CentOS7 change interface name

August 14th, 2014 No comments

In CentOS7 or RedHat7 again we have funky strange network interfaces names…

To change the name back to eth0 just follow:
1. Rename the device name
vi /etc/sysconfig/network-scripts/ifcfg-ens**
2. Rename the file
mv /etc/sysconfig/network-scripts/ifcfg-ens192 /etc/sysconfig/network-scripts/ifcfg-eth0

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Categories: HowTo, Linux Tags: , , ,

Sencha Javascript Ext JS Example

July 26th, 2014 No comments

Javascript CREATING OBJECTS AND METHODS

July 26th, 2014 No comments

JAVASCRIPT CREATING OBJECTS AND METHODS
########################################
1)Scope and Hoisting
Scope = a variable visibility
- globoal scope, out of a function
- function scope, inside a function
Does not support block scope (inside if/else for example)
Hoisting : When a var is declared in a block it is elevated to function scope

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Categories: HowTo, Javascript Tags: , ,

Benchmark a SSD

July 8th, 2014 No comments

I used the sysbench tool, more info at
sysbench –test=fileio –file-total-size=1G prepare
sysbench –test=fileio –file-total-size=1G –file-test-mode=rndrw –max-time=300 –max-requests=0 run
sysbench –test=fileio –file-total-size=1G cleanup

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Categories: HowTo, Linux Tags:

The APR based Apache Tomcat Native library which allows optimal performance in production environments was not found

July 3rd, 2014 No comments

ERROR:
The APR based Apache Tomcat Native library which allows optimal performance in production environments was not found

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Categories: HowTo, Linux Tags: , , ,

Linux how to change interface name

May 14th, 2014 No comments

When cloning vm’s inside a ESX I always get a eth1 instead of eth0.
So here is what I do to fix that.

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Categories: Linux Tags:

CES 3.0

April 7th, 2014 1 comment

Testing Centreon Enterprise Server 3.0

Basic howto:

http://documentation.centreon.com/docs/ces-documentation/en/latest/installation/getting_started.html

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Categories: Uncategorized Tags:

Brasil centron event

April 7th, 2014 1 comment

I had the chance to go to a Centreon meeting organized by Komputer in Sao Paulo on Friday 5th of April 2014.
It was great to met the creator of Centreon Romain Le Merlus and listen and learn to current centreon news.
I hope they can estabilish some users in Brasil and visit more often.

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Categories: News Tags: ,

check_varnish_uptime

March 25th, 2014 No comments

Simple script to check if the varnish daemon has been restarted latelly

Here is the code:

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check links

March 25th, 2014 No comments

This code has not been tested in the last 2 years…

Here is the code:

#!/usr/bin/perl

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Categories: Uncategorized Tags: