Linux Tips and Tricks
This post is to summarize some interesting but special usage which is out of normal linux commands. For basic Linux…
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…
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…
Using X2Go to Remote Desktop Into Linux Server
X2Go is an open-source remote desktop software for Linux distributions. It provides a secure, smooth and speedy connection even with…
Install MySQL 8 on Linux and Create a New DB & Populate DB with Sensitive Records
This post is to summarize the steps to install MySQL DB on CentOS/Ubuntu and illustrate how to generate the db…
Install / Configure Xfce and VNC Server on CentOS7
xRDP protocol is a bit slow to connect based on my previous testing. This time, I am trying to use…
Enable Linux Password Authentication on Cloud VPS
Most Cloud Providers do not allow you to log in directly using Password. It will ask you to use public/private…
Install and Configure ngx_lua_waf Based on Nginx+Lua ( OpenResty)
Ngx_lua_waf is a web application firewall based on lua-nginx-module. Prevent SQL injection, local inclusion, partial overflow, fuzzing, xss, SSRF and…
Set Up Let’s Encrypt Certs with Nginx Server Using CertBot
Certbot website has explained very well all steps for most of linux OS and situation. You wont get wrong as…
Change Linux SSH Port from 22 to 2222
The default SSH port on all Operating Systems is port 22. For security measures, it is recommended to use other…
CentOS Change Kernel
Download replacement kernel The CentOS6 kernel is replaced with: 2.6.32-504.3.3.el6.x86_64
