of not even
> Some questions: Why would Redhat choose an encoding for rh9 that breaks
> all manner of things?
Because unicode is the future. For English language speakers it might
seem unnecessary but for those of us who have to provide support for
other languages it's a benefit.
The main problem at the m
> Is an underscore ' _ ' a legal character in a DNS name? Is there an
> document that someone can point me to with a definitive answer as to which
> characters are legal and not?
Being strictly pedantic: underscores are allowed in DNS entries
but not in hostnames. The relevant document is RFC 95
> I'm running RH9 with all the latest updates. I have been noticeing in
> mail to root about Tripwire. Is Tripwire automaticly setup when
> installing RH or do you have to set it up after installing?
You have to set it up:
cd /etc/tripwire
vi twpol.txt # customize for your system
>
> does anybody know if onstream is out of business? their website has not
> answered for the past month.
Sadly yes. They went bankrupt early in the year. There was some talk
of a revival (it's not the first time they've gone bankrupt apparently)
but no sign of that yet.
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Ian (searching
> I am curious to know Is there a way I can run the GUI on my local
> machine pointed to the remote machine?
For individual GUI applications just turn on X11 forwarding and
X11 traffic will be tunneled through the ssh pipe.
If you want the full desktop you could use vnc tunneled through ssh
> It is in fact a very popular server OS, home users, small corporations
> and large intranets alike. If you've ever installed a Mandrake OS you
> would know why.
I didn't want to start a linux distro war, it's just that I've never
come across it on a server. I know it's popular on desktops.
>
> Why not Mandrake on a server? I haven't used it for that (my only
> server runs OpenBSD), but are there any objective reasons not to?
I have to admit that my only experience with Mandrake is cleaning
up the mess after staff or students attempt to install it themselves.
My impression is that Ma
> > What options are left to the SOHO server user if not Fedora or SUSE?
> How about Mandrake?
On a server? Debian or FreeBSD are likely to be more stable.
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A large and potentially larger part of the Linux market is in the education
sector. Many schools/colleges/universities don't have budgets to pay for
expensive software licenses (one reason many are moving from Windows).
Some software vendors offer unsupported non-commercial licenses at discount
> >Could mean a move to debian or freebsd for servers.
>
> Why? Personally, I see Fedora as being functionally equivalent to RHL 10,
> and for small servers I would have run 10 without question. No reason on
> Earth for me not to use Fedora for those, since I expect to see RH put as
> much int
> However, many of us work and exist in environments where
> carrying around a CD doesn't scale.
Not to mention the need to reboot every box to run off the CD and
then reboot again when done. Several days work there.
> My suggestion can be quickly and
> easily performed on remote systems.
Th
> Thanks for digging that up. I'm not sure whether to consider it good
> news or bad- with all their changes, I've lost track. :-P
I consider it both good and bad.
Currently it's a lot of work building rpms for all the stuff we need that's
not bundled with RedHat (or is out of date). Fedo
> I wish I knew. RH was very prompt about explaining to current RHCE's
> how the original numbering changes would affect our certification
> period. I haven't heard anything from RH since they've issued the press
> release that signalled the end of the "retail" version.
>
> Previously, my certi
> Let's see: I see a report on slashdot that abiword 2.0 was released. I went
> where that pointed, and it had the SuSE, the gnome, and the gtk versions of
> the release. I *presume* that they all use and need the same libraries, yet
> each one finds *different* libraries missing, and most of t
> Problem#1: Apache2 that you distribute doesn't seem to have apxs support
> enabled. For this reason I needed to get apache src and rebuild. Not a
> problem doing this, but for others it might be. Plus, given that production
> sites will probably build from source anyways...why wasn't this includ
> Be very surprised if this was always a problem with RH8 given its
> maturity.
I first started seeing it after the last errata update to iptables
for RH 8.0 (a few weeks ago).
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> > If it weren't for the fact that the output told me that it was trying to
> > "rmmod", I'd have nto known what to comment out of the init script.
This is RedHat 8.0 right? The RedHat 9 init script doesn't do it.
> So far, it's caused one of my systems to crash and reboot, and another to
>
> >tar -cvlO /disk /disk2 | split -b 50 - file.tar.
The downside to doing this is that recovery becomes difficult if any of the
split files is lost or becomes corrupted. If you want to stay below a
certain size you could (if possible) tar up individual subdirectories.
