Discuss May 2011

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Centos v3.3 CD 2
by Luis-Miguel Astudillo 15 Nov '11

15 Nov '11

Sorry, I have been away for a while. has anyone fixed CD2 fotr CentOS v3.3 ? -- Luis

6 7

Scientific Linux 6.0 released (based on RHEL 6.0)
by Arun Khan 02 Sep '11

02 Sep '11

I know this is the CentOS list. However, as there has been some interest in CentOS 6.0 (RHEL 6), I thought I'd share the news here. Scientific Linux 6 is based on RHEL 6 with add-ons for scientific computing. FWIW, the Admin tools etc. are pretty much the same as in RHEL, so are the base packages. Read more at <http://www.scientificlinux.org/distributions/6x/60/> -- Arun Khan

9 10

Intel 82599 driver?
by Lars Hecking 22 Aug '11

22 Aug '11

Which version of the ixgbe driver is included in 5.6? I went through all the RHEL5 release notes, but they only ever state that the driver was updated, not which devices was added. This device is not supported up to CentOS 5.5 (2.0.44-k2), but the latest driver from the Intel web site works fine (3.2.10). 05:00.0 Ethernet controller: Intel Corporation Unknown device 151c (rev 01) 05:00.0 0200: 8086:151c (rev 01) Subsystem: 8086:a03c Flags: bus master, fast devsel, latency 0, IRQ 170 Memory at de400000 (64-bit, non-prefetchable) [size=2M] I/O ports at ecc0 [size=32] Memory at de3f8000 (64-bit, non-prefetchable) [size=16K] Expansion ROM at de200000 [disabled] [size=1M] Capabilities: [40] Power Management version 3 Capabilities: [50] Message Signalled Interrupts: 64bit+ Queue=0/0 Enable- Capabilities: [70] MSI-X: Enable+ Mask- TabSize=64 Capabilities: [a0] Express Endpoint IRQ 0 Capabilities: [e0] Vital Product Data Capabilities: [100] Advanced Error Reporting Capabilities: [140] Device Serial Number 2c-cf-9a-ff-ff-21-1b-00 Capabilities: [150] Unknown (14) Capabilities: [160] Unknown (16)

7 15

Redirecting PHP error messages into a log file
by Alexander Farber 30 Jun '11

30 Jun '11

Hello, I'm using CentOS release 5.5 x86_64 with the stock php-5.1.6-27.el5 and would like to redirect PHP messages into /var/log/httpd/php_log First I tried adding that file name to /etc/php.ini: error_log = "/var/log/httpd/php_log" and restarted httpd, but the file didn't appear. I've touched it and changed owner to apache.apache, but that didn't help. Then I've changed that line to error_log = syslog and now I get the messages in /var/log/messages: Jul 29 21:29:24 hXXX httpd: PHP Notice: Undefined index: REMOTE_ADDR in /var/www/html/odnoklassniki/index.php on line 44 Jul 29 21:29:45 hXXX httpd: PHP Parse error: syntax error, unexpected '[' in /var/www/html/odnoklassniki/index.php on line 44 I still would like to move those message to a separate file though, so I've added the following line to /etc/syslog.conf and reloaded syslogd service: httpd.* /var/log/httpd/php_log but the file is still empty. Any hints please? Thank you Alex -- http://preferans.de

6 6

Lingering dhclient issue
by Alfred von Campe 23 Jun '11

23 Jun '11

I recently reconfigured some CentOS 4.3 systems that were using DHCP to use static IP addresses. At the same time, the systems were moved to a new VLAN. Here is the approximate sequence of events that took place: 1. ifdown eth0 2. edit /etc/sysconfig/network-scripts/ifcfg-eth0 with static IP address 3. wait for network folks to reconfigure switch 4. ifup eth0 I may have reversed steps 1 and 2 on some of the systems. The problem was that the dhclient process didn't go away, and kept renewing the old lease. Our DHCP server is configured to contact the DNS server and update the entry for each host it serves. So the DNS entries for these systems were pointing to the old address in the old VLAN. The eth0 interface itself just kept the static IP address for which it was configured. It took me a while to figure out what was going on. My question is, what could I have done to avoid this (other than killing the dhclient process)? Is there a better way to reconfigure an interface to use a static address? I am not interested in solutions that involve using a GUI (i.e., only command line solutions). Thanks, Alfred

