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34758 discussions

custom cd's
by Michel 09 Jun '06

09 Jun '06

I'm looking for a script or some tool that enables me to create custom iso's for centos 4.3 I'l also need tools to build some custom rpm's. What i want to do is create a cd that will install centos 4.3 fully updated (at the time of cd creation) together with self created rpm's of ispconfig.

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shadow file question
by Feizhou 09 Jun '06

09 Jun '06

There is this * in the password field of the shadow file for certain accounts. I know that the ! is to indicate a locked account but what does a * mean? man 5 shadow does not reveal anything.

4 9

SuperOdoctor for super-micro
by Sam Drinkard 09 Jun '06

09 Jun '06

Rats... found some hardware monitoring from the vendor and it's broken, or I'm missing some pieces. No mention of CentOS specifically, but RH is supported, so figured it *ought* to work. I'm apparently missing a library -- liblinc.so.1, and a net search reveals several sources, both for x86 and 64-bit. Tried them both, after the x86 did not work, and the 64-bit I thought was going to work, but it crashes the application under gnome, and under text. Yes, I did the bad thing (tm) and installed an rpm not from yum, and now, I can't seem to make rpm remove it. Says it's not installed, but it is. Rebuilt the database and still says it's already installed when I tried to reinstall it, but says it's NOT installed when I try to remove it ...hmmmph. I know where the rm -f keys are :-) Question to the gang. Anybody have this software working on a supermicro board, and if so, what did you do to get it going? Thanks... -- Sam W.Drinkard -- sam(a)wa4phy.net http://wa4phy.net Augusta Area Mesonet cell 706.825.8513 Home 706.868.7253 MAIL 4428 Branchwood Drive, Martinez Georgia, 30907-1304

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yum list updates error
by Melinda Odom 09 Jun '06

09 Jun '06

Hi, I get this error when running yum list updates [root@godslove etc]# yum list updates Gathering header information file(s) from server(s) Server: CentOS-3 - Base retrygrab() failed for: http://mirror.centos.org/centos/3/os/i386/headers/header.info Executing failover method failover: out of servers to try Error getting file http://mirror.centos.org/centos/3/os/i386/headers/header.info [Errno 4] IOError: <urlopen error > Sincerely, Melinda Odom www.designhosting.biz 479-471-0891 -- No virus found in this outgoing message. Checked by AVG Free Edition. Version: 7.1.394 / Virus Database: 268.8.3/359 - Release Date: 6/8/2006

3 2

mdadm raid 1 question
by William Warren 09 Jun '06

09 Jun '06

Does Centos 4.2 have the grub issue where the boot loader does not get installed onto both hard disks in a software Raid 1 environment? if so does 4.3 solve that issue? -- My "Foundation" verse: Isa 54:17 No weapon that is formed against thee shall prosper; and every tongue that shall rise against thee in judgment thou shalt condemn. This is the heritage of the servants of the LORD, and their righteousness is of me, saith the LORD. -- carpe ductum -- "Grab the tape" CDTT (Certified Duct Tape Technician) Linux user #322099 Machines: 206822 256638 276825 http://counter.li.org/

3 2

Intel Xeon and hyperthreading
by Sam Drinkard 08 Jun '06

08 Jun '06

Another question some of you may help me make decisions on. I've been doing some reading that indicates that having HT turned on in this dual xeon machine might actually slow down the computing process rather than speeding it up. I rebooted this a.m., and turned HT off, just prior to my main application run. One thing that might be of note, this application is using OMP for utilizing both cpu's, and prior to turning off HT, I had been running the software using 2 cpu's of the 4 that the OS sees. I'm waiting on a model run to finish to see if there is any appreciable difference, but the one thing I do notice right off is cpu utilization is running close to 100% on both, where before, it averaged maybe 50% or thereabouts. Again, sar is showing at last count, 83.56% utilization for user, 10.27% system and only 0.02% nice. Idle was 5.74%. I'm attempting to squeeze every last bit of processing power out of this machine, and would entertain suggestions on tuning if there happen to be any types of tuning that would help. Sam -- Sam W.Drinkard -- sam(a)wa4phy.net http://wa4phy.net Augusta Area Mesonet cell 706.825.8513 Home 706.868.7253 MAIL 4428 Branchwood Drive, Martinez Georgia, 30907-1304