If you've got directo
> this is in my grub.conf file:
> if i change default=0 that should boot with the 2.4.20-20.8 kernel yes?
Yes but that's not the approved way to do it. It's safer to do:
grubby --set-default=/boot/vmlinuz-$version
(replace $version but the version number 2.4.20-20.8 in your case).
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I
> Hello again. I added the entry to /etc/fstab,
> rebooted,
No need to reboot.
> inserted the key drive, then tried mounting
> /mnt/jumpdrive, but got the following:
>
> mount: you must specify the filesystem type
>
> I looked on the man page for mount, at the filesystem
> types, but didn't se
> This is one of
> those rare cases that I choose to use the RPM, rather than compile Perl
> modules from source, just for ease of use. That's not to say that it's
> better than compiling from source, I was probably just being lazy. ;-)
I always install an rpm even if I have to build it myself
>
> I'm looking to implement IMAP/POP3 server on Redhat. I did a search on
> google but I could not get a correct answer.
> I'd appreciate if you gurus can let me know the software required for
> implementations on implementation of an IMAP/POP server for Redhat Linux
> 9.
# rpm -Uvh /mnt/cdrom/Re
> > Hm... The HOWTO isn't clear on whether those partitions can reside on
> > one single disk (which is what I'm after) - does anyone know more
> > about this?
They can be on the same disk. Likewise for LVM volumes. It's less efficient
than a single large partition but it can save you the cost
> Does anyone has recommendation for KVM switch? I plan to use it to run Linux
> (Redhat 7.3) and Win2K with PS2 keyboard & mouse. The cheaper the better, but
> trying to find the one with very minimal / no video degradation at 1400x1050,
> as my linux runs on that resolution on 19 inc monitor.
> Oh. That's where my problem was. The manpage didn't say I needed to put quotes
> around the text. The above command
> does work on my system.
You don't need to put quotes around the text but you do need to escape
the \ to stop the shell removing it before echo sees it. This also works:
> What I really want to do is the following:
>
> msg=$(msg)\n"new message"
> msg=$(msg)\n"new message"
> msg=$(msg)\n"new message"
> msg=$(msg)\n"new message"
Put it all in quotes:
msg="$(msg)\nnew message"
> cat msg |mail -s REPORT [EMAIL PROTECTED]
cat is for files not variables and
> I'm running RH7.1 and now need to get DHCP running over the 2nd NIC (internal
> network). I tried installing the dhcpd RPM, but was told it was already
> installed, yet there are no man pages, no way to start dhcp in init.d and
> chkconfig doesn't list it either.
>
> Anyone know what gives?
Th
> Doh! after like 3 mins I get this error message:
>
> error: db4 error(16) from dbenv->remove: Device or
> resource busy
It would be worth checking for any running rpm processes:
ps -ef | grep rpm
You need to kill them (probably with -KILL if they're hung).
When there are no running rpm pr
> I think / you can not export and can not mount..
You can (at your own risk - especially rw).
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> I have updated all our servers to redhat 9 and now I get several strange
> errors in my /var/log/messages file.
> first every 30 seconds or so I see :
> ServerA ypserv[1718]: refused connect from server.a.ip.here:967 to
> procedure ypproc_match (our.domain.com,netgroup;-4)
Probably means yo
> reboots. i used "chkconfig --add xd" and it still
chkconfig xd on
To check the run levels it will run in:
chkconfig --list xd
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> things i did
> 1) on serverA, enabled nfs and in exports file put in / serverA.domain.com
> 2)on serverB, enabled nfs too(not sure right way or not), tried mount -t nfs
> serverA:/ /mnt/local (there is a local dir in there)
>
> i got mount: serverA.domain.com:/ failed reason given by server: Pe
> I am running a RedHat 8 with lvm package 1.0.3-9 Anyway I have run out of
> space in one of my filesystems. I attempted to extend it using the command:
>
> /sbin/lvextend -L +100 /dev/Volume00/LogVol01
>
> The lvextend command does not report an error, in fact it reports that it
> has extended
> I found on post that mentioned that metamail has been dropped from
> Red Hat 9 (possibly earlier?)
It was dropped from 8.0 but no reason is given in the release-notes.
> but the poster could not recall what
> the replacement package was called.
>
> Is there a package in RH 9 that does a simil
> coulld linux boot up without keyboard?
Sure. We've got dozens of headless, mouseless, keyboardless boxes
here that boot without problems.
