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trouble installing Math::BigInt module
by Bennett Haselton 02 Apr '14

02 Apr '14

I had to move a perl script from an old server to a new one. Both the old and new servers are running "CentOS release 5.10 (Final)" and perl v5.8.8. (But the problem I'm running into appears to be a package management problem and not a Perl problem which is why I'm posting it to a CentOS list.) The line of code in the script that attempts to open a Net::SFTP connection, which was working fine on the old machine, no longer works on the new machine. I've tracked it down to the module Net::SSH::Perl::Key::DSA not loading correctly on the new machine. On the old one, the line: perl -e "use Net::SSH::Perl::Key::DSA;" gives no error and no output (as expected), but on the new machine, the same line gives: www:/var/www/html/circumventor# perl -e "use Net::SSH::Perl::Key::DSA;" Math::BigInt version 1.78 required--this is only version 1.77 at /usr/lib/perl5/vendor_perl/5.8.8/Crypt/DSA/KeyChain.pm line 4. BEGIN failed--compilation aborted at /usr/lib/perl5/vendor_perl/5.8.8/Crypt/DSA/KeyChain.pm line 4. Compilation failed in require at /usr/lib/perl5/vendor_perl/5.8.8/Crypt/DSA.pm line 7. BEGIN failed--compilation aborted at /usr/lib/perl5/vendor_perl/5.8.8/Crypt/DSA.pm line 7. Compilation failed in require at /usr/lib/perl5/vendor_perl/5.8.8/Net/SSH/Perl/Key/DSA.pm line 14. BEGIN failed--compilation aborted at /usr/lib/perl5/vendor_perl/5.8.8/Net/SSH/Perl/Key/DSA.pm line 14. Compilation failed in require at -e line 1. BEGIN failed--compilation aborted at -e line 1. I tried to install Math::BigInt on my new machine, by adding a file at /etc/yum.repos.d/custom.repo containing the lines: [local] name=Perl_module baseurl=http://apt.sw.be/redhat/el5/en/i386/rpmforge/ enabled=1 gpgcheck=0 and then running "yum install Math::BigInt", but it just goes through a lot of spew and then ends with this error: >>> Transaction Check Error: file /usr/share/man/man3/Math::BigFloat.3pm.gz from install of perl-Math-BigIn t-1.89-1.el5.rf.noarch conflicts with file from package perl-5.8.8-41.el5.i386 file /usr/share/man/man3/Math::BigInt.3pm.gz from install of perl-Math-BigInt- 1.89-1.el5.rf.noarch conflicts with file from package perl-5.8.8-41.el5.i386 file /usr/share/man/man3/Math::BigInt::Calc.3pm.gz from install of perl-Math-B igInt-1.89-1.el5.rf.noarch conflicts with file from package perl-5.8.8-41.el5.i3 86 file /usr/share/man/man3/Math::BigInt::CalcEmu.3pm.gz from install of perl-Mat h-BigInt-1.89-1.el5.rf.noarch conflicts with file from package perl-5.8.8-41.el5 .i386 Error Summary >>> Both servers have Math::BigInt 1.77 installed. As far as I can tell, the reason the error occurs on the new server but not on the old server, is because on the old server the place that Math::BigInt is loaded is in the file /usr/lib/perl5/vendor_perl/5.8.8/Net/IP.pm which contains the line: use Math::BigInt; whereas on the new server, Math::BigInt is loaded in the file /usr/lib/perl5/vendor_perl/5.8.8/Crypt/DSA/KeyChain.pm which contains the line: use Math::BigInt 1.78 try => 'GMP, Pari'; However, that's where my "expertise", such as it is, runs out. I have no idea why the two machines even attempt to load Math::BigInt in two different ways since I don't remember installing things differently on them. I would like to fix the problem on the new machine in the cleanest possible way (i.e., not just commenting out the "1.78" in the line "use Math::BigInt 1.78" -- I don't think that would be the "clean" solution!). Any idea what to do? Bennett

