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After upgrading openssl, unable to bind to server: Can't contact LDAP server

It was working like this, in /etc/openldap/ldap.conf URI ldap://127.0.0.1/ BASE dc=example,dc=com TLS_REQUEST never TLS_CACERTDIR /etc/pki/tls/certs I was able to connect our secured ldap server. ...
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25 views

Stuck at grub prompt after a default CentOS 6 installation

I am having a very strange problem installing CentOS 6 that I've never encountered before. I've followed these same steps thousands of times before, but within the past couple weeks I've had two ...
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1answer
25 views

Change VNC password without losing the session

I have a VNC session to my server(linux), but now i need to change their password, however, i cannot lose that session. If I use this command: vncpasswd [passwd-file] Does anyone know if I will ...
2
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0answers
12 views

PIV authentication on redhat

I'm looking for a solution, or set of technologies, (etc) - for setting up a mixed (win 7, rhel 6.5) network with centralized login using smart cards (PIV). I know that this is possible using a ...
5
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1answer
76 views

RHEL6 Keeping 1 old kernel and security

I have my RHEL 5&6 servers set to keep 1 old kernel after updates, I do this in case I need to recover the system for any number of reasons. My question is related to security of the system when ...
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2answers
36 views

Yum update problems on AWS with missing requirements and duplicate sendmail

I am running an AWS VM and tried: sudo yum update Result: Error: Protected multilib versions: sendmail-8.14.4-8.12.amzn1.x86_64 != sendmail-8.14.4-7.9.amzn1.i386 You could try using ...
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1answer
11 views

Adding Reply-To header using Postfix if it does not exist in the mail headers

I would like to add a Postfix re-write rule to insert a Reply-To: header if there is not one already defined. This server is a web server with PHP and Perl scripts, we do not want the mail sent from ...
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1answer
29 views

How to troubleshoot an unexpected Linux shutdown

I have two RHEL6.3 servers that just shutdown at the same exact time (25 seconds apart) for no apparent reason. They're on conditioned power, along with a number of other servers that didn't shut ...
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1answer
58 views

Number of SSH connections rises, and blocks data?

We have a client server setup, where the client sets up an SSH tunnel and uses port forwarding to send data to the server: ssh -N -L 5000:localhost:5500 user@serveraddress The normal number of SSH ...
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12 views

JNI is expected in /usr/lib/jvm/jre-1.6.0-openjdk.x86_64/bin/include/linux [closed]

I am trying to set up Confluence on an RHEL 6.5 server. I am following this page: https://confluence.atlassian.com/display/DISC/Prerequisites+and+installation+on+Fedora+or+RHEL+Linux I have got to ...
2
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1answer
590 views

CentOS yum *.rpm package changelog (not installation changelog)

I just logged into my new rented server and updated openssl because of the heartbleed-bug (http://heartbleed.com). I updated using yum list openssl ... Installed Packages openssl.x86_64 ...
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2answers
30 views

Can I have virtio-win package on CentOS?

In "Red Hat Enterprise Linux 6. Virtualization Host Configuration and Guest Installation Guide" in chapter 10.1 "Installing the KVM Windows para-virtualized drivers" it says: The virtio-win ...
2
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1answer
45 views

Assign different Hostname to different NIC

I have four network card on my server, I have assigned each with an specific IP now I want to set an different hostname for all the interface? What is the difference between setting the hostname in ...
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1answer
26 views

mouting NFSv4 filesystem returning “Permissions denied”

I am using Red Hat for NFS with Kerberos client: [root@perf-c238 ~]# cat /proc/version Linux version 2.6.18-92.el5 (brewbuilder@ls20-bc2-13.build.redhat.com) (gcc version 4.1.2 20071124 (Red Hat ...
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0answers
27 views

when and how to appropriately use /proc/sys/vm/drop_caches

You can clear page cache with /proc/sys/vm/drop_caches. Can someone provide a practical explanation of how this works, when as a sysadmin you would want to do this, how to determine if your system ...
1
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1answer
35 views

Under what circumstances could multiple VMs and mounted drives have corruption at the same time?

Today I had to fix 3 VMs with near identical file system errors all running Redhat 5 or 6. Basically the VMs had corrupted inodes and remounted / as a read-only file system, also corrupting several ...
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2answers
33 views

Using `repomirror` to mirror a yum repository for a different OS version?

