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rpm scriptlet failed
by Tony Schreiner 15 Feb '07

15 Feb '07

I have a system (Centos 4.4 all packages uptodate) where almost every rpm or yum operation fails with a message like e.g.: error: %preun(a2ps-4.13b-41.i386) scriptlet failed, exit status 255 some times the error is on %post() the last few lines of output from rpm -e -vv a2ps are D: ========== --- a2ps-4.13b-41 i386-linux 0x1 D: erase: a2ps-4.13b-41 has 316 files, test = 0 D: opening db index /var/lib/rpm/Name create mode=0x42 D: read h# 1071 Header V3 DSA signature: OK, key ID 443e1821 D: opening db index /var/lib/rpm/Triggername create mode=0x42 D: erase: %preun(a2ps-4.13b-41.i386) asynchronous scriptlet start D: erase: %preun(a2ps-4.13b-41.i386) execv(/bin/sh) pid 29443 D: erase: waitpid(29443) rc 29443 status ff00 secs 0.001 error: %preun(a2ps-4.13b-41.i386) scriptlet failed, exit status 255 D: closed db index /var/lib/rpm/Triggername D: closed db index /var/lib/rpm/Basenames D: closed db index /var/lib/rpm/Name D: closed db index /var/lib/rpm/Packages D: closed db environment /var/lib/rpm/Packages I can do the install /remove/update with --noscripts, but that doesn't seem like a good idea. rpm --rebuilddb has not helped selinux is enabled but permissive. I've seen a few mentions of this on google, but found no solution. Anybody experienced this? Tony

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unable to run php application on centos4.0
by ankush grover 15 Feb '07

15 Feb '07

Hi Friends, I am trying to configure a blog on Centos4.0. The blog is written in php and I am not able to run the php applications on this system. php-pear-4.3.9-3.2 php-4.3.9-3.2 php-ldap-4.3.9-3.2 php-mysql-4.3.9-3. Php is installed on the system and in the httpd.conf file I have added index.php for Directory Index but whenever I try to access the blog i get the contents of the file and php is not executing. The permissions on the directory under /var/www/html/blog is set to 777 but still the problem is persisting. What should I do and where to check ? Thanks & Regards Ankush Grover

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RE: [CentOS] Defending againts simultanious attacks
by Plant, Dean 15 Feb '07

15 Feb '07

Mohd Syakir wrote: > Hi, > > i have one centos 4.3 box, exposed to the internet. > since several weeks ago, i found numerous attemps to connect through > SSH, but failed. > > they tried with many username, including root. > it's comes from different IP. some of them are foreign website. > > How do i make my centos become smarter in handling this kind of > attacks. > > eventhough i've disable all the user accounts, left only the admin > accounts. making the password so hard, longer and combining alphabet, > numbers and characters... yet i dont want the attackers keep on > trying. Also use rate limit in iptables Search for "iptables limit ssh" for examples. Dean

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Re: [CentOS] unable to run php application on centos4.0(solved)
by ankush grover 15 Feb '07

15 Feb '07

On 2/15/07, ankush grover <ankushcentos(a)gmail.com> wrote: > On 2/15/07, Leonel Nunez <leonel(a)enelserver.com> wrote: > > > Hi Friends, > > > > > > > > > I am trying to configure a blog on Centos4.0. The blog is written in > > > php and I am not able to run the php applications on this system. > > > > > > > > > php-pear-4.3.9-3.2 > > > php-4.3.9-3.2 > > > php-ldap-4.3.9-3.2 > > > php-mysql-4.3.9-3. > > > > > > > > > Php is installed on the system and in the httpd.conf file I have added > > > index.php for Directory Index but whenever I try to access the blog i > > > get the contents of the file and php is not executing. > > > > > > The permissions on the directory under /var/www/html/blog is set to > > > 777 but still the problem is persisting. > > > > > > > > > What should I do and where to check ? > > > > > > > > > Thanks & Regards > > > > > > > > > Ankush Grover culprit, missing line in php.conf AddType application/x-httpd-php .php Added and restarted apache. Now it is working fine. Leonel-> Thanks for your help Thanks & Regards Ankush

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yum does not update x86_64
by Manuel Pelayo 15 Feb '07

