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Kickstarting CentOS 7 VM on CentOS 6 not possible?
by Jos Vos 24 Nov '15

24 Nov '15

Hi, On CentOS 6.7 (all updates) kickstarting a CentOS 7 VM (in the way it always has worked for other versions, incl. Fedora 22 VM's), does not work for me. I use virt-install with a local copy of the "images/pxeboot" tree. It all stops with: ... [ OK ] Reached target Paths. [ OK ] Reached target Basic System. dracut-initqueue[551]: Warning: Could not boot. dracut-initqueue[551]: Warning: /dev/root does not exist Starting Dracut Emergency Shell... Warning: /dev/root does not exist ... I found zillion references to similar problems, including PXE-related (I do not use PXE, but "-l" with virt-install) and cobbler-related (no Cobbler involved), and I tried some of the suggestions, but none of them worked. Installing CentOS 7 "manually" using virt-install and the netboot ISO works fine, but I want to use kickstart files. Thanks for any suggestion. -- -- Jos Vos <jos(a)xos.nl> -- X/OS Experts in Open Systems BV | Phone: +31 20 6938364 -- Amsterdam, The Netherlands | Fax: +31 20 6948204

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Kernel route table is empty
by Siva Prasad Nath 24 Nov '15

24 Nov '15

I can add using ifconfig and route. Then I can see kernel route entry table. I reboot system. Then route table is empty. How to make kernel route entry table permanent. -- Shiva Prasad Nath 92981134

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Selling DVD image which include CentOS and our application
by Takuya Yamamoto 24 Nov '15

24 Nov '15

Dear ALL Our company make and sell some measurement system controlled by Server. There is no technical issue but we don't have enough information about license. We will do the following, 1) We make the DVD image which include CentOS and our application. 2) Sell DVD to our customer. 3) Customer installs this image (CentOS and our applications) on the Server. Question 1 Is there no problem from the view point of CentOS license? Question 2 We'd like to know what we should do to CentOS community? e.g. contract, donate I read following past ML https://lists.centos.org/pipermail/centos/2010-June/096074.html But, I want to know latest your comment. br ----------------------- Yamamoto Takuya NEC Platforms, Ltd. NEC Platforms, Ltd. Confidential

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Building for older versions
by Michael Eager 23 Nov '15

23 Nov '15

Hi -- I'm trying to build an application on CentOS 7 which can run on older versions of CentOS. I'm running into problems with versioning of memcpy in Glibc. Executables built on CentOS 7 require memcpy from glibc-2.14, which causes the program not to load on systems with older versions of glibc. My online search suggests to add an asm() with a .symver option to select memcpy from glibc-2.2.5 in each of the source files which reference memcpy(). This isn't practical with a program with tens of thousands of source files. Does anyone have a reasonable solution? -- Michael Eager eager(a)eagercon.com 1960 Park Blvd., Palo Alto, CA 94306 650-325-8077

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Virtual Server in Windows 7
by Siva Prasad Nath 23 Nov '15

23 Nov '15

Hi, I am creating a virtual machine. My laptop is i686 system. Please advice me which Centos verson can be downloaded? With regards, Shiva

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httpd 2.3 or 2.4 repository for CentOS 6.X anywhere?
by Jobst Schmalenbach 23 Nov '15

23 Nov '15

Hi is there a yum repository for httpd 2.3 or 2.4 for CentOS 6.X anywhere? Like remi for php/mysql? thanks Jobst -- f u cn rd ths, u cn gt a gd jb n cmptr prgmmng. [Anon] | |0| | Jobst Schmalenbach, jobst(a)barrett.com.au, General Manager | | |0| Barrett Consulting Group P/L & The Meditation Room P/L |0|0|0| +61 3 9532 7677, POBox 277, Caulfield South, 3162, Australia

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After reboot of web-server accessing website shows "Forbidden", restarting httpd all is fine
by Jobst Schmalenbach 23 Nov '15

23 Nov '15

Hi. I am stuck with this one and I do not know where and how to search for this problem nor do I know how to fix it. When I reboot one of our servers (CentOS 6.7, selinux target, yum fully updated) the http server loads fine (no erros) but when accessing one of the server's websites it displays "Forbidden", restarting the httpd server (command line) will give full access and all is fine. What troubles me that a simple restart of the daemon fixes everything but it does not come up on reboot. [Sat Nov 07 13:02:44 2015] [notice] caught SIGTERM, shutting down [Sat Nov 07 13:02:45 2015] [notice] SELinux policy enabled; httpd running as context unconfined_u:unconfined_r:unconfined_t:s0-s0:c0.c1023 [Sat Nov 07 13:02:45 2015] [notice] suEXEC mechanism enabled (wrapper: /usr/sbin/suexec) [Sat Nov 07 13:02:45 2015] [notice] Digest: generating secret for digest authentication ... [Sat Nov 07 13:02:45 2015] [notice] Digest: done [Sat Nov 07 13:02:45 2015] [notice] Apache/2.2.15 (Unix) PHP/5.4.45 mod_ssl/2.2.15 OpenSSL/1.0.1e-fips mod_wsgi/3.2 Python/2.6.6 mod_perl/2.0.4 Perl/v5.10.1 configured -- resuming normal operations I started it with an strace but I cant find anything that looks suspicious ... Putting selinux into permissive mode starts the server right from boot. Looking at all the logs I cannot see anything. Any ideas? Jobst -- Though the pen IS mightier than the sword, the sword is mightier at any given moment. | |0| | Jobst Schmalenbach, jobst(a)barrett.com.au, General Manager | | |0| Barrett Consulting Group P/L & The Meditation Room P/L |0|0|0| +61 3 9532 7677, POBox 277, Caulfield South, 3162, Australia

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Urgent Help
by Siva Prasad Nath 23 Nov '15

23 Nov '15

Hi, >From yesterday my server was down. It was showing only rescue menu. I copy grub.cfg to grub.cfg.old. Replace grub.cfg from another server. Now I cannot start server. How to revert back grub.cfg and how to put vm in the boot folder? Thanks in advance. Shiva

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[Slightly OT] - Looking for shadow-utils 4.2 SIG or SCL
by Anthony K 22 Nov '15

22 Nov '15

Hi. I'm looking to run unprivileged containers on CentOS 7 and this apparently requires shadow-utils 4.2 or higher [*0*]. CentOS 7 currently has: # rpm -q shadow-utils shadow-utils-4.1.5.1-18.el7.x86_64 Is there a SIG or SCL that provides an updated package to facilitate my venture or am I left with the only choice of manually managing shadow-utils if I go the route of rpmbuild? AK. [*0*]: https://it-offshore.co.uk/linux/centos/29-centos-7-unprivileged-lxc-contain…

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CPU Limit in Centos
by Edward Ned Harvey (centos) 21 Nov '15

21 Nov '15

A few years ago, I vaguely recall some issue with RHEL needing a special license or something like that, if you had more than a certain amount of CPU's or a certain amount of RAM. Does Centos work fine for 2 CPU's, 16 cores, 32 threads, and 256 G of ram? Centos6 specifically.

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