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Instalación de Nomachine
by Ian 21 Jun '13

21 Jun '13

Perdón por el idioma. Estoy intentando instalar Nomachine en un CentOS 6.4 y no lo logro, tengo problemas con la autenticación. Conoceis algún manual claro y conciso? Muchas gracias José Antonio Ruiz (Ian)  Antes de imprimir este email piense bien si es realmente necesario.

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Re: [CentOS] [Samba] Samba4 and NFSv4
by John Hodrien 20 Jun '13

20 Jun '13

Is it possible that Samba4 includes a large PAC on the kerberos credential and you're going over the limit in kernel? Against AD you have to disable this PAC inclusion via the userAccountControl attribute to make kerberised NFSv4 work correctly. You /sometimes/ find that testing with a user who is a member of as close to no groups as possible works in this case, but users in many groups fail. I'm not convinced your comment about having to run svcgssd on clients is enforced due to CentOS in it scripts, but it shouldn't cause any bother as you say. I can't check right now. Jh Steve Thompson <smt(a)vgersoft.com> wrote: On Thu, 20 Jun 2013, steve wrote: Thanks for your reply! I am really pulling my hair out over this one, and I don't have that much left :( > What do you have in /etc/idmapd.conf The content of this file is correct as far as I understand it, as it works with NFSv3 and NFSv4 with sec=sys: [General] Verbosity = 0 Domain = icse.cornell.edu Local-Realms = TITAN.TEST.CORNELL.EDU [Mapping] Nobody-User = nobody Nobody-Group = nobody [Translation] Method = nsswitch (and I have nsswitch.conf correctly configured). Note: in my case, the value of Domain in idmapd.conf is NOT the same as the DNS domain name. But as I understand it, as long as it is the same on all servers and clients, this should not matter, as it is just a label. I tried setting it to the DNS domain name, but it didn't make any difference. And changing it on just the server and not the clients leaves all ownerships as being nobody:nobody instead of the proper ownerships, which is (a) expected, and (b) leads me to believe that rpc.idmapd is working as it should. Starting rpc.idmapd with -vvv dumps the mappings to /var/log/messages, and they are correct. In any case, clients don't all have the same DNS domain name. > What does ps aux | grep rpc give? rpc 1616 0.0 0.0 18972 992 ? Ss Jun18 0:00 rpcbind rpcuser 1649 0.0 0.0 25420 1380 ? Ss Jun18 0:00 rpc.statd root 1678 0.0 0.0 0 0 ? S Jun18 0:00 [rpciod/0] root 1679 0.0 0.0 0 0 ? S Jun18 0:01 [rpciod/1] root 5789 0.0 0.0 50112 2072 ? Ss 12:06 0:00 rpc.svcgssd -vvv root 5795 0.0 0.0 107304 276 ? Ss 12:06 0:00 rpc.rquotad root 5799 0.0 0.0 22832 2560 ? Ss 12:06 0:00 rpc.mountd --no-nfs-version 2 root 5850 0.0 0.0 36900 1048 ? Ss 12:06 0:00 rpc.idmapd -vvv root 8807 0.0 0.0 37340 2556 ? Ss 16:37 0:00 rpc.gssd -vvv All the expected daemons are present, including rpc.gssd and rpc.svcgssd. I have rpc.svcgssd running on the clients too, although it should not be necessary there (but the CentOS init scripts don't give the option to not start it). > Can the user browse using nfs3? > mount -t nfs3 -o sec=krb5 <server_fqdn>:/data /mnt No; exactly the same result as NFSv4. But yes with sec=sys. > Have a look at the gotchas. There's loadsa wrong info abut kerberos and > nfs4: http://linux-nfs.org/wiki/index.php/Nfsv4_configuration That's one of the many articles that I've read (several times). I don't see anything wrong in what I have done (btw, I don't agree that the fsid=0 export should be mode 1777, and I don't agree that your first exports example is the proper way to do it. But in any event I have tried those too, to no effect). Steve -- To unsubscribe from this list go to the following URL and read the instructions: https://lists.samba.org/mailman/options/samba _______________________________________________ CentOS mailing list CentOS(a)centos.org http://lists.centos.org/mailman/listinfo/centos

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Re: [CentOS] [Samba] Samba4 and NFSv4
by Steve Thompson 20 Jun '13

