On 07/15/2014 10:30 AM, Martin Moravcik wrote:
Any other ideas/hints? ... thanks in advance
There's a tigervnc-users mailing list. The VNC experts are supposed to
be there :)
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On 07/11/2014 09:13 AM, Martin Moravcik wrote:
As I said before, in CentOS6 the desktop resolution corresponds with the
parameter -geometry in /etc/sysconfig/vncservers file. And I would like
to behave my centos7 the same way.
I see. The only time I had trouble with the display geometry I
On 07/09/2014 08:24 AM, Martin Moravcik wrote:
Please, let me know, if you have any idea.
Hi,
You need to copy the file from /lib/systemd/system/vncserver@.service to
/etc/systemd/system/ as per the instructions in the vncserver@.service
file (the 4 points under Quick HowTo at the beginning).
On 04/05/2014 02:41 PM, Eddie O'Connor wrote:
Any help or advice would be greatly appreciated.
Try to get some SMART data out of it if you can:
# yum install smartmontools
# smartctl -a /dev/sdX
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On 03/25/2014 11:35 PM, Christopher Jacoby wrote:
Does anyone here actually use NetworkManager on anything but a laptop or
desktop? I can't seem to figure out a reason to use it on a server.
Hi,
I asked a similar question on the NetworkManager list a while ago:
Hi,
Is the CentOS Bug Tracker going to be replaced by the upstream one
(bugzilla.redhat.com)? I think it would make sense to have just one
place to report bugs against RHEL, Fedora CentOS.
Regards,
Jorge
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On 12/29/2013 07:08 AM, hadi motamedi wrote:
how can I install clonezilla on my centos machine to try cloning my
disk?
Hi,
You don't have to install it. Clonezilla it's a Live CD: you boot from
it, do your thing and you're done. It's way better than using dd
because it's filesystem-aware and
On 08/16/2013 10:53 AM, Johnny Hughes wrote:
SUSE does not release their enterprise sources and there
is no SLES clone because of it.
I can't believe I never thought about it (to wonder why there wasn't any
SLES clone)...
Shouldn't they release the source for the GPL packages? I thought there
On 07/31/2013 03:23 PM, mattias wrote:
but fdisk -l w.qcow2 shows totaly wrong!
You can't use fdisk on a qcow2 file (as it is not just a true image of a
raw disk). I highly recommend this guide [1] in order to understand the
different file formats used for disk images.
Regarding your first
On 07/31/2013 12:48 PM, Patrick wrote:
Is there a way to do this?
Change enable=1 to 0 here:
/etc/yum.repos.d/CentOS-Media.repo
HTH,
Jorge
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On 07/23/2013 01:22 PM, Martin Šťastný wrote:
how often is kernel touching swap space
There's a kernel tunable called swappiness [1] to control that. You
can add an entry in /etc/sysctl.conf like this:
vm.swappiness=0
...and the kernel will avoid, as much as it can, to use swap.
HTH,
Jorge
On 03/28/2013 02:05 PM, John R Pierce wrote:
is it as simple as adding allow-recursion{} with the appropriate private
subnets and localhost to named.conf ?
Yes. That's basically it.
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On 02/09/2013 07:01 PM, Jorge Fábregas wrote:
Check the following line in /etc/named.conf and make sure you have both
ip addresses:
I'm sorry. I thought you were running BIND. I'm on that list too...got
to pay more attention next time!
Anyway, check the bind (no pun intended!) address doing
On 02/08/2013 03:09 PM, Ed Morrison wrote:
The services start fine but when telling to perform a dig using itself
as the resolver the queries fail
Check the following line in /etc/named.conf and make sure you have both
ip addresses:
listen-on port 53 { 127.0.0.1; 192.168.1.6; };
Also, if
On 08/03/2012 04:22 AM, Deyan Stoykov wrote:
Is anyone aware of an existing solution for post-deployment
configuration (hostname, network settings and root password
as a minimum) other than editing config files by hand
Try sys-unconfig (I think it comes by default on the system). I never
On 01/18/2012 05:49 PM, Tait Clarridge wrote:
Create the 8 bridges that you need and go from there, you should be able
to assign them in Virtual Machine Manager to the VMs.
