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using /dev/hda system to build initrd for /dev/sda system
by Jerry Geis 07 Jun '08

07 Jun '08

I think I have booting issues for my custom kernel on centos 4. the sda system cannot find the disk. I used a qemu image to build a centos 4 MATH_EMULATION kernel. This system has /dev/hda. The system I am putting the vmlinuz and initrd files on is a /dev/sda system. I dont think the initrd image is getting built correctly. Does this make sense? What might I look at changing to ensure my initrd is made correctly. Jerry

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Zoneminder
by Thomas Dukes 07 Jun '08

07 Jun '08

Hello, Does any one have current rpms for Zoneminder-1.23.3? I can't get the source to compile on 4.6. I've looked, googled, etc., but can't find if anyone has made one. Anyone interested in making one? Dag?? TIA

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Live CD?
by MHR 07 Jun '08

07 Jun '08

I just used a Live CD for the first time today, in part to show what CentOS can do for a co-worker who is looking at using it at work and home, but I got the strangest result. We booted the CD and let the centos user log in. It took a really long time to load the desktop and there were no panels, so the only things we could do were browse the computer, CD, home, file system, keyboard (sort of) and pretty much nothing else. <alt><f2> and <alt><f1> did nothing, either - no menu, no input windows - nada. Is that normal? If not, what did I/we overlook? I was expecting a lot more, and from looking around the wiki, there should have been, but I couldn't find a good reference for what the Live CD is supposed to be able to do or let a user do. Thanks. mhr

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SELinux error message on CentOS 5: "multiple same specifications"
by Filipe Brandenburger 06 Jun '08

06 Jun '08

Hi all, I just installed a CentOS 5 machine from Kickstart. I configure NSS and PAM to lookup and authenticate users from LDAP with authconfig. On my LDAP I also have some automount configuration, but I'm not running automount on this server. SELinux is installed and enforcing. Whenever I try to install an RPM (and in other occasions during boot) I see those messages: # rpm -Uvh ... .rpm /etc/selinux/targeted/contexts/files/file_contexts: Multiple same specifications for /usr/local/lost\+found/.*. /etc/selinux/targeted/contexts/files/file_contexts: Multiple same specifications for /usr/local/\.journal. /etc/selinux/targeted/contexts/files/file_contexts: Multiple same specifications for /usr/local/lost\+found. The RPM installs fine, I guess those are just warnings. (Actually, /usr/local is practically empty, and there are no lost+found or .journal there, so I guess those are really innocuous.) I dug in deeper and I found out that the source of the problem is most probably in this file: /etc/selinux/targeted/contexts/files/file_contexts.homedirs Among its contents are these lines: /usr/local/[^/]*/.+ user_u:object_r:user_home_t:s0 /usr/local/[^/]*/.*/plugins/nprhapengine\.so.* -- user_u:object_r:textrel_shlib_t:s0 /usr/local/[^/]*/.*/plugins/libflashplayer\.so.* -- user_u:object_r:textrel_shlib_t:s0 /usr/local/[^/]*/((www)|(web)|(public_html))(/.+)? user_u:object_r:httpd_user_content_t:s0 /usr/local/[^/]*/\.mozilla(/.*)?/plugins/libflashplayer\.so.* -- user_u:object_r:textrel_shlib_t:s0 /usr/local/[^/]* -d user_u:object_r:user_home_dir_t:s0 /usr/local/lost\+found/.* <<none>> /usr/local -d system_u:object_r:home_root_t:s0 /usr/local/\.journal <<none>> /usr/local/lost\+found -d system_u:object_r:lost_found_t:s0 I saw that /home and /root are there, since they are really home directories. But /usr/local shouldn't be there! And there's a fourth directory there, which is based on the name of our NFS fileserver: /colossus/users/[^/]*/.+ user_u:object_r:user_home_t:s0 /colossus/users/[^/]*/.*/plugins/nprhapengine\.so.* -- user_u:object_r:textrel_shlib_t:s0 /colossus/users/[^/]*/.*/plugins/libflashplayer\.so.* -- user_u:object_r:textrel_shlib_t:s0 /colossus/users/[^/]*/((www)|(web)|(public_html))(/.+)? user_u:object_r:httpd_user_content_t:s0 /colossus/users/[^/]*/\.mozilla(/.*)?/plugins/libflashplayer\.so.* -- user_u:object_r:textrel_shlib_t:s0 /colossus/users/[^/]* -d user_u:object_r:user_home_dir_t:s0 /colossus/users/lost\+found/.* <<none>> /colossus/users -d system_u:object_r:home_root_t:s0 /colossus/users/\.journal <<none>> /colossus/users/lost\+found -d system_u:object_r:lost_found_t:s0 I tried to edit the file to remove the offending entries, but after I installed another RPM I saw that the file was regenerated with the other entries. So, I would like to know: Where is this coming from? How is this file being generated? What's the command that generates it? Which command (semanage?) apart from rpm can I use to reproduce and test the problem? (In other words, another command that won't install or change anything on the system but check the integrity of this file.) How can I tweak or control the way this file is generated? Thanks a lot! Filipe

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Frequent Gnome Terminal crashes in CentOS 5.1
by Alfred von Campe 06 Jun '08

