Configure IPV6 on Apple and Windows

Do you have IPV6 network ready in your office? Lets configure IPV6 on your machine running on either Windows/Mac. We have IPV6 network running on our office network, running dual stack with IPV4, not running fully on IPV6 DNS at…

Symfony, Unable to get sequence id with PostgreSQL Database

When doing Symfony development, I usually build the database schema manually through phpPgAdmin or writing my own schema file. I like propel-generate-crud in symfony, which can generate the admin form on the fly. Previously I was having problem with PostgreSQL…

umask? What? What is umask command use for in linux/unix system? umask is uses to set the default file or directory permission when a user create a new file or directory. By default, when a user created new file/directory,

Configure Your Own screenrc file

There are few shell scripts I need to run when I log on to my server. One of my favorite is to use screen to launch the scripts when I log on to the server or using screen to access…

Check DNS Record with Dig Command How do you find out a domain name A record, CName Record, MX record via command line? How to find out a domain name Time To Live and calculate when will the next refresh…