Hello Tait,
I'm learning about ethernet bridges and how it is applied to virtual
networking. It seems that, in the past,
Hello guys,
Did anyone noticed how green CentOS 6 is compared to the previous
release? I've been running a couple of CentOS 6 VMs (on our vSphere
environment) for the last couple of weeks and noticed a BIG difference
when it comes to CPU usage when the VM is completely idle. I would
like to
On 01/07/2012 06:40 PM, Ljubomir Ljubojevic wrote:
What will be the performance impact on my Celeron 1.73 GHz CPU and/or
hdd speed?
To further add to what has been said, check if your particular CPU
supports the AES-NI instruction set which should provide some
performance boost:
On 01/07/2012 06:05 AM, Lucian wrote:
+1 for KVM/virt-manager/virtio. I need to look further into Spice, but
now I use rdesktop which gives me file sharing and sound.
I'm wondering about the difference between using rdesktop or spice to
connect to a VM on your local machine (UI responsiveness,
On 01/05/2012 06:14 PM, m.r...@5-cent.us wrote:
mkswap -L SWAP-sda3 /dev/sda3
Hi,
I didn't know you could create a label within the mkswap command. I
always used e2label as in:
e2label /dev/sda2 myswap
Try it with e2label just in case. Also, are you able to activate the
swap using just the
On 01/03/2012 10:29 AM, Digimer wrote:
Hi all,
I'm happy to announce a new tutorial!
https://alteeve.com/w/2-Node_Red_Hat_KVM_Cluster_Tutorial
Hello Digimer,
Thanks for sharing this. I might try it in a couple of months as I'm
not ready yet (need to grasp some concepts/technologies
On 10/19/2011 05:14 AM, John Kennedy wrote:
How can I satisfy both the need to remove yesterday's log file while keeping
the current day?
Hi,
I perfectly understand your problem. copytruncate is not your friend
here so, taking copytruncate out of the picture, I really don't see a
quick fix as
On 10/07/2011 05:42 AM, przemol...@poczta.fm wrote:
How about chrooted sftp in centos 5.* ?
If I cannot - do I have to use centos 6.* ?
The stock SSH package in the CentOS 5 series doesn't have the chroot
functionality. The one in CentOS 6 does.
HTH,
Jorge
On 09/26/2011 07:02 AM, Jennifer Botten wrote:
-A INPUT -i eth0 -d 209.61.231.42 -p udp -j DROP
This needs to be:
-A OUTPUT -i eth0 -d 209.61.231.42 -p udp -j DROP
...if you want to drop packets initiated from your system to that
ip...which doesn't make any sense if you're dropping all the
On 09/26/2011 07:45 AM, Jennifer Botten wrote:
I am blocking UDP and TCP from that IP. I also have an OUTPUT rule however
mine has the -o eth0 as the -i eth0 does not work.
Yes, I had it wrong. For the OUTPUT chain you use the -o ethX. Perhaps
you have an ALLOW rule for udp or some other
On 09/25/2011 02:05 PM, Todd wrote:
I upgraded to OS X 10.7 on my laptop and when I try to ssh into my servers
and do edits it seems my backspace is now weird
This is something you need to fix on the terminal emulator you're using.
Apparently the backspace code your terminal is sending now is
On 08/28/2011 09:06 PM, ken wrote:
When I downloaded the iso for 6.0 install, K3b said the iso wouldn't fit
on the blank DVD.
Hi,
From the 6.0 Release Notes here:
The i386 DVD is just a bit too large to fit on normal single layer
DVD+R media. It can be burnt successfully on DVD-R or
On 07/30/2011 11:07 PM, Tim Dunphy wrote:
03***/bin/alldb /home/bluethundr/backupdb/alldb-$(date
+%Y%m%d%H%S).sql
I think the date paremters (percent etc) is causing you problems here.
Try it simple first:
* * * * */bin/alldb
On 07/19/2011 07:32 AM, Kevin Thorpe wrote:
would any of you recommend a ticketing system?
Redmine:
http://www.redmine.org/
You can give it a try by using any of the the Bitnami virtual-machine
images:
http://bitnami.org/stack/redmine
HTH,
Jorge
___
On 05/04/2011 12:17 PM, Nicolas Ross wrote:
iotop can points me to wich process, but that doesn't points me to what
files are the culprits...