9 17

CentOS 5.6 - Samba server + Windows error 233
by Guy Boisvert 14 Jun '11

14 Jun '11

Hi! I have upgraded my servers yesterday to CentOS 5.6 via yum update. Everything went smoothly except that i have client workstations not part of the domain that are not able to access the samba server anymore. The samba server is part of the domain. We recently added Windows 2008 R2 DC. Everything was working smoothly until the CentOS update. I had a Win7 Workstation that i had success connecting when using the "net use" command: net use g: \\sambaserver\share /user:domain\username The mapping worked right away and didn't even asked for the password. Normally, before the CentOS upgrade, i'd put \\sambaserver in the UNC line of the Windows Explorer and i'd get a box asking for credentials. Entering "domain\username" as user and giving the password in the password line was working. Not anymore. I have another XP workstation on another subnet (router wide open) and the mapping with the command line as specified above doesn't even work. For this subnet, i have to use the IP address because the workstations on it use a DNS which isn't aware or active directory (and cannot change this). samba-3.0.33-3.29.el5_6.2 samba-common-3.0.33-3.29.el5_6.2 Here is my smb.conf: =================== [global] workgroup = DOMAINNAME realm = DOMAINNAME.COM server string = Servername File Server socket options = TCP_NODELAY SO_RCVBUF=8192 SO_SNDBUF=8192 security = ADS encrypt passwords = yes passdb backend = tdbsam password server = * preferred master = No local master = No domain master = No cups options = raw hosts allow = 10.0.2., 10.0.3., 127., 10.0.4.40 pam password change = Yes passwd program = /usr/bin/passwd %u passwd chat = *New*Password* %n\n *Re-enter*new*password*%n\n *Password*changed* username map = /etc/samba/smbusers unix password sync = Yes log level = 1 syslog = 0 log file = /var/log/samba/%m max log size = 50 smb ports = 139 name resolve order = bcast hosts time server = Yes printcap name = CUPS show add printer wizard = No add user script = /usr/sbin/useradd -m '%u' delete user script = /usr/sbin/userdel -r '%u' add group script = /usr/sbin/groupadd '%g' delete group script = /usr/sbin/groupdel '%g' add user to group script = /usr/sbin/usermod -G '%g' '%u' add machine script = /usr/sbin/useradd -s /bin/false -d /tmp '%u' shutdown script = /var/lib/samba/scripts/shutdown.sh abort shutdown script = /sbin/shutdown -c # separate domain and username with '\', like DOMAIN\username winbind separator =+ # use uids from 10000 to 20000 for domain users idmap uid = 10000-20000 # use gids from 10000 to 20000 for domain groups idmap gid = 10000-20000 # allow enumeration of winbind users and groups winbind enum users = yes [homes] comment = Home Directories read only = No browseable = No writable = yes [Videotheque] comment = Fichiers MPEG2 path = /home/Samba/Videotheque read only = No available = Yes public = Yes writable = yes admin users = domainname+user1,domainname+user2,domainname+user3 TIA, Guy Boisvert

2 3

Re: [CentOS] Issue with Perl and rpmforge - advice? - SOLVED
by Mark 13 Jun '11

13 Jun '11

On Wed, Sep 1, 2010 at 6:51 PM, Mark <mhullrich(a)gmail.com> wrote: > I have an old version of rkhunter installed on my CentOS 5 machine, > one I got from rpmforge. > > In my most recent attempts to update this, I get the following errors in yum: > : > --> Finished Dependency Resolution > perl-AnyEvent-5.240-1.el5.rf.noarch from rpmforge has depsolving problems > --> Missing Dependency: perl(Net::SSLeay) >= 1.33 is needed by > package perl-AnyEvent-5.240-1.el5.rf.noarch (rpmforge) > Error: Missing Dependency: perl(Net::SSLeay) >= 1.33 is needed by > package perl-AnyEvent-5.240-1.el5.rf.noarch (rpmforge) The solution (from the rpmforge users list) was to exclude perl-AnyEvent. Just thought you should know.... Mark

4 4

Grep: show me this line and the next N lines?
by Dotan Cohen 07 Jun '11

07 Jun '11

Can grep show the matching lines and the next N lines after a match? For instance, I have a config file wit hthe following text: [Tag h1] foreground=#2e5a03 underline=double indent=0 weight=PANGO_WEIGHT_BOLD scale=2.25 I would ideally grep on "[Tag h1]" and have grep display the match and the next 5 lines so that I see all the content of the h1 section. Can this be done? Thanks! -- Dotan Cohen http://gibberish.co.il http://what-is-what.com

7 9

Unable to mount Centos 5.6 Server via nfs4 - Operation Not Permitted - MADNESS!
by RILINDO FOSTER 04 Jun '11

