Using SSMTP to Send Email From Linux Command Line Through Gmail Account
Ssmtp (Simple SMTP) is a little nice tool you can use under Linux command line to send out email. SSMTP allows users to transfer emails through an SMTP server from…
Free SubDomain from PP.UA and Integration with CloudFlare
During building my lab for testing, I tried to find a free subdomain to use which also can be integrated with CloudFlare. I found this free pp.ua domain zone is…
How to Solve SSL VPN and Web Firewall Issues
VPN systems are classified as virtual private networks that do not need a physical connection, allowing users to directly connect and access the device on private networks. Security agencies such…
Use Portainer to Install Nginx Docker as Reverse Proxy and Use CertBot Deploy LetsEncrypt Certificate into Nginx
Actually, this post is to continue my previous post: Install Ubuntu Desktop Docker Using Portainer and Access it From Browser (VNC/noVNC). In that post, I deployed a Ubuntu Desktop Docker…
Windows 10 Issues and Solutions – Fix High CPU, Disable Update, etc
Met all kinds of issues while using Windows 10. Resolved them usually by googling online. List some of typical ones here: Fix High CPU Usage by Windows Software Protect Service…
IPv6-only Machine access to and from IPv4 World
IPv6 Only VPS Server is VPS Server without IPv4 address assigned. This kind of server has only IPv6 addresses assigned. To connect to this VPS you need to use pure…
Change SWAP Size to Improve Low Memory Cloud VM Performance
I am having a couple of low memory vm in the cloud to run some basic testing lab. It always gets me a notification for the performance , especially on…
Install NextCloud Docker and Integrate with Nginx and LetsEncrypt SSL Certificate
Previously, I had a couple of posts to present how to install NextCloud and how to configure it with some different storage options. This post is similar as one of…
Configure IPv6 on AWS EC2 Instance
Since Dec 1, 2016, AWS announced “EC2 instances in Amazon Virtual Private Cloud (VPC) now offer native support for the IPv6 protocol. IPv6 can be enabled for existing and new…
Oracle Cloud Platform (OCP) Tips and Tricks
Some special notes while using Oracle Cloud Platform (OCP). Enable Password Login CentOS7 Install BBR VNC Connection DD Oracle Cloud VM Common Tasks
Create a PHP static Page to Show NodeQuery Monitoring Server Status
I am using NodeQuery free service (10 nodes) to monitor my VPS servers in the cloud for quite a few time now. It is one of my favorite monitoring tools…
Create UptimeRobot Monitoring Status Page
With UptimeRobot’s free plan, you will get 50 monitors with 5 minutes monitoring interval, and 5 public status pages, weekly reports etc. It is usually enough for someone like me.…