Commands by praton

Commands by praton (4)

sorted by

Print hugepage consumption of each process

The sample output is from an Android Device Show Sample Output
This is sample output - yours may be different.
```
/vendor/bin/hw/qcrild-c2 smaps:AnonHugePages:      2048 kB

/vendor/bin/imsdatadaemon smaps:AnonHugePages:      4096 kB

/vendor/bin/imsdatadaemon smaps:AnonHugePages:      2048 kB
```
0

grep -e AnonHugePages /proc/*/smaps | awk '{ if($2>4) print $0} ' | awk -F "/" '{system("cat /proc/" $3 "/cmdline");printf("\n");print $0; printf("\n");}'

praton · 2020-01-14 07:50:44 245
Make a dedicated folder for each zip file

{f%*.zip} strips off the extension from zip filenames
This is sample output - yours may be different.
3

for f in *.zip; do unzip -d "${f%*.zip}" "$f"; done

praton · 2019-02-20 18:12:06 41
Project your desktop using xrandr

HDMI-1 is the interface in the example, which can be obtained just by typing xrandr and surfing through the output. There are a hell lot of configurations that can be done but I prefer auto because it works in most cases. Lifesaver Show Sample Output
This is sample output - yours may be different.
```
xrandr --output HDMI-1 --auto
```
1

xrandr --output < interface-name > --auto

praton · 2018-08-23 17:51:20 431
Clean up the garbage an accidental unzipping makes

List out all the names from the zip file and pass it to xargs utility to delete each one of them
This is sample output - yours may be different.
5

unzip -Z -1 <filename.zip> | xargs -I{} rm -v {}

praton · 2018-08-19 20:49:25 397

What's this?

commandlinefu.com is the place to record those command-line gems that you return to again and again. That way others can gain from your CLI wisdom and you from theirs too. All commands can be commented on, discussed and voted up or down.

Share Your Commands

Check These Out

floating point operations in shell scripts

using bc is for sissies. dc is much better :-D Polish notation will rule the world...

Search some text from all files inside a directory

check open ports (both ipv4 and ipv6)

List your installed Firefox extensions

Decrypt passwords from Google Chrome and Chromium.

Read this before you down voting and comment that it is not working -> Wont work on latest versions ~75> since database file is locked and has to be decrypted. This is useful if you have an old hdd with a chrome installation and want to decrypt your old passwords fast.

Share a file quickly using a python web server

Raise your hand if you haven't used this at least once to share a directory quickly

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"

Find broken symlinks

To understand why this is the equivalent of "find -L /path/to/search -type l, see http://ynform.org/w/Pub/FindBrokenSymbolicLinks or look at http://www.gnu.org/software/findutils/manual/html_mono/find.html

tar+pbzip2 a dir

read squid logs with human-readable timestamp

Stay in the loop…

Follow the Tweets.

Every new command is wrapped in a tweet and posted to Twitter. Following the stream is a great way of staying abreast of the latest commands. For the more discerning, there are Twitter accounts for commands that get a minimum of 3 and 10 votes - that way only the great commands get tweeted.

» http://twitter.com/commandlinefu
» http://twitter.com/commandlinefu3
» http://twitter.com/commandlinefu10

Subscribe to the feeds.

Use your favourite RSS aggregator to stay in touch with the latest commands. There are feeds mirroring the 3 Twitter streams as well as for virtually every other subset (users, tags, functions,…):

Subscribe to the feed for:

» all commands
» commands with 3 up-votes (commandlinefu3)
» commands with 10 up-votes (commandlinefu10)
» commands by praton