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New Adobe Reader works on CentOS-4.x, speech synthesis reader & more.
by William L. Maltby 08 Feb '08

08 Feb '08

Just and FYI. In RPM form, works on 4.x and I will try on 5.x too. Speech is tacky, but if I can get something but the Gnome Festival synthesizer, maybe it will improve? http://www.adobe.com/products/acrobat/readstep2.html?promoid=BONRM -- Bill

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RE: [CentOS] Installation problems with large mirrored drives (SU CCESS!)
by Bowie Bailey 08 Feb '08

08 Feb '08

Bowie Bailey wrote: > I am trying to install CentOS 4.6 to a pair of 750GB hard drives. I > can successfully install to either of the drives as a single drive, > but when I try to use both drives and mirror the partitions, I start > having problems. Anaconda crashes as it is trying to format the > drives. > > This is what I'm trying to create: > > /dev/md0: 200MB, /boot > /dev/md1: 2GB, swap > /dev/md2: rest of the drive, LVM PV > > LogVol00: 10GB, / > LogVol01: rest of the VG, /home Thanks for all the suggestions! I tried a few of them. They didn't solve the problem, but they did help me find it. When I tried to run the install without LVM, I still got the same anaconda crash (referencing vgremove). I realized that anaconda was trying to remove the volume groups that already existed on the drives. Once I erased all of the partition information on the drives with fdisk, I was able to do a normal install with LVM. -- Bowie

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VDR on CentOS?
by Christian Volker 08 Feb '08

08 Feb '08

Yohoo! Is there a repository for CentOS5 with VDR? On http://www.cadsoft.de/vdr/ I only find the sources, but no rpms. Thanks! Christian Volker Technical Support Engineer -- Parnell House, Barrack Square, Ballincollig, Co. Cork, Ireland

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Integrate driver disk to CentOs 5.1 DVD?
by Sebastian Marten 08 Feb '08

08 Feb '08

Hi, I have a new mainboard with a Realtek RTL8111B / RTL8168B NIC. In 5.1 are no driver integrated for this nic, but there is driver disk: http://wiki.centos.org/HardwareList/RealTekRTL8111b and http://wiki.centos.org/HardwareList/RealTekRTL8111b?action=AttachFile&do=ge… Can I integrate this driver do the CentOS 5.1 ISO or can i use this driver from a USB Stick during the install? regards, Sebastian

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Security help desperately needed
by Anne Wilson 08 Feb '08

08 Feb '08

I need to have the following services from my server: imap - mostly by lan, but occasionally external file and print serve samba access - read and write to some directories The problems I'm seeing are inconsistent, making it difficult to know how to find the source. Samba access is essential to me. I use a server-based korganizer, and without samba it's inaccessible. Sometimes it is working, sometimes it isn't. Last night, in desperation, I turned off selinux and the firewall so that I could finish a job, intending to get it sorted this morning. (There is a router firewall, so while security was diminished it was not totally absent.) This morning my laptop cannot make any samba connections at all. In an attempt to find out what's happening I have searched log files, and the only relevant entries are as follow: messages #borg2=server - no other connection at this point Feb 7 10:01:07 borg2 smbd[7393]: [2008/02/07 10:01:07, 0] lib/util_sock.c:read_data(534) Feb 7 10:01:07 borg2 smbd[7393]: read_data: read failure for 4 bytes to client 192.168.0.91. Error = No route to host Feb 7 10:03:09 borg2 smbd[7394]: [2008/02/07 10:03:09, 0] lib/util_sock.c:read_data(534) Feb 7 10:03:09 borg2 smbd[7394]: read_data: read failure for 4 bytes to client 192.168.0.91. Error = No route to host # laptop started - should automount borg2 Feb 7 10:09:48 borg2 automount[2590]: create_udp_client: hostname lookup failed: No such process Feb 7 10:09:48 borg2 automount[2590]: create_tcp_client: hostname lookup failed: No such process Feb 7 10:09:48 borg2 automount[2590]: lookup_mount: exports lookup failed for .directory # last entry refers to nfs export? # hostname lookup should be by way of /etc/hosts, which holds list of all lan members secure shows nothing helpful Way back I remember that msec used to change security settings overnight. Could this be happening? I feel to be thrashing helplessly. I need help to find a sensible strategy for sorting this, then setting correct security measures. TIA Anne

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Re: discrepancy between what quota reports and what du reports
by ankush grover 08 Feb '08