20 Jun '13

On Thu, 20 Jun 2013, steve wrote: Thanks for your reply! I am really pulling my hair out over this one, and I don't have that much left :( > What do you have in /etc/idmapd.conf The content of this file is correct as far as I understand it, as it works with NFSv3 and NFSv4 with sec=sys: [General] Verbosity = 0 Domain = icse.cornell.edu Local-Realms = TITAN.TEST.CORNELL.EDU [Mapping] Nobody-User = nobody Nobody-Group = nobody [Translation] Method = nsswitch (and I have nsswitch.conf correctly configured). Note: in my case, the value of Domain in idmapd.conf is NOT the same as the DNS domain name. But as I understand it, as long as it is the same on all servers and clients, this should not matter, as it is just a label. I tried setting it to the DNS domain name, but it didn't make any difference. And changing it on just the server and not the clients leaves all ownerships as being nobody:nobody instead of the proper ownerships, which is (a) expected, and (b) leads me to believe that rpc.idmapd is working as it should. Starting rpc.idmapd with -vvv dumps the mappings to /var/log/messages, and they are correct. In any case, clients don't all have the same DNS domain name. > What does ps aux | grep rpc give? rpc 1616 0.0 0.0 18972 992 ? Ss Jun18 0:00 rpcbind rpcuser 1649 0.0 0.0 25420 1380 ? Ss Jun18 0:00 rpc.statd root 1678 0.0 0.0 0 0 ? S Jun18 0:00 [rpciod/0] root 1679 0.0 0.0 0 0 ? S Jun18 0:01 [rpciod/1] root 5789 0.0 0.0 50112 2072 ? Ss 12:06 0:00 rpc.svcgssd -vvv root 5795 0.0 0.0 107304 276 ? Ss 12:06 0:00 rpc.rquotad root 5799 0.0 0.0 22832 2560 ? Ss 12:06 0:00 rpc.mountd --no-nfs-version 2 root 5850 0.0 0.0 36900 1048 ? Ss 12:06 0:00 rpc.idmapd -vvv root 8807 0.0 0.0 37340 2556 ? Ss 16:37 0:00 rpc.gssd -vvv All the expected daemons are present, including rpc.gssd and rpc.svcgssd. I have rpc.svcgssd running on the clients too, although it should not be necessary there (but the CentOS init scripts don't give the option to not start it). > Can the user browse using nfs3? > mount -t nfs3 -o sec=krb5 <server_fqdn>:/data /mnt No; exactly the same result as NFSv4. But yes with sec=sys. > Have a look at the gotchas. There's loadsa wrong info abut kerberos and > nfs4: http://linux-nfs.org/wiki/index.php/Nfsv4_configuration That's one of the many articles that I've read (several times). I don't see anything wrong in what I have done (btw, I don't agree that the fsid=0 export should be mode 1777, and I don't agree that your first exports example is the proper way to do it. But in any event I have tried those too, to no effect). Steve -- To unsubscribe from this list go to the following URL and read the instructions: https://lists.samba.org/mailman/options/samba

1 0

Firefox - remote xul manager gone after Centos update
by Johan Vermeulen 20 Jun '13

20 Jun '13

Dear All, I am faced with this problem: Firefox version is 17.0.6 before and after the update I ran an update today; bash-4.1# yum history Loaded plugins: fastestmirror, refresh-packagekit, security ID | Login user | Date and time | Action(s) | Altered ------------------------------------------------------------------------------- 296 | james <james> | 2013-06-20 21:08 | E, I, U | 42 I'm not sure which packet could have caused this, but before the update, I could go to Extra-webdeveloper-remote xul manager in Firefox and add domains Now remote xul manager is gone in webdeveloper. Can anyone offer any advise on this problem? greetings, J. -- Johan Vermeulen IT-medewerker Caw De Kempen johan.vermeulen(a)cawdekempen.be 0479.82.01.41 Opensource Software is the future.

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Re: [CentOS] [Samba] Samba4 and NVSv4
by Steve Thompson 20 Jun '13

20 Jun '13

On Thu, 6 Jun 2013, Ritter, Marcel wrote: > Newer versions of nfs-utils (>= 1.2.4) support the HOSTNAME$ format > (treated like a UPN) used by Samba/Windows, which makes things easier > (and could/should work out of the box with a keytab created by samba > itself). I have tried creating a Samba4 user object with a suitable UPN using msktutil on the DC (this is successfully entered into the database): # OU=Computers # HOST=<short hostname> # msktutil -c -b CN=$OU \ -k nfs-$HOST.keytab \ --computer-name nfs-$HOST \ --upn nfs/$HOST.test.cornell.edu \ --service nfs/$HOST.test.cornell.edu \ --server `hostname` \ --dont-expire-password \ --hostname $HOST.test.cornell.edu \ --enctypes 0x3 and then importing this keytab into the host's keytab with ktutil (so, not using "net ads keytab add"). Verified the keytab with klist. Get permission denied when trying to mount with sec=krb5. Various different enctypes all get the same result. I tried also building nfs-utils 1.2.8 from source and installing that on the NFSv4 server (using the NFSv4 server as a client for this test). All I get then, no matter what I put in the keytab, is: rpc.gssd[1679]: ERROR: GSS-API: error in gss_set_allowable_enctypes(): GSS_S_BAD_MECH (An unsupported mechanism was requested) - Unknown error The build of nfs-utils (via rpmbuild) appeared clean but I suspect that there may be something wrong with it. Still using the 2.6.32-358.6.2.el6 kernel. I tried the workaround suggested in: https://bugzilla.redhat.com/show_bug.cgi?id=720479 just in case, but it made no difference. Running out of ideas! -Steve

