Provide View Only Access to Nagios user Rumi, May 17, 2017May 17, 2017 Step 1: Open “cgi.cfg” of nagios etc directory ( ex: /usr/local/nagios/etc/) via editor Step 2: Add user (ex: tappware) in the followings: authorized_for_all_services=nagiosadmin,viewuser authorized_for_all_hosts=nagiosadmin,viewuser authorized_for_read_only=viewuser [Important for view only] Step 3: Restart nagios Continue Reading
Tuning Nginx for Maximum Performance Rumi, May 13, 2017May 13, 2017 Worker_processes Make sure you use the correct amount of worker_processes in your /etc/nginx/nginx.conf. This should be equal to the amount of CPU cores in the output of cat /proc/cpuinfo | grep processor root@server1:~# cat /proc/cpuinfo | grep processor processor : 0 processor : 1 processor : 2 processor : 3… Continue Reading
Telecom is at a crossroad. The telecom business is starting to fail. Rumi, May 6, 2017 Ericsson and Nokia, the number two and three suppliers, have their debt rated as junk. Verizon is selling, what should have been its future, their cloud business, to IBM. AT&T is loosing wireless subscribers every quarter. Telefonica, the innovation leader, is scaling back its IoT Smart City business. Telecom as… Continue Reading
Configure DHCP Server Step-by-Step config Guide Using Webmin Rumi, April 30, 2017April 30, 2017 Dynamic Host Configuration Protocol (DHCP) is a client/server protocol that automatically provides an Internet Protocol (IP) host with its IP address and other related configuration information such as the subnet mask and default gateway. In our previous article, you have setup your DNS Server using Webmin, refer below link for… Continue Reading
Install PSiTransfer on Debian 8 A Simple Open Source Self-hosted File Sharing Solution Rumi, April 30, 2017 PSiTransfer, which is a simple and open source file sharing utility. Using PSiTransfer, we can either share our files locally or globally. Unlike transfer.sh, it is not a website. It is actually a self-hosted file sharing platform. You can deploy it on home system to share files over local area… Continue Reading
Simple way to tune apache performance using mpm prefork module Rumi, April 19, 2017 There could be many reasons why your website performance is poor, one of them can possibly be that Apache is not coping with the load. Below you’ll find ready to consume configuration to make Apache performance better using the Apache MPM prefork module. To do this, just include the below… Continue Reading
Install And Configure Varnish Cache With Apache On Debian 7 Rumi, April 19, 2017 Varnish Cache is a web accelerator, sometimes referred to as a HTTP accelerator or a reverse HTTP proxy, that will significantly enhance your web performance. Varnish speeds up a website by storing a copy of the page served by the web server the first time a user visits that page. The… Continue Reading
List all DNS records from a Nameserver using nslookup Rumi, March 27, 2017 Method-1) How to list all records below some domain name. Usually it’s done from interactive nslookup mode, not from batch mode nslookup – your_dns_server >set q=any >ls -d domain.name listing may be prohibited by administrator or by firewall settings, in that case you get empty output or ‘not implemented’ errors…. Continue Reading
Install SVN Server on Ubuntu and Test it with Tortoise Rumi, March 27, 2017 Execute the following commands to update the Ubuntu repository list and install apache + svn. sudo apt-get update sudo apt-get install subversion apache2 libapache2-svn apache2-utils *If asked type Y (Yes). If you have trouble updating check your internet connection, proxy, try update fix-missing etc. Create your repository folder in this… Continue Reading