08 Feb '08

On Feb 7, 2008 4:31 PM, ankush grover <ankushcentos(a)gmail.com> wrote: > Hi Friends, > > > I am running samba as domain member of AD 2k3 on Centos 4.4 . Quota of > 2GB is set for each user but for one of the user quota or edquota is > showing wrong blocks even though disk space occupied by that user is > 809M. > > > quota bhavesh.kumar > Disk quotas for user bhavesh.kumar (uid 11254): > Filesystem blocks quota limit grace files quota limit grace > /dev/cciss/c0d0p5 > 2791832* 2000000 2000000 1595 0 0 > > # du -sh bhavesh.kumar > 809M bhavesh.kumar > > > > dumpe2fs /dev/cciss/c0d0p3 |grep -i "block size" > dumpe2fs 1.35 (28-Feb-2004) > Block size: 4096 > > > I tried quotaoff and quotaon on the /home partition and also mount > -all command to remount the partitions but still the problem is > persisting. Kindly suggest me how to get rid of this problem. Please > let me know if you need any further inputs. > > > Regards > > > Ankush > Further diagnosing the problem there are double entries of the files in the directory kindly see entries 45-50 & 63-68 find . -uid 11254 -exec ls -l "{}" ";"|nl | more 45 -rwxr--r-- 1 bhavesh.kumar root 27136 Feb 7 15:44 Appraisal-ADP.xls 46 -rwxr--r-- 1 bhavesh.kumar root 24064 Feb 7 15:44 Appraisal-DAL.xls 47 -rwxr--r-- 1 bhavesh.kumar root 26112 Feb 7 15:44 Appraisal-Guidelines.xls 48 -rwxr--r-- 1 bhavesh.kumar root 55296 Feb 7 15:44 Appraisal-GUI.xls 49 -rwxr--r-- 1 bhavesh.kumar root 30208 Feb 7 15:44 AppraisalMaster.xls 50 -rwxr--r-- 1 bhavesh.kumar root 37376 Feb 7 15:44 Appraisal-QA.xls 51 drwxr-xr-x 2 bhavesh.kumar root 4096 Feb 7 15:44 Apr-Sep2006 52 drwxr-xr-x 2 bhavesh.kumar root 4096 Feb 7 15:44 Apr-sep-2007 53 -rwxr--r-- 1 bhavesh.kumar root 21504 Feb 7 15:44 Brabeion - Appraisal.xls 54 -rwxr--r-- 1 bhavesh.kumar root 19456 Feb 7 15:44 Guidelines.xls 55 drwxr-xr-x 2 bhavesh.kumar root 4096 Feb 7 15:44 Oct-Mar2007 56 -rwxr--r-- 1 bhavesh.kumar root 37376 Feb 7 15:44 ./Laptop Data/Brabeion/Appraisal/Appraisal-QA.xls 57 -rwxr--r-- 1 bhavesh.kumar root 24064 Feb 7 15:44 ./Laptop Data/Brabeion/Appraisal/Appraisal-DAL.xls 58 total 28 59 -rwxr--r-- 1 bhavesh.kumar root 26624 Feb 7 15:44 Team.xls 60 -rwxr--r-- 1 bhavesh.kumar root 26624 Feb 7 15:44 ./Laptop Data/Brabeion/Appraisal/Apr-sep-2007/Team.xls 61 -rwxr--r-- 1 bhavesh.kumar root 26112 Feb 7 15:44 ./Laptop Data/Brabeion/Appraisal/Appraisal-Guidelines.xls 62 total 256 63 -rwxr--r-- 1 bhavesh.kumar root 27136 Feb 7 15:44 Appraisal-ADP.xls 64 -rwxr--r-- 1 bhavesh.kumar root 24064 Feb 7 15:44 Appraisal-DAL.xls 65 -rwxr--r-- 1 bhavesh.kumar root 26112 Feb 7 15:44 Appraisal-Guidelines.xls 66 -rwxr--r-- 1 bhavesh.kumar root 55296 Feb 7 15:44 Appraisal-GUI.xls 67 -rwxr--r-- 1 bhavesh.kumar root 30208 Feb 7 15:44 AppraisalMaster.xls 68 -rwxr--r-- 1 bhavesh.kumar root 37376 Feb 7 15:44 Appraisal-QA.xls 69 -rwxr--r-- 1 bhavesh.kumar root 21504 Feb 7 15:44 Brabeion - Appraisal.xls 70 -rwxr--r-- 1 bhavesh.kumar root 19456 Feb 7 15:44 Guidelines.xls 71 -rwxr--r-- 1 bhavesh.kumar root 37376 Feb 7 15:44 ./Laptop Data/Brabeion/Appraisal/Apr-Sep2006/Appraisal-QA.xls 72 -rwxr--r-- 1 bhavesh.kumar root 24064 Feb 7 15:44 ./Laptop Data/Brabeion/Appraisal/Apr-Sep2006/Appraisal-DAL.xls 73 -rwxr--r-- 1 bhavesh.kumar root 26112 Feb 7 15:44 ./Laptop Data/Brabeion/Appraisal/Apr-Sep2006/Appraisal-Guidelines.xls 74 -rwxr--r-- 1 bhavesh.kumar root 30208 Feb 7 15:44 ./Laptop Data/Brabeion/Appraisal/Apr-Sep2006/AppraisalMaster.xls 75 -rwxr--r-- 1 bhavesh.kumar root 21504 Feb 7 15:44 ./Laptop Data/Brabeion/Appraisal/Apr-Sep2006/Brabeion - Appraisal.xls 76 -rwxr--r-- 1 bhavesh.kumar root 19456 Feb 7 15:44 ./Laptop Data/Brabeion/Appraisal/Apr-Sep2006/Guidelines.xls 77 -rwxr--r-- 1 bhavesh.kumar root 27136 Feb 7 15:44 ./Laptop Data/Brabeion/Appraisal/Apr-Sep2006/Appraisal-ADP.xls 78 -rwxr--r-- 1 bhavesh.kumar root 55296 Feb 7 15:44 ./Laptop Data/Brabeion/Appraisal/Apr-Sep2006/Appraisal-GUI.xls 79 total 200 I have rebooted the system but still the problem persists. There is another person who faced the same problem with redhat 4.4 but the solution is not given. http://www.opensubscriber.com/message/centos@centos.org/8548096.html Thanks & Regards Ankush