(One old box with a dead cmos battery needs a keyboard so I can
press F1 to get it to boot).
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> I just installed vsftpd and it seems to be working ok except that I'm
> seeing these warning messages in the syslog. Any idea what's causing
> these? I'm just logging on from the same host as the ftp server.
>
> Aug 1 19:31:51 tiger vsftpd: warning: can't get client address:
> Bad file des
> How can I remove the -i file?
rm -- -i
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> I've created .rpmmacros in my "/home/" containing "%_topdir
> %HOME/rpm" as instructed. Is it something to do with the build root, or
> file/dir permissions, maybe?
Replace %HOME with the actual directory path /home/ and it
should work.
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> We have experienced this behavior on rh 9.0, rh 8.0, and AS 2.1
>
> We can use nslookup to resolve internal addresses by the shortnames and by
> the fully qualified names.
> However, we get a connection timeout; unable to connect to server when
> "digging" on the shortname.
> The fqn works fine.
> You're missing something crucial, the _user_ to run
> the cron command as. Should be something like:
>
> * * * * * root /home/alumil/alumil_daily.sh
Not in a crontab. Possibly you're thinking of an entry in /etc/cron.d
In a crontab the user who owns the crontab determines who the cron
job run
> * * * * * /home/alumil/alumil_daily.sh
Do you really want this to run every minute?
> When I run alumil_daily.sh from command line it creates the output file
> properly.
> Running it from crontab the generated output file is empty, as if the
> database dump program
> would not provide any outp
> What's a good method to do automated backups between two Redhat8.0 boxes
> located remotely from each other?
rsync over ssh.
For a neat way to maintain multiple backups:
http://www.mikerubel.org/computers/rsync_snapshots/
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> > OS: Redhat 7.3
>
> These are actually threads of named rather than seperate copies of the
> binary. Only one copy is actuallt taking up memory
Is named threaded in RH 7.3?
RH 7.3:
# ps -ef | grep named | grep -v grep
named23131 1 0 Jun20 ?00:00:00 named -u named
n
> I'll take 10 floggings for not knowing this... but...
>
> Where do I define that?
posix shell and ksh have a nice feature called autoloading functions.
You define an FPATH variable pointing to a directory and any files
in that directory will be loaded as functions on demand.
bash doesn't seem
> The alias would look something like this (as I imagine it in my head):
>
> $ alias ald='ls -la $1|egrep ^d'
You'll have to define it as a function:
function ald { ls -la $1 | grep -E ^d; }
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> [EMAIL PROTECTED] upload]# rpm -Uvh gd-2.0.12-2.i386.rpm
> warning: gd-2.0.12-2.i386.rpm: V3 DSA signature: NOKEY, key ID 897da07a
> error: Failed dependencies:
> libgd.so.1.8 is needed by (installed) php-4.2.2-17.2
> libgd.so.1.8 is needed by (installed) webalizer-2.01_10-11
>
> #!/bin/bash
> #Attention: this didn't work for me!!
> dd if=/dev/hda bs=1024 count=1 | grep GRUB
> if [ $? = 0 ]; then
> echo "GRUB"
> else
> echo "not GRUB"
> fi
>
> I noticed it doesn't work since i ran it in a system wich I'm shure is
> installed with grub and I ran it on the correct boo
> You make it sound simple. Have you even tried it from the installed
> system. If so please tell us how it can be done?
> > install grub in the MBR of each disk (before)
# grub
root (hd0,0)
setup (hd0)
and repeat for hd1, hd2 and so on.
> > make a boot floppy (or two) (before)
> I installed Squirrelmail through the standard Redhat package manager in
> KDE.
>
> So it should be installed with all the standard RPM defaults. How do I
> access the web interface to check mail? I have searched Redhat's site
> and they have nothing. Redhat linux Bible has nothing.
> www.squi
> RH 8
rpm -Uvh /mnt/cdrom/RedHat/RPMS/pdksh-5.2.14-19.i386.rpm
> I guess I may need to be a little more clear. The application is creating a
> file mfgempty.ksh. This is failing in the bash shell. I wnet to change the
> users shell and I did not see ksh as a choice.
You will after you instal
> I have a application that creates a ksh script, but I don't have /bin/ksh.
> I would like to get ksh on my Linux server. The app is for Linux, so I
> gotta believe that I missed it somewhere in the install that it isn't on my
> system.
