For net/http library in Golang for logs or ACL or something else need to get real user IP, especially in variant when golang server behind reverse proxy.
In this case need to configure reverse proxy for pass all needed headers.
Kubernetes – Run cron job manually
If need to run Kubernetes CronJob manually from test purposes or etc, use:
How to get date in UNIX timestamp in BASH
As a part of the bash script for automation sometimes need to get a date in UNIX timestamp format. For this can be used command date.
How to install htpasswd utility in Linux
Some of services still using basic auth. For generate credentials for webserver (apache/nginx) need to use special utility – htpasswd
How to temporary disable HSTS in Chrome browser
Sometimes need to disable hsts when certificate expired.
It’s not secure and strongly not recommend! Only for development purposes!