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package 'synchronization' for multiple systems
by Tim Alberts 08 Feb '08

08 Feb '08

I'm setting up multiple systems and ideally I want the same package configuration on all of them. So I'm going through yum and rpm queries manually to try and get this done. There must be a better way. Is there a way to use yum or rpm to configure multiple systems with the same packages? If yum or rpm has something native built into it to do this, that would be great. If there's some scripts to simplify some tasks that works too. I've used webmin's 'Cluster Software Package' module, and will probably fall back to it. However I don't think I get the info that yum gives regarding package grouping and what packages are part of what capabilities. Gotta query elsewhere for it. (no disrespect to webmin folks, great tool)

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Centos 5.1 ext3 filesystem limit
by Gary Molenkamp 08 Feb '08

08 Feb '08

Centos 5.1 documentation states that the supported ext3 filesystem limit is 16TB, yet I have a 9.5TB partition that is claimed to be too large: mke2fs 1.39 (29-May-2006) mke2fs: Filesystem too large. No more than 2**31-1 blocks (8TB using a blocksize of 4k) are currently supported. Am I missing something? > uname -a Linux fileserver.sharcnet.ca 2.6.18-53.1.6.el5 #1 SMP Wed Jan 23 11:28:47 EST 2008 x86_64 x86_64 x86_64 GNU/Linux -- Gary Molenkamp SHARCNET Systems Administrator University of Western Ontario gary(a)sharcnet.ca http://www.sharcnet.ca (519) 661-2111 x88429 (519) 661-4000

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Using tcpdump to sniff telnet password
by Fajar Priyanto 07 Feb '08

07 Feb '08

Hi all, As long as I can remember reading various articles/docs, they all say that telnet is not secure because all traffic is in clear text. Well, out of boredom, I try to sniff username and password from a telnet session. The command I use: tcpdump tcp port 23 -vvv -w test.txt Then I read the result: strings test.txt |`D |fD |fD 38400,38400 Red Hat Enterprise Linux ESD Ologin: D 5eE LsE _tE Password: F [aG |hG jaH Last login: Wed Feb 6 15:53:3H ]0;test4@server:~ GV{ But it succeeds with FTP. strings test.txt <.9@ 4.:@ 220 (vsFTPd 2.0.1) 4.;@ @.<@ USER test4 331 Please specify the passwor 4.=@ B.>@ PASS secret 230 Login successful. 4.?@ :.@@ SYST 215 UNIX Type: L8 4.A@ Did I miss something? How do we capture telnet password using tcpdump? Thank you. -- Fajar Priyanto | Reg'd Linux User #327841 | Linux tutorial http://linux2.arinet.org 15:51:58 up 8:16, 2.6.22-14-generic GNU/Linux Let's use OpenOffice. http://www.openoffice.org The real challenge of teaching is getting your students motivated to learn.

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POSIX semaphores in CentOS 5.1?
by MHR 07 Feb '08

07 Feb '08

According to the man pages for sem_wait, etc., POSIX semaphores are available in Linux 2.6 (with the right NTPL threading in glibc). However, I have a program that compiles just fine but won't link because it can't find the library for the semaphore operations. What am I missing? I ran a find and grep through all the libc's on the system and they turned up nothing: $ find /lib /usr/lib -name "*libc\.*" -print -exec nm {} 2>/dev/null \; | grep sem_ (no results) Time is critical (yeah, I know...). Thanks. mhr

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