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 7
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 4
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 2
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 2
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 3
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 2
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 6
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 3
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 5
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 11
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 4
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 4
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 7
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 2

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SMS reminder

Send an e-mail to SMS reminder in 15 minutes from now, to call my wife. See list of carriers bellow Carrier Email to SMS Gateway Alltel [10-digit phone number]@message.alltel.com AT&T (formerly Cingular) [10-digit phone number]@txt.att.net [10-digit phone number]@mms.att.net (MMS) [10-digit phone number]@cingularme.com Boost Mobile [10-digit phone number]@myboostmobile.com Nextel (now Sprint Nextel) [10-digit telephone number]@messaging.nextel.com Sprint PCS (now Sprint Nextel) [10-digit phone number]@messaging.sprintpcs.com [10-digit phone number]@pm.sprint.com (MMS) T-Mobile [10-digit phone number]@tmomail.net US Cellular [10-digit phone number]email.uscc.net (SMS) [10-digit phone number]@mms.uscc.net (MMS) Verizon [10-digit phone number]@vtext.com [10-digit phone number]@vzwpix.com (MMS) Virgin Mobile USA [10-digit phone number]@vmobl.com

Show numerical values for each of the 256 colors in bash

I like the other three versions but one uses nested loops and another prints every color on a separate line. Both versions fail to reset colors before giving the prompt back. This version uses the column command to print a table so all the colors fit on one screen. It also resets colors back to normal before as a last step.

interactive rss-based colorful commandline-fu reader perl oneliner (v0.1)

required packages: curl, xml2, html2text command is truncated, see 'sample output'

Makes a Zenity select list based on entries in your wpa_supplicant.conf

If you still connect to your wireless access point manually and need to use wpa_supplicant, the above fu will grep all of the known SSID from your wpa_supplicant.conf file, present it in a Zenity list and return the SSID name you choose. I've wrapped this command in to a bash script that then up's the interface, associates and autenticates. Saves me from using NetworkManager ;)

Put public IP address in a variable

Mount important virtual system directories under chroot'ed directory

The command is useful when, e.g., booting an existing system with a rescue or installation CD where you need to chroot into the hard-disk and be able to do stuff which accesses kernel info (e.g. when installing Ubuntu desktop with LVM2 you need to mount and chroot the hard disk from a shell window in order to install packages and run initramfs inside chroot). The command assumes that /mnt/xxx is where the chroot'ed environment's root file system on the hard disk is mounted.

Calculate days on which Friday the 13th occurs (inspired from the work of the user justsomeguy)

Friday is the 5th day of the week, monday is the 1st. Output may be affected by locale.

Scan your LAN for unauthorized IPs

populate the auth.hosts file with a list of IP addresses that are authorized to be in use and when you run this command it will return the addresses that are pingable and not in the authorized list. Can be combined with the "Command line Twitter" command to tweet unauthorized access.

The Chromium OS rootfs is mounted read-only. In developer mode you can disable the rootfs verification, enabling it to be modified.

Restore user,group and mod of an entire website

I often use it at my work, on an ovh server with root ssh access and often have to change mod after having finished an operation. This command, replace the user, group and mod by the one required by apache to work.

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