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additional fonts on centos 6
by Jerry Geis 04 Aug '11

04 Aug '11

Hi all, I have additional TTF fonts I purchased and added to CentOS 5.6. I used the commands chkfontpath and ttmkfdir to do that . These dont seem to be in CentOS 6 . How do I add fonts to openoffice for CentOS 6? Thanks, Jerry

3 2

CentOS 6 system-config-bind missing?
by Emmett Culley 04 Aug '11

04 Aug '11

First system-config-network is not part of CentOS/RHEL 6, now I don't see system-config-bind either. Is there an alternative (GUI) way to manage the bind DNS server? Emmett

12 22

MySQL package to install on CentOS/RedHad 6.x
by Marc Deop 04 Aug '11

04 Aug '11

I can see Oracle has packages for RedHad 5 but not for 6... Should I install the rpm for redhad even though they are built against 5? Or should I install the generic rpm package from Oracle? anyone knows the differences? Thanks in advance Regards, Marc Deop

7 7

openssh rpm version greater than 4.3
by Vinay Nagrik 04 Aug '11

04 Aug '11

Hello Team, We ship our own software own top of Centos 5.2 OS and install other applications and rpms on top of rpms available in 5.2 Centos. We are in the process of upgrading to a later version of openssh (5.8 version of openssh is already available), however the latest src.rpm version of openssh available on Centos site is still openssh-4.3p2-72.el5_6.3.src.rpm<http://oss.oracle.com/el5/SRPMS-updates/openssh-4.3p2-72.el5_6.3.src.rpm> Which is a 4.3 and not anything in 5.x. The reason we want to do it because there are many vulnerabilities in older versions of openssh. Few are listed below. -* A signal handler race condition in OpenSSH before Version 4.4 can be exploited to cause a crash, and possibly execute arbitrary code if GSSAPI **authentication is enabled, via unspecified vectors that lead to a double-free. (CVE-2006-50 **- A denial of service vulnerability exists in sshd in OpenSSH before Version 4.4, when using the SSH protocol Version 1, because it does not**properly handle duplicate incoming blocks. This can be exploited by a remote attacker to cause sshd to consume a large quantity of CPU resources. ** (CVE-2006-4924)* *OpenSSH is prone to a plain text recovery attack. The issue is in the SSH protocol specification itself and exists in Secure Shell (SSH) software**when used with CBC-mode ciphers.* *OpenSSH is prone to a vulnerability that allows attackers to hijack forwarded X connections.Successfully exploiting this issue may allow an attackerrun arbitrary shell commands* These are only some of the issues and they are fixed in versions 5.2 or later. We work with openssh src.rpm and we are interested in getting a version 5.2 or greater src.rpm from Centos. I tried compiling these rpms from openssh source, but was unsuccessful. Can anyone thow some light, as to where can I get it or request it, which will work with other centos rpms. thanks in advance Thanks Nagrik

5 4

e-mail serving
by Todd 03 Aug '11

03 Aug '11

I am going to try an experiment with e-mail aggregation where I expect to receive over 1 million e-mails a day from public lists. Can anyone shed some light on hard disk space (to retain this e-mail for long periods) and system specs to be able to handle the load? I am looking to buy a low end box, but that can hold lots of RAM and accomodate a fair number of HD's to store the e-mail while I try my experiments. Can anyone provide some realistic specs while maintaining a small budget? -Jason

9 20

PKA help
by Todd 03 Aug '11

03 Aug '11

Hi All, I was able to create a public key for one of my servers that I log into frequently. Now I want to do this for a few more servers (where I use the same user id) and my user id on my laptop is the same as the servers. I also want to use PKA for other users accounts on the servers (for website editing and SFTP transfers) where my id on my laptop does NOT match the user on the server. I dont see at all how to make these changes as I already have an id_rsa and id_rsa.pub. So as an example: my user id on my laptop is: jtsm and the user id i want to log into the server as is: wwwdata Can anyone shed some light on how to setup multiple PKA on a single laptop with a single user account connecting as multiple user accounts to the server? -Jason

3 4

can't recover LVM volume: Please specify a *single* volume group to restore
by Rudi Ahlers 03 Aug '11

03 Aug '11

Hi everyone, I'm trying to recover a deleted LVM volume but can't see to get the syntax right. Running the following command gives me a list of backed up LVM volumes: root@usaxen02:[~]$ vgcfgrestore -l fluidVG_125094317679 ------- snip --------- File: /etc/lvm/archive/fluidVG_125094317679_00126-1479850541.vg VG name: fluidVG_125094317679 Description: Created *before* executing 'lvremove /dev/fluidVG_125094317679/mars.x.com_root_125152080771' Backup Time: Tue Aug 2 17:40:44 2011 File: /etc/lvm/backup/fluidVG_125094317679 VG name: fluidVG_125094317679 Description: Created *after* executing 'lvremove /dev/fluidVG_125094317679/mars.x.com_root_125152080771' Backup Time: Tue Aug 2 17:40:44 2011 So I want to recover mars.x.com_root_125152080771 and issue the following command: root@usaxen02:[~]$ vgcfgrestore -f fluidVG_125094317679 mars.x.com_root_125152080771 fluidVG_125094317679: stat failed: No such file or directory Couldn't read volume group metadata. Restore failed. root@usaxen02:[~]$ vgcfgrestore -f fluidVG_125094317679 Please specify a *single* volume group to restore. root@usaxen02:[~]$ vgcfgrestore -f mars.x.com_root_125152080771 Please specify a *single* volume group to restore. All different attempts, which apparently should work according to some google search results I've found but doesn't. Another attempt: root@usaxen02:[~]$ vgcfgrestore -vvt /etc/lvm/archive/fluidVG_125094317679_00126-1479850541.vg fluidVG_125094317679 Test mode: Metadata will NOT be updated. Setting global/locking_type to 1 global/wait_for_locks not found in config: defaulting to 1 File-based locking selected. Setting global/locking_dir to /var/lock/lvm Please specify a *single* volume group to restore. Test mode: Wiping internal cache Wiping internal VG cache Does anyone know what the correct syntax should be on CentOS 5.5? -- Kind Regards Rudi Ahlers SoftDux Website: http://www.SoftDux.com Technical Blog: http://Blog.SoftDux.com Office: 087 805 9573 Cell: 082 554 7532

1 0

Two ftp clients? Why?
by James B. Byrne 03 Aug '11

03 Aug '11

I had a problem wherein running a script with an embedded ftp call would work in the login shell during integration testing and then fail with an unrecognized option error in cron during acceptance testing. In solving this I discovered that RedHat, and therefore CentOS, ships with at least two ftp clients, /usr/bin/ftp ( which I thought I was using ) and /usr/kerberos/bin/ftp, which I actually was using. even though I had no inkling of its existence. My question is why? Why are there two ftp clients provided in a single distribution and why is the kerberos version effectively made the default whereas one might reasonably assume that anything in /usr/bin/ is the standard ( and by inference default ) ftp client for the distribution? If kerberos ftp is intended to be the default ftp client then why is it not in, or at least linked to from, /usr/bin? I just do not understand why these obscure distribution 'gotchas' are created in the first place, much less permitted to persist. -- *** E-Mail is NOT a SECURE channel *** James B. Byrne mailto:ByrneJB@Harte-Lyne.ca Harte & Lyne Limited http://www.harte-lyne.ca 9 Brockley Drive vox: +1 905 561 1241 Hamilton, Ontario fax: +1 905 561 0757 Canada L8E 3C3

18 38

configure
by m.roth＠5-cent.us 03 Aug '11

03 Aug '11

Does anyone know, or have a link, to something that can tell me how to find out exactly what options a ./configure was run with? Is there something in configure.ac, or the Makefile, or ...? mark

4 7

CentOS 6, Postfix Dovecot
by John Hinton 03 Aug '11

03 Aug '11

I only have one Postfix server running at the moment and have some questions. On that install, I did Amavisd-new with ClamAV, SpamAssassin, Postfix and Dovecot. I know this is a bit off topic, but I'm really hoping for performance guidance. Is the added layer of complexity running Amavis worth the effort on a system with moderate mail flow? Or should I just go down the path of getting Clam and SA working with Postfix and be done with it? Whatever path I decide upon now will hopefully be the future for other system builds to come. I have about a dozen Sendmail installs running (which will eventually need to be moved over). Some of what I didn't like about those is Clam/AV and other checks occurred on both incoming and outgoing email. We pretty much don't have an outbound email virus or spam problem, so were getting a number of false positives due to DHCP and clients being assigned a dirty IP address from time to time. So yes, what's a good mailserver setup which hopefully stays as close to upstream as possible on 6.0? John Hinton

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