Discuss January 2007

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245 participants
264 discussions

Desktop link for NTFS .htm file type asks for run or display in CentOS 4.4
by Edward Diener 06 Jan '07

06 Jan '07

I created a desktop launcher whose type was a link and pointed to an NTFS file on a read-only ( ro ) partition. When I open the launcher it always asks me whether I want to display or run the file. Of course I want display it and when I click on that button it displays it in my browser, Firefox, correctly. It is neverthless onerous to constantly be asked and have to then click the correct display button rather than Gnome knowing to display it automatically. This appears to be happening because the file on the NTFS has an executable permission set to it because the umask I used in /etc/fstab for the partition was 0222. However when I tried changing the umask to 0333, in order to only have the read bit turned on, after rebooting an attempt to open the file from the launcher fails completely since nothing happens. Is there a solution to this problem, or is this just the way Gnome works in regard to its launchers ?

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UPS support on CentOS 4.4
by Edward Diener 06 Jan '07

06 Jan '07

I have an APC Back-UPS XS1500 powering my computer. It may be overkill for a single computer but it makes me feel secure. Gnome power management will not install on CentOS 4.4 because of dependency problems. I have installed the acpupsd daemon and this will protect me against power failure but the GUI interface to it, gapcmon, will not install due to dependency problems. I know that some will not consider a GUI interface important but I like to see what is happening if and when my A/C power gets disconnected and my computer is running on UPS battery power, and I like to be informed of this when I am online. Without gapcmon, or trying to hack my own program, this is not possible with CentOS 4.4, although as I said the apcupsd daemon will automatically and gracefully shut me down if my A/C power goes off and my UPS gets close to running out of backup battery power.. I realize that CentOS 4.4 is based on reliability, and not the latest and greatest software out there, but I am wondering what total UPS solution actually exists for it, or for RHEL4 which customers of the latter have used. I can live with apcupsd, and I realize that with an upcoming CentOS 5 there will probably be better compatibility, but I was wondering if there is any other total solution for the time being which anyone else has used. Thanks !

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minicom
by Robert Fitzpatrick 06 Jan '07

06 Jan '07

I need a terminal program, such as minicom, which I see is not part of my Strongbolt install of CentOS+BQ loaded on a RaQ 4 system. Does anyone know if a standard rpm for minicom should work or where to get a package that will provide minicom or other terminal program? Or, perhaps there is another terminal program installed in my system that I can look for? -- Robert

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Help needed to pinpoint problem uebimiau+apache+centos 4.4
by Erick Perez 06 Jan '07

06 Jan '07

Hi, I need some guidance to pinpoint a potential problem and I'm not sure where is the problem. I have a setup with: centos 4.4 dvd on i386 mailscanner uebimiau (webmail) 2.7.10 httpd-2.0.52-22.ent.centos4 httpd-suexec-2.0.52-22.ent.centos4 dovecot-0.99.11-2.EL4.1 The thing is that 3 of my 45 users complained that from the webmail the address book and the sent items are missing. Cheking those accounts in the webmail, I see that the address book and the sent mails dissapeared. this installation is 6 months old and we never had a glitch and I haven't upgraded anything. Im looking for hints to: --find a uebimiau support group --where to check in /var/spool/mail or /home/username the sent mails, maybe they are there but are not shown in the web interface. --some hints as to why this happened. thanks in advance, ------------------------------------------------------------ Erick Perez Panama, Republica de Panama Cel Panama. +(507) 6694-4780 ------------------------------------------------------------

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Build RPM packages with SELinux policy
by Felix Schwarz 05 Jan '07

05 Jan '07

Hi, I want to build an RPM package which contains an custom SELinux policy for the daemon. I know that there is a new, more modularized SELinux architecture in FC5 and later (which makes this probably much easier) but I need to support RHEL 4/CentOS, too. I know how to use audit2allow to do some minor modifications but I don't know currently how to build RPM packages which ship a new SELinux policy without requiring the SELinux source modules (e.g. selinux-policy-targeted-sources) on RHEL 4 at install time. Any pointers? Ideas welcome. fs

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php rpm centos4.4
by Matthias Nilsson 05 Jan '07

05 Jan '07

Hi i need to install php when i download and install the cacti it say that and i can not find any pure php rpm but it is an php-excel and so on, what php should i use ? the yum command do noit find any php to update since i have php installed than it complains that it needs php-pear and i am in the same situation and i have several to choose among ..., php-ldap is missing ... Matthias Nilsson U.D.COMM.

