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grub irritants
by m.roth＠5-cent.us 01 Nov '10

01 Nov '10

It appears that if I do anything to grub.conf, say, take out the rhgb quiet, after every succeding kernel update, I have to manually edit grub.conf, because the kernel update - maybe the post install script? - will set the default to be the previous kernel. Has anyone got a solution to this, so that a kernel update will give the new kernel as the default? mark

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Geany plugins out of sync
by Eduardo Grosclaude 01 Nov '10

01 Nov '10

I'm intending to do some version control, hence looking for some plugins. Geany and geany-plugins packages in Rpmforge seem to be out of sync: Name : geany-plugins Arch : i386 Version : 0.18 Release : 1.el5.rf Name : geany Arch : i386 Version : 0.19.1 Release : 1.el5.rf When both are installed, geany claims that plugins are not "binary-compatible". Frank's own hosted geany RPM (http://www.melvilletheatre.com/articles/el5/geany-0.19.1-1.i386.rpm) is even newer, but no geany-plugins there. Any chance for this to be repackaged? Or, some quick & dirty workaround? Thank you very much in advance! -- Eduardo Grosclaude Universidad Nacional del Comahue Neuquen, Argentina

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system logs out suddenly
by Ritika Garg 01 Nov '10

01 Nov '10

I have CentOS5.3 installed on the system. I have updated firefox to firefox-3.6.11-2.el5.centos. While doing any work on the internet, suddenly the system logs out. What can be the problem?

2 1

Possible to reboot a system after kickstart installation without pressing a key?
by Sean Carolan 31 Oct '10

31 Oct '10

The subject just about says it all - I'm wondering if there is a way to do a completely hands-off installation, including the reboot at the end, without "Press any key to continue"?

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migrating users to openldap
by Tim Dunphy 31 Oct '10

31 Oct '10

I noticed that when I migrated my users with the migrate_passwd.pl tool from PADL it didn't migrate the actual passwords (just the rest of the posixAccount info). I think I need to set the EXTENDED_SCHEMA variable and then try running the tool again. does anyone know what this should be? I actually thought there might be a migrate_shadow.pl tool that could accomplish this, but there doesn't appear to be anything like that among the PADL migration tools. So in short the user info is there in LDAP but no one can log in because all the password fields look like this: userPassword: {crypt}* Here is a more complete user entry that is currently in the system: 73 uid=bluethundr,ou=summitnjops,ou=staff,dc=summitnjhome,dc=com uid: bluethundr cn: Timothy P. givenName: Timothy P. sn: Dunphy objectClass: person objectClass: organizationalPerson objectClass: inetOrgPerson objectClass: posixAccount loginShell: /usr/local/bin/bash uidNumber: 1001 gidNumber: 1002 homeDirectory: /home/bluethundr gecos: Timothy P. userPassword: {crypt}* thanks in advance for any tips you can share that will get this working! -- Here's my RSA Public key: gpg --keyserver pgp.mit.edu --recv-keys 5A4873A9 Share and enjoy!!

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Xen guest not starting automatically
by Jussi Hirvi 30 Oct '10

30 Oct '10

I have a xen system with four guest OS's, (see list below). When I reboot the host, other guests autostart normally, but mail2 does not. I have found no explanation for this. The host and all guests are CentOS 5.5. [root@farm1 xen]# ls -l /etc/xen/auto total 0 lrwxrwxrwx 1 root root 8 Dec 11 2009 dawit -> ../dawit lrwxrwxrwx 1 root root 8 May 5 21:10 mail2 -> ../mail2 lrwxrwxrwx 1 root root 8 Nov 26 2009 mail3 -> ../mail3 lrwxrwxrwx 1 root root 6 Oct 29 2009 ns2 -> ../ns2 Here is my config for the problem guest: cat /etc /xen/mail2 name = "mail2" uuid = "68e33ec6-ef36-9eac-27d7-65a709684551" maxmem = 500 memory = 500 vcpus = 1 bootloader = "/usr/bin/pygrub" # kernel = "/var/lib/xen/boot_kernel.5g5MLq" # ramdisk = "/var/lib/xen/boot_ramdisk.1pSOoP" # extra = "ro root=LABEL=/ console=xvc0" on_poweroff = "destroy" on_reboot = "restart" on_crash = "restart" disk = [ "tap:aio:/vm/mail2.img,xvda,w" ] vif = [ "mac=00:16:36:24:67:3c,bridge=xenbr0,script=vif-bridge" ] - Jussi -- Jussi Hirvi * Green Spot Topeliuksenkatu 15 C * 00250 Helsinki * Finland Tel. +358 9 493 981 * Mobile +358 40 771 2098 (only sms) jussi.hirvi(a)greenspot.fi * http://www.greenspot.fi

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RPM DB DSA Signature Errors
by Camron W. Fox 30 Oct '10