4 11

CentOSPlus Kernel for 586?
by William L. Maltby 08 Jun '06

08 Jun '06

I have the problem that I almost never throw anything away that can still be useful. In itself, not bad. Combined with the "World We Live In" (TM), a "Less Than Optimal Behavior" (SM). I need some of the features in CentOSPlus kernels for my 586 (K6-III). 1) I don't mind doing it myself and contributing results, if that's what it takes. Only having LFS experience (rpm nu2me), I anticipate a "learning curve" and a minimal amount of hand holding. Since I keep abreast of the lists, know how to Google the list, have heavy development background and *light* and *ancient* admin (but for my little nook here), ... (you get it) hand-holding should be very little. 2) My target machine has a minimal (mostly) CentOS 4.3 kept up-to-date and plenty of HD. Also have a 2.2PR Athlon w/768M DR ram, plenty of hd, so cross-compile (I don't remember details from my LFS days) is reasonable. 3) I am already subscribed to the developer's list if that is needed (I think, don't recall if I saw anything from there). 4) DOWNSIDE (maybe more?) Karnbir might have to tolerate my occasional short outbursts of humor as they help extend the lifespan of various pieces of equipment in my little nook. I'll let that go someday when I have milked it for all I think it's worth. ;-) 5) Additional delay because I'm reading studiously trying to learn new/updated admin related stuff. It seems that since security became a concern, the *necessary* bloat to functions is unbelievable (I'd be afraid to read the estimates of % of budget devoted to security nation- wide). 6) OTOH (there's always one, eh?) if the walkers-on-water denizens of the list/project want to make one available, I can keep learning/configuring my nook and contribute somehow later on. TIA -- Bill

2 6

PHP Extensions
by Claudio Castro 08 Jun '06

08 Jun '06

Hi all, I have a problem, I'm running CentOS 4.3 and I just installed php with yum, later I realize that I nedd LDAP support so I download the php-ldap rpm with yum, everything was OK...but now..the problem is that I need Informix support, so I search for a php-ifx module to see if it exist...but no. So, what are my options? recompile a fresh new php with informix support...loosing the automatic updates with yum... or compile php with informix support in another machine and then copy the "informix.so" to "/usr/lib/php4/"? will that work? Claudio

4 7

Apache php and exim
by Lazy 08 Jun '06

08 Jun '06

Hello, I'm using the targeted policy. PHP's mail() function fails because of selinux. audit(1149662369.454:2): avc: denied { setgid } for pid=18085 comm="sendmail" capability=6 scontext=root:system_r:httpd_sys_script_t tcontext=root:system_r:httpd_sys_script_t tclass=capability When i turn to permisive mode: audit(1149668677.105:12): avc: denied { setuid } for pid=29159 comm="sendmail" capability=7 scontext=root:system_r:ht tpd_sys_script_t tcontext=root:system_r:httpd_sys_script_t tclass=capability audit(1149668677.157:13): avc: denied { dac_override } for pid=29159 comm="sendmail" capability=1 scontext=root:syste m_r:httpd_sys_script_t tcontext=root:system_r:httpd_sys_script_t tclass=capability audit(1149668677.209:14): avc: denied { write } for pid=29159 comm="sendmail" name="input" dev=dm-3 ino=1335707 scont ext=root:system_r:httpd_sys_script_t tcontext=system_u:object_r:var_spool_t tclass=dir audit(1149668677.209:15): avc: denied { add_name } for pid=29159 comm="sendmail" name="1FntLB-0007aJ-6i-D" scontext=r oot:system_r:httpd_sys_script_t tcontext=system_u:object_r:var_spool_t tclass=dir Maybe there should be a context change to some mta specific context diuring the execution of /usr/sbin/sendmail. ls -Z /usr/zbin -rwsr-xr-x root root system_u:object_r:sbin_t /usr/sbin/exim lrwxrwxrwx root root root:object_r:sbin_t /usr/sbin/sendmail -> /etc/alternatives/mta lrwxrwxrwx root root system_u:object_r:sbin_t /usr/sbin/sendmail.exim -> exim Maybe exim shuld be sendmail_exec_t ? I can't experiment now. Will try setting it later. Can anyone give me some guaidance ?

3 3

(?) Loss of fullscreen mode with freenx-0.5.0-8.c4
by Jay Leafey 08 Jun '06

08 Jun '06

I've currently got the nx-1.5.0-1.centos4.i386, freenx-0.5.0-8.c4.noarch, and nxclient-1.5.0-141.i386 packages installed on a couple of CentOS 4 update 3 systems and I'm getting the same results on all of them. I got the new version of freenx via "yum update" and it appears to have "broken" fullscreen mode. The connection config file I have been using does have the "fullscreen" option set (<option key="Resolution" value="fullscreen" />) but wheras it used to really go into fullscreen mode it does not since the update. I now see the top and bottom panels from the "parent" display and a window title on the NX client window, which is not what I was getting in "fullscreen" mode with 0.4.4. I reran the connection wizard and created a new connection, insuring that the options were what I wanted, but it still has the same behaviour. I downgraded freenx to the 0.4.4-1.centos4 package and the expected behaviour returned. Am I screwing up somewhere, or did I miss something in the documentation? Any thoughts? Thanks! -- Jay Leafey - Memphis, TN jay.leafey(a)mindless.com

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