Commands tagged 2600 (1)

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a function to find the fastest DNS server
http://public-dns.info gives a list of online dns servers. you need to change the country in url (br in this url) with your country code. this command need some time to ping all IP in list.

View facebook friend list [hidden or not hidden]
There's no need to be logged in facebook. I could do more JSON filtering but you get the idea... Replace u=4 (Mark Zuckerberg, Facebook creator) with desired uid. Hidden or not hidden... Scary, don't you?

find the difference between two nodes

Show your local ipv4 IP
To show ipv6 instead, use [[ -6 ]] instead of [[ -4 ]] $ip -o -6 a s | awk -F'[ /]+' '$2!~/lo/{print $4}' To show only the IP of a specific interface, in case you get more than one result: $ip -o -4 a s eth0 | awk -F'[ /]+' '$2!~/lo/{print $4}' $ip -o -4 a s wlan0 | awk -F'[ /]+' '$2!~/lo/{print $4}'

Do a search-and-replace in a file after making a backup

rsync with progress bar.
transfer files from localhost to a remotehost.

list files recursively by size

Quick access to ASCII code of a key

find files in a date range
Example above will recursively find files in current directory created/modified in 2010.

grep certain file types recursively


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