Posts Tagged ‘Command’
PS Command Examples
The ps command displays active processes. Use ps command to find out what processes are running on your system. Can you share some examples of the Linux ps command? (Or, how do I use the Linux ps command?) The syntax for the ps...
Fdisk Command Tips
Fdisk is a partition table manipulator for Linux. Fdisk displays information about disk partitions, creates and deletes disk partitions, and changes the active partition. It is possible to assign a different operating system to...
Vi Command
As request from someone, so I write a post about vi editor. The vi editor comes with every version of Linux or Unix. It’s a terribly unfriendly beast of an editor, but you should know about it because someday you’re...
HowTo use UFW Command
UFW which is Ucomplicated Firewall is simply a management tool for creating kernel-level firewall rules which is done via the netfilter kernel module and iptables userspace tool. iptables has been around for quite a long time, ...
Mencoder Command Line AVI Converter
Mencoder the simple commands to use MPlayer’s MEncoder program to convert files from one format to another. MPlayer is a movie player for LINUX (runs on many other Unices, and non-x86 CPUs, like Windows, MAC.). It plays m...
Screenshots from the command line (scrot)
There are many Linux applications dedicated to taking screen shots. However, you might want to use the command line to do this, either because you want to build an automated script, or because you have a terminal screen handy. ...
Linux DNS Lookup Command
How can I lookup dns under Linux with a simple command? Actually, you can use below dns lookup utility under Linux. You can skip all 3rd party websites. Both commands will allow you to get answer to various dns queries such as ...
Change DHCP to a Static IP Address via Command
Do you have a Ubuntu or CentOS server? If the Server installer has set your server to use DHCP, you need to change it to a static IP address so that your customer can actually use it. Changing IP address without a GUI will requ...
No Fear using Linux Terminal Shell Command
What is a terminal? How to I open a terminal? Why do I need to learn the command line anyway? I’m guessing that many of you hear this too. And the fact that if you choose your Linux distribution with a little care, you need n...
The ps aux Command
The ps (i.e., process status) command is used to provide information about the currently running processes, including their process identification numbers (PIDs). In most Unix-like operating systems, the ps program displays the...
Use the lsof command
Use the “lsof” command. lsof stands for List Open Files. lsof can save you a lot of time and hassle if you are just checking on the status of your machine, but more importantly can give you valuable information and ...
Linux Finding Files with Locate Command
I suppose they are some still using find command to search files on their Linux system. But the locate command is often the simplest and quickest way to find the locations of files and directories on Linux and other Unix-like o...
Vncserver Screen Resolution?
I had a friend ask about vncserver resolution, he was new on vncserver on his ubuntu 10.4 lts. He asked me how to change the small resolution on his ubuntu default setting. You specify the wanted resolution on the command line ...
Howto Kill a Crashed or Frozen UNIX / Linux
Usually linux won’t crash or hang there. But just in case these problem do happens. A quick tip to kill a crashed Linux / UNIX system. Many user do not know this simple tip and end up hitting computer reboot button. Press...
Linux kernel /proc file system
/proc is a file system provides detailed information about various hardware devices and other Linux kernel information. The proc file system acts as an interface to internal data structures in the kernel. It can be used to obta...
lsof – list open file
lsof is the Linux/Unix Super tool. I use it most for getting network connection related information from a system, but that’s just the beginning for this amazing and little-known application. The tool is aptly called lsof...
Linux chmod command
What is chmod? Cchmod is a Unix command that lets you tell the system how much (or little) access it should permit to a file. Chmod changes the permissions of each given file according to mode, which can be either a symbolic re...
Netstat show network status
Netstat is used more for problem determination than for performance measurement. And, the netstat command can be used to determine the amount of traffic on the network to ascertain whether performance problems are due to networ...
Linux / Unix command cp
Have you ever created a cron job that need to copy a files from a folder to another folder? But the files that you needed copy to had the same files existed. If you are on the command line, it will probably ask you to type yes ...
