Discuss January 2014

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194 participants
174 discussions

- manipulation token error
by Paolo De Michele 14 Jan '14

14 Jan '14

hi all, I can't change root password because in my VPS the ssh console gives me: $ ssh -p xxxx2 username@ipaddress username@ipaddress's password: Last login: Thu Jan 9 11:46:58 2014 from dynamic-adsl-xxx.xxx.xx.it WARNING: Your password has expired. You must change your password now and login again! Changing password for username. (current) UNIX password: passwd: Authentication token manipulation error passwd: password unchanged Connection to xxxxxx closed. how I fix this problem? thanks in advance regards

2 4

Email not getting delivered (and a fix)
by Frank Cox 13 Jan '14

13 Jan '14

I just discovered that, ever since I updated this computer to kernel-2.6.32-431.3.1, it hasn't been forwarding outbound email. I found this repeated in /var/log/maillog: "warning: relayhost configuration problem" This computer is set up to relay outbound email via postfix to another computer on my network by name, whose name and IP address is specified in the /etc/hosts file. A bit of reading told me that I have to add this line to /etc/postfix/main.cf: smtp_host_lookup = dns,native Without that line, postfix won't check /etc/hosts to look up an IP address. Oddly, this setup has been working for several months WITHOUT that line in main.cf and it just stopped working when the latest kernel was installed. According to the documentation http://www.postfix.org/postconf.5.html#smtp_host_lookup it appears that it should not have been working before, eithre. Something changed in the new kernel to make it stop working. -- MELVILLE THEATRE ~ Real D 3D Digital Cinema ~ www.melvilletheatre.com

1 0

LogScape as a Splunk alternative?
by Rafał Radecki 13 Jan '14

13 Jan '14

Hi All. I searched for a Splunk alternative and found LogScape. Have anyone worked with it? There is no documentation available only some very brief installation instructions and there is almost no information in google about successful deployments in linux environments. From my current perspective it is a quite small and not widely used product, am I right? Also videos about search capabilities show that in comparison with Splunk it gives rather limited search functionality. Overall what do you think about LogScape? Best regards, Rafal.

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Configure wireless USB ethernet
by Ashley M. Kirchner 13 Jan '14

13 Jan '14

I have a system that does *not* have a graphical desktop installed, nor do I ever plan to. I have its wired ethernet working just peachy. Now I want to configure a USB wireless ethernet and scratching my head. Particularly since I don't use NetworkManager, everything is manually configured. That said, if I enable NM, I see this in /var/log/messages: NetworkManager[26900]: <info> rfkill0: found WiFi radio killswitch (at /sys/devices/pci0000:00/0000:00:1d.7/usb1/1-2/1-2:1.0/ieee80211/phy0/rfkill0) (driver rt2800usb) NetworkManager[26900]: <info> WiFi hardware radio set enabled NetworkManager[26900]: <info> WiFi enabled by radio killswitch; enabled by state file NetworkManager[26900]: <info> WWAN enabled by radio killswitch; enabled by state file NetworkManager[26900]: <info> WiMAX enabled by radio killswitch; enabled by state file NetworkManager[26900]: <info> Networking is enabled by state file NetworkManager[26900]: <info> (wlan0): driver supports SSID scans (scan_capa 0x01). NetworkManager[26900]: <info> (wlan0): new 802.11 WiFi device (driver: 'rt2800usb' ifindex: 4) NetworkManager[26900]: <info> (wlan0): exported as /org/freedesktop/NetworkManager/Devices/1 NetworkManager[26900]: <info> (wlan0): now managed NetworkManager[26900]: <info> (wlan0): device state change: 1 -> 2 (reason 2) NetworkManager[26900]: <info> (wlan0): bringing up device. NetworkManager[26900]: <info> (wlan0): preparing device. NetworkManager[26900]: <info> (wlan0): deactivating device (reason: 2). kernel: ADDRCONF(NETDEV_UP): wlan0: link is not ready NetworkManager[26900]: <info> (wlan0): supplicant interface state: starting -> ready NetworkManager[26900]: <info> (wlan0): device state change: 2 -> 3 (reason 42) Looking at 'lsmod | grep rt' I see: rt2800usb 18780 0 rt2800lib 71865 1 rt2800usb crc_ccitt 1717 1 rt2800lib rt2x00usb 12696 1 rt2800usb rt2x00lib 48438 3 rt2800usb,rt2800lib,rt2x00usb mac80211 552581 3 rt2800lib,rt2x00usb,rt2x00lib cfg80211 619515 2 rt2x00lib,mac80211 And lastly ifconfig shows the interface present: lo Link encap:Local Loopback inet addr:127.0.0.1 Mask:255.0.0.0 inet6 addr: ::1/128 Scope:Host UP LOOPBACK RUNNING MTU:16436 Metric:1 RX packets:1401 errors:0 dropped:0 overruns:0 frame:0 TX packets:1401 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:0 RX bytes:177957 (173.7 KiB) TX bytes:177957 (173.7 KiB) wlan0 Link encap:Ethernet HWaddr 00:87:35:1C:07:BF UP BROADCAST MULTICAST MTU:1500 Metric:1 RX packets:0 errors:0 dropped:0 overruns:0 frame:0 TX packets:0 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:1000 RX bytes:0 (0.0 b) TX bytes:0 (0.0 b) Great ... now how do I configure this sucker? When I turn NM off, that interface disappears. I'm assuming I can create an 'ifcfg-wlan0' configuration but what do I need to put in there so it knows to connect to my home wireless (with password) and all of that fun and exciting stuff, and continue to do that over a reboot.