04 Jun '11

After getting a reasonably configured NFS4 setup working on my Scientific Linux server, I spent a majority of my evening trying to do the same with my Centos 5 box, with fruitless results. Most attempts to mount that server returns the following message: [root@sl01 log]# mount -t nfs4 192.168.15.200:/opt/company_data /mnt mount.nfs4: Operation not permitted As nearest as I can tell, I was able to setup the ports correctly in /etc/sysconfig/nfs [root@centos sysconfig]# grep -v \# nfs RQUOTAD_PORT=875 LOCKD_TCPPORT=32803 LOCKD_UDPPORT=32769 MOUNTD_PORT=892 STATD_PORT=662 As well as my /etc/services file: # Local services rquotad 875/tcp lockd 32803/tcp lockd 32769/tcp mountd 892/tcp statd 662/tcp rquotad 875/udp lockd 32803/udp lockd 32769/udp mountd 892/udp statd 662/udp [root@centos sy rpcinfo -p seems fine (although I understand that is not relevent with nfs4) [root@centos sysconfig]# rpcinfo -p program vers proto port 100000 2 tcp 111 portmapper 100000 2 udp 111 portmapper 100024 1 udp 662 status 100024 1 tcp 662 status 100011 1 udp 875 rquotad 100011 2 udp 875 rquotad 100011 1 tcp 875 rquotad 100011 2 tcp 875 rquotad 100003 2 udp 2049 nfs 100003 3 udp 2049 nfs 100003 4 udp 2049 nfs 100021 1 udp 32769 nlockmgr 100021 3 udp 32769 nlockmgr 100021 4 udp 32769 nlockmgr 100021 1 tcp 32803 nlockmgr 100021 3 tcp 32803 nlockmgr 100021 4 tcp 32803 nlockmgr 100003 2 tcp 2049 nfs 100003 3 tcp 2049 nfs 100003 4 tcp 2049 nfs 100005 1 udp 892 mountd 100005 1 tcp 892 mountd 100005 2 udp 892 mountd 100005 2 tcp 892 mountd 100005 3 udp 892 mountd 100005 3 tcp 892 mountd And services are running: [root@centos sysconfig]# service nfs status rpc.mountd (pid 6321) is running... nfsd (pid 6318 6317 6316 6315 6314 6313 6312 6311) is running... rpc.rquotad (pid 6306) is running... [root@centos sysconfig]# service nfslock status rpc.statd (pid 6248) is running... [root@centos sysconfig]# service portmap status portmap (pid 6210) is running... And firewall is open both ways: [root@centos sysconfig]# iptables -n -L | grep -E '(2049|111|32759|32803|662|875|892)' ACCEPT udp -- 0.0.0.0/0 0.0.0.0/0 udp dpt:111 ACCEPT udp -- 0.0.0.0/0 0.0.0.0/0 udp dpt:2049 ACCEPT tcp -- 0.0.0.0/0 0.0.0.0/0 tcp dpt:2049 ACCEPT udp -- 0.0.0.0/0 0.0.0.0/0 udp dpt:875 ACCEPT udp -- 0.0.0.0/0 0.0.0.0/0 udp dpt:875 ACCEPT tcp -- 0.0.0.0/0 0.0.0.0/0 tcp dpt:875 ACCEPT tcp -- 0.0.0.0/0 0.0.0.0/0 tcp dpt:892 ACCEPT tcp -- 0.0.0.0/0 0.0.0.0/0 tcp dpt:662 ACCEPT tcp -- 0.0.0.0/0 0.0.0.0/0 tcp dpt:32803 ACCEPT udp -- 0.0.0.0/0 0.0.0.0/0 udp dpt:32803 ACCEPT udp -- 0.0.0.0/0 0.0.0.0/0 udp dpt:662 ACCEPT udp -- 0.0.0.0/0 0.0.0.0/0 udp dpt:892 ACCEPT tcp -- 0.0.0.0/0 0.0.0.0/0 tcp dpt:111 ACCEPT udp -- 0.0.0.0/0 0.0.0.0/0 udp dpt:111 ACCEPT tcp -- 0.0.0.0/0 0.0.0.0/0 tcp dpt:111 ACCEPT tcp -- 0.0.0.0/0 0.0.0.0/0 tcp dpt:2049 ACCEPT udp -- 0.0.0.0/0 0.0.0.0/0 udp dpt:2049 ACCEPT tcp -- 0.0.0.0/0 0.0.0.0/0 tcp dpt:32803 ACCEPT udp -- 0.0.0.0/0 0.0.0.0/0 udp dpt:32803 ACCEPT udp -- 0.0.0.0/0 0.0.0.0/0 udp dpt:662 ACCEPT tcp -- 0.0.0.0/0 0.0.0.0/0 tcp dpt:662 ACCEPT tcp -- 0.0.0.0/0 0.0.0.0/0 tcp dpt:892 ACCEPT tcp -- 0.0.0.0/0 0.0.0.0/0 tcp dpt:875 ACCEPT udp -- 0.0.0.0/0 0.0.0.0/0 udp dpt:875 I am about to mount via NFS3, so that part I know works. Is there a known problem with NFS4 on Centos (or Red Hat) 5? Or am I missing something someplace? - Rilindo

4 14

BIND9 - automatic zone definition replication to slave
by Martin Šťastný 01 Jun '11

01 Jun '11

Hello, I have simple question - is there a way to automatically replicate zone definition (not zone itself - this is easy) to slave server using BIND9? Is it BIND built-in or are there prebuilt scripts? Or I have to write that script on my own (started by Cron, transfer file with zone names, create conf file and finallly restart BIND?)? Thank you in advance

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Discuss May 2011