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RE: [CentOS] php rpm centos4.4
by Justin Randall 05 Jan '07

05 Jan '07

Usually google'ing things will help. Anyways, maybe this is what you're looking for: http://wiki.centos.org/Cacti_on_CentOS_4.x Justin. -----Original Message----- From: Matthias Nilsson [mailto:mnilsson@udcom.net] Sent: Friday, January 05, 2007 1:14 PM To: CentOS mailing list Subject: Re: [CentOS] php rpm centos4.4 Hi is there an manual on how to start using cacti on centos or follow the cacti manual about installing, the yum command for installing worked fin but where is cacti, need an manual telling "getting started with cacti" on CentOs4.4 ... Matthias Nilsson U.D.COMM. Mensaje citado por Matthias Nilsson <mnilsson(a)udcom.net>: > Hi > > i am sorry to bother but you are right i have php-ldap but once i choose the > cacto rpm from that page i use to obtain cacti it complains when testing for > dependencies ... > > i run rpm -q php-ldap and rpm -q php-pear and it do exist ... but still in > the > up2date program it does not see it ... since i choose after click on the > cacti > link on that page i refer to i choose "open with default application > system-install-package" > > am i wrong here or something wroing in CentOs4.4 > > thank you in advance > > Matthias Nilsson > U.D.COMM. > > > Mensaje citado por Aleksandar Milivojevic <alex(a)8-P.ca>: > > > Matthias Nilsson wrote: > > > Hi > > > > > > i need to install php when i download and install the cacti it say that > and > > i > > > can not find any pure php rpm but it is an php-excel and so on, what php > > should > > > i use ? > > > > > > the yum command do noit find any php to update since i have php > installed > > than > > > it complains that it needs php-pear and i am in the same situation and i > > have > > > several to choose among ..., php-ldap is missing ... > > > > php package is the base PHP RPM. Others (php-something) are additional > > modules. If Cacti is not working, you are probably missing some > > modules. php-ldap is PHP LDAP module, and it is part of CentOS 4.4. > > > > Check Cacti documentation on which modules are required, than do yum > > list 'php*' to see what modules you have installed, and which are > > available on the installation server. > > > > > > _______________________________________________ > CentOS mailing list > CentOS(a)centos.org > http://lists.centos.org/mailman/listinfo/centos > _______________________________________________ CentOS mailing list CentOS(a)centos.org http://lists.centos.org/mailman/listinfo/centos

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Freeing pv space for snapshots
by Paul 05 Jan '07

05 Jan '07

After upgrading my HD, I am now wishing I left some space for doing snapshots. Is there a way to free up some space so I can get some free PE? Right now I have this: # vgdisplay --- Volume group --- VG Name VolGroup00 System ID Format lvm2 Metadata Areas 1 Metadata Sequence No 7 VG Access read/write VG Status resizable MAX LV 0 Cur LV 2 Open LV 2 Max PV 0 Cur PV 1 Act PV 1 VG Size 38.22 GB PE Size 32.00 MB Total PE 1223 Alloc PE / Size 1223 / 38.22 GB Free PE / Size 0 / 0 VG UUID 0mB18U-4VRo-1GMC-oKdf-ZndA-slFy-eOQtYD So, it won't let me do this: # lvcreate -L1G -s -n fullbakup /dev/VolGroup00/LogVol00 Insufficient free extents (0) in volume group VolGroup00: 32 required Ext2online will not reduce size, so the man page says and I also tried it for the fun of it. lvresize won't work either.

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GRUB CD errors on CentOS 4
by Philip R. Schaffner 04 Jan '07

