Keep it Simple

Openssl added a nice alternative to the config file or extention to create requests with alternative DNS. This will create a key and certif...

Enable stats Reporting is provided if you enable stats into its config. The setting is described at https://cbonte.github.io/haproxy-dcon...

There are times when I want to see the security groups on an AWS region. Nothing special really you can always use the aws cli :) But wait...

This post shows how you can inspect docker containers traffic with tcpdump on linux. First find the docker names and the mac addresses....

How to send emails trough a smart relay that uses SASL and TLS I used: CentOS Linux release 7.3.1611 postfix-2.10.1-6.el7.x86_64...

Zabbix server under Selinux (CentOS 7) When running zabbix server under Selinux out of the box when you start systemctl st...

In case you need it ... Obtain access to the database for read/write (for mysql this is what you need) update zabbix.users set passwd=...

Netcat is a very versatile program used for network communications - the place to find it is . Often I need to test different programs wi...

Dropbox is a very popular service for file storage, the way the service works will synchronize by default all your files across your devic...

On a newer editors (compared with Vim or Emacs) is Sublime Text . Has many useful features and is quite popular these days, combined with ...

The program supervisor written in python is used to supervise long running processes. In case that a long running process will stop (crash...

Vim is cool! But sometimes can be annoying - for example you edit your file etc. and have a short snippet of code you want to insert into it...

Nose is a very useful tool for running unittest in python. These are a few tricks you can use. Bellow is my test file - I called it test.p...

This is the description of the tool from the gnu site - Parallel GNU parallel is a shell tool for executing jobs in parallel using one o...

So you just seen this when tried to profile something on debian squeeze Traceback ( most recent call last ): File "<stdin...

Running mongo db on a raid10(software raid) into ec2 is done via the ebs volumes. I'll show you how to create the raid10 on 8 ebs v...

Problem - you want to redirect all http traffic to https. The following rewrite rule will redirect any web site that you are running so i...

In order to create an ami from an EC2 running instance you will need. certificate file from your aws account credentials private key ...

In case you wonder what is the dom0 running for your instance/vps this will give you information from xenstore. Taken from a FreeBSD receipe...

In case that you are looking for more info while you are into a ec2 instance you can call from within the instance the api metadata server ...