I was benchmarking a web app using Siege, When I increased the concurrency to 300 RPS Siege started throwing an error. [error] socket: -1331792128 address is unavailable.: Cannot assign requested address [error] socket: -1306614016 address is unavailable.: Cannot assign requested Read more…
Storcli is a command line utility to manage MegaRAID Controllers, You can also check Disk Serial number, Model, Disk Size and Raid Mode/Type with this utility. Download and Install Storcli Download Link: This zip contains Storcli for Redhat, Centos, and Read more…
By default centos 6.x comes with Python 2.6 as default, Since python 2.6 is used internally by the os you cant replace it with python 2.7. In this tutorial, I will show you how to install python 2.7 and pip Read more…
Recently I have got an error message when I tried to update rvm in an old ubuntu 12.04 server, rvm curl: (35) error:1407742E:SSL routines:SSL23_GET_SERVER_HELLO:tlsv1 alert protocol version OpenSSL: error:1407742E:SSL routines:SSL23_GET_SERVER_HELLO:tlsv1 alert protocol version the After some digging on google, I Read more…
In this tutorial, I will show you how to install Ruby using RVM on RHEL 7 (Red Hat Enterprise Linux) or Centos 7 server. Steps are same for RHEL 7 and centos7. Install dependencies yum install -y curl gpg gcc Read more…
The recent version of Skype for Linux has improved a lot, Microsoft even added the features like screen sharing, chatbots and group chat to the Linux version of Skype. In this tutorial, you will learn how to install the latest version of Skype on debian Read more…
In this tutorial, I will show you how to set up a superfast and high-performance WordPress blog with php 7.2 and nginx microcaching on ubuntu 16.04 / Debian 9 server. What is Nginx Microcaching? Microcaching is a method of caching dynamic content for Read more…
If you are facing 404 error in nginx when accessing Yoast SEO sitemap in your wordpress blog eg: https://example.com/sitemap_index.xml Then Add below lines to the top of your sites-enabled config file (inside server block), Otherwise, these rule may conflict with other Read more…
Recently I got below mentioned sendmail error in syslog when I was trying to create a user in a python web application. relay=localhost [127.0.0.1], reject=553 5.5.4 <app@gmail.com>… Domain name required for sender address “myapp” or below error if you are Read more…
In this tutorial I will show you how to batch resize and compress images in ubuntu or in any other linux distros(debian,arch and fedora). ‘Convert’ command is a very powerful image manipulation utility which comes preinstalled in almost all linux Read more…