Commands by Dhinesh

Commands by Dhinesh (13)

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Get file from remote system

scp username@192.168.1.22:/directory/path . Get the file from the remote system
This is sample output - yours may be different.
0

scp username@host|ipaddress:/directory/path .

Dhinesh · 2013-10-23 12:35:18 10
List detailed information about a ZIP archive

list zipfile info in long Unix ``ls -l'' format.
This is sample output - yours may be different.
2

zipinfo -l <pathtozipfile>

Dhinesh · 2011-12-16 11:15:12 3
open ports with iptables

This command will open tcp port 3000 in your machine
This is sample output - yours may be different.
-2

sudo iptables -I INPUT -p tcp --dport 3000 -j ACCEPT

Dhinesh · 2011-12-16 10:39:13 30
Unlock more space form your hard drive

This command changes the reserved space for privileged process on '/dev/sda' to 1 per cent.
This is sample output - yours may be different.
6

tune2fs -m 1 /dev/sda6

Dhinesh · 2011-12-07 10:20:01 6
Display standard information about device

Queries the specified ethernet device for associated driver information Show Sample Output
This is sample output - yours may be different.
```
dhinesh@ubuntu:~$ sudo  ethtool -i eth0
driver: pcnet32
version: 1.35
firmware-version: 
bus-info: 0000:02:01.0
dhinesh@ubuntu:~$ 
```
1

sudo ethtool -i eth0

Dhinesh · 2011-12-01 13:48:09 10
Change the terminal foreground color

This will change your terminal foreground colour.Depending on the system, tput uses the terminfo or termcap database, as well as looking into the environment for the terminal type. You can use "setb" to set terminal background colour
This is sample output - yours may be different.
0

tput setf 4

Dhinesh · 2011-11-22 11:42:48 5
Limit the cpu usage of a process

This will limit the average amount of CPU it consumes. Show Sample Output
This is sample output - yours may be different.
```
sudo cpulimit -p 4799 -l 10
Process 4799 detected
```
21

sudo cpulimit -p pid -l 50

Dhinesh · 2011-11-21 08:43:57 10
Encryption file in commad line

This will encrypt your single file and create a filename.gpg file. Option: * -c : Encrypt with symmetric cipher To decrypt dhinesh@ubuntu:~$ gpg -c sample.rb.gpg Show Sample Output
This is sample output - yours may be different.
```
dhinesh@ubuntu:~$ gpg -c sample.rb
Enter passphrase: 

Repeat passphrase:
dhinesh@ubuntu:~$
```
4

gpg -c <filename>

Dhinesh · 2011-11-21 06:26:59 6
To know the IP address of the machine current running on the network

List all the machine ip's currently running on your network Show Sample Output
This is sample output - yours may be different.
```
192.168.1.1
192.168.1.2
192.168.1.7
192.168.1.8
```
-1

fping -g 192.168.1.1 192.168.1.10 -r 1 | grep -v unreachable | awk '{print $1}'

Dhinesh · 2011-11-19 09:11:56 5
Adding a startup script to be run at bootup Ubuntu

This script will run each time you boot up.The script must be in /etc/init.d directory.
This is sample output - yours may be different.
2

sudo update-rc.d <scriptname> defaults

Dhinesh · 2011-11-19 08:55:38 6

nmap port scanning

TCP Connect scanning for localhost and network 192.168.0.0/24 Show Sample Output

nmap -v -sT 192.168.0.0/24

Dhinesh · 2011-11-19 07:06:52 18

Redirect tar extract to another directory

The command extracting the tar contents into particular directory ...
This is sample output - yours may be different.
12

tar xfz filename.tar.gz -C PathToDirectory

Dhinesh · 2011-11-17 12:43:56 7
Create the directoty recursively
This is sample output - yours may be different.
1

mkdir /home/dhinesh/dir1/{dir2,dir3,dir4}/file1.txt -p

Dhinesh · 2011-05-18 10:40:54 3

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.

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Watch the progress of 'dd'

dcfldd is a forensic version of dd that shows a process indicator by default.

Top 10 Memory Processes

It displays the top 10 processes sorted by memory usage

convert hex to decimal ; decimal to hex

Use a decoy while scanning ports to avoid getting caught by the sys admin :9

Scan for open ports on the target device/computer (192.168.0.10) while setting up a decoy address (192.168.0.2). This will show the decoy ip address instead of your ip in targets security logs. Decoy address needs to be alive. Check the targets security log at /var/log/secure to make sure it worked.

Dump a web page

Useful to browse dangerous web sites.

Clone perms and owner group from one file to another

Copy both perms and owner group from one file to another.

Find the annual salary of any White House staffer.

Query the Socrata Open Data API being used by the White House to find any employee's salary using curl, grep and awk. Change the value of the search parameter (example uses Axelrod) to the name of any White House staffer to see their annual salary.

Remote execute command as sudoer via ssh

Example: remote install an application(wine). sshpass -p 'mypssword' ssh -t mysshloginname@192.168.1.22 "echo 'mypassword' | sudo -S apt-get install wine" Tested on Ubuntu.

Create the signature base string required for a Twitter stream feed

This is the SECOND command in a set for five that are needed for a Twitter stream feed. This command creates variable "b", the so-called "base string" required for oauth in Twitter stream feed requests. (The 256 char limit prevents giving it a better name) We use five environment variables created by a previous step: id, k1, once, ts and k3. The five environment variables are created in a separate command, please see my other commands. For more information on the signature base string, see dev.twitter.com/apps, click on any app (or create a new one) and then go to the "OAuth Tool" tab.

bash auto-complete your screen sessions

this bash command sets it so that when you type "screen ", it searches your running screens, and present valid auto-complete choices. The output is . Note: You must have programmable completion enabled. Check with "shopt progcomp", set with "shopt -s progcomp"

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