Print specific line with awk


print first line with awk
ping -c 1 8.8.8.8 | awk 'NR==1'

print last line with awk
ping -c 1 8.8.8.8 | awk 'END { print }'

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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