April 2017 – nixCraft

Shell script to set up an LXD (Linux Containers) VM lab for testing purpose

in Automation & Management, Networking, Virtualization last updated November 14, 2019

A sample shell script to build an LXD (Linux Containers) VM lab on Ubuntu Linux 16.04 or 18.04 LTS server.

Shell script to mirror backups to another server in pull mode using rsync

in Automation & Management, Backup last updated April 28, 2017

A sample shell script to mirror remote server directory in pull mode for offsite backups using rsync command on Linux/Unix-like system.

Linux/Unix bash shell script to purge Cloudflare url/images from the command line

in Automation & Management, Networking, Web Server last updated April 28, 2017

Here is a simple and easy to use bash shell script to purge/delete Cloudflare url/images cache from the command line without using web interface.

Shell script to update original visitor IP for nginx when using Cloudflare

in Automation & Management, Web Server last updated April 28, 2017

Cloudflare is a CDN, DNS, WAF, DDoS protection, and reverse proxy service. You need to use the ngx_http_realip_module module to change the client address sent in the specified header field such as CF-Connecting-IP or X-Forwarded-For. This shell script downloads a list of IPv4 and IPv6 address from Cloudflare and generates an updated /etc/nginx/cloudflare.real.ip.conf file: