Re: [CentOS] X11 connection rejected because of wrong authentication
On 25 November 2013 01:08, Timothy Murphy wrote: > I'd like to run SELinux on my CentOS server in enforcing mode, > but I get the above message when I run sealert. > I assume this is because I am accessing the server from my laptop? > > In any case, I googled for the message, > and this threw up dozens of similar queries over many years. > Most of the ones I read offered methods of avoiding the problem > rather than solving it. > > Am I right in thinking the message arises from my remote connection? > And if so, is there a simple solution? > Too little information at present to tell. Does it work if the system is in permissive? Did you ever have the system in disabled and then switched to permissive/enforcing? Do you have xauth installed? 9 times out of 10 with this message it's just that there is no (or incorrect) .Xauthority so the X server rightfully denies the untrusted connection. ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] Wrap around to first/last work space
Wes James wrote: > Is there a way to get CentOS 6.4 to wrap from last to first or first to > last workspace when moving with ctl-alt left/right arrow? I right clicked > on the workspace view at the bottom right and selected Preferences, but > there are now options for that. We had to patch metacity to get this to work by default - the patch is quite simple Let me know if you want the patch James Pearson ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] X11 connection rejected because of wrong authentication
James Hogarth wrote: >> I'd like to run SELinux on my CentOS server in enforcing mode, >> but I get the above message when I run sealert. >> I assume this is because I am accessing the server from my laptop? .. >> Am I right in thinking the message arises from my remote connection? >> And if so, is there a simple solution? > Too little information at present to tell. > > Does it work if the system is in permissive? The CentOS server is running with SELinux in permissive mode. I would prefer to run it in enforcing mode, and to that end would like to solve the problem above. > Did you ever have the system in disabled and then switched to > permissive/enforcing? No, CentOS-6.4 was recently installed, and the system has always been in permissive mode. > Do you have xauth installed? This is the response to "yum install xauth": Package 1:xorg-x11-xauth-1.0.2-7.1.el6.x86_64 already installed and latest version > 9 times out of 10 with this message it's just that > there is no (or incorrect) .Xauthority > so the X server rightfully denies the untrusted connection. On the server === [tim@grover ~]$ ls -lsZ .Xauthority -rw---. tim tim unconfined_u:object_r:xauth_home_t:s0 .Xauthority === Same on the connecting laptop === [tim@rose ~]$ ls -lsZ .Xauthority -rw---. tim tim unconfined_u:object_r:xauth_home_t:s0 .Xauthority === Incidentally, if there was something wrong with .Xauthority shouldn't sealert point this out? -- Timothy Murphy e-mail: gayleard /at/ eircom.net School of Mathematics, Trinity College, Dublin 2, Ireland ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] Any experience with lanner appliances?
From: Steve Clark > We have about 1000 FW-7535s (replaced by FW-7541) deployed using > CentOS 6.x. I finally chose to go with the microserver... I have a hard time finding a simple price for the lanner appliance (without having to fill some huge forms to get a quotation...) And last time, when I did find one price, it was more than $800 which feels too much for some "above average soho router like hardware". Thank you both for the info,JD ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
[CentOS] ltsp & Selinux
Hello All,
I set up ltsp regulary, on Centos6 machines.
This morning I have a Selinux problem that usualy does not occur:
after setting everything up, the thinclients boot, but nobody can login.
It only works after the command :
# echo 0 > /selinux/enforce
I tried this semanage command:
# semanage fcontext -a -t bin_t /usr/bin/xauth
but it makes no difference.
The message I'm now seeing in /var/log/audit/audit.log :
type=AVC msg=audit(1385112688.399:67769): avc: denied { write } for
pid=8218 comm="xauth" name="caw" dev=md1 ino=262145
scontext=unconfined_u:unconfined_r:xauth_t:s0-s0:c0.c1023
tcontext=unconfined_u:object_r:home_root_t:s0 tclass=dir
type=SYSCALL msg=audit(1385112688.399:67769): arch=c03e syscall=2
success=no exit=-13 a0=7fffdecf5c60 a1=c1 a2=180 a3=8 items=0 ppid=8217
pid=8218 auid=500 uid=500 gid=500 euid=500 suid=500 fsuid=500 egid=500
sgid=500 fsgid=500 tty=(none) ses=9 comm="xauth" exe="/usr/bin/xauth"
subj=unconfined_u:unconfined_r:xauth_t:s0-s0:c0.c1023 key=(null)
Can anybody help me overcome this without disabling Selinux?
Many thanks.
Greetings, J.
--
Johan Vermeulen
IT-medewerker
Opensource Software is the future.
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Re: [CentOS] Google Chrome
On Sat, Nov 23, 2013 at 11:25 AM, Johnny Hughes wrote: > On 11/22/2013 01:25 PM, Chris Beattie wrote: >> On 11/22/2013 11:29 AM, Phelps, Matt wrote: >>> Most of us using CentOS/RHEL are in an "e"nterprise environment where >>> that sort of thing just isn't allowed. >>> >>> A supported, updated, secured version of chrome/chromium is essential >>> for our CentOS environment, and I venture to guess many others' >>> (including RHEL users). >> What happens if there comes a time when Johnny's heavy wizardry isn't enough >> to keep Chrome running on CentOS? Or if he just doesn't have time to do it? >> The browser that you need won't run on the OS which you can't change. You >> have a Kobayashi Maru scenario. You can't win unless you can change the >> rules. >> >> I do something similar, but in my case, I provide virtual machines loaded >> with older versions of Internet Explorer for QA testers. The testers can't >> do any permanent damage to the VMs that the hypervisor won't fix when it >> reverts the VM after the tester logs off. Meanwhile, the version of IE on >> the testers' main machines is kept up-to-date. >> > > BTW, I like chrome, so that is why I am trying to maintain this ... but > it is GOOGLE who is not maintaining the code to work on EL. > > Just like Google also decided to NOT provide a Google Drive for Linux > and a bunch of other things. > > I am just about to say screw Google as they don't seem to care about > enterprise linux at all .. if it isn't android or the absolute latest > and greatest glibc/gtk/glib combo then they don't want to support it. > If that is the case, who am I to make their code work for millions of > users who THEY seem unconcerned about. > > If someone from Google gives a crap about getting chrome working on the > several million machine universe that is CentOS users, you guys contact > me and let me know ... otherwise, I'll just assume you don't give a damn. > > Thanks, > Johnny Hughes > The CentOS Project > > > ___ > CentOS mailing list > CentOS@centos.org > http://lists.centos.org/mailman/listinfo/centos > Oh, I understand! Your efforts have been heroic, and well appreciated. My rant was (and has been) directed at Google. I definitely want more pressure on Google from whomever can apply it. I was hoping there would eventually be a gcc47 in EPEL or some other repository that may help the situation. -- Matt Phelps System Administrator, Computation Facility Harvard - Smithsonian Center for Astrophysics mphe...@cfa.harvard.edu, http://www.cfa.harvard.edu ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] X11 connection rejected because of wrong authentication
On 25 November 2013 11:15, Timothy Murphy wrote: > James Hogarth wrote: > > >> I'd like to run SELinux on my CentOS server in enforcing mode, > >> but I get the above message when I run sealert. > >> I assume this is because I am accessing the server from my laptop? > .. > >> Am I right in thinking the message arises from my remote connection? > >> And if so, is there a simple solution? > > > Too little information at present to tell. > > > > Does it work if the system is in permissive? > > The CentOS server is running with SELinux in permissive mode. > I would prefer to run it in enforcing mode, > and to that end would like to solve the problem above. > > Just to be clear - does it work (X forwarding) as it is now with the system in permissive mode ... Does it only fail after you go setenforce 1 ? ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] Google Chrome
On Mon, Nov 25, 2013 at 08:07:21AM -0500, Phelps, Matt wrote: > > I was hoping there would eventually be a gcc47 in EPEL or some other > repository that may help the situation. gcc47 is available in devtools-1.1 (not out of testing) gcc48 will be available in devtools-2.0 Cheers, Tru -- Tru Huynh (mirrors, CentOS i386/x86_64 Package Maintenance) http://pgp.mit.edu:11371/pks/lookup?op=get&search=0xBEFA581B pgph0PxceMfdA.pgp Description: PGP signature ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] X11 connection rejected because of wrong authentication
On Sun, November 24, 2013 20:08, Timothy Murphy wrote: > I'd like to run SELinux on my CentOS server in enforcing mode, > but I get the above message when I run sealert. > I assume this is because I am accessing the server from my laptop? > > In any case, I googled for the message, > and this threw up dozens of similar queries over many years. > Most of the ones I read offered methods of avoiding the problem > rather than solving it. > > Am I right in thinking the message arises from my remote connection? Yes. It arises from your ssh connection. You are probably using the -Y or -X option with xauth. > And if so, is there a simple solution? Perhaps. The error you have is caused by one of two things: 1. incorrect SELinux settings on the ~/.Xauthority file or your home directory. Run restorcon -vR ~ to fix those. 2. incorrect ownership or permissions on ~/.Xauthority. The second condition can also be triggered by logging in via ssh as one user and su -l to another on the remote host. In my case I find that the second circumstance is the most frequent cause of the exact error you report. HTH -- *** E-Mail is NOT a SECURE channel *** James B. Byrnemailto:byrn...@harte-lyne.ca Harte & Lyne Limited http://www.harte-lyne.ca 9 Brockley Drive vox: +1 905 561 1241 Hamilton, Ontario fax: +1 905 561 0757 Canada L8E 3C3 ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] X11 connection rejected because of wrong authentication
-BEGIN PGP SIGNED MESSAGE- Hash: SHA1 On 11/25/2013 08:50 AM, James B. Byrne wrote: > > On Sun, November 24, 2013 20:08, Timothy Murphy wrote: >> I'd like to run SELinux on my CentOS server in enforcing mode, but I get >> the above message when I run sealert. I assume this is because I am >> accessing the server from my laptop? >> >> In any case, I googled for the message, and this threw up dozens of >> similar queries over many years. Most of the ones I read offered methods >> of avoiding the problem rather than solving it. >> >> Am I right in thinking the message arises from my remote connection? > > Yes. It arises from your ssh connection. You are probably using the -Y or > -X option with xauth. > > >> And if so, is there a simple solution? > > Perhaps. The error you have is caused by one of two things: 1. incorrect > SELinux settings on the ~/.Xauthority file or your home directory. Run > restorcon -vR ~ to fix those. 2. incorrect ownership or permissions on > ~/.Xauthority. > > The second condition can also be triggered by logging in via ssh as one > user and su -l to another on the remote host. In my case I find that the > second circumstance is the most frequent cause of the exact error you > report. > > HTH > > What AVC messages are you getting? -BEGIN PGP SIGNATURE- Version: GnuPG v1.4.15 (GNU/Linux) Comment: Using GnuPG with Thunderbird - http://www.enigmail.net/ iEYEARECAAYFAlKTVwYACgkQrlYvE4MpobPk+wCfdWhaWr9nWb9+qoPEndU2yfek iiwAnjJnV4j868i8g98SZt2sByxYIv72 =ur4z -END PGP SIGNATURE- ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] ltsp & Selinux
-BEGIN PGP SIGNED MESSAGE-
Hash: SHA1
On 11/25/2013 07:26 AM, Johan Vermeulen wrote:
> Hello All,
>
> I set up ltsp regulary, on Centos6 machines.
>
> This morning I have a Selinux problem that usualy does not occur: after
> setting everything up, the thinclients boot, but nobody can login.
>
> It only works after the command :
>
> # echo 0 > /selinux/enforce
>
> I tried this semanage command:
>
> # semanage fcontext -a -t bin_t /usr/bin/xauth
>
> but it makes no difference.
>
> The message I'm now seeing in /var/log/audit/audit.log :
>
> type=AVC msg=audit(1385112688.399:67769): avc: denied { write } for
> pid=8218 comm="xauth" name="caw" dev=md1 ino=262145
> scontext=unconfined_u:unconfined_r:xauth_t:s0-s0:c0.c1023
> tcontext=unconfined_u:object_r:home_root_t:s0 tclass=dir type=SYSCALL
> msg=audit(1385112688.399:67769): arch=c03e syscall=2 success=no
> exit=-13 a0=7fffdecf5c60 a1=c1 a2=180 a3=8 items=0 ppid=8217 pid=8218
> auid=500 uid=500 gid=500 euid=500 suid=500 fsuid=500 egid=500 sgid=500
> fsgid=500 tty=(none) ses=9 comm="xauth" exe="/usr/bin/xauth"
> subj=unconfined_u:unconfined_r:xauth_t:s0-s0:c0.c1023 key=(null)
>
> Can anybody help me overcome this without disabling Selinux?
>
> Many thanks. Greetings, J.
>
The problem here is the director caw is mislabeled.
restorecon -R -v /home
Should fix its label.
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Version: GnuPG v1.4.15 (GNU/Linux)
Comment: Using GnuPG with Thunderbird - http://www.enigmail.net/
iEYEARECAAYFAlKTV0IACgkQrlYvE4MpobOp1gCbBms5PWIKCeOKi5sbz28i8Pf7
ZNcAniJDr6h+ncJpkuMsa9qfVRwTAHaT
=67Mu
-END PGP SIGNATURE-
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Re: [CentOS] Google Chrome
On Sat, Nov 23, 2013 at 11:25 AM, Johnny Hughes wrote: > > BTW, I like chrome, so that is why I am trying to maintain this ... but > it is GOOGLE who is not maintaining the code to work on EL. > [snip] I appreciate your efforts on getting it working previously. At my office there are a bunch of Red Hat and CentOS desktop users. I can't imagine that we're that much different from a lot of other IT shops. Anyhoo, I'm building it via ChromeOS. Haven't gotten everything working yet, but my hope is to run it within a VM. It's a horrible kludge, but the alternative is to dispense with the Google versions of sync, documents, etc..That's looking a lot more attractive :D ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] ltsp & Selinux
> The message I'm now seeing in /var/log/audit/audit.log :
>
> type=AVC msg=audit(1385112688.399:67769): avc: denied { write } for
> pid=8218 comm="xauth" name="caw" dev=md1 ino=262145
> scontext=unconfined_u:unconfined_r:xauth_t:s0-s0:c0.c1023
> tcontext=unconfined_u:object_r:home_root_t:s0 tclass=dir
> type=SYSCALL msg=audit(1385112688.399:67769): arch=c03e syscall=2
> success=no exit=-13 a0=7fffdecf5c60 a1=c1 a2=180 a3=8 items=0 ppid=8217
> pid=8218 auid=500 uid=500 gid=500 euid=500 suid=500 fsuid=500 egid=500
> sgid=500 fsgid=500 tty=(none) ses=9 comm="xauth" exe="/usr/bin/xauth"
> subj=unconfined_u:unconfined_r:xauth_t:s0-s0:c0.c1023 key=(null)
You may try to add the following rules to your local policy, but do you
really need this? It seems like you shouldn't have any problems with
non-root accounts.
module local 1.0;
require {
type xauth_t;
type home_root_t;
class dir write;
}
#= xauth_t ==
# The source type 'xauth_t' can write to a 'dir' of the following
types:
# user_home_t, xauth_tmp_t, var_lib_t, xdm_var_run_t, admin_home_t,
user_home_dir_t, tmp_t, user_tmp_t, nx_server_var_lib_t, nfs_t
allow xauth_t home_root_t:dir write;
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[CentOS] Machine check events
On my new Haswell-based machines, I am occasionally seeing entries like the following in /var/log/messages: kernel: [Hardware Error]: Machine check events logged (I would not have even noticed them, except that they get flagged by logwatch.) These messages always occur alone, and don't seem to have a corresponding entry in any other log file in /var/log. How can I get more info about these messages? Thanks, -G. -- Glenn Eychaner (geycha...@lco.cl) Telescope Systems Programmer, Las Campanas Observatory ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] ltsp & Selinux
-BEGIN PGP SIGNED MESSAGE-
Hash: SHA1
On 11/25/2013 09:03 AM, ? wrote:
>> The message I'm now seeing in /var/log/audit/audit.log :
>>
>> type=AVC msg=audit(1385112688.399:67769): avc: denied { write } for
>> pid=8218 comm="xauth" name="caw" dev=md1 ino=262145
>> scontext=unconfined_u:unconfined_r:xauth_t:s0-s0:c0.c1023
>> tcontext=unconfined_u:object_r:home_root_t:s0 tclass=dir type=SYSCALL
>> msg=audit(1385112688.399:67769): arch=c03e syscall=2 success=no
>> exit=-13 a0=7fffdecf5c60 a1=c1 a2=180 a3=8 items=0 ppid=8217 pid=8218
>> auid=500 uid=500 gid=500 euid=500 suid=500 fsuid=500 egid=500 sgid=500
>> fsgid=500 tty=(none) ses=9 comm="xauth" exe="/usr/bin/xauth"
>> subj=unconfined_u:unconfined_r:xauth_t:s0-s0:c0.c1023 key=(null)
>
> You may try to add the following rules to your local policy, but do you
> really need this? It seems like you shouldn't have any problems with
> non-root accounts.
>
> module local 1.0;
>
> require { type xauth_t; type home_root_t; class dir write; }
>
> #= xauth_t == # The source type 'xauth_t' can
> write to a 'dir' of the following types: # user_home_t, xauth_tmp_t,
> var_lib_t, xdm_var_run_t, admin_home_t, user_home_dir_t, tmp_t, user_tmp_t,
> nx_server_var_lib_t, nfs_t
>
> allow xauth_t home_root_t:dir write;
>
>
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>
No this is not correct. The problem is the parent directory should be
user_home_dir_t not home_root_t.
restorecon -R -v /home
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Version: GnuPG v1.4.15 (GNU/Linux)
Comment: Using GnuPG with Thunderbird - http://www.enigmail.net/
iEYEARECAAYFAlKTWjoACgkQrlYvE4MpobPBXQCeMk2Fh5Wz09xbQLaeI/ePmbfz
6FAAn2Q5RQWELYrSpf9qsEbLCet7Uska
=wZPk
-END PGP SIGNATURE-
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Re: [CentOS] Finally.... CentOS on iMac core 2
On Sun, Nov 24, 2013 at 5:59 PM, Philip Manuel wrote: > > > - Original Message - > From: "Wes James" > To: "CentOS mailing list" > Sent: Saturday, 23 November, 2013 12:03:15 PM > Subject: [CentOS] Finally CentOS on iMac core 2 > > I've been trying several combinations of OSX, CentOS to try and get CentOS > installed on an old iMac. I finally first installed OS X, then installed > CentOS in the open space after OS X. With refit installed and selecting > CentOS, it starts booting but get a screen that a boot device can't e > found. So I then install Xubuntu with the option to replace OS X. After > Xbuntu is installed and then do a reboot the grub screen comes up and I can > now select CentOS and it will boot. > > Can someone explain why this is? I can't just install CentOS on the whole > disk, as I get the blinking mac disk with question mark. > > Thanks, > > -wes > > > this is due I believe due to the partitioning scheme of the iMac, using > GPT, and as grub does not support GPT partitions. you have to use grub2. > Hence, why xubuntu works. > > Oh. OK. I didn't realize CentOS wasn't using grub2. Are there any plans for CentOS to move to grub2? Thanks, -wes ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] died again
On Sun, 24 Nov 2013, John R Pierce wrote: > On 11/24/2013 9:45 PM, Michael Hennebry wrote: >> CentOS 6.4 died on me again. > > only time that has EVER happened to me, on dozens and dozens of systems, > has been when there's been a serious hardware problem. I really do not know whether to hope you are correct. On one hand a new computer would be expensive. On the other, if it's something else, my diagnostic skills are clearly not up to the task. -- Michael henne...@web.cs.ndsu.nodak.edu "On Monday, I'm gonna have to tell my kindergarten class, whom I teach not to run with scissors, that my fiance ran me through with a broadsword." -- Lily ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] Wrap around to first/last work space
On Mon, Nov 25, 2013 at 3:22 AM, James Pearson wrote: > Wes James wrote: > > Is there a way to get CentOS 6.4 to wrap from last to first or first to > > last workspace when moving with ctl-alt left/right arrow? I right > clicked > > on the workspace view at the bottom right and selected Preferences, but > > there are now options for that. > > We had to patch metacity to get this to work by default - the patch is > quite simple > > Let me know if you want the patch > > > > You mean you have a patch for metacity to allow compiz to work? It works in virtualbox? I'll try it. Thanks, -wes ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] ltsp & Selinux
Op 25-11-13 15:10, Daniel J Walsh schreef:
> -BEGIN PGP SIGNED MESSAGE-
> Hash: SHA1
>
> On 11/25/2013 09:03 AM, ? wrote:
>>> The message I'm now seeing in /var/log/audit/audit.log :
>>>
>>> type=AVC msg=audit(1385112688.399:67769): avc: denied { write } for
>>> pid=8218 comm="xauth" name="caw" dev=md1 ino=262145
>>> scontext=unconfined_u:unconfined_r:xauth_t:s0-s0:c0.c1023
>>> tcontext=unconfined_u:object_r:home_root_t:s0 tclass=dir type=SYSCALL
>>> msg=audit(1385112688.399:67769): arch=c03e syscall=2 success=no
>>> exit=-13 a0=7fffdecf5c60 a1=c1 a2=180 a3=8 items=0 ppid=8217 pid=8218
>>> auid=500 uid=500 gid=500 euid=500 suid=500 fsuid=500 egid=500 sgid=500
>>> fsgid=500 tty=(none) ses=9 comm="xauth" exe="/usr/bin/xauth"
>>> subj=unconfined_u:unconfined_r:xauth_t:s0-s0:c0.c1023 key=(null)
>> You may try to add the following rules to your local policy, but do you
>> really need this? It seems like you shouldn't have any problems with
>> non-root accounts.
>>
>> module local 1.0;
>>
>> require { type xauth_t; type home_root_t; class dir write; }
>>
>> #= xauth_t == # The source type 'xauth_t' can
>> write to a 'dir' of the following types: # user_home_t, xauth_tmp_t,
>> var_lib_t, xdm_var_run_t, admin_home_t, user_home_dir_t, tmp_t, user_tmp_t,
>> nx_server_var_lib_t, nfs_t
>>
>> allow xauth_t home_root_t:dir write;
>>
>>
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>>
> No this is not correct. The problem is the parent directory should be
> user_home_dir_t not home_root_t.
>
> restorecon -R -v /home
>
> -BEGIN PGP SIGNATURE-
> Version: GnuPG v1.4.15 (GNU/Linux)
> Comment: Using GnuPG with Thunderbird - http://www.enigmail.net/
>
> iEYEARECAAYFAlKTWjoACgkQrlYvE4MpobPBXQCeMk2Fh5Wz09xbQLaeI/ePmbfz
> 6FAAn2Q5RQWELYrSpf9qsEbLCet7Uska
> =wZPk
> -END PGP SIGNATURE-
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Hello All,
thanks for the replies.
I did test this with other then root user.
Trying with restorecon -R -v /home
output :
..
..
restorecon reset /home/avanbussel/data context
unconfined_u:object_r:home_root_t:s0->unconfined_u:object_r:user_home_t:s0
restorecon reset /home/avanbussel/.bashrc context
unconfined_u:object_r:home_root_t:s0->unconfined_u:object_r:user_home_t:s0
restorecon reset /home/avanbussel/.bash_logout context
unconfined_u:object_r:home_root_t:s0->unconfined_u:object_r:user_home_t:s0
The girls who work there will let me know soon enough if it ( doesn't )
works.
Greetings, J.
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Re: [CentOS] died again
On Mon, Nov 25, 2013 at 10:25 AM, Michael Hennebry wrote: > On Sun, 24 Nov 2013, John R Pierce wrote: > >> On 11/24/2013 9:45 PM, Michael Hennebry wrote: >>> CentOS 6.4 died on me again. >> >> only time that has EVER happened to me, on dozens and dozens of systems, >> has been when there's been a serious hardware problem. > > I really do not know whether to hope you are correct. > On one hand a new computer would be expensive. > On the other, if it's something else, > my diagnostic skills are clearly not up to the task. > Keep an eagle eye on dmesg and the logs. If you can, bring machine down and run memtest86 for a few hours (say, when you go to bed or is out partying). Also, *sometimes* the messages log might say something interesting. But I would start with dmesg. There are some HD tests you can make but honestly I can't pull them off the fuzzy mist that is my head. Hardware or software raid? > -- > Michael henne...@web.cs.ndsu.nodak.edu > "On Monday, I'm gonna have to tell my kindergarten class, > whom I teach not to run with scissors, > that my fiance ran me through with a broadsword." -- Lily > ___ > CentOS mailing list > CentOS@centos.org > http://lists.centos.org/mailman/listinfo/centos ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] ltsp & Selinux
> thanks for the replies. > > I did test this with other then root user. > > Trying with restorecon -R -v /home I was wrong. At least should have checked the labels before writing a quick response. ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] Finally.... CentOS on iMac core 2
On 11/25/2013 08:22, Wes James wrote: > Oh. OK. I didn't realize CentOS wasn't using grub2. Are there any plans > for CentOS to move to grub2? No. Upstream uses grub1, so CentOS uses grub1. Presumably RHEL7 will use grub2, but there's no good reason to hold your breath waiting for it. ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] Finally.... CentOS on iMac core 2
Wes James wrote: > On Sun, Nov 24, 2013 at 5:59 PM, Philip Manuel wrote: >> From: "Wes James" >> >> I've been trying several combinations of OSX, CentOS to try and get >> CentOS installed on an old iMac. I finally first installed OS X, then installed >> CentOS in the open space after OS X. With refit installed and selecting >> CentOS, it starts booting but get a screen that a boot device can't e >> found. So I then install Xubuntu with the option to replace OS X. After >> Xbuntu is installed and then do a reboot the grub screen comes up and I >> can now select CentOS and it will boot. >> >> Can someone explain why this is? I can't just install CentOS on the >> whole disk, as I get the blinking mac disk with question mark. >> >> this is due I believe due to the partitioning scheme of the iMac, using >> GPT, and as grub does not support GPT partitions. you have to use grub2. >> Hence, why xubuntu works. >> > Oh. OK. I didn't realize CentOS wasn't using grub2. Are there any plans > for CentOS to move to grub2? a) Not unless or until upstream goes that way. b) I dealt with grub2 while fighting an FC19 workstation (that I wound up moving to CentOS). *G*R*U*B*2* MUST DIE!! mark ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] died again
Michael Hennebry wrote: > On Sun, 24 Nov 2013, John R Pierce wrote: >> On 11/24/2013 9:45 PM, Michael Hennebry wrote: >>> CentOS 6.4 died on me again. >> >> only time that has EVER happened to me, on dozens and dozens of systems, >> has been when there's been a serious hardware problem. > > I really do not know whether to hope you are correct. > On one hand a new computer would be expensive. > On the other, if it's something else, > my diagnostic skills are clearly not up to the task. > What kind of m/b is this, and what are you running on it? We've had that happen occasionally on the 48 and 64 core Penguins, which are all Supermicro... and we've had to send a number of them back for repair under warranty, including some several times. Supermicro seems to be a bit light on the concept of q/a q/c mark ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
[CentOS] partitionless installation
Hello All! I have a lot of virtual machines with KVM hypervizor. For VM's disks I use LVM Volumes. It's more suitable to install virtual machines direct to the LV-volumes without making partition tables inside the LV. In this case it is very simple to perform online-resizing and mount snapshots in host system to perform backups. So, my question is: Is it possible to install CentOS 6 without disk partitioning? -- With best regards, Khalezov Ivan ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] partitionless installation
P.S. At this time my host OS and virtual machines (guests) are ubuntu 12.04. Also I want to have some virtual machines running CentOS 6 On 25.11.2013 20:28, Халезов Иван wrote: > Hello All! > > I have a lot of virtual machines with KVM hypervizor. For VM's disks I > use LVM Volumes. It's more suitable to install virtual machines direct > to the LV-volumes without making partition tables inside the LV. In > this case it is very simple to perform online-resizing and mount > snapshots in host system to perform backups. > > So, my question is: > > Is it possible to install CentOS 6 without disk partitioning? > -- С уважением, Халезов Иван Системный администратор, отдел разработки ПО НП РТС ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] died again
On Mon, 25 Nov 2013, Mauricio Tavares wrote: > On Mon, Nov 25, 2013 at 10:25 AM, Michael Hennebry > wrote: >> On Sun, 24 Nov 2013, John R Pierce wrote: >> >>> On 11/24/2013 9:45 PM, Michael Hennebry wrote: CentOS 6.4 died on me again. >>> >>> only time that has EVER happened to me, on dozens and dozens of systems, >>> has been when there's been a serious hardware problem. >> >> I really do not know whether to hope you are correct. >> On one hand a new computer would be expensive. >> On the other, if it's something else, >> my diagnostic skills are clearly not up to the task. >> > Keep an eagle eye on dmesg and the logs. If you can, bring > machine down and run memtest86 for a few hours (say, when you go to I've run the memory test that comes with the Fedora 13 install disk. My computer's memory got a clean bill of health. To me, neither dmesg nor Xorg.0.log says anything interesting. > bed or is out partying). Also, *sometimes* the messages log might say > something interesting. But I would start with dmesg. Thank you for the reminder. It does. Nov 25 09:47:22 localhost abrtd: Sending an email... Nov 25 09:47:22 localhost abrtd: Email was sent to: root@localhost Nov 25 09:47:24 localhost abrtd: Duplicate: UUID Nov 25 09:47:24 localhost abrtd: DUP_OF_DIR: /var/spool/abrt/ccpp-2013-11-25-09:46:10-7871 Nov 25 09:47:24 localhost abrtd: Corrupted or bad directory '/var/spool/abrt/ccpp-2013-11-25-09:46:55-8008', deleting Nov 25 09:47:26 localhost abrtd: Directory 'ccpp-2013-11-25-09:47:25-8243' creation detected Nov 25 09:47:26 localhost abrt[8445]: Saved core dump of pid 8243 (/usr/bin/kdeinit4) to /var/spool/abrt/ccpp-2013-11-25-09:47:25-8243 (78938112 bytes) Nov 25 09:47:52 localhost abrtd: Sending an email... Nov 25 09:47:52 localhost abrtd: Email was sent to: root@localhost Nov 25 09:47:53 localhost abrtd: Duplicate: UUID Nov 25 09:47:53 localhost abrtd: DUP_OF_DIR: /var/spool/abrt/ccpp-2013-11-25-09:46:10-7871 Nov 25 09:47:53 localhost abrtd: Corrupted or bad directory '/var/spool/abrt/ccpp-2013-11-25-09:47:25-8243', deleting Nov 25 10:04:58 localhost ntpd[2077]: time reset +0.288044 s I ran this for F in /dev/sd??* ; do ( tune2fs -l $F ; echo $F ) | grep -e dev -e UUID ; done | tee /tmp/tune2fs.txt to check for duplicate UUIDs. I used sort and my eyeballs to check. There weren't any. The hard drive in use is newer than the motherboard, but older than the video card. I zapped the first video card installing the new hard drive. The second one seemed to die on its own. > There are some HD tests you can make but honestly I can't pull them > off the fuzzy mist that is my head. Hardware or software raid? No raid. -- Michael henne...@web.cs.ndsu.nodak.edu "On Monday, I'm gonna have to tell my kindergarten class, whom I teach not to run with scissors, that my fiance ran me through with a broadsword." -- Lily ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] Wrap around to first/last work space
Wes James wrote: > > You mean you have a patch for metacity to allow compiz to work? It works > in virtualbox? No, I have simple patch to allow metacity to wrap workspaces (nothing to do with compiz) James Pearson ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] Wrap around to first/last work space
On Mon, Nov 25, 2013 at 9:50 AM, James Pearson wrote: > Wes James wrote: > > > > You mean you have a patch for metacity to allow compiz to work? It works > > in virtualbox? > > No, I have simple patch to allow metacity to wrap workspaces (nothing to > do with compiz) > > James Pearson > > > I'd be fine with trying it. Thanks, -wes ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] died again
On Mon, Nov 25, 2013 at 10:45 AM, Michael Hennebry wrote: > >> Keep an eagle eye on dmesg and the logs. If you can, bring >> machine down and run memtest86 for a few hours (say, when you go to > > I've run the memory test that comes with the Fedora 13 install disk. > My computer's memory got a clean bill of health. I've seen a machine where it took 3+ days of running memtest86 to catch the error. And then after replacing the RAM, the machine still crashed occasionally. Turned out the software RAID1 mirrors had mismatching contents caused by the bad RAM and even though it would check clean, sometimes the read would come from the other mirror. After fixing that, the server has run for years. But in general, I always suspect power supplies first for mysterious crashes. -- Les Mikesell lesmikes...@gmail.com ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] died again
On Mon, Nov 25, 2013 at 11:45 AM, Michael Hennebry wrote: > On Mon, 25 Nov 2013, Mauricio Tavares wrote: > >> On Mon, Nov 25, 2013 at 10:25 AM, Michael Hennebry >> wrote: >>> On Sun, 24 Nov 2013, John R Pierce wrote: >>> On 11/24/2013 9:45 PM, Michael Hennebry wrote: > CentOS 6.4 died on me again. only time that has EVER happened to me, on dozens and dozens of systems, has been when there's been a serious hardware problem. >>> >>> I really do not know whether to hope you are correct. >>> On one hand a new computer would be expensive. >>> On the other, if it's something else, >>> my diagnostic skills are clearly not up to the task. >>> >> Keep an eagle eye on dmesg and the logs. If you can, bring >> machine down and run memtest86 for a few hours (say, when you go to > > I've run the memory test that comes with the Fedora 13 install disk. > My computer's memory got a clean bill of health. > To me, neither dmesg nor Xorg.0.log says anything interesting. > >> bed or is out partying). Also, *sometimes* the messages log might say >> something interesting. But I would start with dmesg. > > Thank you for the reminder. It does. > > Nov 25 09:47:22 localhost abrtd: Sending an email... > Nov 25 09:47:22 localhost abrtd: Email was sent to: root@localhost > Nov 25 09:47:24 localhost abrtd: Duplicate: UUID > Nov 25 09:47:24 localhost abrtd: DUP_OF_DIR: > /var/spool/abrt/ccpp-2013-11-25-09:46:10-7871 > Nov 25 09:47:24 localhost abrtd: Corrupted or bad directory > '/var/spool/abrt/ccpp-2013-11-25-09:46:55-8008', deleting > Nov 25 09:47:26 localhost abrtd: Directory 'ccpp-2013-11-25-09:47:25-8243' > creation detected > Nov 25 09:47:26 localhost abrt[8445]: Saved core dump of pid 8243 > (/usr/bin/kdeinit4) to /var/spool/abrt/ccpp-2013-11-25-09:47:25-8243 > (78938112 bytes) So abrt is having enough issues to spit out a core dump. Since it watches when other applications crash, it might be worth investigating that. > Nov 25 09:47:52 localhost abrtd: Sending an email... > Nov 25 09:47:52 localhost abrtd: Email was sent to: root@localhost > Nov 25 09:47:53 localhost abrtd: Duplicate: UUID > Nov 25 09:47:53 localhost abrtd: DUP_OF_DIR: > /var/spool/abrt/ccpp-2013-11-25-09:46:10-7871 > Nov 25 09:47:53 localhost abrtd: Corrupted or bad directory > '/var/spool/abrt/ccpp-2013-11-25-09:47:25-8243', deleting > Nov 25 10:04:58 localhost ntpd[2077]: time reset +0.288044 s > > I ran this > for F in /dev/sd??* ; do ( tune2fs -l $F ; echo $F ) | grep -e dev -e UUID ; > done | tee /tmp/tune2fs.txt > to check for duplicate UUIDs. I used sort and my eyeballs to check. > There weren't any. > The hard drive in use is newer than the motherboard, > but older than the video card. > I zapped the first video card installing the new hard drive. > The second one seemed to die on its own. > >> There are some HD tests you can make but honestly I can't pull them >> off the fuzzy mist that is my head. Hardware or software raid? > > No raid. > K. Anything interesting from smartctl? Have you used bonnie++ before? I think if you run it in a window/screen and then keep an eye on dmesg you might find issues on the HD. > -- > Michael henne...@web.cs.ndsu.nodak.edu > "On Monday, I'm gonna have to tell my kindergarten class, > whom I teach not to run with scissors, > that my fiance ran me through with a broadsword." -- Lily > ___ > CentOS mailing list > CentOS@centos.org > http://lists.centos.org/mailman/listinfo/centos ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] died again
On Mon, 25 Nov 2013, m.r...@5-cent.us wrote: > Michael Hennebry wrote: >> On Sun, 24 Nov 2013, John R Pierce wrote: >>> On 11/24/2013 9:45 PM, Michael Hennebry wrote: CentOS 6.4 died on me again. >>> >>> only time that has EVER happened to me, on dozens and dozens of systems, >>> has been when there's been a serious hardware problem. >> >> I really do not know whether to hope you are correct. >> On one hand a new computer would be expensive. >> On the other, if it's something else, >> my diagnostic skills are clearly not up to the task. >> > What kind of m/b is this, and what are you running on it? We've had that > happen occasionally on the 48 and 64 core Penguins, which are all The computer is a DakTEch Freedom 4 P4 DDR System. The system board is a D865GBFL w/LAN,audio & video Processor Intel Pentium 4 3.2 Ghz 800FSB I got it in 2006. I switched to CentOS because Fedora will not install on it any more. Fedora 14 is the last I was able to install. Installation has almost always been a tremendous hassle for me, so I've usually not gone with the latest and greatest until my current nears EOL. I've read that a kernel bug is the reason that I could not install F16. Supposedly it had been fixed by F17, but no go. -- Michael henne...@web.cs.ndsu.nodak.edu "On Monday, I'm gonna have to tell my kindergarten class, whom I teach not to run with scissors, that my fiance ran me through with a broadsword." -- Lily ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] partitionless installation
On Mon, Nov 25, 2013 at 11:34 AM, Халезов Иван wrote: > P.S. At this time my host OS and virtual machines (guests) are ubuntu > 12.04. Also I want to have some virtual machines running CentOS 6 > > On 25.11.2013 20:28, Халезов Иван wrote: > > Hello All! > > > > I have a lot of virtual machines with KVM hypervizor. For VM's disks I > > use LVM Volumes. It's more suitable to install virtual machines direct > > to the LV-volumes without making partition tables inside the LV. In > > this case it is very simple to perform online-resizing and mount > > snapshots in host system to perform backups. > > > > So, my question is: > > > > Is it possible to install CentOS 6 without disk partitioning? > > > Not possible with grub1 (legacy grub). Grub1 doesn't support booting off LVM, so you'll have to have a separate /boot partition. If grub2 were available in CentOS 6 (and it isn't - rumors are maybe in EL7) then it would be possible to have /boot reside on LVM. Some time ago I set up a system without a separate /boot partition on LVM with grub2 using Debian (I did the same with a Fedora system since). I don't see an issue with having a separate statically sized /boot partition. 100MB for CentOS 5 and 512MB or so for CentOS 6. Besides, what is on /boot that really needs to be backed up? Probably not much of anything that's different from any other system. > > > -- > С уважением, > Халезов Иван > Системный администратор, отдел разработки ПО > НП РТС > > ___ > CentOS mailing list > CentOS@centos.org > http://lists.centos.org/mailman/listinfo/centos > -- ---~~.~~--- Mike // SilverTip257 // ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
[CentOS] intel
I am in the process of getting multiple Desktops to run linuxfor Research and Development, at the moment am comparing the following intel chipset H81, Q87, Q77, H61...What is the difference?What would be best performance issue? ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] partitionless installation
