Commands by dakira

Commands by dakira (5)

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Download all files from podcast RSS feed

Neither of the others worked for me. This does.
This is sample output - yours may be different.
1

curl http://url/rss | grep -o '<enclosure url="[^"]*' | grep -o '[^"]*$' | xargs wget -c

dakira · 2016-05-29 12:07:21 0
Show UDID of iPhone

Display the serial of the iPhone (aka UDID). Show Sample Output
This is sample output - yours may be different.
```
<40  HEX-chars>
```
3

lsusb -s :`lsusb | grep iPhone | cut -d ' ' -f 4 | sed 's/://'` -v | grep iSerial | awk '{print $3}'

dakira · 2011-11-03 20:39:43 4
Remove old kernels and header data in Ubuntu/Debian

Removes all kernels and corresponding packages except of the one you're currently using.
This is sample output - yours may be different.
0

sudo apt-get -y purge $(dpkg --get-selections | awk '((/^linux-/) && (/[0-9]\./) && (!/'"`uname -r | sed "s/-generic//g"`"'/)) {print $1}')

dakira · 2011-08-04 14:02:02 1
Find all files <10MB and sum up their size

files
This is sample output - yours may be different.
0

i=0; for f in $(find ./ -size -10M -exec stat -c %s {} \; ); do i=$(($i + $f)); done; echo $i

dakira · 2010-01-08 15:47:35 0
convert uppercase files to lowercase files
This is sample output - yours may be different.
20

rename 'y/A-Z/a-z/' *

dakira · 2009-02-22 20:42:10 7

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UPS Tracking Script

shows history of logins on the server

outputs a history of logins on the server (top 10, when piped to 'head'); optional flags: '-a' put the hostname at the end of the line (good for long hostnames), '-i' post the IP instead of the hostname, '-F' put the full login and logout times, rather than short times.

Diff remote webpages using wget

Run a command as root, with a delay

$ sleep 1h ; sudo command or $ sudo sleep 1h ; sudo command won't work, because by the time the delay is up, sudo will want your password again.

Docker: Remove all exited docker container

Add all files not under subversion control

Detect illegal access to kernel space, potentially useful for Meltdown detection

Based on capsule8 agent examples, not rigorously tested

return external ip

curl inet-ip.info -> 113.33.232.62\n curl inet-ip.info/ip -> 113.33.232.62 curl inet-ip.info/json -> JSON print curl inet-ip.info/json/indent -> JSON pretty print curl inet-ip.info/yaml -> YAML format curl inet-ip.info/toml -> TOML format http://inet-ip.info

search for a file in PATH

Compare directories via diff

http://hints.macworld.com/article.php?story=20070408062023352

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