Technical tutorials, system architecture insights, performance tuning guides, and real-world debugging logs from over 22+ years building production web systems.
You may experience bad permission error and ignoring operation while running a command with AWS. It's because a AWS are concern about your security and make sure the certificate are only accessible b...
A common mistake like launching and creating an app to different account can be happen when anyone managing multiple AWS account at a time. You can easily manage that by configuring command line inte...
GMAIL POP SMTP IMAP Host pop.gmail.com smtp.gmail.com imap.gmail.com Port 995 25 993 SSL Re...
Yesterday, I have deployed an application on Ubuntu server but the javascript was no longer working after configuring the virtual host. I have taken following steps to find the problem:Viewed the HTML...
In my previous article, I have written about HTTP basic authentication in rails using a plain user access YML. Last few days ago, I have modified the logic to log-in using email address and password....
Sometimes, you may need to protect your staging server from outside world. It can be done easily by using http basic authentication in rails3. I did following things to use HTTP basic authentication t...
I have used following shell script to deploy one of my Ruby on Rails applications: DATES=`date +%Y%m%d%H%I%S`service apache2 stop &&mysqldump -u[user] -p[pass] [yourdbname] > "your backup directory"[...
There are some different approaches to do that. The easy way to disable a user account is to alter stored password which is stored to /etc/shadow. In that case password will be lost unless you save sa...
I am writing this one to share my experience to you. In the very beginning of my professional career, I have developed an web application for Shylhet Chamber of Commerce using LAMP and delivered it su...