5 9

6.5, minor annoyances
by m.roth＠5-cent.us 13 Jan '14

13 Jan '14

I rebuilt my system a couple/three weeks ago, and it's running 6.5, and there's a couple of minor annoyances: first, all my xterms, when I login in from the console, always are in ~/Documents, rather than ~. The other is that, running KDE, I can't find where to turn *off* the stupid login/logout theme music.* Oh, and I get this enTHUsiastic menu, rather than the traditional one. Someone know where I need to go to change this crap? I've already gone through KDE's setting, and system, and no joy. Nor did grep -L Documents /etc/*/* find anything.... mark * Is it just me, or does the logout music sound like the beginning of the original Trek Classic tv show theme?

2 1

Kickstart deploys more packages?
by Darod Zyree 13 Jan '14

13 Jan '14

Hi, Does anyone know why an Anaconda Kickstart installation deploys more rpm packages than a manual "basic" installation? In both cases the following package groups were installed/used according to anaconda-ks.cfg in root home directory: @core, @server-policy, @workstation-policy

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Re: [CentOS] [resolved ]nfs client kerberos cache
by Darod Zyree 13 Jan '14

13 Jan '14

2014/1/6 Darod Zyree <darodzyree(a)gmail.com> > Greetings, > > Not sure if this is the correct mail list. > > I have the following test environment set up: > - 1x ipa master = ipa1.example.com > - 1x nfs server = nfs1.example.com > - 1x nfs client = nfsclient1.example.com > > NFS version 4 is used and the appropriate Kerberos principal has been > created in IPA: > > [root@nfs1 ~]# ipa service-show nfs/nfs1.example.com(a)EXAMPLE.COM > > Principal: nfs/nfs1.example.com(a)EXAMPLE.COM > Keytab: True > Managed by: nfs1.example.com > > > Mounting using krb5p works: > > [root@nfsclient1 ~]# mount -v -t nfs -o sec=krb5p > nfs1.example.com:/exports/homes/ /mnt > > mount.nfs: timeout set for Mon Jan 6 21:25:56 2014 > mount.nfs: trying text-based options > 'sec=krb5p,vers=4,addr=192.168.12.172,clientaddr=192.168.12.173' > nfs1.example.com:/exports/homes/ on /mnt type nfs (rw,sec=krb5p) > > rpcgssd created the Kerberos cache file as indicated > in /var/log/messages: > rpc.gssd[2473]: INFO: Credentials in CC > 'FILE:/tmp/krb5cc_machine_EXAMPLE.COM' are good until 1389125973 > > > So far so good, but then: > > 1) I unmount everything from nfs1, remove the nfs1.example.host, its DNS > record(s) and service principcals. > 2) I redeploy the nfs1.example.com and re-create the > nfs/nfs1.example.com(a)EXAMPLE.COM principal > > 3) I try to mount the same NFS share from nfs1 on nfsclient1 I get an > error: > mount.nfs: trying text-based options > 'sec=krb5p,vers=4,addr=192.168.12.172,clientaddr=192.168.12.173' > mount.nfs: mount(2): Operation not permitted > > Now I'm not an IPA or Kerberos expert but I am guessing that this > happens because the nfsclient1 still has, and uses, > the /tmp/krb5cc_machine_EXAMPLE.COM cache file? > This file would have the “old” Kerberos credentials?... > > On the NFS server in /var/log/messages this error message is displayed: > "rpc.svcgssd[5983]: ERROR: GSS-API: error in handle_nullreq: > gss_accept_sec_context(): GSS_S_FAILURE (Unspecified GSS failure. Minor > code may provide more information) - Wrong principal in request" > > On the NFS client in /var/log/messages these messages are displayed: > "creating context with server nfs(a)nfs1.example.com" > > "WARNING: Failed to create machine krb5 context with credentials cache > FILE:/tmp/krb5cc_machine_EXAMPLE.COM for server nfs1.example.com" > > "WARNING: Machine cache is prematurely expired or corrupted trying to > recreate cache for server nfs1.example.com" > > Restarting the rpcgssd daemon works, this action removes > the /tmp/krb5cc_machine_EXAMPLE.COM file and upon a mount command it is > recreated. > However restarting the rpcgssd daemon on all NFS clients every time an > NFS server is redeployed doesn't feel right. > > Anyone perhaps have an idea on what I might be doing wrong? > Or is this by design? > > > After dicussing this with Red Hat support the best way to go about this issue is to just restart the rpcgssd deamon on any nfs client that recently had a mount to the re-deployed nfs server. Restarting rpcgssd removes the /tmp/krb5cc_machine_EXAMPLE.COM file so a new one can be created. One other method would be to save various files (things like keytabs) and re-use these after deployment but that turned out to be too much effort to automate.

