LinuxCategory

Date Posted: 28-03-2017 In this post, we gonna explain difference between Redhat 6 vs Redhat 7 distribution Commands, files,etc., These are basic commands which we may use in our day today activities on redhat 6 distribution. List All Services: Redhat 6: chkconfig –list ls /etc/init.d Redhat 7: systemctl -at service… Continue Reading Redhat 6 vs Redhat 7 distribution Commands

Date Posted:24/03/2017 By default, webserver version, OS information will be visible to public which consider as a security problem because its not a good practice to expose server information. This may result in hackers to intrude your server incase if any vulnerability. So, its always good to hide all server… Continue Reading Hide Webserver information|Modify Server Header on Nginx

Date Posted:21-03-2017 Normally, we requires multiple domain names or wildcard domain name (*) or  www  points to same directory. In apache, we use ServerAlias to achieve the same. In this post, we will explain on how to add Serveralias on Nginx webserver. If nginx is not installed, please follow the… Continue Reading Setup ServerAlias on Ngnix Webserver(Alias domain name )

Date Posted: EFS is a aws service which is similar to NFS service where we can add a single disk across multiple servers. The advantage of using EFS is we dont have to worry about data storage. Limitation: EFS has a limited to few regions as of now and it… Continue Reading Working with EFS (Elastic File System)

Date Posted:13-03-2017 Ajenti is a open source control panel which works with java. The beauty of the control panel is it will auto discover the application and display it on the control panel. It also has option to install services in it. Assumption: Ubuntu Host. In this post, we use… Continue Reading Install Ajenti Control Panel

Date Posted:11-03-2017 In this post, we deals with how to redirect all non www request to www request. If nginx is not installed, follow the posts. Ubuntu 16.04 Centos 7 Implementation: If you followed the above posts, the default location of nginx configuration is /etc/nginx/sites-enabled/default. Open nginx configuration and add the… Continue Reading Redirect non www request to www nginx

Date Posted: 28-02-2017 NFS(Network File system) used to mount remote files to the server. In this post, we will cover up on how to setup NFS server and mount the NFS directory to the client server. Assumption: 1.  Ubuntu Server. One server is Ubuntu Server used for NFS server and… Continue Reading Setup NFS server and configure NFS mount point on Ubuntu

Date Posted:25-02-2017 Assumption: Ubuntu Server Any custom Service. In our example, we will forward the port 8080 request to other server. We are gonna explain on how to install haproxy on Ubuntu server. Additionally, we will show up on how to configure service which forwards a requests from haproxy to… Continue Reading Install haproxy and configure haproxy

Date Posted:22-02-2017 Its a biggest challenge for a new mail server to reach popular mail provider user’s inbox. One of the best way is to sign the outgoing mail server using dkim. There are multiple ways to implement dkim signing. We are going to use opendkim as a service to… Continue Reading Dkim Setup on Postfix Mailserver – Centos 6/7

Date Posted:12-02-2017 Redis is a in memory cache used as database cache, database to serve the page faster. We are not going to deal with how the application works, usage,etc., Refer redis official documentation to get to know the use case,etc., Prerequisites: Ubuntu 16 Nginx webserver Php If webserver or… Continue Reading Enable redis module on php – nginx webserver