Updated : Nov 20, 2017 in Linux

Some Zabbix tools

Introduction: In order to debug some Zabbix problems here are some tools I gathered to help. Requirements: Installation of the package zabbix-get in the monitoring…

Updated : Aug 29, 2017 in Linux

Installing Filebeat, Logstash, ElasticSearch and Kibana in Ubuntu 14.04

PREPARATIONS #Ref: https://www.elastic.co/guide/en/logstash/current/installing-logstash.html First install Java 8 in Ubuntu 14.04 # Ref: https://www.liquidweb.com/kb/how-to-install-oracle-java-8-on-ubuntu-14-04-lts/ apt-get install python-software-properties software-properties-common apt-add-repository ppa:webupd8team/java apt-get update apt-get install oracle-java8-installer java…

Updated : Oct 30, 2016 in Linux

Monitoring Linux server with iPhone/iPad

Introduction: Although Apple doesn't have too many apps that support Linux admins, here is one that just came back on the market with a rebound…

Updated : Apr 15, 2016 in Linux

Installing Webmin in Debian 8(Jessie)

These instructions are a 'Plagiat' of the site: http://www.christophe-casalegno.com/2015/07/14/how-to-install-webmin-on-debian-8/ To install webmin on Debian 8 just follow this instructions : cd /root wget http://www.webmin.com/jcameron-key.asc apt-key…

Updated : Feb 13, 2016 in Bash

Verifying the validity of an NFS mount

Introduction: Every now and then if an NFS mount is no more connected to the server or something goes wrong with the NFS connection, running…

Updated : Jan 18, 2016 in GlusterFS

Reporting SMART status of RAID disks

Reference site: http://www.cyberciti.biz/faq/linux-checking-sas-sata-disks-behind-adaptec-raid-controllers/ Note: Although Hardware RAID controllers made by other hardware manufacturers here I use Adaptec as an example: Install the software: apt- get…

Updated : Jan 14, 2016 in Bash

Preventing a bash script from running concurrently

Introduction: In order to prevent a bash script instance from running more than once concurrently, here is a small tip on how to write the…

Updated : Jun 16, 2015 in Linux

Install TeamViewer in Debian Wheezy

Teamviewer is a very good and stable remote desktop with many clients software form almost any platform. Here I explain how I got TeamViewer to…

Updated : May 04, 2015 in Apache

Using CURL for sending crafted HTTP POST authenticated queries

CHALLENGE: I came across a situation where I needed to send an HTTP request using the POST method with some POST data but after I…

Updated : Mar 31, 2015 in Apache

Monitoring latency time of http requests

Here is a simple but useful command which shows the latency time of http requests. You can adjust the delay between repeats as well as…