rhel

How do I install memcached server under Red Hat Enterprise Linux 6.x server running on IBM hardware to cache query for my php based apps?

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How do I disable the route 169.254.0.0 / 255.255.0.0 from CentOS or RHEL 6 Linux server?

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I‘m getting slow DNS response from ssh and other network related traffic with delay of 30-60+ seconds per connection. All of our servers are behind hardware based dedicated firewall. My RHEL v6.1 server system running on HP hardware. How do I fix this problem?

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When I run ‘yum install package‘ or ‘yum update‘ commands the yum command works normally until Running Transaction Test and hangs until the yum process is killed manually using the kill command. How do I fix this problem under CentOS Linux 5.x AMD64 running on HP server?

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How can I find all the file descriptors used by a process such as httpd (Apache web server) or mysqld (MySQL Database server)?

{ 1 comment }

RHEL Warning: RPMDB altered outside of yum

by Vivek Gite on June 14, 2011 · 1 comment

When I try to update my server using the yum command I’ve been seeing the following error / warning message:

yum install aide
Loaded plugins: rhnplugin
Setting up Install Process
Resolving Dependencies
--> Running transaction check
---> Package aide.x86_64 0:0.14-3.el6 will be installed
--> Finished Dependency Resolution
Dependencies Resolved
=============================================================================================================================================================================================
 Package                                Arch                                     Version                                        Repository                                              Size
=============================================================================================================================================================================================
Installing:
 aide                                   x86_64                                   0.14-3.el6                                     rhel-x86_64-server-6                                   123 k
Transaction Summary
=============================================================================================================================================================================================
Install       1 Package(s)
Total download size: 123 k
Installed size: 0
Is this ok [y/N]:
Downloading Packages:
aide-0.14-3.el6.x86_64.rpm                                                                                                                                            | 123 kB     00:00
Running rpm_check_debug
Running Transaction Test
Transaction Test Succeeded
Running Transaction
Warning: RPMDB altered outside of yum.
  Installing : aide-0.14-3.el6.x86_64                                                                                                                                                    1/1
Installed:
  aide.x86_64 0:0.14-3.el6

How do I fix this problem?

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How do I install whois client to see whois information about domain and ip address using command line options under Fedora / RHEL / Redhat / CentOS / Scientific Linux?

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