7 20

Q2ask about dual systems booting failure!
by alex43210 02 Apr '14

02 Apr '14

On my computer with dual systems(win7+centos6.4(now 6.5), after I do something, problems came out: when I plug portable hard disk into my computer, It is not mounted successfully. SO I do as the suggestions from URL 'http://wiki.centos.org/TipsAndTricks/NTFS' with the following block: _/Installing required packages/_ _//__//__//__//_ _/For /__/*CentOS-6*/__/the /__/*EPEL*/__/repository is carrying later NTFS packages. EPEL is also usable for /__/*CentOS-5*/__/. To install, after enabling the repo per the /__/Repositories <http://wiki.centos.org/Repositories>/__/page: /__//_ _/yum install ntfs-3g /__//_ _//_ _/or if you prefer to leave EPEL disabled by default /__//_ _/yum --enablerepo epel install ntfs-3g /__//_ _//__//_ _/You may also want to /__//_ _/yum install ntfsprogs ntfsprogs-gnomevfs /__//_ _//_ _/for additional functionality. /__//__//_ _/Mounting an NTFS filesystem/_ _//__//_ _/Suppose your ntfs filesystem is /__//dev/sda1/__/and you are going to mount it on /__//mymnt/win/__/, /__//__/do the following. /__//__//_ _/First, create a mount point. /__//_ _/mkdir /mymnt/win /__//_ _//_ _/Next, /__/*edit*/__//__//etc/fstab/__/as follows. To mount read-only: /__//_ _//dev/sda1 /mymnt/win ntfs-3g ro,umask=0222,defaults 0 0 /__//_ _//_ _/To mount read-write: /__//_ _//dev/sda1 /mymnt/win ntfs-3g rw,umask=0000,defaults 0 0 /__//_ _//_ _/You can now mount it by running: /__//_ _/mount /mymnt/win/_ But after doing that, the error is also reported "Unable to mount location\Error mounting: mount:unknown filesystem type 'ntfs'". So I /*mkdir*/ another */mnt/win*, */delete/* the */mymnt/win* and try again. the error is reported too! At the same time, when I reboot the computer. I can not login the Win7 system by error reported " *BOOTMGR is missing*" How can I fix these problem? By the way I use 'fdisk -l' to check my partition and shows as follows: /Disk /dev/sda: 1000.2 GB, 1000204886016 bytes 255 heads, 63 sectors/track, 121601 cylinders Units = cylinders of 16065 * 512 = 8225280 bytes Sector size (logical/physical): 512 bytes / 4096 bytes I/O size (minimum/optimal): 4096 bytes / 4096 bytes Disk identifier: 0x1cc5999d Device Boot Start End Blocks Id System /dev/sda1 * 1 26 204800 7 HPFS/NTFS Partition 1 does not end on cylinder boundary. /dev/sda2 26 12927 103628800 7 HPFS/NTFS /dev/sda3 12927 117676 841393152 f W95 Ext'd (LBA) /dev/sda4 117676 121602 31534808 12 Compaq diagnostics /dev/sda5 12927 44798 256000000 7 HPFS/NTFS /dev/sda6 44798 76669 256000000 7 HPFS/NTFS /dev/sda7 76669 103440 215040000 7 HPFS/NTFS /dev/sda8 103440 103466 204800 83 Linux /dev/sda9 103466 110477 56320000 83 Linux /dev/sda10 110477 111497 8192000 82 Linux swap / Solaris /dev/sda11 111497 117676 49629184 83 Linux// //Can you help me out?/ best regards, yours alex

1 0

Adding a new disk to an existing raid 10
by Roland RoLaNd 02 Apr '14

02 Apr '14

Dear all, I'm not used to handling software raid. I've inherited a server which has raid 10 set. one of our disks failed, and it's to be replaced today. My question is; any hint how to add this new disk to the existing raid array ? first thought is :- Create identical partitions as other disks in the array i'd like to add it to.- add it to raid. Though i'm extremely worried of messing things up and wiping all my data. Any hint would be appreciated

5 5

CentOS-announce Digest, Vol 110, Issue 1
by centos-announce-request＠centos.org 01 Apr '14