1 0

Re: [CentOS] CentOS Tshirt ideas
by Johnny King 12 Jan '14

12 Jan '14

How about the CentOS T-shirt wearing penguin with a red fedora cocked on this head. Padre King Sent from my Verizon Wireless 4G LTE DROID Karanbir Singh <mail-lists(a)karan.org> wrote: >hi, > >We have, like in the years past, a table at Fosdem and I'd like to get >some tshirts printed to hand out. In the past, the Linux Ninja's and >Beards ones got quite a bit of attention ( and both were not brand >spammy, which is always nice ). > >Reaching out to the mailing list for ideas on what we can do this year, >with the caveat that I need to finalise by this weekend if we are to get >anything in by Fosdem. > >thanks in advance, > >-- >Karanbir Singh >+44-207-0999389 | http://www.karan.org/ | twitter.com/kbsingh >GnuPG Key : http://www.karan.org/publickey.asc >_______________________________________________ >CentOS mailing list >CentOS(a)centos.org >http://lists.centos.org/mailman/listinfo/centos

6 5

Credentials issue
by Fabrizio Di Carlo 12 Jan '14

12 Jan '14

Hello to all, I've a frustrating issue, everytime I'm trying to connect to some website (like Linkedin, VMware, CertCollection, etc etc) I have issue with credentials... Or the website didn't recognize my login (and I'm still in login page) or for example I'm logged in linkedin but I'm not able to see which visit my profile cause it ask me my credentials and when I enter I'm going again to login page. For MVA I solved updating my broswer but for other website nothing. I resetted the factory settings in Chome, disable extensions (AdBlock Plus and Privacy Fix mainly), clear my cache but without results and now the problem is really frustating. Can you help me in troubleshooting it? Fabrizio -- "The intuitive mind is a sacred gift and the rational mind is a faithful servant. We have created a society that honors the servant and has forgotten the gift." (A. Einstein) "La mente intuitiva è un dono sacro e la mente razionale è un fedele servo. Noi abbiamo creato una società che onora il servo e ha dimenticato il dono." (A. Einstein) Fabrizio Di Carlo

3 2

Linux reinstallation without rebooting? Alternative to kickstart and other such tools?
by Rafał Radecki 11 Jan '14

11 Jan '14

Hi All. I am curious if it is possible to reinstall linux distribution to centos (or another distro) if I have a remote linux server with no kvm access (i do not want to use virtualization). I know that for installation pxe, tftpboot and kickstart or a proper iso/cd and kickstart are standard options. But for such operations I would need kvm access. Are there any alternatives which do not need it? For example: I have a centos server, then I add some software, run it, point to a kickstart file available through http remotely or give network parameters and partitioning layout and the software takes care of the rest, no need for kvm access during install. Is something like that possible? :) I know that it may be seen as an "exotic" question but there are many opensource projects starting every day and maybe someone knows an interesting piece of software. Thanks! Best regards, Rafal.

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Discuss January 2014