06 Jun '08

Ever since I upgraded all my systems to CentOS 5.1 I have been getting reports from users about "all their windows disappearing". A little digging revealed that they meant all gnome-terminal windows. Since there is only one gnome-terminal process by default for all your open terminal windows and tabs, a crash of that process means losing all your terminal windows. These crashes often (but not always) occur over night when the system is otherwise idle. A quick Google search found a problem on Ubuntu related to VTE (the terminal emulator widget used by gnome-terminal) but not much else of interest. Has anyone on this list experienced this? I find it hard to believe I'm the only one. I never saw this issue while running CentOS 4.X on these systems... Alfred

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5.1 Anaconda Install Error
by Kirk Bocek 06 Jun '08

06 Jun '08

I'm unable to install x86_64 on a host. The installer gets through the first part, asking for install type and it begins loading the images from whatever media was selected. Then anaconda spills a series of cryptic messages ending in 'file not found' and the console on F2 is locked up. I've tried this with physical DVD media, PXE-HTTP and media-boot HTTP install. It happens every time. This is a reinstall to this host. The weird thing is that I was able to install to this host from this media previously. I've seen the note at bugs.centos.org regarding an incorrect .discinfo file but that doesn't seem to be it. The .diskinfo file: 1195929648.203590 Final x86_64 1,2,3,4,5,6,7 CentOS/base /home/buildcentos/CENTOS/5.1/en/x86_64/CentOS CentOS/pixmaps Does anyone have any idea what's going on? Kirk Bocek

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Samba AD valid users issue
by mslist＠opcenter.net 06 Jun '08

06 Jun '08

Thanks, The issue dos not seem to be with the separator. It is with the @ as a leading char in the group name. But I will give it a try on Monday Michel van Deventer michel at van.deventer.cx Fri Jun 6 21:34:23 UTC 2008 Having a quick glance at the config I remember I had a sort of same issue, set your winbind seperator character to something like '#' and do the same in the valid users and groups and it should give you more working stuff ;) The \ character is a line break which tells samba to continue reading the config on the next line including spaces and linebreaks...

1 0

Samba AD valid users issue
by mslist＠opcenter.net 06 Jun '08

06 Jun '08

I have setup a new server centos 5.1 server as a storage server with over 7TB of storage. The server has been integrated into a large Active Directory network there are 5 primary AD servers and a large number of local AD server at each location (over 20). There are also over 15 trusted domains hundreds of groups and thousands of users. It has been quite a challenge to integrate the Linux server with Samba into this incitement. I am now at a point where I can change user and group ownership of filed and folders at AD users and connect to the server with a windows client. There are also issues with Samba not starting on bootup (yes the service is set to start at level 3 system starts non GUI). And it seems to take quite a while for system to recognize domain users on startup. The [TEST] share works with out issue. The [TEST-ENG] share is not working no matter what I do. The issue that I am having is that most of the groups have a @ at the beginning. Ie: @DIV-Engineering This conflicts with the Samba valid users = directive in the smb.conf. I have been able to change the group ownership to @DIV-Engineering in the file-system without any issues. Is there any way to do this? [global] workgroup = XXX realm = XXX server string = Samba Server Version %v security = ADS auth methods = guest, sam, winbind obey pam restrictions = Yes password server = nycbcc01.xxx.ad.xxx.net # winbind separator = \\ # passdb backend = tdbsam wins server = 192.20.76.98 ldap ssl = no winbind use default domain = yes idmap uid = 10000-100000 idmap gid = 10000-100000 winbind enum users = Yes preferred master = no encrypt passwords = yes template homedir = /home/samba/%D/%U cups options = raw [homes] comment = Home Directories read only = No browseable = No [printers] comment = All Printers path = /var/spool/samba printable = Yes browseable = No [TEST] path = /home/samba/shares/TEST valid users = @"XXX\Domain Users" force group = "XXX\domain users" read only = No create mask = 0774 force create mode = 0775 directory mask = 0775 force directory mode = 0770 force directory security mode = 0770 [TEST-ENG] path = /home/samba/shares/TEST valid users = @"XXX\@DIV-Engineering" force group = "XXX\@DIV-Engineering" read only = No create mask = 0774 force create mode = 0775 directory mask = 0775 force directory mode = 0770 force directory security mode = 0770

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usb thumbdrive
by Jerry Geis 06 Jun '08

06 Jun '08

Hi all, I am soo close. I have have made my custom kernel from a DIFFERENT machine, I have hte USB booting, I have 3 partitions, 1-fat12, 2 - ext3, 3 is swap. on booting it says: VFS cannot open root device NULL please append root= I tried root=/dev/sda2 and still nothing. Is there something about building a kernel on one machine and then taking that to another machine with different disk structure and it not booting??? What do you do in that case? I think - hope - this is my last step to get past... jerry

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vsftpd and active mode connections causes FTP session to hang
by Timothy Selivanow 06 Jun '08

06 Jun '08

I've encountered an odd error state that I haven't been able to resolve yet. I have a customer that, for what ever reason, wants to use active mode occasionally for FTP xfers. What they have noticed, is that after you switch to active, and issue a command (they do 'ls', I've done other things like 'put' and 'get', etc.), the connection hangs. If you wait a bit it returns with a "425 Failed to establish connection". I've tried this on three hosts so far (all CentOS 5) and they all behave the same, some of which there is effectively no firewall (all traffic is allowed from my workstation to the host, and no restrictions on exiting traffic). All google searches about this behavour thus far have talked about old versions of vsftpd or using filesystems such as FAT, which don't apply in all cases. Any ideas? --Tim ____________________________________________________________ / bureaucracy, n: \ \ A method for transforming energy into solid waste. / ------------------------------------------------------------ \ \ \ \ /\ ( ) .( o ).

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