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Commands tagged multiple instances (3)

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Show total cumulative memory usage of a process that spawns multiple instances of itself

This command will show the sum total of memory used in gigabytes by a program that spawns multiple instances of itself. Replace chrome with whatever program's memory usage you are investigating. This command is rather useless on software that only spawns a single instance of itself. Show Sample Output
This is sample output - yours may be different.
```
6.6
```
0

ps -eo pmem,comm | grep chrome | cut -d " " -f 2 | paste -sd+ | bc

Darkstar · 2014-01-03 15:33:16 12
uncompress file that is compressed multiple times

Abort/Break with CTRL-C when no output is shown anymore (break while true loop). Show Sample Output
This is sample output - yours may be different.
```
bunzip2: Can't guess original name for error.log.0.bz2.0.bz2.0 -- using error.log.0.bz2.0.bz2.0.out
bunzip2: Can't guess original name for error.log.0.bz2.0.bz2.0.out -- using error.log.0.bz2.0.bz2.0.out.out
bunzip2: Can't guess original name for error.log.0.bz2.0.bz2.0.out.out -- using error.log.0.bz2.0.bz2.0.out.out.out
```
0

while true; do for bzipfile in $(file *|egrep bzip2|awk '{print $1'}|cut -d':' -f1); do bunzip2 $bzipfile; done; done

tapestreamer · 2016-12-12 16:12:18 15
Show total cumulative memory usage of a process that spawns multiple instances of itself
This is sample output - yours may be different.
-1

CMD=chrome ; ps h -o pmem -C $CMD | awk '{sum+=$1} END {print sum}'

pdxdoughnut · 2014-01-08 23:05:09 9

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Look for English words in /dev/urandom

* to get the English dictionary: wget http://www.mavi1.org/web_security/wordlists/webster-dictionary.txt

Recursive cat - concatenate files (filtered by extension) across multiple subdirectories into one file

Useful if you have to put together multiple files into one and they are scattered across subdirectories. For example: You need to combine all .sql files into one .sql file that would be sent to DBAs as a batch script. You do get a warning if you create a file by the same extension as the ones your searching for. find . -type f -name *.sql -exec cat {} > BatchFile.txt \;

Create a DOS floppy image

mount with: mount -t msdos -o loop ./floppy.img /tmp/mnt

Find files containing string and open in vim

I often use "vim -p" to open in tabs rather than buffers.

cp the file

Copy the file with the given .extension at the source file's location. Eliminates the typing of long paths again and again.

Updating the status on identi.ca using curl.

identica is an open source social networking and micro-blogging service. Based on Laconica, a micro-blogging software package built on the OpenMicroBlogging specification. http://identi.ca/

list block devices

Shows all block devices in a tree with descruptions of what they are.

Resize an image to at least a specific resolution

This command will resize an image (keeping the aspect ratio) to a specific resolution, meaning the resulting image will never be smaller than this resolution. For example, if we have a 2048x1000 image, the output would be 1229x600, not 1024x600 or 1024x500. Same thing for the height, if the image is 2000x1200, the output would be 1024x614.

Automatically download Ubuntu 10.04 when available

Tested with 9.10 release. Choose whatever torrent client you prefer.

Quick HTML image gallery from folder contents with Perl

This includes a title attribute so you can see the file name by hovering over an image. Also will hoover up any image format - jpg, gif and png.

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Commands tagged multiple instances (3)

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