A rough way would be to change to the top-level directory where you
suspect the files are being written and perform:
find . -type f -mmin -1 (that
On 02/20/2011 07:41 PM, John Nash wrote:
Am I missing something important ?
Is your /usr a separate partition? If so try to copy
/usr/share/zoneinfo/Europe/Paris to /etc/localtime (instead of it being
a symbolic link). See if that works.
--
Jorge
___
On 01/14/2011 09:29 PM, Kenneth Wolcott wrote:
I suppose I could install from the cd iso images, but it is a pain to
virtually eject and remount cd iso images during the install :-(
There is a trick where you can perform an installation with just the
first CD (and you won't be asked for further
On Thursday, December 30, 2010 09:53:25 pm Dave wrote:
I want to add up the quotas I've assigned on a particular partition
and see if the total is bigger than the disk. It's possible to do this
(awkwardly) using repquota or quota. Is there no more accurate/elegant
way?
I don't think so. I
Hi all,
After the latest security update for bind (which came out last night), now
there's a new message on syslog, (facility: daemon, severity: warning) every
time you restart named:
max open files (1024) is smaller than max sockets (4096)
After googling for a while the solution seems to be to
On Sunday 12 December 2010 17:02:27 Keith Roberts wrote:
I need to remove (or shorten to 5 seconds) any silent
sections throughout the Mp3 file - not just the beginning or
the end.
I usually do this in Audacity (graphical app) and the feature is called
Truncate Silence. I'm not sure if you
On Saturday 04 December 2010 02:47:15 muhammad panji wrote:
The problem is that I have no SATA port left so that I can't move PE to the
new disk.
I don't see how you can solve your problem with the current setup (you need to
free up space and put it somewhere but you don't have any more disks
On Sunday 28 November 2010 13:31:28 Benjamin Franz wrote:
Worse - it doesn't always log what it is doing in a way that you can figure
out. Occasionally not at all.
SELinux does have some rate-limiting capabilities built-in to avoid a flood of
identical messages...so the triggering-event to
On Monday 22 November 2010 10:36:31 Brian Mathis wrote:
It may be tempting to use the rc.local, but that's the quick and dirty
way and not good for the long-term sustainability and management of a
system. There's no way to individually control any service running
from there, and no way to
On Sunday 21 November 2010 20:19:59 Kill Script wrote:
I have a Java program that I want to start up with every boot, but I'm
unsure how to do it.
Put the call to your script on this file:
/etc/rc.d/rc.local
HTH,
Jorge
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On Thursday 18 November 2010 12:18:16 Les Mikesell wrote:
check out this week's (142) video podcast at http://twit.tv/floss
Hey thanks for the tip. I just finished watching it (very interesting
interview).
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Jorge
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On Monday 15 November 2010 00:13:53 Jobst Schmalenbach wrote:
Does yum update tzdata update /etc/localtime or does this need
to be done manually?
No, it doesn't. It is created by Anaconda during install.
[this is part of the hwclock problem, a guy from sage-au has given me a
hint]
I
On Thursday 11 November 2010 20:41:45 Jobst Schmalenbach wrote:
Now I had to reboot a couple of them two days ago and to my surprise
all had problems with the time upon booting.
Hi,
Are you 100% sure that your timezone file (/etc/localtime) corresponds to the
one Australia/Melbourne? Try
On Thursday 11 November 2010 20:41:45 Jobst Schmalenbach wrote:
Nov 10 08:08:52 XX ntpdate[2464]: step time server 192.168.1.1 offset
-39599.950905 sec
Also, try to disable ntpdate with chkconfig ntpdate off and reboot the
machine
and see if that solves the problem. If it does, then you
On Friday 29 October 2010 04:22:52 Rudi Ahlers wrote:
How do I give full access to all ports on this IP, instead of forwarding
every port?