01 Apr '14

Send CentOS-announce mailing list submissions to centos-announce(a)centos.org To subscribe or unsubscribe via the World Wide Web, visit http://lists.centos.org/mailman/listinfo/centos-announce or, via email, send a message with subject or body 'help' to centos-announce-request(a)centos.org You can reach the person managing the list at centos-announce-owner(a)centos.org When replying, please edit your Subject line so it is more specific than "Re: Contents of CentOS-announce digest..." Today's Topics: 1. CESA-2014:0341 Moderate CentOS 5 wireshark Update (Johnny Hughes) 2. CESA-2014:0342 Moderate CentOS 6 wireshark Update (Johnny Hughes) ---------------------------------------------------------------------- Message: 1 Date: Mon, 31 Mar 2014 17:51:37 +0000 From: Johnny Hughes <johnny(a)centos.org> Subject: [CentOS-announce] CESA-2014:0341 Moderate CentOS 5 wireshark Update To: centos-announce(a)centos.org Message-ID: <20140331175137.GA11006(a)chakra.karan.org> Content-Type: text/plain; charset=us-ascii CentOS Errata and Security Advisory 2014:0341 Moderate Upstream details at : https://rhn.redhat.com/errata/RHSA-2014-0341.html The following updated files have been uploaded and are currently syncing to the mirrors: ( sha256sum Filename ) i386: 08c8c02b8cedb60b86ec5c10c5caadeb4549493751a112ab44367ae35825a201 wireshark-1.0.15-6.el5_10.i386.rpm 0f9a6201343210ba03cf0d218d6d1781aa3f8766c1ccdb2ad2b40d1891676f63 wireshark-gnome-1.0.15-6.el5_10.i386.rpm x86_64: 0f76ec04395bd97354cc4388ead650651d81a1ef1b2261d193f87762428cf46a wireshark-1.0.15-6.el5_10.x86_64.rpm 9c19cb783ff6c54a96da465f69c7d2ddc0391565470e1709b3071e9c0d31a07a wireshark-gnome-1.0.15-6.el5_10.x86_64.rpm Source: 0cfa8fc9cb3a5ccf88ff1fec32de647b06a42a2e6eb8e9b003f68dff867ef812 wireshark-1.0.15-6.el5_10.src.rpm -- Johnny Hughes CentOS Project { http://www.centos.org/ } irc: hughesjr, #centos(a)irc.freenode.net ------------------------------ Message: 2 Date: Mon, 31 Mar 2014 18:13:23 +0000 From: Johnny Hughes <johnny(a)centos.org> Subject: [CentOS-announce] CESA-2014:0342 Moderate CentOS 6 wireshark Update To: centos-announce(a)centos.org Message-ID: <20140331181323.GA63335(a)n04.lon1.karan.org> Content-Type: text/plain; charset=us-ascii CentOS Errata and Security Advisory 2014:0342 Moderate Upstream details at : https://rhn.redhat.com/errata/RHSA-2014-0342.html The following updated files have been uploaded and are currently syncing to the mirrors: ( sha256sum Filename ) i386: e86f9c91381562e4ed24f3be923675eef44e0c6023a0cdca443c59c1c09687df wireshark-1.8.10-7.el6_5.i686.rpm 01a5149ec6028dc2be17b1118d44c0fa9054a6bee017bd55e5c7a521fafe6cd8 wireshark-devel-1.8.10-7.el6_5.i686.rpm c9fdd1f944111358f6a038a8e151b726bd626ef20dc40f1ef00b9500d3423402 wireshark-gnome-1.8.10-7.el6_5.i686.rpm x86_64: e86f9c91381562e4ed24f3be923675eef44e0c6023a0cdca443c59c1c09687df wireshark-1.8.10-7.el6_5.i686.rpm 4d85f7abcd56ab9c99156037445c5288505ba930c9d5b220a2bf3e9a7b7b5508 wireshark-1.8.10-7.el6_5.x86_64.rpm 01a5149ec6028dc2be17b1118d44c0fa9054a6bee017bd55e5c7a521fafe6cd8 wireshark-devel-1.8.10-7.el6_5.i686.rpm 798968dd1fa8b839acaa65fc32595ba22993dc217139afde6004e0f3d29ca2d6 wireshark-devel-1.8.10-7.el6_5.x86_64.rpm f1965eabc7c53b3c085555db4ac3ac6a31f5ee2dfc261ef644a6a0a767ede4b3 wireshark-gnome-1.8.10-7.el6_5.x86_64.rpm Source: 71a97a11004793b0fd19c3bfe98f65917f05690079aaa77f629eb4553bb7dfae wireshark-1.8.10-7.el6_5.src.rpm -- Johnny Hughes CentOS Project { http://www.centos.org/ } irc: hughesjr, #centos(a)irc.freenode.net ------------------------------ _______________________________________________ CentOS-announce mailing list CentOS-announce(a)centos.org http://lists.centos.org/mailman/listinfo/centos-announce End of CentOS-announce Digest, Vol 110, Issue 1 ***********************************************

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Q2ask4Centos6
by alex43210 01 Apr '14

01 Apr '14

1 0

CENTOS 6.5 NO syslog.conf file. How to fix?
by mcclnx mcc 31 Mar '14

31 Mar '14

We just install Centos 6.5 as an ORACLE server. We found /etc/syslog.conf file is gone. Some of our applications used to setup on CENTOS 5.X /etc/syslog.conf are not work. Can anyone tell me how to fix Centos 6.X no /etc/syslog.conf issue? Thanks.