15 Feb '07

Hi, After a successful upgrade CentOS 3.8 i386 to CentOS 4.4 x86_64 and, after cleaning old 3.8 packages, yum does not update the x86_64 packages but just the i386's. The rhn-applet see the x86_64 updates but neither yum nor up2date see them. When I run: # yum -d 3 check-update Yum Version: 2.4.3 COMMAND: yum -d 3 Installroot: / Setting up repositories Baseurl(s) for repo: ['http://mirror.centos.org/centos/4/updates/i386/'] ^^^^ Baseurl(s) for repo: ['http://mirror.centos.org/centos/4/os/i386/'] ^^^^ Reading repository metadata in from local files Setting up Package Sacks Excluding Incompatible Archs Finished Reading Local RPMDB Building updates object What I do without success: # yum clean all # rm -f /var/lib/rpm/__db.00* # rpm --rebuilddb I created a python script like used by yum : # -*- python -*- # arch.py import os import re def getArch(): arch = os.uname()[4] newarch = None if re.search('86', arch): newarch = 'i386' if re.search('sparc', arch) or re.search('sun', arch): newarch = 'sparc' if re.search('alpha', arch): newarch = 'alpha' if re.search('ppc', arch): newarch = 'ppc' if re.search('x86_64', arch): newarch = 'x86_64' if not newarch: newarch = arch return newarch myarch=getArch() print myarch When I run it, it returns 'x86_64': # python arch.py x86_64 What can be wrong ? Thanks for your help. For information: =============== centos-release-4-4.2.x86_64 kernel-smp-2.6.9-42.0.8.EL.x86_64 yum-2.4.3-1.noarch python-2.3.4-14.3.x86_64 sqlite-3.3.3-1.2.x86_64 up2date-4.4.69-25.centos4.7.x86_64 rhn-applet-2.1.25-22.centos4.x86_64 glibc-2.3.4-2.25.x86_64 glibc-2.3.4-2.25.i686 rpm-4.3.3-18_nonptl.x86_64 ------------- /etc/yum.conf ------------- [main] cachedir=/var/cache/yum debuglevel=2 logfile=/var/log/yum.log pkgpolicy=newest distroverpkg=centos-release tolerant=1 exactarch=1 retries=20 obsoletes=1 gpgcheck=1 # PUT YOUR REPOS HERE OR IN separate files named file.repo # in /etc/yum.repos.d --------------------------------- /etc/yum.repos.d/CentOS-Base.repo --------------------------------- [base] name=CentOS-$releasever - Base baseurl=ftp://rodolf.cance.fr/centos/$releasever/os/$basearch/ baseurl=http://mirror.centos.org/centos/$releasever/os/$basearch/ gpgcheck=1 gpgkey=http://mirror.centos.org/centos/RPM-GPG-KEY-centos4 #released updates [update] name=CentOS-$releasever - Updates baseurl=http://mirror.centos.org/centos/$releasever/updates/$basearch/ gpgcheck=1 gpgkey=http://mirror.centos.org/centos/RPM-GPG-KEY-centos4 ------------- /proc/cpuinfo ------------- processor : 0 vendor_id : GenuineIntel cpu family : 15 model : 4 model name : Intel(R) Xeon(TM) CPU 3.00GHz stepping : 1 cpu MHz : 2992.596 cache size : 1024 KB physical id : 0 siblings : 2 core id : 0 cpu cores : 1 fpu : yes fpu_exception : yes cpuid level : 5 wp : yes flags : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm syscall nx lm pni monitor ds_cpl cid cx16 xtpr bogomips : 5989.10 clflush size : 64 cache_alignment : 128 address sizes : 36 bits physical, 48 bits virtual power management: processor : 1 vendor_id : GenuineIntel cpu family : 15 model : 4 model name : Intel(R) Xeon(TM) CPU 3.00GHz stepping : 1 cpu MHz : 2992.596 cache size : 1024 KB physical id : 0 siblings : 2 core id : 0 cpu cores : 1 fpu : yes fpu_exception : yes cpuid level : 5 wp : yes flags : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm syscall nx lm pni monitor ds_cpl cid cx16 xtpr bogomips : 5984.97 clflush size : 64 cache_alignment : 128 address sizes : 36 bits physical, 48 bits virtual power management: -- Manuel Pelayo <manuel.pelayo(a)manpci.com> GPG Key 0x9DDB129E (http://pgp.mit.edu/ http://pgp.dtype.org/)

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How to know which process is eating the cpu
by ankush grover 15 Feb '07

15 Feb '07

Hi friends, We are using centos4.0 on Dell Machines. Everytime we use top command on one of the systems, we see system usage is b/w 75.-80% and we are not able to trace who is eating this much system cpu. 02:00:06 up 13 days, 5:39, 3 users, load average: 7.12, 7.25, 7.34 76 processes: 68 sleeping, 6 running, 0 zombie, 2 stopped CPU states: cpu user nice system irq softirq iowait idle total 24.4% 0.0% 75.5% 0.0% 0.0% 0.0% 0.0% cpu00 26.4% 0.0% 73.6% 0.0% 0.0% 0.0% 0.0% cpu01 22.4% 0.0% 77.5% 0.0% 0.0% 0.0% 0.0% Mem: 6161704k av, 4758088k used, 1403616k free, 0k shrd, 103108k buff 2184012k actv, 1792248k in_d, 100068k in_c Swap: 2530196k av, 8k used, 2530188k free 3143184k cached Is there any command or utility through which we can know who is using how much cpu resources? Thanks & Regards Ankush Grover

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%include command in Kickstart
by Al Sparks 15 Feb '07

15 Feb '07

I have a kickstart file that basically runs the following: install nfs --server=nfserver.blah.local --dir=/vol/updts/staging/CentOS_4.3 #include %some_file.cfg I want to be able to access or "include" a file on the nfs share not the local CDROM I've got this on. How do I do that? === Al

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RE: [CentOS] How do I burn a CD image under CentOS?
by Mark Hull-Richter 14 Feb '07

14 Feb '07

I tried this, and it seemed to work, but I can't read the CD (in CentOS or Windows) using normal methods, and a dd extraction from the CD returns a file of a different size than the original. -----Original Message----- From: centos-bounces(a)centos.org [mailto:centos-bounces@centos.org] On Behalf Of Barry L. Kline Sent: Wednesday, February 14, 2007 12:36 PM To: CentOS mailing list Subject: Re: [CentOS] How do I burn a CD image under CentOS? cdrecord -v -eject -tao -data myimage.iso Everything else should default properly. Barry

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reboot long uptimes?
by D Ivago 14 Feb '07

14 Feb '07

Hi, I was just wondering if I should reboot some servers that are running over 180 days? They are still stable and have no problems, also top shows no zombie processes or such, but maybe it's better for the hardware (like ext3 disk checks f.e.) to reboot every six months... btw this uptime really confirms me how stable Centos 4.x really is and so I wonder how long some people's uptimes on the list are ;) rmc

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Manage of firewall.
by devel 14 Feb '07

14 Feb '07

Hello, I see manage of firewall in CentOS (called security), and seems difficult to manage, not enough powerful. I am searching a middle term between scripts of iptables to manage and Security manager of CentOS. I know FireStarter, another similar? -- Devel in Precio http://www.pas-world.com

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