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
Useful Linux Network Analysis/ Monitoring/ Shell Scripts Collection
1. Speedtest Script
Change Linux CentOS Ethernet Interface Name to Default eth0
Disable Consistent Interface Device Naming To regain the ethX back, edit the grub file. vi /etc/default/grub Look for GRUB_CMDLINE_LINUX and add or…
Connect to GNOME desktop environment via XRDP on CentOS 7 & Ubuntu 18
It might not make sense to use RDP to remote linux machines. The speed and performance all are not that…
Linux CentOS/Ubuntu Firewall and SELinux
The Linux kernel includes the Netfilter subsystem, which is used to manipulate or decide the fate of network traffic headed…
Linux System Performance Analytics
This post is going to use an java code example to show the process how to analysis linux system performance…
Deploy Zabbix Agent into CentOS and Add into Zabbix Server
Zabbix Agent is required to install on all remote systems needs to be monitor through Zabbix server. The Zabbix Agent…
Quickly Deploy Zabbix in CentOS7
Zabbix is a mature and effortless enterprise-class open source monitoring solution for network monitoring and application monitoring of millions of…
Benchmark Linux Disk Read/Write Speed
hdparm is a command line utility to set and view hardware parameters of hard disk drives. It can also be…
