Now my Blog, David Yin Blog is https encrypted . And it is also HSTS enabled. And latest, it is HSTS preload enabled. It has three layers meaning. https support. HSTS enabled. HSTS preload enabled. Let me explain them one by one. First, add https support. I did this step on Feb. 2016, when I
Here is a notes for Email Server Settings. It is not just for Email server. It is mainly for DNS setting for Email server. The purpose of it is to prevent from your outgoing email into spam box. I have a web page, which use PHPMailer to send email. The problem of it is most
I know how to remove old Kernels on Ubuntu. But, I don’t know how to do it on CentOS. After googling, I found answer. Go through and see how many kernels here. Three kernels in machine. Delete, remove old kernels.
This how-to is made on Centos6.7 64bit. It is a phpBB forum in Chinese with more than 680K posts. If I use phpBB native Fulltext or MySQL Fulltext search, the search tables are over 1.4GB. Too big. And it is very slow when do the search. Now, my solution is use Sphinx Search Engine. Step
It is a error when I tried to connect an FTP server by LFTP tool. I did a search on Google and find the answer. There is self signed certificates which is used by TLS on a ftp connection. It is not trused and error comes. Of course, the connection is closed on error, and
I have tried some tools to diagnose my SSL certificate installation. Some related to correct certificate, and more on certificate chain issues. SSL Certificates are trusted from its parent, or issued by its high lever certificate. It looks like a chain, one connect to other one and gos to the CA root. Say, I have
Here is the guide to show you how to install the Comodo SSL certificate in Nginx. Order Comodo Certificate. And received the Certificate files. I don’t discuss how to get it, where to get it. It is another topic. You will receive following files. Positive SSL certificate, it is a zip file emailed to you.
There are some popular desktops in Linux Environments. KDE – a Graphical desktop that is similar to the Microsoft Windows Xfc – a lightweight but fully functional graphical desktop Gnome – a historically popular desktop that is the default desktop on many linux distributions LXDE – a lightweight yet powerful graphical desktop that is specifically
Yes, it is the Raspberry Pi I mentioned yesterday. I let it on more than eight hours, then I start to run the UnixBench test. Look at the result: I will repeat the test after a reboot. see if it is a little bit different.