Discuss September 2011

discuss@lists.centos.org

268 participants
254 discussions

Re: [CentOS] Apache warns Web server admins of DoS attack tool
by Rudi Ahlers 01 Sep '11

01 Sep '11

On Fri, Aug 26, 2011 at 9:45 AM, Kenneth Porter <shiva(a)sewingwitch.com> wrote: > I don't see any mention of this in the CentOS announcements forum. I'd > consider dropping the mailing list and switching to forums if this kind of > warning appeared there. > > <https://www.centos.org/modules/newbb/viewforum.php?forum=53> > _______________________________________________ The CentOS forum is pretty useless IMO -- 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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Error installing latest CentOS kernel from %post section of kickstart
by Alfred von Campe 01 Sep '11

01 Sep '11

I'm running the command "yum -y update" from a script called from the the post section of my kickstart config file, and I get the following error: Installing : kernel-2.6.32-71.29.1.el6.i686 185/378 grubby fatal error: unable to find a suitable template After the install, if I log in to the system and remove that RPM and then re-install it with "yum install kernel", the grub.conf file is updated correctly. Any ideas why this might be failing from kickstart? Anyone else seen this? Alfred

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Centos VPS Kernel 2.6.35.4 & 'string-less' IP tables
by Always Learning 01 Sep '11

01 Sep '11

On a VPS I wanted to add to IP tables:- iptables -A XXXX -p tcp -m string --algo bm --string 'login' -j DROP I got: iptables: Unknown error 18446744073709551615 uname -a = 2.6.35.4 #2 (don't know how this got installed) lsmod | grep ipt = ipt_LOG 5419 2 yum upgrade iptables* = nothing to install. --------------------------------------- On a standalone server (C 5.6) iptables -A XXXX -p tcp -m string --algo bm --string 'login' -j DROP is accepted. uname -a = 2.6.18-274.el5 #1 lsmod | grep ipt = ipt_LOG 39617 1 iptable_filter 36161 1 ip_tables 55457 1 iptable_filter x_tables 50505 6 xt_string,xt_state,ipt_LOG,xt_tcpudp,ip_tables,ip6_tables ------------------------------------------------ Appreciate suggestions on how to get kernel 2.6.35.4 to install the whole IP tables package, especially the STRING and RECENT options (in -m). Thank you. Paul.

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Help integrating CentOS 6 with existing network login infrastructure
by Alfred von Campe 01 Sep '11

01 Sep '11

I've updated my kickstart configuration files to work with CentOS 6 and am most of the way there integrating a CentOS 6 system into our LDAP/NIS environment. My authconfig line in the kickstart file is as follows: authconfig --enablemd5 --passalgo=sha512 --enablenis --nisdomain=XXX --nisserver=nis.XXX.com --useshadow --enablekrb5 --krb5realm=XXX.COM --krb5kdc=ldap.XXX.com --krb5adminserver=ldap.XXX.com This is virtually identical to the authconfig line I was using in CentOS 5. My issue is that users cannot log in with their network (NIS) usernames and passwords. If I log in as root, I can do a "su - username" and get the user's automounted home directory with the correct uid/gid, but if I try to log in as the user, or do a "su - username" as a non-root user and have to enter the password, authentication always fails. The entries in /var/log/secure just say "su: pam_unix(su-l:auth): authentication failure". I'm not a pam expert and don't know how to debug this. Anyone else run into this and/or know what might be the problem? This works just fine in CentOS 5. Alfred

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Discuss September 2011