Discuss May 2007

discuss@lists.centos.org

345 participants
442 discussions

centos 5 - where are genkey and crypto-utils?
by Florin Andrei 04 May '07

04 May '07

The RHEL 5 documentation talks about a utility called genkey, apparently part of a package called crypto-utils: https://www.redhat.com/docs/manuals/enterprise/RHEL-5-manual/Deployment_Gui… However, I can't find that package or that utility on CentOS 5 - did a few digging with yum but nothing showed up. Anybody knows: 1. What happened to those things on CentOS 5? 2. What is the "official" CentOS 5 replacement for genkey, in case it's missing from the distribution? -- Florin Andrei http://florin.myip.org/

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security report from RHEL's Mark Cox
by Paul Norton 04 May '07

04 May '07

Risk report: Two years of Red Hat Enterprise Linux 4 by Mark Cox http://www.redhatmagazine.com/2007/04/18/risk-report-two-years-of-red-hat-e… -- Paul Norton System Administrator Neoverve

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Apache User Isolation/Perchild, or PHP "chroot"?
by Dan Mensom 04 May '07

04 May '07

Has anyone set up any form of apache user isolation on CentOS? I have multiple virtual hosts on my machine, run by users who do not trust eachother. The problem is that any php script run by apache is able to do things like raw file io on other users' .htpasswds, php scripts, hidden directory listings, and so on. Database passwords can even be divulged in this way, since they are often stored in .php scripts, which can be read "in the raw" as files by other php scripts. What is the easiest method for dealing with this? I found http://webauth.stanford.edu/manual/mod/perchild.html but it does not seem to be compiled with the CentOS 5 apache, and I've read elsewhere that php has issues with mutlithreaded apache. Is there any easy way to isolate individual users, by either having apache setuid, or chrooting php scripts, or (ugh) a clean way to run a new apache copy for each vhost? __________________________________________________ Do You Yahoo!? Tired of spam? Yahoo! Mail has the best spam protection around http://mail.yahoo.com

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centos 5 smp kerne vrs centos 4 smp kernel ???l
by Abba Communications 04 May '07

04 May '07

On a Compaq DL360 G1 w/ dual PIII 1.27's I installed Centos 5 minimal and then a yum update When I do a "uname -a" I get this Linux tstsrvr.abbacomm.net 2.6.18-8.1.3.el5 #1 SMP Mon Apr 30 19:55:44 EDT 2007 i686 i686 i386 GNU/Linux When I do a rpm -qa | grep kern* I get this kernel-devel-2.6.18-8.1.3.el5 kernel-2.6.18-8.1.3.el5 kernel-headers-2.6.18-8.1.3.el5 It is interesting that I did have this issue with my first Compaq DL380 load with slightly faster dual PIII's Centos 4 always found both processors automatically... hmmmmm, now... what part of my brains have done fell out my ears that I am not seeing the obvious solution on this one??? After searching for quite some time, I concluded that the info on this returned way too much noise... Thanks in advance... - rh -- Abba Communications Spokane, WA www.abbacomm.net

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software raid during centos5 install
by Dave 04 May '07

04 May '07

Hello, I've got the first disk of centos5. I plan to do a minimal install, correct me but that's where you uncheck everything, what about base do you uncheck that as well? I am curious as to the 5.0 server CD? Anyway i want to implement software raid during the install. I've got two identical drives hda and hdb when i get to the disk partition screen, this is in text mode, do i select raid, then what? I'd also like to give my volume groups more memorable names than volgroup00 and the like. Thanks. Dave.

