tomasinouk

Some examples of SNAT, DNAT with iptables with comments

mainly used in start-up script

How to test 'safely'

When we play with iptables aka firewall we might end up in situation, where we execute rule, which has unforseen impact - lock yourself out. Recovering from this situation is necessity.

How to:

• Enable reboot via SMS.
• Test all commands in shell first before putting them into Start-up script. This way the command will be wiped out, when unit is rebooted.

masquarade all outgoing packets to be WLAN0 IP

AbdullahGhani1

CRON job

The Nautilus system admins team has prepared scripts to automate several day-to-day tasks. They want them to be deployed on all app servers in Stratos DC on a set schedule. Before that they need to test similar functionality with a sample cron job. Therefore, perform the steps below:

1. Install cronie package on all Nautilus app servers and start crond service.

1. Add a cron */5 * * * * echo hello > /tmp/cron_text for root user.

Click on ✔ and Do The Task Again

Solution:

Open Three Terminal and ssh on all App server

on Terminal One

ssh tony@stapp01

dummy-andra

h2. Summary
 
*As* a VSHN customer user
*I want* to search and visualise my logs
*So that* I can check my application health and be aided with debugging it.-
 
h2. Context
 
APPUiO Public has 2.4TB Log Volumes for ~10 days retention.