Containerized WordPress, Migration, and SSL

Summary The world witnessed the popularity of containerized applications. Docker provides good isolation and is of good portability. It also could be the basic item in a distributed system. In this post, I introduced how to create a WordPress site in docker; how to migration WordPress; how to make the site secure via SSL; how…

Install SSL Certificate and Change To HTTPS

Summary In this post, I will introduce how to install the SSL certificate for WordPress. Conclusion I did some research and tried different methods. Now I will provide the simplest ways. Apply for an SSL certificate; Download the certificate and sent it to the server; Do the following command: sudo yum install mod_ssl; Add a…

Update PHP for WordPress on CentOS

Summary In this post, I will introduce how to update PHP for WordPress. Conclusion As usual, I present the following snippets first. sudo yum remove php-common mod_php php-cli sudo yum install epel-release sudo yum install http://rpms.remirepo.net/enterprise/remi-release-7.rpm sudo yum install yum-utils sudo yum-config-manager –enable remi-php72 sudo yum install php php-mysql –y sudo systemctl restart httpd Details…

Remote Desktop Application

Summary In this post, I will introduce a solution for remote desktop control. It is totally free and has great performance. Note: It seems Google Chrome Remote Desktop does not support gdm. But I am quite sure it works if you use lightdm which is also the default display manager in Ubuntu. Conclusion As usual,…

SZ and RZ on MAC OS

Summary In this post, I will introduce how to send files from a server to a local machine. Details 1. Use SCP SCP is a well-known command. scp a.zip nanzhou@mydestop.com: 2. Use Iterm and SZ&RZ Install Iterm Iterm with tmux helps me a lot. Install lrzsz in the server and the desktop. sudo brew install…

Ping a Specific Port of a Host

Summary In this post, I will introduce how to “ping” a specific port in a host. Details Usually to test the connectivity, we will use the command ping. However, ping will typically send ICMP ECHO_REQUEST packets to network hosts. In ICMP, there are no ports. But in many cases (especially when we have a server…