Commands tagged ram (15)

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List the size (in human readable form) of all sub folders from the current location

Which processes are listening on a specific port (e.g. port 80)
swap out "80" for your port of interest. Can use port number or named ports e.g. "http"

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.

display typedefs, structs, unions and functions provided by a header file
will display typedefs, structs, unions and functions declared in 'stdio.h'(checkout _IO_FILE structure). It will be helpful if we want to know what a particular header file will offer to us. Command 'cpp' is GNU's C Preprocessor.

Use result of the last command
\$ which python /usr/bin/python \$ ll `!!` lrwxrwxrwx 1 root root 9 2010-11-08 22:01 /usr/bin/python -> python2.6

Get your external IP address if your machine has a DNS entry

Mount file system using back-up superblock
Found on http://www.cyberciti.biz/faq/linux-find-alternative-superblocks/

Lists the size of certain file in every 10 seconds
watch is a command especially designed for doing this job

Generates a TV noise alike output in the terminal
Generates a TV noise alike output in the terminal. Can be combined with https://www.commandlinefu.com/commands/view/9728/make-some-powerful-pink-noise

python - covert image to base64 string for data URI use
useful if you are using lots of data URI's in your css files


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