Audible ping

using ping

ping -a -c 1 8.8.8.8
or 
while sleep 3;do ping -a -c 1 8.8.8.8; done

using beep
while sleep 3;do ping -c 1 8.8.8.8 && beep; done
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NGINX - To allow a specific User-Agent from one IP address only

Step 1: Define the Map BlocksAdd this configuration inside the http {} block of your /etc/nginx/nginx.conf file. This logic evaluates the in...

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