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no access to certain WEB sites using CentOS 6.5
by Igor Furlan 21 Dec '14

21 Dec '14

HW: Lenovo T520 laptop with MS WIN 7 OR dedicated PC (DELL GX 280) SW: CentOS 6.5 (64-bit) installed using VMware Player on MS WIN 7 host CASE A) -- BRIDGED networking selected CASE B) -- NAT networking OR CentOS 6.5 i(32-bit) nstalled on real HW (DELL OptiPlex GX 280) ___issue____ at hand: The default Firefox ESR browser (17.0.10) does not find many web pages. regardless of the system (virtual - bridged or NAT OR real HW) For example: https://www.google.com/ works When I enter into search field string 'opera browser' https://www.google.com/search?q=opera+browser&ie=utf-8&oe=utf-8&aq=t&rls=or… I do get a lot of results back. So far so good. Then I click on the first searched link http://www.opera.com/ I get back Server not found Firefox can't find the server at www.opera.com Then I open gnome-terminal and type ping www.opera.com I get back __nothing__ [igor@localhost ~]$ ping www.opera.com PING www.route53.opera.com (54.244.236.138) 56(84) bytes of data. but when I type ping opera.com I get back [igor@localhost ~]$ ping opera.com PING opera.com (185.26.182.79) 56(84) bytes of data. 64 bytes from front-ams.opera.com (185.26.182.79): icmp_seq=1 ttl=41 time=174 ms 64 bytes from front-ams.opera.com (185.26.182.79): icmp_seq=2 ttl=41 time=122 ms ======================== another example ======================== http://www.delo.si/ works http://www.dnevnik.si does __not__ work http://www.centos.org/ works but when I click on the link Special Interest Group on the same page http://wiki.centos.org/SpecialInterestGroup , the link does NOT work. I get back Server not found Firefox can't find the server at www.opera.com. :::important::: All the examples from above work flawlessly on the MS WIN 7 on the same laptop, the same ETHERNET cable connected to the same switch hub with the same router at the same time. [Reminder: CentOS 6.5 runs on VMWare on WIN 7] Any hint, FAQ, pointer to RTFM is more than welcome I am puzzled, please help -- "You can't run an economy where the financial sector is making 40 percent of the profits." former Fed Chairman Paul Volcker 2009

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Changing LANG from de_DE to en_US in CentOS 6
by Alexander Farber 21 Dec '14

21 Dec '14

Hello, on a Macbook with OSX Yosemite (which prints de_DE.UTF-8 as value of $LANG in Terminal) and VmWare Fusion 7 I have installed CentOS 6.6 minimal. When I ssh to my new VM as root, the $LANG is de_DE.UTF-8 too. I would like it to be en_US.UTF-8 instead. I have grepped /etc and /root for "de_DE", but nothing is found there. Grepping for LANG in /etc gives many results, esp. /etc/sysconfig/i18n contains: LANG="en_US.UTF-8" SYSFONT="latarcyrheb-sun16" So where does the change to de_DE happen and what is the best spot in CentOS 6 to set that to en_US.UTF-8 (I understand that I could set LANG in /root/.bash_profile but am looking for a better place to do that). Thank you Alex

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Re: [CentOS] WARNING: No module xenblk found for kernel
by Peter 21 Dec '14

21 Dec '14

On 12/19/2014 03:52 PM, Dave Stevens wrote: > what you say makes sense, but leaves me with two problems - what to do > and how did this happen? You never mentioned if this is for a dom0 or domu, if it's a domu is it a pv or hvm domain and does it use pvgrub, pygrub or does it boot directly to a kernel on the dom0? Also paste the output of this command from the affected domain: rpm -q kernel kernel-xen Peter

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CentOS-announce Digest, Vol 118, Issue 13
by centos-announce-request＠centos.org 20 Dec '14

