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IPSEC How To?
by Helmut Drodofsky 06 Apr '12

06 Apr '12

Hello, now I have spent many hours to configure openswan for VPN connections without any success. My goal: VPN Server CentOS 6 with public IPv4 VPN Client (= road warrier) from private site with NAT router or from mobile cell with Linux, Windows 7, Mac, iPhone or Android Is there any how to in the net? When I read file:///usr/share/doc/openswan-doc-2.6.32/config.html then I belive, there is no solution. It is written, that I have to reconfigure the NAT router of the mobile provider or the hardware NAT router of the private dsl uplink. Both is impossible. Thank you for help in advance. Helmut Helmut Drodofsky Internet XS Service GmbH Heßbrühlstraße 15 70565 Stuttgart Geschäftsführung Dr.-Ing. Roswitha Hahn-Drodofsky HRB 21091 Stuttgart USt.ID: DE190582774 Tel. 0711 781941 0 Fax: 0711 781941 79 Mail: info(a)internet-xs.de www.internet-xs.de

4 6

rsyslog / rotation, best practices
by Bob Hoffman 05 Apr '12

05 Apr '12

centos6 in regards to /etc/logrotate.d/syslog the file is in charge of processing /var/log/cron /var/log/maillog /var/log/messages /var/log/secure /var/log/spooler If I wanted to make a specific setting just for maillog (since that file gets huge really quick) would I add 1- a new file /etc/logrotate.d/maillog with the parameters just like the other files 2- add parameters in the file it is already located in (/etc/log...d/syslog) 3- logrotate.conf where other settings for btmp and wtmp are located. Which is the 'best practice' or preferred solution to changing the defaults for the files in the logrotate.d/syslog file. Right now I have changed logrotate.conf to go off daily to keep the maillog from getting to huge. I do not know what the default is for size forcing the change, but when it got to 35MB logwatch was not properly accessing it and logrotate in debug mode was saying file too big must be config file. There seems to be no setting for file size to force rotation for the log files in the logrotate.d/syslog file. thanks bob

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CentOS-announce Digest, Vol 86, Issue 4
by centos-announce-request＠centos.org 05 Apr '12