I have an EL5 machine. On this host I would like to mirror a Puppet repository for EL6 rpms. How can I mirror an EL6 or Fedora repository on an EL5 host? I am using reposync because I only need the ...
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1answer
13 views

PHP CLI with IMAP, 5 second startup delay

Having installed "php-imap-5.3.3-27.el6_5.x86_64" on a RedHat Enterprise 6.5 server, the CLI version of PHP always takes 5 seconds to run: php -n -d extension=imap.so -v PHP 5.3.3 (cli) (built: Dec ...
2
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1answer
32 views

RHEV Manager best practises

I've been playing around with RHEV. I was wondering what is the best practise for the RHEV Manager in terms of installation. In a big production environment is it best for the Manager to be installed ...
0
votes
1answer
14 views

Understanding sendmail -bt in conjunction with aliases

I'm familiar with exim and the behaviour of exim -bt in indicating how a message will be routed. I'm trying to set up a trivial sendmail configuration to route root mail on a local system to my ...
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1answer
60 views

RHEL SELinux blocking Apache access to PostgreSQL

I'm running a Django app that uses PostgreSQL. The server is running RHEL 6.5 with SELinux. I'm having an issue where the Django app can't connect to the DB, and I think it's because SELinux is ...
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0answers
26 views

How to enable memberOf attribute in OpenLDAP?

How can I enable the memberOf layer on a Red Hat 6.5 (Santiago)? So far I tried to create a config file dn: cn=module,cn=config cn: module objectclass: olcModuleList objectclass: top olcmoduleload: ...
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1answer
48 views

Apache fails to start with new ssl certificate

I'm running RHEL 6.4 and my trusted certificate has expired recently, so I decided to renew it. I've obtained a new certificate from StartSSL. After downloading and putting the certificate file on the ...
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0answers
24 views

Unable to access disks in rhel 6.5

I work for a biology lab. We recently bought a new microscope that produces an enormous amount of data - it is simply not feasible to store it on a desktop. So, we bought a storage server - the idea ...
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1answer
12 views

Net::FTP Perl module hangs

So, I'm running Perl 5.8.8 on a RHEL5.2 system. I recently moved the LDAP source for authentication, and now I'm having issues with Net::FTP. Authentication works with the new LDAP source perfectly. ...
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0answers
17 views

floating ip issues redhat

my public floating ip is not accessable through internet.I am buliding an lvs system where 202.141.81.242 is the floating ip and 202.141.81.241 is the real ip of the machine.I can ping 202.141.81.241 ...
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2answers
29 views

Will redhat yum see packages installed with rpm? [closed]

Or if not, is there a way to make yum be aware of them? Does 'rpm -qa' and 'yum list installed' query the same source?
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2answers
31 views

What is the minimum memory requirement for RHEL 4?

I know RHEL 4 is ancient history now, but trying to find minimum memory requirements on the Redhat website is proving to be almost impossible (or I'm searching for the wrong thing). Minimum CPU ...
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0answers
9 views

SNMPget and bash gives strange results (gauge32 values incorrect)

Reallly strange to me but here is the problem. If I use an SNMP client such as ManageEngineMibBrowser to query the appliance I get what look like reasonable Numbers: dpStatusMemoryStatusUsage.0 97 ...
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1answer
34 views

iptables rules for lvs using piranha gui

I am trying to bulid an lvs system, where 202.141.81.239 is the virtual IP and 202.141.81.241 and 202.141.81.242 are the lvs routers.Ths system is working fine in our intranet but is not through ...
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0answers
23 views

Directory Listing Denied Message

Understand that this is the common error for a missing index.* in the location being pointed to by Apache, however I know it to be the case that there is an index.php in the location specified as the ...
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1answer
59 views

Starting Tomcat 7 as a user - init.d script can't write pid

I want to run Tomcat 7 as a user on CentOS 6. I've created a user tomcat:tomcat and changed the ownership under /var/lib/apache-tomcat* etc... There are lots of docs online on how to do that but I ...
1
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1answer
32 views

yum install throwing error 403 when trying to install from rhel-x86_64-server-6

To preface this, I don't have much Red Hat experience. Most of my experience is with Ubuntu. The server I'm working on right now is running Red Hat Enterprise 6.5. I'm trying to do a simple yum ...
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2answers
42 views

