Blog Archives

Migrate WordPress website from CentOS 6 to CentOS 7

The migration arises from the need for php 7 support. I must admit I’ve been successfully fooled by the versioning of php and CentOS. My old system is CentOS6 where only php5 is supported. I mean you cannot use “yum

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Shopping mall wordpress themes

A few professionally looking shopping mall themes with good navigation design: WP glory WP General Mart Oswad  Love Fashion PrestaShop GoMarket

Posted in Webmaster Tools

register cctld domain

Although there are tons of registrars for you to register a gtld domain(.com, .net, .org, etc.), there are few companies for you to register a cctld domain at reasonable price. If you want to expand your market in specific countries,

Posted in Domain

How to create symbolic link in Linux?

Although the command to create a symbolic link in Linux is very simple, I never remember it. Every time I need to create a soft(symbolic) link in CentOS, I have to search google for the answer. In fact, the linux

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How to make a movie using OBS studio?

On youtube, you can see numerous splendid movies. You may never dare to think you can create a movie yourself, as well. After all, making a movie seems a very complicated task. You may hear of expensive software/tools to create

Posted in SEO Tools

how to setup a website on firebaseapp?

I want to share some pdf files on a free website. I do not want to buy a domain name. I do not want to buy a hosting space. I want to use a free space. I do not want

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How to recover WinSCP stored password?

When setting up a new site in WinSCP, you have the option to save your password so you won’t be prompted to input  a password to login the site. This is convenient in most cases except you want to retrieve

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What is the outlook smtp server?

As an outlook user, you have a outlook mailbox. When you configure your email client such as outlook, outlook express,etc., you will be asked to input a SMTP server. You should input, port 587 here. This is the smtp

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How to use openssl to send email via SMTP server that supports starttls?

If you’ve read my article on how to use openssl to send emails, you may encounter some problem when applying that method to certain kind of SMTP servers such as outlook SMTP server. openssl s_client  -connect WARNING: can’t open

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How to filter packets belong to specific ip address in WireShark?

If you ask me what part of wireshark is the most difficult to learn, I would say it is the filter. Do you know how to filter packets belong to specific ip address? ip=xx.xx.xx.xx ipaddr=xx.xx.xx.xx ipaddress=xx.xx.xx.xx ip:xx.xx.xx.xx ipaddr:xx.xx.xx.xx ipaddress:xx.xx.xx.xx ip==xx.xx.xx.xx

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