04 Jan '07

Background: I am in the habit of making bootable GRUB CDs with menus and copies of working kernels and initrds, particularly for multiple-boot testing machines with multiple distros and/or the Redmond OS. This has helped pull my fat out of the fire more than once when a system was rendered unbootable by hardware changes, or when Bill Gates decided the MBR should be taken over. This generally works well, and I find it easier than using rescue CDs or live distros to recover. If the system does not boot immediately from the CD, the GRUB shell usually provides enough capability to debug the boot problems and get the system back up. Recently I have encountered problems on a couple of CentOS machines that seems to be related to GRUB bug #14758: http://savannah.gnu.org/bugs/?func=detailitem&item_id=14758 The symptom is that after booting from the CD and selecting a menu entry, GRUB throws "Error 25: Disk read error" on attempts to boot. Booting can be done manually from the GRUB shell command prompt, or by interactively editing the GRUB menu entries and explicitly specifying the GRUB device in the path on the kernel and initrd lines. For example, the following GRUB stanza in (cd)/boot/grub/grub.conf title CentOS CD sdc (2.6.9-42.0.3.ELsmp) root (cd) kernel /boot/vmlinuz-2.6.9-42.0.3.ELsmp ro root=LABEL=/1 rhgb quiet initrd /boot/initrd-2.6.9-42.0.3.ELsmp.img produces the error 25 with CentOS grub-0.95-3.5, but using the interactive GRUB "e" command to make it look like kernel (cd)/boot/vmlinuz-2.6.9-42.0.3.ELsmp ro root=LABEL=/1 rhgb quiet initrd (cd)/boot/initrd-2.6.9-42.0.3.ELsmp.img works. Similar results occur using [for example] (hd2,0) in place of (cd) from the same GRUB CD. Using /usr/share/grub/i386-redhat/stage2_eltorito from an FC6 machine as the boot record for the CD fixes the problem. [See below. I also copied FC6 /boot/grub/*stage* to iso/boot/grub for good measure.] The FC6 grub-0.97-13.src.rpm builds on CentOS 4 and provides a work-around for this problem. Might be a candidate for the centosplus repo. Can't find anything on this in EL4 bugzilla or the CentOS site/lists. I have not filed a RH BZ entry as I don't have an Enterprise Linux system on which to verify the bug. It seems to be only intermittently reproducible on CentOS and appears to be specific to the hardware and/or the details of grub.conf. The conditions under which I have seen it involved machines that had both CD/DVD and CD-RW/DVD-RW drives as well as using a splashimage from the hard disk [i.e. splashimage=(hd2,0)/grub/splash.xpm.gz as opposed to splashimage=(cd)/boot/grub/splash.xpm.gz]. Would be interested to hear if anyone else has seen this problem and can document the conditions to reproduce it. Phil ********************************************************************** For reference by those who may want to create a GRUB CD, I use a one-line script called mkgrubiso (below) that expects to find an iso directory in the current directory containing a modified copy of the /boot directory tree plus the file /usr/share/grub/i386-redhat/stage2_eltorito. The docs found by "info grub" may be a bit misleading/incorrect/incomplete. The procedure goes like this: Save mkgrubiso to root's ~/bin directory and make it executable. # chmod +x ~/bin/mkgrubiso In a directory of your choice: # mkdir iso # cp -a /boot iso # cp /usr/share/grub/i386-redhat/stage2_eltorito iso/boot/grub Edit iso/boot/grub/grub.conf using the grub.conf below as a model. Can have stanzas that use vmlinuz/initrd images on the hard disk directly, as well as loading the kernel from the CD. In the directory containing iso/ do: # mkgrubiso Burn the resulting grub.iso image to a CD-R/CD-RW. Reboot to test. -------------------------------------------- /root/bin/mkgrubiso -------------------------------------------- #!/bin/bash # mkgrubiso mkisofs -R -b boot/grub/stage2_eltorito -no-emul-boot -boot-load-size \ 4 -boot-info-table -o grub.iso iso -------------------------------------------- /root/bin/mkgrubiso -------------------------------------------- ------------------------------------------ iso/boot/grub/grub.conf ------------------------------------------ # Note that you do not have to rerun grub after making changes to this file # NOTICE: You do not have a (cd)/boot partition. This means that # all kernel and initrd paths are relative to /, eg. # root (cd) # kernel /boot/vmlinuz-version ro root=LABEL=/ # initrd /boot/initrd-version.img #boot=/dev/hdc default=0 timeout=15 splashimage=(cd)/boot/grub/splash.xpm.gz #hiddenmenu title CentOS CD sdc (2.6.9-42.0.3.ELsmp) root (cd) kernel /boot/vmlinuz-2.6.9-42.0.3.ELsmp ro root=LABEL=/1 rhgb quiet initrd /boot/initrd-2.6.9-42.0.3.ELsmp.img # boot from hard disk title CentOS sdc (2.6.9-42.0.3.ELsmp) root (hd2,0) kernel /vmlinuz-2.6.9-42.0.3.ELsmp ro root=LABEL=/1 rhgb quiet initrd /initrd-2.6.9-42.0.3.ELsmp.img ------------------------------------------ iso/boot/grub/grub.conf ------------------------------------------

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tail -f /var/log/maillog error
by Indunil Jayasooriya 04 Jan '07

04 Jan '07

Hi, I am ruunig a Mailserver (Sendmail) on RedhHat 9, When I type the below command, it shows the logs for mail. tail -f /var/log/maillog But , Since this morning, It shows nothing. why, help needed. -- Thank you Indunil Jayasooriya

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Discuss January 2007