05 Apr '12

Send CentOS-announce mailing list submissions to centos-announce(a)centos.org To subscribe or unsubscribe via the World Wide Web, visit http://lists.centos.org/mailman/listinfo/centos-announce or, via email, send a message with subject or body 'help' to centos-announce-request(a)centos.org You can reach the person managing the list at centos-announce-owner(a)centos.org When replying, please edit your Subject line so it is more specific than "Re: Contents of CentOS-announce digest..." Today's Topics: 1. CEBA-2012:0452 CentOS 6 db4 FASTTRACK Update (Johnny Hughes) 2. CEBA-2012:0456 CentOS 6 expect FASTTRACK Update (Johnny Hughes) 3. CEBA-2012:0455 CentOS 6 libuser FASTTRACK Update (Johnny Hughes) 4. CEBA-2012:0454 CentOS 6 vim FASTTRACK Update (Johnny Hughes) ---------------------------------------------------------------------- Message: 1 Date: Thu, 5 Apr 2012 01:04:52 +0000 From: Johnny Hughes <johnny(a)centos.org> Subject: [CentOS-announce] CEBA-2012:0452 CentOS 6 db4 FASTTRACK Update To: centos-announce(a)centos.org Message-ID: <20120405010452.GA24603(a)chakra.karan.org> Content-Type: text/plain; charset=us-ascii CentOS Errata and Bugfix Advisory 2012:0452 Upstream details at : https://rhn.redhat.com/errata/RHBA-2012-0452.html The following updated files have been uploaded and are currently syncing to the mirrors: ( sha256sum Filename ) i386: 0a466556f5dd693a22fe8b60a17f36ee520a86709a2bb8f9890892a744b5f744 db4-4.7.25-17.el6.i686.rpm f3ea647e99d9c6025aa9d52c0ea5a8fe6c87882983f96da7962ddae77f7fcd39 db4-cxx-4.7.25-17.el6.i686.rpm 1955922d352baef7a5762ff5120f19848156d8326435e0558b724aba665e8635 db4-devel-4.7.25-17.el6.i686.rpm 492f272e50760b050e493689b6f646322985a29afa090ff678ba557f1936ab4a db4-devel-static-4.7.25-17.el6.i686.rpm ddfff0ab683e1a8404c51187728eb2a8216b1e00f8a3874091976780df778387 db4-java-4.7.25-17.el6.i686.rpm 8a0a58dcbdf25de16c3f02a0c0344de1483543b64e9201bef0aca3aa0f6a392b db4-tcl-4.7.25-17.el6.i686.rpm cb92d90ac31fe066b5f7727244711c5312601b2c8bbb7eb813d88a9cf1bb9de9 db4-utils-4.7.25-17.el6.i686.rpm x86_64: 0a466556f5dd693a22fe8b60a17f36ee520a86709a2bb8f9890892a744b5f744 db4-4.7.25-17.el6.i686.rpm 1af69a9921742f41f57d09f03d2076174e28f9020b32fa6a18dc662fc7c77f2e db4-4.7.25-17.el6.x86_64.rpm f3ea647e99d9c6025aa9d52c0ea5a8fe6c87882983f96da7962ddae77f7fcd39 db4-cxx-4.7.25-17.el6.i686.rpm bade71631c61e4bc9ffe1f8c30060a3cbc4fcd1c453365fd223220d5d4c20868 db4-cxx-4.7.25-17.el6.x86_64.rpm 1955922d352baef7a5762ff5120f19848156d8326435e0558b724aba665e8635 db4-devel-4.7.25-17.el6.i686.rpm f6b7ae526caa8b0b771205d5ab6094accbc4cd32318a2a56330f83f2de5f0cb8 db4-devel-4.7.25-17.el6.x86_64.rpm 6651c2c68167b81b2848173c0a8fa13636a2e2e2fda085304e2d7d426816ae16 db4-devel-static-4.7.25-17.el6.x86_64.rpm 284f11258cc2a4ed52ea0eeb4fbbf914fdc06316d9e744545aaaafe7af2bf4cb db4-java-4.7.25-17.el6.x86_64.rpm 471ce4382d34803462cc69a930d3bb0c8e06c35faaa5ae36b2796bd1ee96667e db4-tcl-4.7.25-17.el6.x86_64.rpm 1eb0fc38dfbfb019fecc3ab35e3f1e2e4fe38e4eb6a107a3e643bdefbbeb2cea db4-utils-4.7.25-17.el6.x86_64.rpm Source: 4d7e1cfb9d369a22052f4f1d519b28a2ce6c54eee67ce243a530b038f4b4b887 db4-4.7.25-17.el6.src.rpm -- Johnny Hughes CentOS Project { http://www.centos.org/ } irc: hughesjr, #centos(a)irc.freenode.net ------------------------------ Message: 2 Date: Thu, 5 Apr 2012 09:30:55 +0000 From: Johnny Hughes <johnny(a)centos.org> Subject: [CentOS-announce] CEBA-2012:0456 CentOS 6 expect FASTTRACK Update To: centos-announce(a)centos.org Message-ID: <20120405093055.GA17173(a)chakra.karan.org> Content-Type: text/plain; charset=us-ascii CentOS Errata and Bugfix Advisory 2012:0456 Upstream details at : https://rhn.redhat.com/errata/RHBA-2012-0456.html The following updated files have been uploaded and are currently syncing to the mirrors: ( sha256sum Filename ) i386: 5586d8820e0bd92006b7106dbd0a84f68b0c740fb38a7ddab43c0fb82baf26a7 expect-5.44.1.15-4.el6.i686.rpm 4eff6af69f61bd24f891df0a4dd3e66feb8792bcfd0f39dd40f17ad3251af1eb expect-devel-5.44.1.15-4.el6.i686.rpm c3739d8f9a0ad6b29c001f2d7b6951e127834c634d29302d17500b5fdb3f84d0 