Forwarded on Mark's behalf...
-- Forwarded message --
From: m.r...@5-cent.us
Date: Thu, Oct 9, 2014 at 3:04 PM
Subject: CentOS list troubles
To: Les Mikesell lesmikes...@gmail.com
Hi, Les,
Somewhere between late afternoon yesterday, and this morning, something
hit me
, he didn't even mention that there would be a real simple
solution - just add backwards-compatible improvements instead of
actively wrecking the interfaces everyone else had depended on for
decades.
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place. No one to copy from...
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?
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as a
driver when you buy a new car. And car vendors know better than to do
that to their customers.
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words of core, and a 1000K word hard disk.
So now we have hardware hundreds of times faster, and you are trying
to tell me it can't do the same thing in a backward compatible way???
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computing power than all the
math you did to come up with what you wanted to print. Progress.
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to be? How much do you want the fees you pay to increase
just to keep the same applications running with the same amounts in
the accounts as they showed before?
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http
, etc.
Any chance of getting gnome3 to work under x2go? I've switched to
mate everywhere for that.
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with everything still
running.X2go has equivalent features and seems to replace freenx
for CentOS 7. I just haven't switched because I run 'synergy' to
share the keyboard/mouse on my main desktop and there is some sort of
conflict.
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but at this point don't
know whether to blame the hardware or software.
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for it.
Or the Oracle version that you can download should work too:
https://oss.oracle.com/el4/SRPMS-updates/bash-3.0-27.0.2.el4.src.rpm
or the equivalent binary rpm under
http://public-yum.oracle.com/repo/EnterpriseLinux/EL4/latest/x86_64/
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to the sendmail command line
program to send messages go back to the dawn of email. MTAs that
replace the 'real' sendmail pretty much have to provide that
functionality.
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systems, which is
probably going to be a long and annoying time under the best of
circumstances.
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victim.
It's more a question of why you run the service at all. If blocking
people from reaching it doesn't bother you, why not just shut it down?
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works for Centos -
or maybe even just one version of Centos.
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in there still continues to work.
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or even specific devices and you have no way of knowing the
correspondence.
Why should I tolerate some malicious nutter trying to hack into my web
servers ? Better to block their IP after the first attempt.
Why tolerate anyone?
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convinced that how you _should_ do something
should change just because some programmer that didn't understand the
old, working way wrote something new and buggy.
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from the cruft and specialty stuff
now. If you understand what the fork() system call does, most of the
rest of what unix-like systems do will generally make sense.
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a change?
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On Mon, Sep 29, 2014 at 5:24 PM, Valeri Galtsev
galt...@kicp.uchicago.edu wrote:
On Mon, September 29, 2014 4:26 pm, Les Mikesell wrote:
On Mon, Sep 29, 2014 at 3:53 PM, Peter Brady
subscripti...@simonplace.net wrote:
I also mirror EPEL. And publish it via SpaceWalk for all the same
around complicated systems
being complicated.
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On Sun, Sep 28, 2014 at 6:13 PM, Vojin Urosevic v...@linuxusers.com wrote:
On Sun, Sep 28, 2014 at 6:32 PM, Les Mikesell lesmikes...@gmail.com wrote:
On Sun, Sep 28, 2014 at 12:22 PM, Greg Lindahl lind...@pbm.com wrote:
A third source is companies with homegrown code deployed on CentOS
of a standard that other MTAs normally offer a compatible
command. With 'real' sendmail you can configure it to either deliver
in the current process or to queue for subsequent delivery by the
daemon. Not sure how the others handle it, but yours apparently
completes the delivery.
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.
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CentOS7 you have the option of adding google chrome which
probably is even worse for the rate of change but at least it is
closely in tune with google sites and across various devices.
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breaking things - and that should apply to internal packages
as well as your own. And system packages that need specific versions
should say so in their rpm dependencies to bring them along if you try
to update.
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source?
That's ummm, funny, considering the stuff we've all been running.
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with a large number of nics that are named in
essentially random order like the older systems. So, I think it is a
great idea and should have been done that way from the start, but I'm
not convinced yet that it will really work on most hardware.
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to
exist in some circumstances with udev naming. If scripts using fixed
names ever worked it was mostly a matter of luck.
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ensf0 and ensf1.
I'm assuming the nics there are installed in a different slot
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still get the same response.
Any suggestions?
A 'yum info firefox' should show what is installed and what is
available in the repo if that is dfiferent.
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'Lustre'.
wow, the US government!!. *sarcasm implied*
Ummm, like you've walked on the moon
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for the duration of the upgrade then put it back and fix the contents
later. But, that sort of thing makes a bare-metal reinstall sound
even more sensible since it shows how many options there are and how
many they may not have considered.
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the problem
What do those 'not found's mean?
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On Tue, Sep 9, 2014 at 10:54 AM, Jim Perrin jper...@centos.org wrote:
On 09/09/2014 10:49 AM, Les Mikesell wrote:
So much for elrepo being a painless way to get working Nvidia drivers...