I think you are asking if it is possible to install centos virtual machines without partitioning its LVM block device. I think you do not want to use any partitioning or LVM within your virtual machine? Yes, this is possible however it is annoying to make work as, iirc, the anaconda installer requires partitions. It will not install on a raw block device. People have made this work however but I am unsure how. What will you do about a swap partition? On 25 November 2013 16:28, Халезов Иван wrote: > Hello All! > > I have a lot of virtual machines with KVM hypervizor. For VM's disks I > use LVM Volumes. It's more suitable to install virtual machines direct > to the LV-volumes without making partition tables inside the LV. In > this case it is very simple to perform online-resizing and mount > snapshots in host system to perform backups. > > So, my question is: > > Is it possible to install CentOS 6 without disk partitioning? > > -- > With best regards, > Khalezov Ivan > > ___ > CentOS mailing list > CentOS@centos.org > http://lists.centos.org/mailman/listinfo/centos ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] intel
http://ark.intel.com/compare/52806,64027,75007,75016 Does this comparison tool help? On 25 November 2013 17:54, madu...@gmail.com wrote: > I am in the process of getting multiple Desktops to run linuxfor Research > and Development, at the moment am comparing the following intel chipset > H81, Q87, Q77, H61...What is the difference?What would be best performance > issue? > ___ > CentOS mailing list > CentOS@centos.org > http://lists.centos.org/mailman/listinfo/centos ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] died again
On 11/25/2013 8:58 AM, Michael Hennebry wrote: > The computer is a DakTEch Freedom 4 P4 DDR System. > The system board is a D865GBFL w/LAN,audio & video > Processor Intel Pentium 4 3.2 Ghz 800FSB > I got it in 2006. its past the age where components are starting to fail. I'd suspect the capacitors on the mainboard, power supply, the DC DC regulators that supply the CPU power, etc etc. I've found over the years most electronics stuff has a half life of 5 years (half of it fails in 5 years). -- john r pierce 37N 122W somewhere on the middle of the left coast ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] intel
On 11/25/2013 9:54 AM, madu...@gmail.com wrote: > I am in the process of getting multiple Desktops to run linuxfor Research > and Development, at the moment am comparing the following intel chipset > H81, Q87, Q77, H61...What is the difference?What would be best performance > issue? the ?8? chipsets are current, for the Haswell family processors (core I?-4???). The ?7? chips are for the prior Ivy Bridge, core i?-3???. I believe the 6 is for the Sandy Bridge, a couple years ago, core i?-xxx (3 digit numbers). My Ivy Bridge Core I5-3670 is in a Z77 based motherboard. the Zxx chipsets are the top line, have the best performance, and most ports and features. The H and Q are budget/economy versions, with fewer IO channels, lower performance. -- john r pierce 37N 122W somewhere on the middle of the left coast ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] died again
Michael Hennebry wrote: > On Mon, 25 Nov 2013, m.r...@5-cent.us wrote: > >> Michael Hennebry wrote: >>> On Sun, 24 Nov 2013, John R Pierce wrote: On 11/24/2013 9:45 PM, Michael Hennebry wrote: > CentOS 6.4 died on me again. only time that has EVER happened to me, on dozens and dozens of systems, has been when there's been a serious hardware problem. >>> >>> I really do not know whether to hope you are correct. >>> On one hand a new computer would be expensive. >>> On the other, if it's something else, >>> my diagnostic skills are clearly not up to the task. >>> >> What kind of m/b is this, and what are you running on it? We've had that >> happen occasionally on the 48 and 64 core Penguins, which are all > > The computer is a DakTEch Freedom 4 P4 DDR System. > The system board is a D865GBFL w/LAN,audio & video > Processor Intel Pentium 4 3.2 Ghz 800FSB > I got it in 2006. It is getting long in the tooth. (I'm about to replace my m/b of the same vintage at home.) Interesting thought: if you go into the BIOS, there's no system event log, is there? That's normally a server thing, but who knows I can't imagine how you killed a video card by installing a hard drive. Next question: is the system in a room with HVAC? Have you tried opening it up, and vacuuming dust out of the power supply and anywhere else (like the video card)? I remember seeing a picture online a few years ago, where someone cut open a power supply, and found a lizard, too large to get out mark ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] intel
Can I say H61 < Q77 < Q87 < H81 ? On Mon, Nov 25, 2013 at 9:24 PM, John R Pierce wrote: > On 11/25/2013 9:54 AM, madu...@gmail.com wrote: > > I am in the process of getting multiple Desktops to run linuxfor Research > > and Development, at the moment am comparing the following intel chipset > > H81, Q87, Q77, H61...What is the difference?What would be best > performance > > issue? > > the ?8? chipsets are current, for the Haswell family processors (core > I?-4???). The ?7? chips are for the prior Ivy Bridge, core i?-3???. > I believe the 6 is for the Sandy Bridge, a couple years ago, core i?-xxx > (3 digit numbers). My Ivy Bridge Core I5-3670 is in a Z77 based > motherboard. > > the Zxx chipsets are the top line, have the best performance, and most > ports and features. The H and Q are budget/economy versions, with > fewer IO channels, lower performance. > > > > -- > john r pierce 37N 122W > somewhere on the middle of the left coast > > ___ > CentOS mailing list > CentOS@centos.org > http://lists.centos.org/mailman/listinfo/centos > ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] intel
On 11/25/2013 10:49 AM, madu...@gmail.com wrote: > Can I say H61 < Q77 < Q87 < H81 ? kinda hard to compare apples and pomegranates. FIRST, choose your CPU, *THEN* compare the chipsets that will work with it.If you're buying tires for a 2013 Mercedes, there's little point at looking at sports car tires that fit a 20 year old Miata. and I don't know offhand which end H and Q are, but the chart Andrew linked shows the Q87 has more SATA and USB ports, and pci express lanes, vs the budget H81, so I'd say H81http://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] died again
On Mon, 25 Nov 2013, m.r...@5-cent.us wrote: > Michael Hennebry wrote: >> The computer is a DakTEch Freedom 4 P4 DDR System. >> The system board is a D865GBFL w/LAN,audio & video >> Processor Intel Pentium 4 3.2 Ghz 800FSB >> I got it in 2006. > > It is getting long in the tooth. (I'm about to replace my m/b of the same > vintage at home.) > > Interesting thought: if you go into the BIOS, there's no system event log, > is there? That's normally a server thing, but who knows I've never seen anything there that looked like any kind of a log. > I can't imagine how you killed a video card by installing a hard drive. I suppose static. > Next question: is the system in a room with HVAC? Have you tried opening > it up, and vacuuming dust out of the power supply and anywhere else (like > the video card)? No and no. It's in my house in a bedroom I use for an office. Residential AC through a power strip/surge protector. I suppose I could try dust-busting. Might be able to do it without zapping anything. > I remember seeing a picture online a few years ago, where someone cut open > a power supply, and found a lizard, too large to get out The five year half life-someone mentioned is scary. I'm going to be off-line for a while. Duty calls. -- Michael henne...@web.cs.ndsu.nodak.edu "On Monday, I'm gonna have to tell my kindergarten class, whom I teach not to run with scissors, that my fiance ran me through with a broadsword." -- Lily ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] partitionless installation
On 11/26/2013 05:28 AM, Халезов Иван wrote: > > Is it possible to install CentOS 6 without disk partitioning? Yes, it is, but there are a couple of caveats: 1. You can't use anaconda to do so directly. 2. You can't boot through grub (as someone else pointed out). You can boot the kernel directly or boot through something similar to grub, such as pvgrub (for Xen, which I know from experience works with this type of setup). I know of two different ways to do it. The first way is to just do a regular install to a partitioned image with anaconda, then you can copy the whole thing over to a non-partitioned filesystem. The second way is to use yum. You would have to find a yum package that runs in ubuntu, then use yum with the --config (for a custom config file to point to the CentOS repos) and --installroot (to point to your mounted filesystem, instead of the root of the current host system), and do something like this: yum --config=centos6.conf --installroot=/path/to/mountpoint groupinstall core Then you can chroot into the new fs (after bind mounting /proc /sys and /dev) and set your root password, edit your network config (/etc/sysconfig/network-scripts files) yum install any other packages you want, and so on. I recommend that for either method you choose, when yo've tweaked it how you like for a basic VM, you tarball all the files up and use it as a template for future installs. For swap you can either pass in a second block device or use a swap file (I use a swap file and it works just fine). Peter ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