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'exclude' option failed for yum on centos 5
by Robinson Tiemuqinke 04 May '07

04 May '07

Hi, 'exclude' option fails for yum on centos 5. I tried to yum install a group on a x86_64 machine, but it installs both ix86 version and x86_64 version. So I added the following line to /etc/yum.conf, clears /var/cache/yum/, then run 'yum groupinstall Ruby', but it reports that ix86 version packages will be installed still. Any one know what's the correct syntax to exclude one or more 'arch' from group installation on centos 5? Please help. The following are from my /etc/yum.conf: ... exclude='*.i386 *.i486 *.i586 *.i686 *.athelon' ... The following are from the output: ... Dependencies Resolved ============================================================================= Package Arch Version Repository Size ============================================================================= Installing: ruby x86_64 1.8.5-5.el5 base 278 k ruby-devel x86_64 1.8.5-5.el5 base 562 k ruby-devel i386 1.8.5-5.el5 base 554 k ruby-mode x86_64 1.8.5-5.el5 base 52 k Installing for dependencies: device-mapper i386 1.02.13-1.el5 base 582 k e2fsprogs-libs i386 1.39-8.el5 base 112 k ... __________________________________________________ Do You Yahoo!? Tired of spam? Yahoo! Mail has the best spam protection around http://mail.yahoo.com

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domU kernel supporting XFS
by Fong Vang 04 May '07

04 May '07

Has anyone gotten XFS support for a CentOS 4.x or 5.0 domU?

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Re: [CentOS] Digest size
by Andy 03 May '07

03 May '07

On Thursday 03 May 2007 22:00, centos-request(a)centos.org wrote: > --- Ioannis Vranos <ivranos(a)freemail.gr> wrote: > > > Ralph Angenendt wrote: > > > > > > That number is only for splitting off digests if that number is reached > > > before the *daily* archive gets out. As I already said: This number can > > > be changed as it really seems to be set too high. > > > > > > But I want to hear from people if they would rather get *one* digest per > > > day or up to three or four digests per day. > > > > > > I think the digest as it is, it can not be used at all in the convenient > > MIME digest setting, that allows to reply easily to individual messages > > inside the digest. > > > > So my vote is towards decreasing the size of the digest, as much as it > > is needed to use MIME digests easily. > > > > > My vote is for 1 per day. > Me too, one per day. If I want to reply to one item, in Kmail, I just select it before hitting the "reply to list" button.

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Re: [CentOS] Blocking radio streaming
by Les Bell 03 May '07

03 May '07

Ioannis Vranos <ivranos(a)freemail.gr> wrote: >> I think it is a mgmt thing and not a technical thing. << That's the accepted view amongst security professionals, too: use of internet radio, some use of chat/instant messaging, and endless reading of web sites is a time management and supervision problem, not a technical one. It might be a technical issue in places where bandwidth is expensive, or limited (e.g. entire business on an ADSL connection), however. And ultimately, if senior management decides to make a policy banning access via technical means, then junior network and firewall admins don't get to argue the point. ;) Best, --- Les Bell, RHCE, CISSP [http://www.lesbell.com.au] Tel: +61 2 9451 1144 FreeWorldDialup: 800909

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Re: [CentOS] CentOS 5 dual head doesn't work
by Mark Hull-Richter 03 May '07