Sure. That's called One-to-One NAT. You'll do something like this:
iptables -t nat -I PREROUTING -d 192.168.1.20 -j DNAT --to-destination $GREEN
On Thursday 26 August 2010 10:35:08 Tim Nelson wrote:
I've looked at and tested umask but it only seems to allow/disallow
specific permissions, not force permissions. Am I missing something? How
can I force all files/dirs created under a specific directory to have the
permissions (and
On Thursday 26 August 2010 11:56:41 Tim Nelson wrote:
ACL's do indeed look like the method I'd prefer. Are ACL's part of the
filesystem (dependent on ext{2,3,4} etc?) or are they part of the
file/inode? My primary reason for asking is I'd like to know if when
backing up this data, will the
On Thursday 26 August 2010 12:17:05 Jorge Fábregas wrote:
AFAIK, the tar command on CentOS 5 is not aware of these and you need to
use one called star
Check your CentOS release level. I just checked now and on 5.5 the tar command
(man tar) shows some options for acl and selinux (you need
On Wednesday 04 August 2010 02:18:55 Janez Kosmrlj wrote:
but the user can still change back to color mode, if he wants to in the
print dialog. I want that they don't even have the option to print in color
Have you tried modifying the PPD file to remove the color option? I mean, I
would copy
On Thursday 22 July 2010 13:30:49 Joseph L. Casale wrote:
I have an HP Server w/ a Smart Array controller I need to test.
Also, don't forget to use the hpacucli tool (in order to get every detail on
the controller and disks. I recently discovered it and it's nice since you
can create scripts
On Wednesday 07 July 2010 21:32:45 Phil Manuel wrote:
/usr/bin/system-config-time
(from the system-config-date RPM package)
It will work in text mode.
(Essentially /etc/sysconfig/clock is the config file that also needs
updating)
Is /etc/sysconfig/clock really essential? I just have
Hello everyone,
I have this box where auditd is logging every command typed on the system
onto: /var/log/audit/audit.log
Every line looks like:
type=USER_TTY msg=audit msg=audit(124433snip msg=command here ...
The strange thing is that I have other similar boxes and I don't see this
Hello guys,
I have a couple of servers that I'm about to virtualize to our VMware Vsphere
ecosystem. For Linux servers I read that one needs to use the stand-alone
converter (which is a live-cd that you boot from it and then you point it to
your destination ESX).
I would like to know from
On Tuesday 01 June 2010 13:07:35 Marko Vojinovic wrote:
So how does one configure a to-be-used-in-the-future printer, without
actually having one plugged in?
Just run system-config-printer and follow the new printer wizard. You
basically need to know the manufacturer and model. With that
On Saturday 22 May 2010 16:36:18 Robert Heller wrote:
Base Ubuntu 'version' numbers are just the year.month of the
release: Ubuntu 10.4 is just the base release of April of 2010
I didn't know that one! Interesting. Thanks Robert.
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On Tuesday 06 April 2010 03:24:49 James Corteciano wrote:
Instead, you can generate a local policy module to allow this access
Hello James,
This doesn't seem like an incorrect labeling issue. Files under /etc, most of
them, will have the etc_t as type.
Apparently the current policy doesn't
On Sunday 14 March 2010 20:38:23 David Mehler wrote:
Thanks for your reply. Crontabs package is indeed installed.
Various things:
1- Check that indeed crond is running (ps -ef | grep cron)
2- Check that the logrotate script is indeed in the /etc/cron.daily|hourly|
weekly directories...
3- the
On Thursday 25 February 2010 07:36:50 Roland RoLaNd wrote:
lately i've noticed that lots of traffic being produced by the servers ..
is there a way to know whose using port forwarding to my server so they
access the internet ?
I don't know why you use the term port forwarding. If I
On Thursday 25 February 2010 08:18:13 Eero Volotinen wrote:
cat /proc/sys/net/ipv4/ip_forward
0
So, problem solved?
Hmm I think he meant to show the current status of ip forwarding on his box.
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On Monday 25 January 2010 19:35:07 Carlos Santana wrote:
Now I need to create a local user account and have its home dir
also on local system
If it's a local user you want (with its fils on local system) why are you using
the autofs facility? Isn't it just a matter of creating the user locally
On Friday 15 January 2010 07:06:58 Aggelis Aggelis wrote:
wonder what are the comments of centos community on hte subject
Hi,
You just need to run quotacheck the first time you're going to use a filesystem
for quotas (so that it can create its database on the filesystem). For
example, if
On Thursday 14 January 2010 12:52:15 Michael A. Peters wrote:
This is the second time in the last 6 months that all three of my ISP's
nameservers have gone down,
You can also use Google's free Caching Nameservers (a recent offering) with
some easy-to-remember ip's;
8.8.8.8 and 8.8.4.4
On Monday 09 November 2009 10:00:32 am Stephen Nelson-Smith wrote:
I want to be certain that my apache and varnish logfiles are in strict
date order when rotated. I'd like to run a sort command against them
before they're compressed.