This isn't elrepo's fault.
The glibc update changes the location of the ldconfig binary. It's still
On Tue, Sep 9, 2014 at 12:14 PM, Ian Pilcher arequip...@gmail.com wrote:
On 09/09/2014 10:49 AM, Les Mikesell wrote:
So much for elrepo being a painless way to get working Nvidia drivers...
Yum update (or just update glibc) says:
-- Processing Dependency: /usr/sbin/ldconfig for package
a few, you are probably already doing
some sort of image installs. So just install on a machine or VM with
1GB, then use ReaR or Clonezilla to back it up and restore onto the
target boxes. Or for brute force, use dd to copy the drive and swap
them into place.
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On Mon, Sep 8, 2014 at 11:36 AM, Valeri Galtsev
galt...@kicp.uchicago.edu wrote:
On Mon, September 8, 2014 9:44 am, Les Mikesell wrote:
On Mon, Sep 8, 2014 at 3:38 AM, Mihamina Rakotomandimby
mihamina.rakotomandi...@rktmb.org wrote:
If you have 1.000 or 10.000 machines it*is* a reason
.
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On Sun, Sep 7, 2014 at 5:48 PM, John R Pierce pie...@hogranch.com wrote:
On 9/7/2014 3:40 PM, Les Mikesell wrote:
Well they did have the opportunity to make changes in the minimal iso
since that doesn't directly correspond to a RHEL version. I haven't
used it yet because I already had
liked software raid1 just because you can recover the data
from any single drive on any machine with a similar interface. But,
I guess that's why we have backups...
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with the ability to mount a RAID1 member as a
normal non-raid partition? I've done that for data recovery but
never knew if it was safe to write that way.
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.
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the
weekend.
I think either adding the ARRAY entry in /etc/mdadm.conf and rebooting
or some invocation of mdadm could have revived /dev/md4 with /dev/sdd
(and the contents you wanted) active.
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think the best I could have done was a Java GUI tool
that IBM had for their servers - and that seemed like overkill for a
simple monitor.Is there anything more lightweight that knows about
the underlying drives in a hardware raid set on IBM's - and also
recent HP servers?
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of unix - and that was to not hold anything needed for
booting. /sbin and /usr/sbin are just weird, as though users don't
need to run common commands like ifconfig. /var for the java
executables?? /opt might have made sense.
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On Fri, Aug 22, 2014 at 9:55 AM, Les Mikesell lesmikes...@gmail.com wrote:
/var for the java
executables?? /opt might have made sense.
Oops, I guess it is actually under /usr/lib/jvm which isn't quite as
bad, but still not the first place you'd expect for an executables
like java, javac, jar
for many
subsequent years since swapping it all. But, the only reason that
box is still around is that it is an enormous tower case and the only
thing I had with enough drive bays for what I was doing then.
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behind your peers you will fall.
Except that wasting time re-learning a new and strange way to do
something that already worked - or how to disable the new thing so it
doesn't break your working setup - doesn't really put you ahead of
anything.
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On Fri, Aug 22, 2014 at 5:33 PM, John R. Dennison j...@gerdesas.com wrote:
On Fri, Aug 22, 2014 at 05:24:06PM -0500, Les Mikesell wrote:
Except that wasting time re-learning a new and strange way to do
something that already worked - or how to disable the new thing so it
doesn't break your
that and stay on old
releases, but the world *will* move forward, with or without you.
Or around in circles...
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no attribute 'split'
Do either of those look fatal? And where else should I look for the
underlying problem?
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On Thu, Aug 21, 2014 at 12:23 PM, m.r...@5-cent.us wrote:
Les Mikesell wrote:
A machine I set up to run OpenNMS stopped working last night - no
hardware alarm lights, but keyboard/monitor/network unresponsive.
After a reboot I see a large stack of messages like this in
/var/log/messages
is whether this could be related to the
system hang. I don't really see why a failing access in a perl script
would be a real problem unless there is some more serious bug, so it
may not be related at all. There were several such log messages, so
at least we know the first few weren't fatal.
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performance.
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the developers of every package where they need to have
test versions does. So why treat the users like they would be too
dumb for that?
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of that location. And thank RedHat for making it so
simple...
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and give a full path to either executable -
you just have to follow the weird symlinks or list the paths from the
rpm to figure out where they really put things.
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On Tue, Aug 19, 2014 at 2:25 PM, John R Pierce pie...@hogranch.com wrote:
On 8/19/2014 12:08 PM, Les Mikesell wrote:
Yes, I think pretty much everything in recent Linux distributions is
aimed at making it more single-user and PC-like instead of a unix
server. Following Apple's lead, I guess
I did a default install and after installing some other things I
realized that a lot of space was allocated to /home as an lvm that is
never going to be used. Is it possible to remove the lvm and grow
the root (xfs) filesystem without starting over?
