Commands by ncaio

Commands by ncaio (14)

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Load average + API google chart

limite = threshold Show Sample Output
This is sample output - yours may be different.
```
http://chart.apis.google.com/chart?chxr=0,0,5&chxt=y&chs=700x240&cht=gm&chds=0,5&chd=t:0.52&chl=0.52&chtt=zappa+load+average
```
7

limite="5";load5=$(awk '{print $1}' /proc/loadavg);echo "http://chart.apis.google.com/chart?chxr=0,0,5&chxt=y&chs=700x240&cht=gm&chds=0,"$limite"&chd=t:"$load5"&chl="$load5"&chtt=$(hostname)+load+average"

ncaio · 2011-04-02 17:55:24 9
Mutt - Change mail sender.
This is sample output - yours may be different.
2

export EMAIL=caiogore@domain.com && mutt -s "chave webmail" destination@domain.com < /dev/null

ncaio · 2011-03-03 18:45:05 17
Check default block size on ext2/ext3 filesystems

the result of the command helped a check the Maximum file size and Maximum file system size. EXT3 Exemple: Block size; MAX File size; Maximum file system size 1 KiB; 16 GiB ; 2 TiB 2 KiB ; 256 GiB ; 8 TiB 4 KiB ; 2 TiB ; 16 TiB 8 KiB[limits 1]; 2 TiB; 32 TiB Show Sample Output
This is sample output - yours may be different.
```
root@zappa:/tmp# tune2fs -l /dev/sda6 | grep -w ^"Block size:"
Block size:               4096
```
-1

tune2fs -l /dev/XXXX | grep -w ^"Block size:"

ncaio · 2011-02-10 16:39:14 4
left-right mouse buttons (left-handed)
This is sample output - yours may be different.
3

xmodmap -e "pointer = 3 2 1"

ncaio · 2011-02-09 16:20:19 4
create shortcut keys in bash
This is sample output - yours may be different.
8

bind -x '"\C-p"':pwd

ncaio · 2011-02-02 18:14:58 7
Remote mysql dump all databases with ssh
This is sample output - yours may be different.
1

mysqldump -u user -p --all-databases | ssh user@host dd of=/opt/all-databases.dump

ncaio · 2011-01-12 18:27:46 4
remote diff with side-by-side ordering.

more information: man sdiff
This is sample output - yours may be different.
4

ssh $HOST -l$USER cat /REMOTE/FILE | sdiff /LOCAL/FILE -

ncaio · 2009-06-05 18:44:00 8
Convert the output of one or more (log, source code ...) files into html,

Requires the "enscript" package. frank@zappa:~# sudo apt-get install enscript Or http://www.codento.com/people/mtr/genscript/ "use your head" Show Sample Output
This is sample output - yours may be different.
```
output left in /var/www/output.html
```
4

enscript -E --color -t "title" -w html --toc -p /PATH/to/output.html /var/log/*log

ncaio · 2009-06-04 13:36:02 5
resolve hostname to IP our vice versa with less output

inverted version: resolveip -s 216.34.181.xxx freshmeat.net Show Sample Output
This is sample output - yours may be different.
```
root@zappa:~/Music# resolveip -s www.freshmeat.net
216.34.181.xxx
```
1

resolveip -s www.freshmeat.net

ncaio · 2009-06-02 14:25:53 7
Check wireless link quality with dialog box

The variable WIRELESSINTERFACE indicates your wireless interface
This is sample output - yours may be different.
1

while [ i != 0 ]; do sleep 1 | dialog --clear --gauge "Quality: " 0 0 $(cat /proc/net/wireless | grep $WIRELESSINTERFACE | awk '{print $3}' | tr -d "."); done

ncaio · 2009-05-31 16:09:23 12
Get pages number of the pdf file
This is sample output - yours may be different.
7

pdfinfo Virtualization_A_Beginner_Guide.pdf | awk /Pages/

ncaio · 2009-05-31 15:45:38 7
Alternative way to get the root directory size in megabytes
This is sample output - yours may be different.
-1

expr $(fdisk -s ` grep ' / ' /etc/mtab |cut -d " " -f1`) / 1024

ncaio · 2009-05-21 17:25:38 6
get a process list by listen port
This is sample output - yours may be different.
2

netstat -ntlp | grep -w 80 | awk '{print $7}' | cut -d/ -f1

ncaio · 2009-05-20 20:29:56 9
find string into one pdf file
This is sample output - yours may be different.
2

find / -iname '*.pdf' -print -exec pdftotext '{}' - \; | grep --color -i "unix"

ncaio · 2009-05-20 20:23:34 4

What's this?

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Read random news on the internet

sort -R randomize the list. head -n1 takes the first.

Convert CSV to JSON

Replace 'csv_file.csv' with your filename.

Let keyboard LED blink

list block devices

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

Prepend a text to a file.

Using the sed -i (inline), you can replace the beginning of the first line of a file without redirecting the output to a temporary location.

Exclude inserting a table from a sql import

Starting with a large MySQL dump file (*.sql) remove any lines that have inserts for the specified table. Sometimes one or two tables are very large and uneeded, eg. log tables. To exclude multiple tables you can get fancy with sed, or just run the command again on subsequently generated files.

Stream audio over ssh ogg version

Stream OGG vorbis over ssh.

Print the current time on the whole screen, updated every second

http://www.joachim-breitner.de/projects#screen-message now also supports reading stdin continuously to update what it shows, different ?slides? separated by a form feed character. Here, we feed the current time into it each second to create a large clock.

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 out my Linux distribution name and version

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