30 Oct '10

Alle, I'm running CentOS 4.8. I just started seeing these errors during RPM operations: error: rpmdbAdd: skipping h# 990 Header V3 DSA signature: BAD, key ID 443e1821 error: rpmdbNextIterator: skipping h# 969 Header V3 DSA signature: BAD, key ID 443e1821 I've cleared out the __db.* files and tried to rebuild the DB with no luck. I've also tried this: http://forums.fedoraforum.org/showthread.php?t=145858 and this: cd /var/lib tar zcvf /var/preserve/rpmdb-`date +"%d%m%Y"`.tar.gz rpm cd /var/lib/rpm ls -l rm -f __db* /usr/lib/rpm/rpmdb_verify Packages rpm -qa 1> /dev/null rpm -v --rebuilddb with no joy (also with the PubKeys). Any ideas as to what to try next would be *most* appreciated. Best Regards, Camron -- Camron W. Fox Hilo Office High Performance Computing Group Fujitsu Management Services of America, Inc. E-mail: cwfox(a)us.fujitsu.com

1 0

Projects.centos.org down?
by Glenn Eychaner 30 Oct '10

30 Oct '10

I have been trying to get to the CentOS LiveCD site at projects.centos.org the last couple of days, but have been unable to reach it. Is it down, and is there any info on when it might be back up? Thanks, -G. -- Glenn Eychaner (geychaner(a)lco.cl) Telescope Systems Programmer, Las Campanas Observatory

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selinux with samba
by Geert Batsleer 29 Oct '10

29 Oct '10

I'm having problems setting up a samba server with sellinux in centos 5.6 (x64). My samba config works flawlessly when selinux is disabled but fails to access shares when selinux is enabled. Wich command makes it possible to run samba with selinux without disabling it, now I've done: "set sebool -P smbd_disable_trans 1" but doesn't really solve my problem. Thanks in advance! geert

3 2

How to access one machine behind iptables, on different subnet?
by Rudi Ahlers 29 Oct '10

29 Oct '10

Hi all, I wonder if someone can help me with this: The setup is as follows: 192.168.1.254 - wireless ADSL modem, with DHCP pool on 192.168.100 - 192.168.200 192.168.1.250 - Linux firewall RED interface 192.168.2.250 - Linux firewall GREEN interface. There are some normal LAN clients behind the Linux firewall's GREEN interface, which can all access each other's shared services and also all the clients behind the RED interface. i.e. those clients connected to the 192.168.1.254 ADSL wifi APP directly. Now I want the clients on the "outside" to connect to one specific host on the inside, behind the GREEN interface, on IP 192.168.1.20. How would I do that? I know I can do this with port fowarding, but need many ports forwarded. How do I give full access to all ports on this IP, instead of forwarding every port? Does that make sense? Currently no clients on the 192.168.1.0 subnect can access any client on the 192.168.2.0 subnet. [root@intranet ~]# iptables -L Chain INPUT (policy ACCEPT) target prot opt source destination ACCEPT udp -- anywhere anywhere udp dpt:domain ACCEPT tcp -- anywhere anywhere tcp dpt:domain ACCEPT udp -- anywhere anywhere udp dpt:bootps ACCEPT tcp -- anywhere anywhere tcp dpt:bootps ACCEPT tcp -- anywhere anywhere tcp dpt:tftp ACCEPT tcp -- anywhere anywhere tcp dpt:http ACCEPT tcp -- anywhere anywhere tcp dpt:25151 Chain FORWARD (policy ACCEPT) target prot opt source destination ACCEPT all -- anywhere 192.168.122.0/24 state RELATED,ESTAB LISHED ACCEPT all -- 192.168.122.0/24 anywhere ACCEPT all -- anywhere anywhere REJECT all -- anywhere anywhere reject-with icmp-po rt-unreachable REJECT all -- anywhere anywhere reject-with icmp-po rt-unreachable ACCEPT all -- 192.168.2.0/24 anywhere ACCEPT all -- anywhere 192.168.2.0/24 Chain OUTPUT (policy ACCEPT) target prot opt source destination [root@intranet ~]# route -nv Kernel IP routing table Destination Gateway Genmask Flags Metric Ref Use Iface 192.168.2.0 0.0.0.0 255.255.255.0 U 0 0 0 eth1 192.168.1.0 0.0.0.0 255.255.255.0 U 0 0 0 eth0 169.254.0.0 0.0.0.0 255.255.0.0 U 0 0 0 eth1 0.0.0.0 192.168.1.254 0.0.0.0 UG 0 0 0 eth0 The Linux firewall runs CentOS 5.5. x64 [root@intranet ~]# cat /etc/redhat-release CentOS release 5.5 (Final) [root@intranet ~]# iptables -V iptables v1.3.5 -- Kind Regards Rudi Ahlers SoftDux Website: http://www.SoftDux.com Technical Blog: http://Blog.SoftDux.com Office: 087 805 9573 Cell: 082 554 7532

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