expectk-5.44.1.15-4.el6.i686.rpm x86_64: a5b16ad36a6b3799bf1213155f6b74ddf97e2b12be3f4def9cd05cbd7f981535 expect-5.44.1.15-4.el6.x86_64.rpm 4eff6af69f61bd24f891df0a4dd3e66feb8792bcfd0f39dd40f17ad3251af1eb expect-devel-5.44.1.15-4.el6.i686.rpm a70e07f15107d548a3dcdcafcc8b73db5416b2603bf70c0f286b2663a3cb8d2c expect-devel-5.44.1.15-4.el6.x86_64.rpm 5bb6394a3bede9afedfb05665434d618d0e2fd9b378a6da8013ccb4410c4640f expectk-5.44.1.15-4.el6.x86_64.rpm Source: cae59720bc704b2e7ae1bbfb74b18badb58f675865d9e5fd38b9e3b2b457e240 expect-5.44.1.15-4.el6.src.rpm -- Johnny Hughes CentOS Project { http://www.centos.org/ } irc: hughesjr, #centos(a)irc.freenode.net ------------------------------ Message: 3 Date: Thu, 5 Apr 2012 09:31:12 +0000 From: Johnny Hughes <johnny(a)centos.org> Subject: [CentOS-announce] CEBA-2012:0455 CentOS 6 libuser FASTTRACK Update To: centos-announce(a)centos.org Message-ID: <20120405093112.GA17262(a)chakra.karan.org> Content-Type: text/plain; charset=us-ascii CentOS Errata and Bugfix Advisory 2012:0455 Upstream details at : https://rhn.redhat.com/errata/RHBA-2012-0455.html The following updated files have been uploaded and are currently syncing to the mirrors: ( sha256sum Filename ) i386: ceb43462a9184541e1685f69d88050092564e56860e84b827a090dec8ed767fb libuser-0.56.13-5.el6.i686.rpm b2a788c47476f2fb214e36480ecfde35b86ae5e38b379fdd3d19048190bb3f85 libuser-devel-0.56.13-5.el6.i686.rpm e7a39e212a88b05ea1ec7be55d5c2eddd7cafd8f9289238ae603b795a410889e libuser-python-0.56.13-5.el6.i686.rpm x86_64: ceb43462a9184541e1685f69d88050092564e56860e84b827a090dec8ed767fb libuser-0.56.13-5.el6.i686.rpm 02eae00eeaa462fc48b256363a907e7af573d49a89c1b5d283de7466caf5ad2e libuser-0.56.13-5.el6.x86_64.rpm b2a788c47476f2fb214e36480ecfde35b86ae5e38b379fdd3d19048190bb3f85 libuser-devel-0.56.13-5.el6.i686.rpm 3f1df58a83b521ed7d17c7d5e89b93d6e7490141af4364d183156f1ddbfc9dc2 libuser-devel-0.56.13-5.el6.x86_64.rpm 738895ecf2333a7da1bb4918aa2a2c76b5ae368607a680817315204abb1bf8a5 libuser-python-0.56.13-5.el6.x86_64.rpm Source: 53124a0d7d2a68a1fe6f0f866aed981b04d926b19af538c6b5781a0774df7a8d libuser-0.56.13-5.el6.src.rpm -- Johnny Hughes CentOS Project { http://www.centos.org/ } irc: hughesjr, #centos(a)irc.freenode.net ------------------------------ Message: 4 Date: Thu, 5 Apr 2012 09:31:26 +0000 From: Johnny Hughes <johnny(a)centos.org> Subject: [CentOS-announce] CEBA-2012:0454 CentOS 6 vim FASTTRACK Update To: centos-announce(a)centos.org Message-ID: <20120405093126.GA17350(a)chakra.karan.org> Content-Type: text/plain; charset=us-ascii CentOS Errata and Bugfix Advisory 2012:0454 Upstream details at : https://rhn.redhat.com/errata/RHBA-2012-0454.html The following updated files have been uploaded and are currently syncing to the mirrors: ( sha256sum Filename ) i386: f5fb381c68dac283a214458c704c4bce8eba4a6c636f9d1b7672f54912e18bc9 vim-common-7.2.411-1.8.el6.i686.rpm 61855df8d9f959a330aaef27cb68e2b01a01191025df71a899e945f041b0a53f vim-enhanced-7.2.411-1.8.el6.i686.rpm c0abf94bfbdb56bacf272b31b9745949e8c35343278752b8f81849176b515285 vim-minimal-7.2.411-1.8.el6.i686.rpm cfd893d5edd1367f4a5ce3779b960a33f4e9791ee579e574c3e4391d13f1c5b3 vim-X11-7.2.411-1.8.el6.i686.rpm x86_64: 73c61d9f458d3ea2081fce72fbed8de89727c1a84c959e121ac948018096da88 vim-common-7.2.411-1.8.el6.x86_64.rpm 36a522df046529d9d89b9db7b209e8022ebbe2b5cad93db2fb6abe2e41b959cd vim-enhanced-7.2.411-1.8.el6.x86_64.rpm 3947daf8bfbb73828aae038dad4c8fd058acdf9c3dedf1c4e3ab77679b765b27 vim-minimal-7.2.411-1.8.el6.x86_64.rpm 88995047803fc1c494071de4c6fcce111cce7c70417f526c7e3e833a4b3a194d vim-X11-7.2.411-1.8.el6.x86_64.rpm Source: 8c9329d176739e60e6e3886baef84bab687fb467de73e24c34e0df3c88c69dce vim-7.2.411-1.8.el6.src.rpm -- Johnny Hughes CentOS Project { http://www.centos.org/ } irc: hughesjr, #centos(a)irc.freenode.net ------------------------------ _______________________________________________ CentOS-announce mailing list CentOS-announce(a)centos.org http://lists.centos.org/mailman/listinfo/centos-announce End of CentOS-announce Digest, Vol 86, Issue 4 **********************************************