20 Dec '14

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. CESA-2014:2023 Moderate CentOS 7 glibc Security Update (Johnny Hughes) 2. CESA-2014:2024 Important CentOS 7 ntp Security Update (Johnny Hughes) 3. CESA-2014:2025 Important CentOS 5 ntp Security Update (Johnny Hughes) 4. CESA-2014:2024 Important CentOS 6 ntp Security Update (Johnny Hughes) ---------------------------------------------------------------------- Message: 1 Date: Fri, 19 Dec 2014 12:43:11 +0000 From: Johnny Hughes <johnny(a)centos.org> To: centos-announce(a)centos.org Subject: [CentOS-announce] CESA-2014:2023 Moderate CentOS 7 glibc Security Update Message-ID: <20141219124311.GA21244(a)n04.lon1.karan.org> Content-Type: text/plain; charset=us-ascii CentOS Errata and Security Advisory 2014:2023 Moderate Upstream details at : https://rhn.redhat.com/errata/RHSA-2014-2023.html The following updated files have been uploaded and are currently syncing to the mirrors: ( sha256sum Filename ) x86_64: 6dd25ccaf1f9d06ca9da4f515916d2afb1a2aab9527ba5340dbe14f18cf4b86c glibc-2.17-55.el7_0.3.i686.rpm e8daa909b6c2b4b6cc5565f84b8b881524c533adbfe962a4fe077d75b5977841 glibc-2.17-55.el7_0.3.x86_64.rpm 7738dd89e4b58c59dfe9e47ea04fd3ec40e583370bdda83f6f59cd5b09c4fd87 glibc-common-2.17-55.el7_0.3.x86_64.rpm 715d929c131541e17d12845e09689e2fff7cc123cd0d5b3de0bb5532862ab213 glibc-devel-2.17-55.el7_0.3.i686.rpm 9d39f3c916237fecf8407b1d39a2b5fd5e762cd94f1d65d02996ca54ebcd0454 glibc-devel-2.17-55.el7_0.3.x86_64.rpm 916f461547801dc1b762ecf755de264f0658ef5c837a3f2ef6936c3d3bf63afd glibc-headers-2.17-55.el7_0.3.x86_64.rpm 77b9a62ca495e1cc8b58df4905bf56b54ce26f4b0b1020b1ad8dacdaf30562b8 glibc-static-2.17-55.el7_0.3.i686.rpm 773fbf04671daacd4bdb5faa04f8d33ead963e3722ae3ec8748434230518f7dc glibc-static-2.17-55.el7_0.3.x86_64.rpm 126c340881e9d1e412be815e3dd5d82f2ad8afaec3a64bea08073f4695b0d94e glibc-utils-2.17-55.el7_0.3.x86_64.rpm deb39b89130b67cfedc8aaf1c523682088ae5afd169d4dd20f04790c3849e265 nscd-2.17-55.el7_0.3.x86_64.rpm Source: ef01d54770aaadf87479258e8e16bd8d9e117dd83eb9f9dccf8190379240f39a glibc-2.17-55.el7_0.3.src.rpm -- Johnny Hughes CentOS Project { http://www.centos.org/ } irc: hughesjr, #centos(a)irc.freenode.net ------------------------------ Message: 2 Date: Sat, 20 Dec 2014 02:57:22 +0000 From: Johnny Hughes <johnny(a)centos.org> To: centos-announce(a)centos.org Subject: [CentOS-announce] CESA-2014:2024 Important CentOS 7 ntp Security Update Message-ID: <20141220025722.GA39409(a)n04.lon1.karan.org> Content-Type: text/plain; charset=us-ascii CentOS Errata and Security Advisory 2014:2024 Important Upstream details at : https://rhn.redhat.com/errata/RHSA-2014-2024.html The following updated files have been uploaded and are currently syncing to the mirrors: ( sha256sum Filename ) x86_64: eb1f37503849be8074e2fe9cc96c16b8f4043f9e63d5c22770a93393f0d3fd25 ntp-4.2.6p5-19.el7.centos.x86_64.rpm 3fbe5561138599a1b6c0d1f87e63d3c50852c30854ab7ee0f9f0b1f13797b87e ntpdate-4.2.6p5-19.el7.centos.x86_64.rpm 41dcf9b65721d05b684aa126b239f318233584a9f699237886536b75affc5b4a