Linux Commands

A list of Linux commands

How To
Commands
Disable Firewall
$ service iptables stop   # stops firewall
$ chkconfig iptables off  # disables firewall
$ service iptables status # status of firewall 

Renew IP Address

When computers are moved from one network to another network, its IP address changes. This change is not reflected immediately in network adapters. In order to force a reset of these adapters, the following commands are used.

Renew IP Address

Windows
1. Open a cmd prompt in elevated mode
2. Execute the command
    c:\windows\system32> ipconfig /renew


Linux
1. Open a Terminal as root
2. Execute the command
    $ ifconfig eth0 down
    $ ifconfig eth0 up

Linux Commands

Here are some common Unix/Linux commands

1. OS bitness 32 or 64: getconf KERNEL_BITS
2. architecture of processor: file /usr/bin/w
3. disk space usage: du
4. enable backspace: stty erase hit_the_backspace_key
5. split a vim screen vertically: Ctrl+wv
6. list of open ports: netstat
7. list of processes: ps
8. rename a file: mv original_filename renamed_filename
9. move a file: mv filepath/filename target_filepath/filename
10. change permissions: chmod
11. change owner: chown

Common Tools for Regular Use

I use a variety of tools during development. Here is a list of some of them. This list keeps growing as I use additional software.

1. Beyond Compare: for file, folder comparison and file merge
2. gVim: for file editing, comparison and merge
3. WinMerge: file comparison and merge
4. Application Verifier: runtime verification of c, c++ code on Windows
5. Driver Verifier: Windows kernel mode driver runtime verifier
6. WinDbg: debugging C and C++ code on Windows
7. WireShark: network packet analysis and sniffing
8. Maven: build, package
9. Gradle: build, package, deploy
10. Selenium: web site testing
11. JUnit: framework for unit testing of Java code
12. Fortify SCA: source code analysis
13. Clover: code coverage for Java and Groovy code
14. SonarQube: for trend analysis of various aspects in a project
15. BlackDuck: open source software management
16. VMWare Player: free virtual machine software
17. psftp: sftp client
18. putty: telnet client
19. pscp: scp client
20. tomcat: web server
21. process explorer: Windows processes, open files, handles etc
22. dependency finder: for finding dependencies in java code
23. lattix: for finding dependencies in java/c/c++/.net/database code

Disclaimer: This is just a list of software that I used. I do not make any recommendations regarding the software that I listed here.