[CentOS] Captive Portal
Hi All, I'm trying to set up a Captive Portal using a Centos6 box. I've been experimenting with WiFiDog but it looks like development has faltered and I'm chasing my tail getting all the bits of PHP together for it to run. Some bits I've got look like Alpha code. What I'm trying to accomplish is a a simple firewall type system for a public WiFi, that redirects users to a Web page when they first connect, accepts some credentials such as an e-mail address and allows them access to the 'net. Other features like limiting the volume of download and some kind of porn filter would be good. Anyone doing anything like this care to share what they use. Many thanks Ken -- This message has been scanned for viruses and dangerous content by MailScanner, and is believed to be clean. ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] CentOS 6 : Network Interface Naming
/etc/udev/rules.d/70-persistent-net.rules is your friend the device names defined in there are set nice and early during boot, well before any ifcfg scripts K Kahlil (Kal) Hodgson GPG: C9A02289 Head of Technology (m) +61 (0) 4 2573 0382 DealMax Pty Ltd(w) +61 (0) 3 9008 5281 Suite 1415 401 Docklands Drive Docklands VIC 3008 Australia "All parts should go together without forcing. You must remember that the parts you are reassembling were disassembled by you. Therefore, if you can't get them together again, there must be a reason. By all means, do not use a hammer." -- IBM maintenance manual, 1925 On 16 November 2013 10:12, SilverTip257 wrote: > On Fri, Nov 15, 2013 at 2:33 PM, Scott Robbins wrote: > >> On Fri, Nov 15, 2013 at 01:50:18PM -0500, SilverTip257 wrote: >> > Hello All, >> > >> > I have one CentOS 6 KVM virtualization server that I built around a year >> > ago (best I can tell it was in October 2012) at which time I would have >> > been installing 6.3 [0]. That particular install used the Consistent >> > Network Device Naming [1] conventions (PCIe NICs are p1p1, p1p2). >> >> This regression is a combo RedHat/Dell idea, IIRC. That may be why it's >> that way on a Dell machine. On Fedora, which usually shows what new >> regressions will be in RH, it's gotten harder to fix with each iteration. >> >> To make it worse, at least on Fedora (and again, many of their ideas, >> whether good or bad for servers, get into RedHat) has apparently now been >> intertwined with systemd. At first, one simply had to remove the >> biosdevnames rpm to fix it. Now, one has to do that, and also add, (in >> Fedora, with grub2) net.ifnames=0 to the kernel line. (Note that this was >> for Fedora 19, not sure if they at least removed biosdevnames in F20). >> > > I'm not tied to wanting my network interfaces to be ethX. > Once my servers are configured, I'm generally not changing anything, so for > all it matters they could be called wan0, etc. > > I actually think some of the conventions are worthwhile (ex: em for > embedded, pXpY for PCI cards - I've not seen any others on Fedora/CentOS). > I believe embedded NIC naming on Dell hw starts with em1 rather than em0 > which is odd (we start counting at zero!). > > >> >> To make it even more of a mess, (again, this is judging from Fedora, which >> is good to keep on hand to see what new decisions good and bad will be made >> by RH), I think biosdevnames gave it one name and then the whole systemd >> thing gave it another. So, it would boot up as say p12p but in >> /etc/sysconfig/network-scripts it would show up as ifcfg-p1p2p or something >> like that. (I'm making these names up, but that was the general idea.) >> > > I did see something similar to this, I believe it was on a Fedora system I > was using for testing ... I don't recall which release though. > > RHEL7 ought to have some "Easter eggs" for us. ;) > > >> >> Some people consider it a good thing, especially when moving drives between >> machines, but aside from it being something new, which isn't necessarily >> improved, it breaks various working scripts. >> >> Like you, I consider it a regression, but of course, that's only my >> opinion, and many experienced folks disagree, thinking it's a good >> thing--although I'm sure that even they would agree that they better figure >> out if biosdevname or something else will be handling it so that it is at >> least consistent. >> > > I'm not calling the biosdevname conventions a regression. > But what I am calling a regression is all the flip flopping between the old > convention and the new one, especially on two nearly identical hardware > builds and OS builds for that matter. > > >> >> Actually, I think (but am not sure, that in VMs, even Fedora will use the >> eth0, eth1 system rather than the new naming scheme. Not just KVM, but >> also VirtualBox, VMware, and so on--that has been my experience with CentOS >> VMs at least. >> >> -- >> Scott Robbins >> PGP keyID EB3467D6 >> ( 1B48 077D 66F6 9DB0 FDC2 A409 FA54 EB34 67D6 ) >> gpg --keyserver pgp.mit.edu --recv-keys EB3467D6 >> >> ___ >> CentOS mailing list >> CentOS@centos.org >> http://lists.centos.org/mailman/listinfo/centos >> > > > > -- > ---~~.~~--- > Mike > // SilverTip257 // > ___ > CentOS mailing list > CentOS@centos.org > http://lists.centos.org/mailman/listinfo/centos ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] CentOS 6 : Network Interface Naming
On Mon, Nov 25, 2013 at 4:08 PM, Kahlil Hodgson wrote: > /etc/udev/rules.d/70-persistent-net.rules is your friend > > the device names defined in there are set nice and early during boot, > well before any ifcfg scripts If you clone a multi-homed KVM guest or copy the underlying disk image, is there some way to tie the interface names on the guest to the same host bridge devices (or at least something known) so you'll know which ifcfg-* file gets which address? -- Les Mikesell lesmikes...@gmail.com ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] CentOS 6 : Network Interface Naming
On Mon, Nov 25, 2013 at 5:08 PM, Kahlil Hodgson < kahlil.hodg...@dealmax.com.au> wrote: > /etc/udev/rules.d/70-persistent-net.rules is your friend > > the device names defined in there are set nice and early during boot, > well before any ifcfg scripts > Precisely. Something changed between 6.3 and 6.4 and devices reverted from pXpY to ethX naming conventions. In the past I've modified the persistent net rules as necessary. Thanks. > > K > > Kahlil (Kal) Hodgson GPG: C9A02289 > Head of Technology (m) +61 (0) 4 2573 0382 > DealMax Pty Ltd(w) +61 (0) 3 9008 5281 > > Suite 1415 > 401 Docklands Drive > Docklands VIC 3008 Australia > > "All parts should go together without forcing. You must remember that > the parts you are reassembling were disassembled by you. Therefore, > if you can't get them together again, there must be a reason. By all > means, do not use a hammer." -- IBM maintenance manual, 1925 > > > > On 16 November 2013 10:12, SilverTip257 wrote: > > On Fri, Nov 15, 2013 at 2:33 PM, Scott Robbins > wrote: > > > >> On Fri, Nov 15, 2013 at 01:50:18PM -0500, SilverTip257 wrote: > >> > Hello All, > >> > > >> > I have one CentOS 6 KVM virtualization server that I built around a > year > >> > ago (best I can tell it was in October 2012) at which time I would > have > >> > been installing 6.3 [0]. That particular install used the Consistent > >> > Network Device Naming [1] conventions (PCIe NICs are p1p1, p1p2). > >> > >> This regression is a combo RedHat/Dell idea, IIRC. That may be why it's > >> that way on a Dell machine. On Fedora, which usually shows what new > >> regressions will be in RH, it's gotten harder to fix with each > iteration. > >> > >> To make it worse, at least on Fedora (and again, many of their ideas, > >> whether good or bad for servers, get into RedHat) has apparently now > been > >> intertwined with systemd. At first, one simply had to remove the > >> biosdevnames rpm to fix it. Now, one has to do that, and also add, (in > >> Fedora, with grub2) net.ifnames=0 to the kernel line. (Note that this > was > >> for Fedora 19, not sure if they at least removed biosdevnames in F20). > >> > > > > I'm not tied to wanting my network interfaces to be ethX. > > Once my servers are configured, I'm generally not changing anything, so > for > > all it matters they could be called wan0, etc. > > > > I actually think some of the conventions are worthwhile (ex: em for > > embedded, pXpY for PCI cards - I've not seen any others on > Fedora/CentOS). > > I believe embedded NIC naming on Dell hw starts with em1 rather than em0 > > which is odd (we start counting at zero!). > > > > > >> > >> To make it even more of a mess, (again, this is judging from Fedora, > which > >> is good to keep on hand to see what new decisions good and bad will be > made > >> by RH), I think biosdevnames gave it one name and then the whole systemd > >> thing gave it another. So, it would boot up as say p12p but in > >> /etc/sysconfig/network-scripts it would show up as ifcfg-p1p2p or > something > >> like that. (I'm making these names up, but that was the general idea.) > >> > > > > I did see something similar to this, I believe it was on a Fedora system > I > > was using for testing ... I don't recall which release though. > > > > RHEL7 ought to have some "Easter eggs" for us. ;) > > > > > >> > >> Some people consider it a good thing, especially when moving drives > between > >> machines, but aside from it being something new, which isn't necessarily > >> improved, it breaks various working scripts. > >> > >> Like you, I consider it a regression, but of course, that's only my > >> opinion, and many experienced folks disagree, thinking it's a good > >> thing--although I'm sure that even they would agree that they better > figure > >> out if biosdevname or something else will be handling it so that it is > at > >> least consistent. > >> > > > > I'm not calling the biosdevname conventions a regression. > > But what I am calling a regression is all the flip flopping between the > old > > convention and the new one, especially on two nearly identical hardware > > builds and OS builds for that matter. > > > > > >> > >> Actually, I think (but am not sure, that in VMs, even Fedora will use > the > >> eth0, eth1 system rather than the new naming scheme. Not just KVM, but > >> also VirtualBox, VMware, and so on--that has been my experience with > CentOS > >> VMs at least. > >> > >> -- > >> Scott Robbins > >> PGP keyID EB3467D6 > >> ( 1B48 077D 66F6 9DB0 FDC2 A409 FA54 EB34 67D6 ) > >> gpg --keyserver pgp.mit.edu --recv-keys EB3467D6 > >> > >> ___ > >> CentOS mailing list > >> CentOS@centos.org > >> http://lists.centos.org/mailman/listinfo/centos > >> > > > > > > > > -- > > ---~~.~~--- > > Mike > > // SilverTip257 // > > ___ > > CentOS mailing list > > Cen
Re: [CentOS] Captive Portal
On Mon, Nov 25, 2013 at 3:35 PM, Ken Smith wrote: > Hi All, I'm trying to set up a Captive Portal using a Centos6 box. I've > been experimenting with WiFiDog but it looks like development has > faltered and I'm chasing my tail getting all the bits of PHP together > for it to run. Some bits I've got look like Alpha code. > NoCatSplash http://sourceforge.net/projects/nocatsplash/ CoovaChilli http://coova.org/CoovaChilli > > What I'm trying to accomplish is a a simple firewall type system for a > public WiFi, that redirects users to a Web page when they first connect, > accepts some credentials such as an e-mail address and allows them > access to the 'net. Other features like limiting the volume of download > and some kind of porn filter would be good. > > Anyone doing anything like this care to share what they use. > > Many thanks > > Ken > > > -- > This message has been scanned for viruses and > dangerous content by MailScanner, and is > believed to be clean. > > ___ > CentOS mailing list > CentOS@centos.org > http://lists.centos.org/mailman/listinfo/centos > -- ---~~.~~--- Mike // SilverTip257 // ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
[CentOS] Unsupported Hardware that works fine?
I recently purchased a set of ASRock Intel i5 MB/CPU combos for a budget compute cluster. Every time we load up a system and try to boot with a recent EL6/64 ISO, we get a message that reads: > This hardware (or a combination thereof) is not supported by CentOS. For more > information on supported hardware, plesae refer to http://www.centos.org/hardware Not only does the hardware *seem* to work to expectations, but the url referenced goes to 404! Having loaded CentOS6 on many systems without ever seeing this message, I have to ask how to determine what might be triggering it and whether or not I should be concerned? Thanks ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] Unsupported Hardware that works fine?
On 11/25/2013 4:42 PM, Lists wrote: > I recently purchased a set of ASRock Intel i5 MB/CPU combos for a budget > compute cluster. Every time we load up a system and try to boot with a > recent EL6/64 ISO, we get a message that reads: > > > This hardware (or a combination thereof) is not supported by CentOS. > For more > > information on supported hardware, plesae refer to > http://www.centos.org/hardware > > Not only does the hardware*seem* to work to expectations, but the url > referenced goes to 404! > > Having loaded CentOS6 on many systems without ever seeing this message, > I have to ask how to determine what might be triggering it and whether > or not I should be concerned? what chipset and which core i5 (there's at least 3, maybe 4 generations of 'core i5' processors now) do you still get that error after a `yum update -y` and a reboot ? -- john r pierce 37N 122W somewhere on the middle of the left coast ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] X11 connection rejected because of wrong authentication
James Hogarth wrote: >> >> I'd like to run SELinux on my CentOS server in enforcing mode, >> >> but I get the above message when I run sealert. >> >> I assume this is because I am accessing the server from my laptop? >> .. >> >> Am I right in thinking the message arises from my remote connection? >> >> And if so, is there a simple solution? >> >> > Too little information at present to tell. >> > >> > Does it work if the system is in permissive? >> >> The CentOS server is running with SELinux in permissive mode. >> I would prefer to run it in enforcing mode, >> and to that end would like to solve the problem above. > Just to be clear - does it work (X forwarding) as it is now with the > system in permissive mode ... Does it only fail after you go setenforce 1 > ? The system works perfectly (with X forwarding) in permissive mode. I haven't tried it in enforcing mode, as it is a remote server and it would be inconvenient if I could not communicate with it. It has been suggested to me that the problem has nothing to do with selinux. The reason I thought there was a connection is that the warning only appears in the output of sealert. -- Timothy Murphy e-mail: gayleard /at/ eircom.net School of Mathematics, Trinity College, Dublin 2, Ireland ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
[CentOS] iMac triple boot including CentOS 6.4
-How to install CentOS on 27” imac (Mid 2010 - 2.93 Ghz, i7, 8gig ram) with OS X and Xubuntu 13.04 already installed Assumed - OS X and Xubuntu already installed and rEFIt already installed in OS X with the line towards the bottom of: /efi/refit/refit.conf set to: default_selection L on the mac root partition so Linux will boot by default -Boot centos 6.4 lived dvd and install btrfs tools from installer then run these commands to resize btrfs partition (changing size to fit your needs): ( was testing btrfs so use the resize tool for your type of file system installed) # mkdir /media/b # mount /dev/sd(whatever) /media/b # btrfs filesystem resize -900g /media/b -Created a gparted boot disc from: http://gparted.org/download.php then booted from gparted Live-CD and resized partition -Booted back into xubuntu and ran update-grub - but it didn’t find centos -Now run upgrade from 13.04 to 13.10 ran update-grub again and now it sees Centos run vi /etc/default/grub.conf change GRUB_DEFAULT to GRUB_DEFAULT=6 run update-grub again reboot Now Centos will will show up in grub2 boot menu and be the default one selected If CentOS has a kernel change, update-grub must be run again in xubuntu. -Update system $ sudo yum update reboot --- Info above can be found here: https://sites.google.com/site/comptekkia/linux/how-to-install-centos-on-mid-2010-27-imac Thanks, -wes ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] died again
This time when it died, the green light on my monitor stayed green, but the screen went black. I could not switch virtual terminals or kill the server. -- Michael henne...@web.cs.ndsu.nodak.edu "On Monday, I'm gonna have to tell my kindergarten class, whom I teach not to run with scissors, that my fiance ran me through with a broadsword." -- Lily ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] died again
Examine the electrolytic capacitors on the motherboard... are any of them bulging on their tops? Or leaking oily/tar-like gunk? ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