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init.d scripts not starting at boot
by Don O'Neil 20 Jun '13

20 Jun '13

I have just deployed a new CentOS 6.4 image on AWS, and I'm having issues with init.d scripts not starting up. I've verified the following; 1) They work on their own after boot 2) They're set to run at runlevel 3,4, and 5 via chkconfig 3) The system boots up in runlevel 3 (no GUI) 4) There are no lingering PID files around after boot 5) Permissions are correct on the files in init.d 6) /etc/init.d is linked to /etc/rc.d/init.d 7) Some functions start up correctly at start up (such as bind) 8) All file systems are mounted in runlevel 3 9) The IP address is static on the server One specific example is crond; Chkconfig output: crond 0:off 1:off 2:on 3:on 4:on 5:on 6:off permissions in init.d: -rwxr-xr-x 1 root root 2793 Jul 18 2011 crond The processes that aren't loading are; Clamd, directadmin, exim, freshclam, httpd, mysqld, ossec, proftpd, sshguard Any ideas what I need to check/change to resolve this problem? Thanks everyone!

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Help with 6.4 install on ASUS laptop
by Richard Reina 20 Jun '13

20 Jun '13

Hello all, Hoping someone can help me. I followed the instructions here: http://cedarboy.com/informational/install-centos-6-using-unetbootin-and-a-t… the exception that in step 8. (Now copy the same image into the root directory of the thumbdrive.) I could not find a directory labled /root/ so I copied the image to / the main directory where everything else is. Once the install began I picked that install media was on hard drive and picked /dev/sbd1. I then selected the harddrive an (ATA WDC) as the target drive. It seems to begin to write the filesystem and the stops and gives me this message: "unable to read package metadata. This may be due to a missing repodata directory. Please ensure that your install tree has been correctly generated. Cannot open/read repomd.xml file for repository: anaconda-base-201303050102.x86_64. Please verify it's path and try again. I have the an exthernet cable pluged in from router but I am pretty sure that the machine cannot access the internet. As when I tried to enter the repodata url manually it said that the eth0 was not configured and game me a "bug" error when I tried to do so. Can anyone help?

1 0

Multiple windows shell multiplexer...
by John Doe 20 Jun '13

20 Jun '13

Hi, I am currently using keyboardcast but I had to modify the sources to make it behave "properly" (light, auto-placed, auto-tiled windows, etc) and... I lost my modifications and do not want to recode it once more... :/ I wanted to use mssh (not the python one, the one from Bradley Smith) but I cannot find an rpm and cannot compile it on CentOS 5 due to a too old vte-devel library (compiles on CentOS 6 though)... Anyone knows a good *multiple windows* shell multiplexer...? Thx, JD

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mount CIFS issue with CentOS 6.4
by Dan Carl 19 Jun '13

19 Jun '13

I have a NAS that I can connect to just fine with a CentOS 6.3 box. But when I try the same exact command on my CentOS 6.4 box I get this error. mount -t cifs //xxx.xxx.xxx.xxx/mailserver/ /mnt/test -o username=xxx,password=xxx mount error(13): Permission denied Refer to the mount.cifs(8) manual page (e.g. man mount.cifs) I've been googling, trying different things all afternoon, please help Thanks Dan

3 2

XFS inode64 NFS export on CentOS6
by Maarten van Ingen 19 Jun '13

19 Jun '13

Hi, I am trying to get the most out of my 40TB xfs file system and I have noticed that the inode64 mount option gives me a roughly 30% performance increase (besides the other useful things). The problem is that I have to export the filesystem via NFS and I cannot seem to get this working with the current version of nfs-utils (1.2.3). The export option fsid=uuid cannot be used (the standard nfs-utils does accept this option). Also I am not exporting the root of the filesystem, but a couple of subdirs. If I mount the subdirs on the clients it seems to go alright. But when I do e.g. an 'ls' I get a 'Stale NFS handle' error. Updating nfs-utils seems not so trivial so I would like to skip this option :-) How can I export this filesystem with inode64 enabled and mount it on my clients? All clients are Centos6 64bits as is the server. Cheers, Maarten van Ingen

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