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going to work the way you
expect unless you remove the key encryption or supply the passphrase.
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firewalling schemes have issues with fragments, especially
if they arrive out of order - not sure about the new stuff in C7.
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with a large -s value through the bridge (host or external box to
guest)?
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something larger than the next
interface's MTU and if the DF bit is set it can't fragment there.
If you have IP's to spare on the NFS subnet, you might get away with
bridging there and adding a virtual NIC to the guest(s) that need
access.
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for CentOS7?
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separately through a multiplexer so you
don't start a big perl process for every deliver and you don't keep it
tied up for the steps that don't need it (see diagrams on pgs 16 and
113 of that pdf for the concept).
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MimeDefang to
postfix but it should be theoretically possible now that postfix
supports milters.
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processor provides a way to
make customized copies.
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with a bounce message 'the
recipient's mail box is full'.
I think sendmail can do those natively - or more easily with milters.
I can run a basic mailing list, within Exim, without having to use
Mailman.
But why would you?
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up with
their changes over time. So it is almost impossible to get a good
comparison or recommendation for a situation resembling your own - or
anything that goes beyond 'this worked for me once...'.
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have a fairly useful user interface for the
decisions drivers need to make. MTA's need to have helper programs
hooked into various places that are much less standardized to make
some decisions for you.
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be the way kvm is built. I know I used to
run 64-bit linux versions under vmware player on a laptop running
32-bit windows XP.Maybe virtualbox would work...
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the CPU does not have hardware
virtualization support.
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hand, because they have a policy of not overwriting base
packages, you won't find a newer mysql package there.
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and backed out to
CentOS6.x, you might want to use these.
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-level bugs in server programs to give the effect
of remote exploits (and there _will_ be people who know how to do
that) so you can't ignore everything.
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it to set the desktop choice.
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the advantage of being able to disconnect/reconnect sessions
and will have better performance than native remote X on networks with
latency.
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a shot and report back!
I haven't pursued this further due to lack of time and shell access is all
I really need. ;-)
Gnome3 still doesn't work with the default configuration but MATE
desktop is now in EPEL and seems to work nicely (just like gnome2).
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happens if you mount the partition of a raid1 member directly
instead of the md device? I've only done that read-only, but it does
seen to work.
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feasible to reshuffle the partition
a bit to make this happen with a special tool (perhaps offline for a bit
- you'd only have to manage something less than a single MB of data) but
I'm guessing nobody has felt the itch to make such a tool.
On 07/25/2014 08:10 AM, Les Mikesell wrote:
What happens
On Fri, Jul 25, 2014 at 3:08 PM, Benjamin Smith
li...@benjamindsmith.com wrote:
On 07/25/2014 12:12 PM, Michael Hennebry wrote:
Is there soome reason that the existing files cannot
be accessed while they are being copied to the raid?
Sheer volume. With something in the range of 100,000,000
On Mon, Jul 21, 2014 at 2:49 PM, Les Mikesell lesmikes...@gmail.com wrote:
On Mon, Jul 21, 2014 at 2:19 PM, Jonathan Billings billi...@negate.org
wrote:
On Mon, Jul 21, 2014 at 12:16:39PM -0500, Les Mikesell wrote:
I'm getting errors: '/lib64/libc.so.6: version `GLIBC_2.14' not found
mount point and either (safer)
swap a new disk, keeping the old one as a backup or (more dangerous)
change the partition type on the original and add it into the raid set
and let the data sync up.
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of the Centos or epel repos in any case though.
There is eclipse and probably some other similar things.
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? I found the devtoolset-2
software collection with a usable gcc, but no boost. And cmake 2.8
installs as cmake28 whereas the project expects the normal
cmake/ccmake names.
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On Mon, Jul 21, 2014 at 2:19 PM, Jonathan Billings billi...@negate.org wrote:
On Mon, Jul 21, 2014 at 12:16:39PM -0500, Les Mikesell wrote:
I'm getting errors: '/lib64/libc.so.6: version `GLIBC_2.14' not found'
and '/usr/lib64/libstdc++.so.6: version `GLIBCXX_3.4.14' not found
postgres database if it is local, what happens
if it is configured that way but you use the setup recommended for
scaling where the database runs on a different system?
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to manually edit the layout description file.
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. The 'rear' package from EPEL would also likely work although it
uses tar for the backup at least by default.
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something that
fundamental wrong it is hard to take the rest seriously.
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/etc/rc.d/init.d/program_name start
to see how configurations options that are abstracted out of the main
files are being picked up and expanded?
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way to make your program start at boot will
just get you back to what you already could do on previous systems.
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or if it will have logged me out. And I don't
have a clue how to debug it.
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related things at startup/restart you'll
probably still need a shell there anyway.
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they are
members of many groups and so on.
Isn't that the sort of thing that 'software collections' are intended
to provide? It would be encouraging to see something actually built
on top of them.
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the
time to rewrite the startup code.
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