All command need privilage

Question

I try to install Hping3 in my ubuntu 8.04 but after installation when I want to Hping3 I got this error:

Command 'hping3' is available in '/usr/sbin/hping3' The command could not be located because '/usr/sbin' is not included in the PATH environment variable. This is most likely caused by the lack of administrative priviledges associated with your user account.

also when I try to run ifconfig I get this:

Command 'ifconfig' is available in '/sbin/ifconfig' The command could not be located because '/sbin' is not included in the PATH environment variable. This is most likely caused by the lack of administrative priviledges associated with your user account.

first it needs to run sudo su and then run the command. is it normal? or I miss something?

when I run echo $PATH I get:

/usr/local/bin:/usr/bin:/bin:/usr/bin/X11:/usr/games:/home/amirreza/simulator/ns-allinone-2.33/bin:/home/amirreza/simulator/ns-allinone-2.33/tcl8.4.18/unix:/home/amirreza/simulator/ns-allinone-2.33/tk8.4.18/unix:/home/amirreza/simulator/ns-allinone-2.33/ns-2.33/:/home/amirreza/simulator/ns-allinone-2.33/nam-1.14/

Answer 1

hping usually needs to be run as root (just like many other network analysis tools).

That said, both /sbin and /usr/sbin should be in your $PATH. Not being able to run ifconfig is definitely not normal and a major annoyance. Here's my $PATH for your reference:

/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/usr/games

You can display it using echo $PATH and edit it using export, like this:

export PATH="/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/usr/games"

PS. My root $PATH is

/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/usr/X11R6/bin

... just in case.