NDO Utilities:-
The NDO utilities add-on, written by Nagios developer Ethan Galstad, is designed to output events and data from Nagios to standard files or to a Unix socket. It also comes with a module called NDO2DB that allows Nagios data to be written to a MySQL or PostgreSQL database The add-on is made up of [...]
We can remove the duplicate entry error on slave by running below command on slave. If we will not removed the Duplicate errors from the slave, replication will be stopped.
stop slave;
SET GLOBAL SQL_SLAVE_SKIP_COUNTER = 1;
start slave;
show slave status\G;
Thanks
Manoj Chauhan
I have Nagios 3.x running perfactly, I want to load all alerts data to Mysql for future reference so we can create reports accordingly.
I have installed NDOUtils but after instalation I am getting the following error in the /var/log/messages
nagios: ndomod: Still unable to connect to data sink. 14613 items lost, 5000 queued items to flush.
I [...]
Performance Tuning (IIS 6.0)
Web server administrators often monitor their Web servers to create a performance baseline. A performance baseline is a collection of data that indicates how the servers are performing when everything is running smoothly. Before making changes to their servers in a production environment (for example,. rolling out a new version of a [...]
Situation:
We want to separate core mail from “higher-risk” mail (i.e. mail sent from application servers in a DMZ) on our sendmail servers. In the event that one of our DMZ servers for which we relay mail is compromised, we do not want our mail server placed on a DNS blacklist. Therefore, we will have separate [...]
Sendmail will use by default a single mail queue. This is what most users will need, and if you don’t have any special requirement you will not care about this. Still for high traffic mail servers it might be useful to split the queue over several directories, as thousands of files in a single directory [...]
Problem
Linux uses Red Hats java package instead of the Sun jdk.
Reason
The java interpreter from the standard Red Hat installation is placed in /usr/bin, which is in the path where Linux search for executables. This will be used be default if you don’t specify otherwise.
To find the java classes, you also have to set the java [...]
vi /etc/aliases
#Add following line in the aliases file
manoj:manoj.chauhan@onaxer.com,mchauhan@domain.com
after that run newaliases command in the shell, it will build the entry with aliases.db database.
Now you are able to send the mail to manoj group.
Thanks
Manoj Chauhan
Introduction:-
Memory is one of the most critical resource components on a server to ensure that the smooth and fast operation. Thus, the availability of adequate and abundant physical memory size is vital especially for any server, especially high load web host that are also running database server such as Oracle or MySQL, which is famous [...]
Introduction:-
VMware virtualization software is an excllent choice for x86-compatible computers. They have both commercial and free version. I received few email regarding VMWARE on 64 bit Linux. Installing VMWARE server on CentOS 5 or Red hat enterprise Linux 64 bit version is a tricky business. In this small howto I will explain vmware installation on [...]