1 0

Next kernel?
by m.roth＠5-cent.us 05 Apr '12

05 Apr '12

First, let me say that I don't know if you're getting paid for the work you do for CentOS, but the speed that you put out updates - they're out around or before I get the email from RH - is very much appreciated, and if we're ever at the same place, I'd like to buy you a drink. Now, a week or two ago, someone was posting here, having problems with NFS hanging under a heavy load, and IIRC, mentioned successfully testing with a newer RHEL kernel - was it 2.6.32-250 or so? - and I was wondering how soon that was in the pipeline, because I'd like to play with it. We don't have it hanging with the current and last couple 6.2 kernels, but reading from and writing to an NFS-mounted directory is six times slower than reading from that directory, and writing to the local disk; for that reason, we've stopped pushing the migration from 5.x to 6.2 on our home directory servers, and rolled several back to 5.x mark

2 1

6.2 - How to check for a failed disk using LVM with a hardware RAID (3ware)
by Jonathan Vomacka 05 Apr '12

05 Apr '12

CentOS Community, What commands can I use to check the disk health of the system when LVM2 is being used on top of a RAID 10 using a HARDWARE 3ware raid card. The OS sees a hardware raid usually as one big drive. Is there a way to check the disks individually to see if any are failing, or throwing hard or scsi transport errors?

5 4

Block outgoing connections for certaing uids (root, apache, nobody)
by Alexander Farber 05 Apr '12

05 Apr '12

Good morning With iptables in CentOS 5 and 6 Linux - how can you please prevent processes running as "root", "apache" or "nobody" from initiating outgoing connections? On CentOS 5 Linux I've tried putting these lines into /etc/sysconfig/iptables: -A OUTPUT -m owner --uid-owner root -j DROP -A OUTPUT -m owner --uid-owner apache -j DROP -A OUTPUT -m owner --uid-owner nobody -j DROP but unfortunately get the error: # sudo service iptables restart iptables: Flushing firewall rules: [ OK ] iptables: Setting chains to policy ACCEPT: filter [ OK ] iptables: Unloading modules: [ OK ] iptables: Applying firewall rules: iptables-restore v1.4.7: owner: Bad value for "--uid-owner" option: "apache" Error occurred at line: 27 Try `iptables-restore -h' or 'iptables-restore --help' for more information. [FAILED] Thank you Alex

5 5

32/64-bit Library Sharing and Placement
by Brian McGrew 05 Apr '12

05 Apr '12

Good evening... I'm rebuilding much of the gnu toolchain for some development testing I'm working. GMP, MPC, MPFR, PPL, as well as many others. I need to be able to have both 32 and 64 bit versions of these libraries avilable on the system, in more or less the same path (/toolchain/lib, /toolchain/lib64). Generically speaking, is there an easy way to build both 32 and 64 bit versions a the same time??? Or, more specifically, what is the best way to get both versions built??? CentOS 6.2 on a Dell 1900 with Xeon 5130 CPU's. -b

2 2

dns cache rbl lists?
by Bob Hoffman 05 Apr '12

05 Apr '12

No idea where else to ask this and get a real qualified answer but here. Not exactly pure centos question....but... I am adding blacklists to my postfix smtpd settings. I have the inkling that after the first lookup for a domain or ip that my dns caches the result and I no longer bother the RBL or RHSBL list owners anymore in that instance. Is that correct? I hate to waste their resources if it is not. thanks, bob

