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34758 discussions

Raising ftp priority?
by hadi motamedi 12 Jan '10

12 Jan '10

Dear All I need to ftp all of the files & folders of CentOS 5 server through WS_FTP . But it just lets for /home/www user login , but not root user . As I want to see and have all of files , can you please let me know how can I raise the ftp priority such that WS_FTP can login as root user . Thank you

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rsync optimization
by xufengnju 12 Jan '10

12 Jan '10

Hi, We currently have upload servers in one data center(A), and users upload the images there. We have storage server in another data center(B). When users upload many images at the same time, we face sync difficulties. On B, we use rsync in server mode, with authentication. On A, we use `rsync -azpogtRv --safe-links 1/ rsync://user@serverB/img/ --password-file=/var/www/r.passwd ` Both ends run centos 5.3 X86_64. Any suggestions to optimize rsync in this case? Thank you in advance. 2010-01-11 xufengnju

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Horde - epel vs. extras?
by Les Mikesell 11 Jan '10

11 Jan '10

When updating a centos 5.x box with the horde package, should the extras or epel version win? -- Les Mikesell lesmikesell(a)gmail.com

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Help finding the X man page.
by Todd Denniston 11 Jan '10

11 Jan '10

I would like to tweak the way my gnome-terminals are coming up and the `man gnome-terminal` refers me to the "X" man page (specifically for --geometry). Although I have found what is probably an adequate version on line[1] (from the x.org folks no less), I would like to have the man page from CentOS ON my system. my yum foo is not doing so well... $ yum whatprovides \*/man7\*/X\*gz Loaded plugins: fastestmirror, security No Matches found and $ yum whatprovides \*/man\*/X\*gz ... is a bit overwhelming and did not seem to have what I was looking for. further gentle clue-by-four available? [1] http://www.x.org/archive/X11R6.8.1/doc/X.7.html -- Todd Denniston Crane Division, Naval Surface Warfare Center (NSWC Crane) Harnessing the Power of Technology for the Warfighter

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looking for kernel-xen- 2.6.18-164.el5
by Rudi Ahlers 11 Jan '10

11 Jan '10

Hi all, does anyone know where I can download kernel-xen- 2.6.18-164.el5 for CentOS 5? I can't install it with yum, since yum has a much newer version already. I have searched google, but can't find a download link, only a lot of references to the kernel w.r.t problems. -- 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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Laptop for CentOS-5
by James B. Byrne 11 Jan '10

11 Jan '10

I have a defective HP-Compaq nx9420 and so I am looking to replace it. I have pretty much decided to buy no further MicroSoft based products and would very much like to hear recommendations for a suitable notebook host to provide me with Linux based alternative. Given that all the basic functionality required is provided, the main thing that I am looking for is reliability of the host itself. I do a deal of traveling so physical robustness is an issue. But I also use my notebook for hours at a time, generally every day. This means that I am typically on a/c current rather than batteries and that power regulation and heat dissipation are also concerns. The power regulator circuit is in fact what I believe has failed on the nx9420. Not infrequently I have the notebook on my chest or lap while working at home. So the ventilation clearances provided by a flat desk support are frequently absent and the notebook design must accommodate this. I would like to use CentOs as this is what I am most familiar with. But, I am open to CentOS alternatives like Ubuntu or even a non-Linux alternative like a PowerMac with OS-X. I have already looked at the Dell site on the basis of a friends recommendation. While Dell mentions Ubuntu is available for some of their notebook computers they do not seem to provide any way to actually configure a system with it. So, my desires are: WANT: Robust construction Reliable quality Reasonable weight (< 2.5 kg all in) Supported sound and video reproduction of reasonable quality 15-17" lcd screen Out-of-the-box support for wireless networking Battery life > 2.0 hrs. Not MS-Windows PREFER: 64 bit core duo 2 2-4+ Gb RAM 120+ Gb HDD writable multi-mode DVD/CD drive CentOS-5+ Your system suggestions, both for hardware and OS, are most welcome. -- *** 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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Re: [CentOS] looking for kernel-xen- 2.6.18-164.el5 [SOLVED]
by Rudi Ahlers 11 Jan '10

11 Jan '10

On Mon, Jan 11, 2010 at 5:49 PM, Karanbir Singh <mail-lists(a)karan.org> wrote: > On 01/11/2010 03:17 PM, Rudi Ahlers wrote: >> Nope, there's a newer kernel installed already. I need this particular >> older one for one of the XEN domU's on this server, and don't want to >> downgrade the running kernel and reboot the server > > man yum, > > look at the --showduplicates option. you can then use the output to have > yum with specific versions eg: > > yum install <pkg>-<version> > > -- > Karanbir Singh Thanx, this is exactly what I needed :) And now I learned something new as well -- Kind Regards Rudi Ahlers SoftDux Website: http://www.SoftDux.com Technical Blog: http://Blog.SoftDux.com Office: 087 805 9573 Cell: 082 554 7532

1 0

ntpd appears to not be able to query ntp servers automatically?
by Ryan Pugatch 11 Jan '10

11 Jan '10

Hello all, After reboot, one of my servers running CentOS5 no longer keeps its clock synced automatically. ntpd is running and I don't see anything weird being logged. If I kick off ntpd with 'ntpd -q', it will sync the clock. However, if I just rely on ntpd started with 'service ntpd start', syncing does not happen. I previously had: # Undisciplined Local Clock. This is a fake driver intended for backup # and when no outside source of synchronized time is available. server 127.127.1.0 # local clock fudge 127.127.1.0 stratum 10 and noticed that ntpd would fail down to using the undisciplined local clock if I checked with ntpstat. I commented those out, and now ntpstat simply says: unsynchronised time server re-starting polling server every 64 Any idea as to why ntpd -q will sync, but otherwise the clock will not stay in sync even when the local clock drifts by several minutes? It worked fine prior to reboot. Thanks, Ryan

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Securing http authentication from brute force attacks
by James B. Byrne 11 Jan '10

11 Jan '10

We have several web applications deployed under Apache that require a user id / password authentication. Some of these use htdigest and others use the application itself. Recently we have experienced several brute force attacks against some of these services which have been dealt with for the nonce by changes to iptables. However, I am not convinced that these changes are the answer. Therefore I have been looking at http protection and have run across a few independently provided modules for Apache http security, mod_security being one of them. I would like the opinion of other CentOS sysadmins who already have faced this same problem, with respect to the solutions available and those that they choose for themselves. Sincerely, -- *** 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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Select pam module for select users
by yanagik317 11 Jan '10

11 Jan '10

Dear CentOS people, Maybe I didn't read enough, but is there a way to use pam_ldap for some users (w/o trying pam_krb5 first, which is listed before pam_ldap) and pam_krb5 for others. Thank you, --Koji

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