ntp-doc-4.2.6p5-19.el7.centos.noarch.rpm 7a45a9a20e6c3c1ab4d793967efe50e82ce7ef1c6f7259596766cb41eac65f8b ntp-perl-4.2.6p5-19.el7.centos.noarch.rpm 7f5f51553c687deaa9fb148f872c285a48bf99811f9e43651c62762ba0449510 sntp-4.2.6p5-19.el7.centos.x86_64.rpm Source: 96b24731ac00a500ce36c8d15d5cefc22cfb915caebe49a3d7f23ef0b487af09 ntp-4.2.6p5-19.el7.centos.src.rpm -- Johnny Hughes CentOS Project { http://www.centos.org/ } irc: hughesjr, #centos(a)irc.freenode.net ------------------------------ Message: 3 Date: Sat, 20 Dec 2014 03:00:03 +0000 From: Johnny Hughes <johnny(a)centos.org> To: centos-announce(a)centos.org Subject: [CentOS-announce] CESA-2014:2025 Important CentOS 5 ntp Security Update Message-ID: <20141220030003.GA29397(a)chakra.karan.org> Content-Type: text/plain; charset=us-ascii CentOS Errata and Security Advisory 2014:2025 Important Upstream details at : https://rhn.redhat.com/errata/RHSA-2014-2025.html The following updated files have been uploaded and are currently syncing to the mirrors: ( sha256sum Filename ) i386: 1f950686ddfeed8a83ab5d34fe7b0005dcf3901a60b191bbe89a76e7a299035c ntp-4.2.2p1-18.el5.centos.i386.rpm x86_64: a1fe8ccc0ae9cc1e9147039c3e02cd8697750e783b0c3b7f29522ce29800b630 ntp-4.2.2p1-18.el5.centos.x86_64.rpm Source: 40a26d1615ec22494f45e082e2a0cb351fab45b67cafd7d91c4401a0310cf15d ntp-4.2.2p1-18.el5.centos.src.rpm -- Johnny Hughes CentOS Project { http://www.centos.org/ } irc: hughesjr, #centos(a)irc.freenode.net ------------------------------ Message: 4 Date: Sat, 20 Dec 2014 03:01:33 +0000 From: Johnny Hughes <johnny(a)centos.org> To: centos-announce(a)centos.org Subject: [CentOS-announce] CESA-2014:2024 Important CentOS 6 ntp Security Update Message-ID: <20141220030133.GA47180(a)n04.lon1.karan.org> Content-Type: text/plain; charset=us-ascii CentOS Errata and Security Advisory 2014:2024 Important Upstream details at : https://rhn.redhat.com/errata/RHSA-2014-2024.html The following updated files have been uploaded and are currently syncing to the mirrors: ( sha256sum Filename ) i386: a386cc5cd78c66c94db33898c131b317f459c79b060ce3ab7579b12e3a743ce3 ntp-4.2.6p5-2.el6.centos.i686.rpm 3e93b6653bf3b41012409bc769680971b291ad8535a0494826d8b73d0dc8ddaf ntpdate-4.2.6p5-2.el6.centos.i686.rpm ba3b3063ee0b6a7b88f4ca857ee903768344d8d2a255b13efb8ab0ae9b3886e3 ntp-doc-4.2.6p5-2.el6.centos.noarch.rpm a4d20f5db9d88a3c58a67774865be4a517037b0d4705014595c1c13ed61c9085 ntp-perl-4.2.6p5-2.el6.centos.i686.rpm x86_64: 000c102af0592fd232ec9272532b936d578c1a393fd300579b86f2787812657a ntp-4.2.6p5-2.el6.centos.x86_64.rpm 4a78c7a0ebd6597665a5a9167d9bbaf9b2715db79c3479e5aed2fe225a70e6fb ntpdate-4.2.6p5-2.el6.centos.x86_64.rpm ba3b3063ee0b6a7b88f4ca857ee903768344d8d2a255b13efb8ab0ae9b3886e3 ntp-doc-4.2.6p5-2.el6.centos.noarch.rpm 5c043bcfebf3e0fc5150ef4543a656fa8926f7cc3cc5ffc287ed6dbd73540b18 ntp-perl-4.2.6p5-2.el6.centos.x86_64.rpm Source: b7a1a28cd91d2c10e52128ffab56ff14c83edcc8d143e5980d14e792ac804a40 ntp-4.2.6p5-2.el6.centos.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 118, Issue 13 ************************************************