03 May '07

On 5/3/07, Jeff Stacey <Jeff.Stacey(a)jri.ca> wrote to me: > > Grab the ATI Driver Installer it supports Xorg 7.1 > Okay, I did that. I have now been fighting with xorg.conf and system-config-display for about an hour and I still have mirror screens and do not know what to do. Here is my xorg.conf (which isn't even changed as I write this, it just doesn't work) and excerpts from the Xorg.0.log where there were errors (EE) or warnings (WW) and I don't understand some of these. Hopefully someone out there will? xorg.conf: # Xorg configuration created by system-config-display Section "ServerLayout" Identifier "Multihead layout" Screen 0 "aticonfig-Screen[0]" LeftOf "aticonfig-Screen[1]" Screen 1 "aticonfig-Screen[1]" InputDevice "Keyboard0" "CoreKeyboard" Option "Xinerama" "on" Option "Clone" "off" EndSection Section "Files" EndSection Section "InputDevice" Identifier "Keyboard0" Driver "kbd" Option "XkbModel" "pc105" Option "XkbLayout" "us" EndSection Section "Monitor" Identifier "aticonfig-Monitor[0]" VendorName "ATI Proprietary Driver" ModelName "Generic Autodetecting Monitor" Option "DPMS" "true" EndSection Section "Monitor" Identifier "aticonfig-Monitor[1]" VendorName "ATI Proprietary Driver" ModelName "Generic Autodetecting Monitor" Option "DPMS" "true" EndSection Section "Device" Identifier "aticonfig-Device[0]" Driver "fglrx" BusID "PCI:1:0:0" EndSection Section "Device" Identifier "aticonfig-Device[1]" Driver "fglrx" BusID "PCI:1:0:1" EndSection Section "Screen" Identifier "aticonfig-Screen[0]" Device "aticonfig-Device[0]" Monitor "aticonfig-Monitor[0]" DefaultDepth 24 SubSection "Display" Viewport 0 0 Depth 24 Modes "1280x1024" "1280x960" "1280x800" "1152x864" "1024x768" "800x600" "640x480" EndSubSection EndSection Section "Screen" Identifier "aticonfig-Screen[1]" Device "aticonfig-Device[1]" Monitor "aticonfig-Monitor[1]" DefaultDepth 24 SubSection "Display" Viewport 0 0 Depth 24 Modes "1280x1024" "1280x960" "1280x800" "1152x864" "1024x768" "800x600" "640x480" EndSubSection EndSection Don't I need something that has a Screen section with two Display subsections? I can't remember what that was.... Anyway, here are the errors and warnings from my Xorg.0.log (there were no notices or unknowns): (==) |-->Input Device "<default pointer>" (WW) The core pointer device wasn't specified explicitly in the layout. Using the default mouse configuration. : (WW) fglrx(0): *********************************** (WW) fglrx(0): * DRI initialization disabled! * (WW) fglrx(0): * 2D acceleraton available (MMIO) * (WW) fglrx(0): * no 3D acceleration available * (WW) fglrx(0): *********************************** : (WW) fglrx(0): Failed to set up write-combining range (0xd7fc0000,0x20000) (WW) fglrx(0): Failed to set up write-combining range (0xd7f80000,0x60000) (WW) fglrx(0): Failed to set up write-combining range (0xd7f00000,0xe0000) (WW) fglrx(0): Failed to set up write-combining range (0xd7e00000,0x1e0000) (WW) fglrx(0): Failed to set up write-combining range (0xd7c00000,0x3e0000) (WW) fglrx(0): Failed to set up write-combining range (0xd7800000,0x7e0000) (WW) fglrx(0): Failed to set up write-combining range (0xd7000000,0xfe0000) (WW) fglrx(0): Failed to set up write-combining range (0xd6000000,0x1fe0000) (WW) fglrx(0): Failed to set up write-combining range (0xd4000000,0x3fe0000) (WW) fglrx(0): Failed to set up write-combining range (0xd0000000,0x7fe0000) : (WW) fglrx(0): Textured Video not supported without DRI enabled. (==) RandR enabled (WW) Not including screen "aticonfig-Screen[0]" in origins calculation. : (EE) AIGLX: Screen 0 is not DRI capable [882] : (WW) Disabling Composite since Xinerama is enabled : (WW) <default pointer>: No Device specified, looking for one... None of these look to me like they are related to the problem - no dual head. What's worse is that s-c-d doesn't seem to understand this either. It shows: Settings: 800x600, Millions of colors (with only 640x480 as the other res option) Hardware: Generic Autodetecting Monitor (should be Dell 1707FP) and Unkown Video Card (which is actually correct - this is the fglrx driver). Dual Head: Use Dual Head, Generic Autodetecting Monitor (see above), Second video card is "ATI Technologies Inc Unknown device 71d2" (which is technically correct but useless), 800x600 (no options), Millions of colors and "Spanning Desktops" which do not appear. Anyone know what this is/might be and, hopefully, how to fix it? Thanks. -- Mark Hull-Richter DATAllegro (www.datallegro.com) 85 Enterprise, Second Floor, Aliso Viejo, CA 92656 949-680-3082 - Office 949-330-7691 - fax

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Discuss May 2007