Installing perl-Time-HiRes on RHEL6.2 gives perl dependency error

I get the following when trying to install perl-Time-HiRes: host1:user1 > sudo yum install perl-Time-HiRes Loaded plugins: product-id, security, subscription-manager This system is not registered ...
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0answers
17 views

RHEL6 virtualisation license costs [duplicate]

Red Hat pricing for virtualisation seems very unclear. I've been quoted that one license covers "1 physical socket-pair OR 2 virtual nodes". I'm looking at running a RHEL6 base system as a fileserver, ...
0
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1answer
48 views

CentOS Virt-v2v conversion tool

I am trying to use the virt-v2v tool in CentOS for the conversion of virtual to virtual and eventually physical to virtual machines. I am rather confused after spending a day trying to get the ...
0
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1answer
83 views

No Tomcat7 package for RHEL 6

We're currently setting up a new application hosting environment on Rackspace and are struggling to find a package for Tomcat 7. Our previous provider was Amazon and we ran on Amazon Linux who via ...
0
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1answer
24 views

Format and partition device-mapper in LVM

I have a disk on a server: /dev/VolGroup00/LogVol02 that is about 5TB. I would like to format and partition it to make 2 500GB mount points. It doesn't even have to be in LVM. How can I take this ...
0
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0answers
12 views

iscsiadm - how to disconnect from one of several connections to same target

I have a RHEL 5.x server with multiple connections to the same SAN (different targets). I'm consolidating some of the storage and want to disconnect one of the connections. I have unmounted the ...
0
votes
1answer
26 views

How can I retrieve screen unlock times in gnome?

The last command only retrieves the login times. I'm interested in the times that the screen was unlocked. Any indirect means of getting this are also welcome.
4
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2answers
178 views

VMXNET3 performance on Linux on ESX 5.0

What kind of performance can I expect from VMXNET3 adapter when running two Linux guests on the same VMware ESX private network defined between those guests? I use VMXNET3 adapter for communicating ...
0
votes
0answers
36 views

pam_tally2 being called before Password entry

Based on the suggestion given in: Account Lockout with pam_tally2 in RHEL6 I have come to a working configuration, wherein account is getting locked out after 3 failed logins. Catch is that ...
3
votes
1answer
52 views

Network card location

I am generally familiar with hpacucli and hpasmcli but how do I determine in which slot a network card is installed? I need to be able to map to and from the slot and the MAC (and from there to the ...
1
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1answer
20 views

Tomcat upgrade replacing ROOT.war

When upgrading tomcat by running: yum update on Amazon Linux the ROOT.war file is replaced by the default ROOT.war from the tomcat distribution. Is there a way to prevent this?
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0answers
42 views

Multiple networks in Openstack Grizzly (Neutron)

I am deploying a PoC/demo on CentOS 6.5. I want to have multiple external networks. The end result should be something like: The 3 networks are come in through a Cisco switch. For various reasons I ...
0
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4answers
49 views

mysql - how to zero out the access log file? [closed]

I have a MySQL 5.5 service (RHEL 5.x) with a ~350Gb access log file. I'd like to zero this file out. Do I need to do anything special before-hand? Stop the server?
0
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1answer
62 views

Prevent reboot after yum update

I would like to know how to stop the system from rebooting after running a yum update. I use a script on each system which runs daily yum updates through cron and if an uodate is critical enough (for ...
1
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0answers
52 views

How to register RH 6.5 in order to use yum (behind http proxy)

I registered my RH 6.5 machines using subscription-manager. Yum is not working. I'm behind http proxy so I added proxy=http://x.x.x.x:3128 into /etc/yum.conf. But still yum installations fail: yum ...
1
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2answers
166 views

Openstack/PackStack basic multi-node network setup

Background After having installed OpenStack with PackStack we are left with a problem with the networking. We wanted a super-simple network with one subnet where all the virtual machines should ...
0
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0answers
402 views

Samba Configuration issue

I have been looking around to no avail. RHEL 6.4 I can run the following from a remote server, and successfully authenticates against LDAP: smbclient -L //tric4t/share -U username Once I run ...