4 3

about new Centos SIG distro releases
by Edward M 31 Mar '14

31 Mar '14

Hello, Kinda confused, will CentOS new SIGs: CentOS Storage, CentOS Cloud, and CentOS Virtualization, CentOS Core,etc be a developmental path to future RHEL releases, or will they continue be an exact clone of RHEL, like Centos currently is? http://www.zdnet.com/red-hat-reveals-centos-plans-7000027812/

5 11

Centos and Selinux issue
by Alessandro Baggi 31 Mar '14

31 Mar '14

Hi list, I'm new to Centos and I've a very small knowledge of selinux use. I can disable it, but I prefer take it on for study. I've a second mirrored device that I use for file sharing. This is the scenario: /dev/md2 mounted on /mnt/data To make samba working I must set the file context to the path at samba_share_t on /mnt/data. After this samba works. Now I'm setting up postgresql on the same machine, and for first disk size I must use /dev/md2. After configuring postgresql script to init the db, and setting up the alternative data path pointing to /mnt/data/pgsql/data, initdb or start postgresql fail. This issue is selinux related. Now, directory /mnt/data/pgsql/data, has fcontext to samba_share_t and postgresql init script give permission denied on /mnt/data/pgsql/data/postgresql.conf. At this point I've tried to set with chcon /mnt/data at postgresql_db_t, rerun initdb and /etc/init.d/postgresql start and all works fine, except for samba. I can't access anymore the share (for context change). I've tried to set: /mnt/data to samba_share_t /mnt/data/pgsql to postgresql_db_t but with this config is pgsql that does not work. At this point, is possible set to /mnt/data a multiple context to make samba and postgresql to get working on the same path, or I must use "public....." It's a better choice mount /dev/md2 on /mnt/data, make to dirs, one for pgsql and another for sambashare, set relative context and start services? Thanks in advance. Alessandro.

3 2

Supervise Directory With TRIPWIRE
by Rodrigo Pichiñual Norin 31 Mar '14

31 Mar '14

Hi all I have a question, I need supervise a directory of apache on centos The directory it is: /var/www/html/application/........ But I not know if this it is possible... Tripwire Can supervise the directory and all files within ????? this it is possible mofidy the policies for default??? Thank

2 1

Re: [CentOS] Centos and Selinux issue
by m.roth＠5-cent.us 31 Mar '14

31 Mar '14

Alessandro Baggi wrote: > Hi list, > I'm new to Centos and I've a very small knowledge of selinux use. > > I can disable it, but I prefer take it on for study. Ok, first thing you want to do is set it to permissive mode (setenforce 0, and edit /etc/selinux/config to Permissive from Enforcing). That way, you'll get all the alerts and, of course, denials... but it will let it operate. Second: chcon is fine for setting user_u. Maybe role. DON'T USE IT unless you *must* for types. The reason for that is that it does NOT last across reboots. Use semanage (file that under user surly, at the very least). Read the manpage for that, and look at the examples. Nasty gotchas that I've had to fight through: a) it's *not* the wildcards I'm used to. To get a directory and its contents, give the *FULL* pathname, then end as the example: semanage fcontext -a -t whatsit_t "/mnt/what/dunno(/.*)?" Notes: the -a says add this context. if it's got a wildcard, USE THE QUOTES around the path. If it's just one file, you don't need the quotes, but use the *full* path. Selinux does not play with relative paths. b) assuming you get past that, then run restorecon -R -v - /path -R is recursive, and -v is verbose, so you *see* it doing what you expect it to do (or not). To your specific issue, /mnt is, I believe, not one of their paths that the policy knows what to do with, so you'll have to label it all. For things that policy doesn't know, and relabelling still didn't fix the problem, you'll need to create a policy (but be *VERY* chary about that). Make sure auditd is running, and that setroubleshoot is installed. Trying to read the AVC's tends to be a study in frustration. The sealerts that will show up in messages will *usually* be more helpful (unless your users or organization are doing stuff that's not what everyone else does (like not having your website stuff under /var/www). Last detail: subscribe <selinux(a)lists.fedoraproject.org> <SNIP> mark "no, I don't like selinux, but I'm stuck having to live with it, even though we mostly have it in permissive mode"

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