Change file and print changed lines with sed

change file and print changed lines with sed

sed -i 's/8.8.8.8/8.8.4.4/ w/dev/stdout' /etc/resolv.conf
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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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