You don't say which version of RH. Most versions come with
> And what occurs if hda dies. You can't boot!!!
Either:
install grub in the MBR of each disk (before)
make a boot floppy (or two) (before)
boot off the CD or a rescue disk and install grub (after)
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> [EMAIL PROTECTED] /]# /sbin/grub-install /dev/md2
> /dev/md2 does not have any corresponding BIOS drive.
> [EMAIL PROTECTED] /]# /sbin/grub-install --recheck /dev/md2
> Probing devices to guess BIOS drives. This may take a long time.
> /dev/md2 does not have any corresponding BIOS drive.
Grub ge
> I am trying to get ports opened for both ssh and cvs so that I can get code
> from external sites, but our firewall uses proxies and proxies do not exist
> for these two protocols. Does anyone know if any other proxy will work for
> these two systems. For example, will an ssl proxy work for ssh a
sswd line to:
passwd: files compat
Then add this line to the end of /etc/passwd:
+::/sbin/nologin
and make sure /sbin/nologin is listed in /etc/shells.
(You can use /bin/false instead of /sbin/nologin).
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Tel: +61
> Hello, we recently upgrade a quad processor apache web server from 7.2 =
> to 9. since we have noticed a significant loss of performance. Pages =
> that were taking 1-2 seconds to generate are now taking 2-4 seconds. =20
You don't say how the pages are being generated. It could be unicode
relat
> I have to admit that since digging a bit into the various chrooted ftp
> servers out there, I really like that idea. I think it is a shame that
> the openssh team apparently does not see this sort of functionality as
> part of the scope of the project.
Possibly because the OpenBSD philosophy
> Are you sure this is on the RedHat CD? Which one? I checked the ftp and didn't see
> it.
Let's see. RH 7.3 you said ...
It's on CD 2: /mnt/cdrom/RedHat/RPMS/nmh-1.0.4-9.i386.rpm
Checking for updates: ... None.
If you've never used mh or nmh before you might want to read nmh(1)
and take
> http://at.rpmfind.net/opsys/linux/RPM/contrib/libc6/i386/mh-6.8.4-7.i386.=
> html
> =20
> Anyone know of a newer rpm or source?
mh is not a command it's a suite of commands. Install nmh from the
RedHat CD and type `man mhmail'.
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> X server wont start says:
>
> could not init font path element unix/:7100, removing from list!
>
> fatal server error:
> could not open default font 'fixed'
Could be the font server isn't running. Boot into runlevel 3 and try:
service xfs status
If it's not running try:
service xfs s
> Am I the only one who noticed this ?
No. See: https://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=69900
and related bugzilla entries.
> Since awk, sed, grep all run extremely slow on both of my Redhat 9 boxes,
> I can't think of any reason other than the text processing library or kernel
> h
> Yet I don't. :( In fact, it seems that ANY devices that I assign an IP using
> the MAC (such as TiVo, Replay, other servers), don't have entries in the
> dhcpd.leases file?! Why is that? Is this a bug or by design?
By design. dhcpd.leases only records dynamically allocated leases.
> This was
> Since a long time ago I've been trying to configure Quota on my RedHat 7.2
> ...
> /dev/md0/home ext2
> defaults,usrquota,grpquota 1 1
> ...
> #touch /home/aquota.user
> #touch /home/aquota.group
> #chmod 600 /home/aquota.user
> #chmod 600
> What about existing systems that have RH already installed -- is it
> possible to add RAID afterwards if I just get the extra disks? If it
> possible, has anyone documented this procoess
It's possible but messy:
create the RAID system on the new disk(s)
configure the RAID system to run
> Someone in this thread had asked whether there was a (simple?)
> sendmail configuration that would specify to send Email via one's ISP
> for destinations like aol, while going direct to others who might not
> be so "picky".
You need to use a mailertable. Something like:
.aol.com esmtp:your
> The guy wants to use software raid0 to mirror the drives and
> I like to use LVM on stuff that might grow.
There'd be no point in having lvm and raid0 on the same drives.
To get mirroring you'd want raid1 or raid5.
You can do this from the installer (in graphical mode). Set up your
raid array
el card to get this to work).
Hard to see how bonding could work for 2 DSL lines (but I've never tried
it). Might be possible with the intel software depending on the DSL setup.
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Tel: +61 7 3365 3436 Physics
Fax: +61 7 3365 124
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