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I can't see some of my onwn e-mails ...
by Bill Maltby (C4B) 20 Dec '14

20 Dec '14

I sometimes receive e-mails I post to this list, like I did the bug I reported about X problems, but other times not, like my first post about that before I reported the bug. That one appeared in gmane, but Evolution never picked it up. And today I've not seen either of my posts but I know it got there because I did see a reply to my post about the flash plugin and it had a snippet of my post init. I've looked at all the seetings I can think of and nothing struck me as suppressing my own. I use gmail and ISTR a discussion recently about some issues with that. Anyone got a clue(bat) for me? Thanks, Bill

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NTP Vulnerability?
by listmail 20 Dec '14

20 Dec '14

I just saw this: https://ics-cert.us-cert.gov/advisories/ICSA-14-353-01 which includes this: " A remote attacker can send a carefully crafted packet that can overflow a stack buffer and potentially allow malicious code to be executed with the privilege level of the ntpd process. All NTP4 releases before 4.2.8 are vulnerable." "This vulnerability is resolved with NTP-stable4.2.8 on December 19, 2014." I guess no one has had time to respond yet. Wonder if I should shut down my external NTP services as a precaution? --Bill

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Asymmetric encryption for very large tar file
by Xinhuan Zheng 19 Dec '14

19 Dec '14

Hello CentOS list, I have a requirement that I need to use encryption technology to encrypt very large tar file on a daily basis. The tar file is over 250G size and those are data backup. Every night the server generated a 250G data backup and it¹s tar¹ed into one tarball file. I want to encrypt this big tarball file. So far I have tried two technologies with no success. 1) generating RSA 2048 public/private key pair via ³openssl req -x509 -nodes -newkey rsa:2048 -keyout private.pem -out public.pem² command and uses the public key to encrypt the big tar file. The encryption command I used is "openssl smime -encrypt -aes256 -in backup.tar -binary -outform DEM -out backup.tar.ssl public.pem². The resulting backup.tar.ssl file is only 2G then encryption process stops there and refuse to do more. Cannot get around 2G. 2) generating GPG public/private key pair via ³gpg ‹gen-key² then encrypt with "gpg -e -u "backup" -r "backup² backup.tar². However, the gpg encryption stops at file size 50G and refuse to do more and the gpg process took over 48 hours. The server is very capable. It¹s 8 CPU Intel 2.33 GHz 16G RAM installing latest RHEL 5.11. Thought CentOS 5 is pretty much compatible in release with RHEL 5. I have searched google and found out a technique that utilizes the symmetric encryption. Then it needs to generate a symmetric key every day and uses public/private key pair to encrypt the symmetric key. However the drawback is that we don¹t know how to manage the symmetric key securely. We can¹t leave the un-encrypted symmetric key there on the server but we have to use the un-encrypted symmetric key for encryption process. Plus we¹ll need to manage the symmetric encryption key, public and private key pair 3 things securely. Has anyone had experience on managing the asymmetric encryption for very large file and what¹s the best practice for that? Thanks. - xinhuan

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Re: [CentOS] How to configure xguest Firefox home page
by James B. Byrne 19 Dec '14

19 Dec '14

On Mon, December 8, 2014 21:12, David McGuffey wrote: > I've installed CentOS 6.6 on a workstation at a local non-profit as a > kiosk machine. I used xguest. Works great, except now the customer > wants the Firefox homepage to be one pointing to a particular site. > Doesn't seem to be much documentation on how to make minor changes to > the account. Lots of SELinux guidance, but nothing about default home > page, etc. > > Dave > > > > See: /usr/lib/firefox/firefox.cfg Add: lockPref("browser.startup.homepage", "http://www.example.com/path/) Google: FireFox Kiosk -- *** E-Mail is NOT a SECURE channel *** James B. Byrne mailto:ByrneJB@Harte-Lyne.ca Harte & Lyne Limited http://www.harte-lyne.ca 9 Brockley Drive vox: +1 905 561 1241 Hamilton, Ontario fax: +1 905 561 0757 Canada L8E 3C3

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How to configure xguest Firefox home page
by David McGuffey 19 Dec '14

19 Dec '14

I've installed CentOS 6.6 on a workstation at a local non-profit as a kiosk machine. I used xguest. Works great, except now the customer wants the Firefox homepage to be one pointing to a particular site. Doesn't seem to be much documentation on how to make minor changes to the account. Lots of SELinux guidance, but nothing about default home page, etc. Dave

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Re: [CentOS] WARNING: No module xenblk found for kernel
by Peter 19 Dec '14

19 Dec '14

On 12/20/2014 07:02 AM, Dave Stevens wrote: > $ rpm -q kernel kernel-xen > kernel-2.6.18-371.11.1.el5 > kernel-2.6.18-371.12.1.el5 > kernel-2.6.18-398.el5 > kernel-2.6.18-400.el5 > kernel-2.6.18-400.1.1.el5 > kernel-xen-2.6.18-371.11.1.el5 > kernel-xen-2.6.18-371.12.1.el5 > kernel-xen-2.6.18-398.el5 > kernel-xen-2.6.18-400.el5 > kernel-xen-2.6.18-400.1.1.el5 It is as I suspected, you've been installing both kernel and kernel-sen the entire time. paste the contents of /etc/grub.conf and then I can give you a proper answer about what to do. Peter

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