2 2

3.2 kernel with C5? Or ndiswrapper?
by Stephen Harris 04 Apr '12

04 Apr '12

I know, I know... don't use the non-standard kernels unless you have to... BUT: I have a D-Link N150 USB card. Bus 001 Device 004: ID 0846:9030 NetGear, Inc. WNA1100 Wireless-N 150 [Atheros AR9271] This isn't supported in C5, but it is supported in newer kernels (ath9k_htc). So let's try NDISwrapper: # rpm -i kmod\-ndiswrapper\-1.56\-1.el5.elrepo.i686.rpm ndiswrapper\-utils\-1.56\-1.el5.elrepo.i386.rpm warning: kmod-ndiswrapper-1.56-1.el5.elrepo.i686.rpm: Header V3 DSA signature: NOKEY, key ID baadae52 Working. This may take some time ... Done. # cd WLAN/ # ls athuw.sys* netathuw.cat* netathuw.inf* # ndiswrapper -i netathuw.inf installing netathuw ... forcing parameter MapRegisters from 256 to 64 forcing parameter MapRegisters from 256 to 64 [repeated multiple times] # ndiswrapper -l netathuw : driver installed device (0846:9030) present # modprobe ndiswrapper # dmesg | tail -5 ndiswrapper: driver netathuw (,09/30/2010,7.7.0.98) loaded wlan0: ethernet device c4:3d:c7:bc:ea:89 using NDIS driver: netathuw, version: 0x70007, NDIS version: 0x501, vendor: 'NDIS Network Adapter', 0846:9030.F.conf wlan0: encryption modes supported: WEP; TKIP with WPA, WPA2, WPA2PSK; AES/CCMP with WPA, WPA2, WPA2PSK usbcore: registered new driver ndiswrapper ADDRCONF(NETDEV_UP): wlan0: link is not ready # ifconfig wlan0 wlan0 Link encap:Ethernet HWaddr C4:3D:C7:BC:EA:89 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) # /sbin/iwlist wlan0 scan | grep ESSID.*sweh ESSID:"sweh" So far, so good! BUT... # iwconfig wlan0 nickname fred # iwconfig wlan0 essid sweh # iwconfig wlan0 wlan0 IEEE 802.11g ESSID:off/any Nickname:"fred" Mode:Managed Frequency:2.412 GHz Access Point: Not-Associated Bit Rate=150 Mb/s Encryption key:off Power Management:off Link Quality:0 Signal level:0 Noise level:0 Rx invalid nwid:0 Rx invalid crypt:0 Rx invalid frag:0 Tx excessive retries:0 Invalid misc:0 Missed beacon:0 Hmm, ESSID isn't being set. If I try to configure wpa_supplicant then it never associates properly. So I'm not totally convinced ndiswrapper is working for me. So I figured... dammit; let's try a generic kernel. Not good, but... I compile 3.2.9, install the modules and then try an boot... and it fails to find my root disk and panics. I can see from the boot messages that the kernel is seeing them, but it's failing to mount and switchroot. (of course I can't get useful information 'cos you can't do anything useful after a panic!) Looking at the initrd, it seems to have all the right drivers and modules, and the init script _looks_ correct... but it's just not working. Has anyone else tried to get 3.2.9 to work with C5.8? Or has anyone any advice for getting ndiswrapper to work for me (or other ways of running the N150 card)? Thanks! -- rgds Stephen

5 14

virtio or IDE on SBS 2011 (or any domain controller)
by Jacob Hydeman 04 Apr '12

04 Apr '12

CentOS 6.2, using latest KVM drivers for Windows guests. Using LVM for storage, software raid 10, RAW with write cache disabled in the virt manager. When using virtio drivers for disk drives Windows Server complains about write caching being enabled. I can't disable it either. Using IDE prevents this from being happening, however the performance sucks. All searches related to fixing the write cache issue results in it being a controller setting, bios setting or manufacturer flaw. Since this is all software raid, LVM and Red Hat's virtio drivers it doesn't apply (or at least is fixable by others methods). My concern is data integrity over performance, but I'd like to know what others are doing. My fallback plan is to use IDE for the OS and virtio for the Data drive, moving Exchange and the folder redirects to the data drive (or even a different server install attached to the domain), but I'd appreciate others experiences before I resign to dealing with this limitation. Thanks, Jacob

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