I use the dateext option in my logrotate configuration file
On Thursday 29 October 2009 10:32:30 pm nate wrote:
It's been eons since I played with acls, but I thought you can
only view acls via getfacl(or other similar commands) ls -l doesn't
do anything to show acls, only unix-style permissions.
Hello nate,
Yes, I use getfacl to see the ACLs but in
Hello everyone,
I'm doing some tests with ACL's and even though I can create a default ACL
for a directory (that includes rwx for the default owner), when I finally
create a file wihin that directory the execute bit is chopped off:
[...@machine ~]$ mkdir mydir
[...@machine ~]$ setfacl -d -m
Hello everyone,
Now after the recent discussion on running SSH on a different port, I decided
to start a new thread but with SELinux involved.
Assuming that you have SELinux enabled, and that you changed the default port
for SSHD, let say for 1234, when I restart SSHD I don't get any AVC
On Sunday 25 October 2009 03:06:58 pm Ned Slider wrote:
The SSH daemon runs as an unconfined service in SELinux (at least on
RHEL4 and 5), so SELinux has no effect on SSH. Same as a bash shell runs
unconfined.
Thanks Ned! That's it. I missed the following check:
# ps -eZ | grep sshd
On Monday 14 September 2009 10:59:58 am Ralph Angenendt wrote:
The release notes will have a section if/which packages have been
removed or are new to the release (or have been updated).
Thanks for clarifying Ralph. All clear now.
All the best,
Jorge
Hello everyone,
Let say 5.4 goes out today; If I fully update (today) my 5.2 system...will it
be equivalent to 5.4 (all RPM packages with same version/release number?)?
Or is it possible for the new point release to include NEW packages that
weren't on the base relase (in this case CentOS
On Wednesday 09 September 2009 08:08:27 am Jorge Fábregas wrote:
If I perform matchpathcon /var/whatever I still get var_t as
its default type. Then again, why it kept the httpd_sys_content_t after the
relabel?
I did the same test on Fedora 10 (which of course is way newer than Centos
On Saturday 12 September 2009 03:31:25 pm A. Kirillov wrote:
Read this thread:
https://www.redhat.com/archives/fedora-selinux-list/2009-July/msg00141.html
Arrgh Sasha right on!!! Thanks so much! I had no idea
about Customizable Types and indeed httpd_sys_content_t is one
Hello everyone,
If create a folder called whatever under /var, the context is:
root:object_r:var_t /var/whatever/
That's expected as it is under /var. If I then change its type:
chcont -t httpd_sys_content_t /var/whatever
The context looks like:
root:object_r:httpd_sys_content_t
On Thursday 06 August 2009 10:58:05 pm hce wrote:
The messages from local0 worked fine, all sent to the remote log
server. But all messages from local1 were still displayed in
/var/log/messages despite it has been set to local1.none.
How do you determine which messages come from which facility
On Sunday 28 June 2009 11:38:48 am David Goldsmith wrote:
resize2fs /dev/VolGroup00/LogVol03
Does it performs the resizing while the filesystem is mounted?
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On Sunday 28 June 2009 11:52:36 am David Goldsmith wrote:
Resizing to make an ext2/ext3 filesystem larger can be done while the
filesystem is mounted. Resizing to shrink a filesystem requires the
filesystem to not be mounted.
Thanks for the tip and for the nice demonstration David.
All the
On Sunday 26 October 2008 09:21:17 am Niki Kovacs wrote:
I've just been looking for a simple audio recording app
You can use arecord (comes with the alsa-utils package) which is a
command-line tool or if you want a GUI one you can try Audacity.
HTH,
Jorge
On Monday 22 September 2008 05:23:51 am Szemerédy Gábor wrote:
We need to develop and use Oracle Forms applications. Do we need to
install 10g Developer Suite also or are the forms contained in the
application server?
Yes, you need to install the Developer Suite in order to use Forms Builder,
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