Introduction to Linux - A Hands on Guide This guide was created as an overview of the Linux Operating System, geared toward new users as an exploration tour and getting started guide, with exercises at the end of each chapter. Go figure, eh? This guide was created as an overview of the Linux Operating System, geared toward new users as an exploration tour and getting started guide, with exercises at the end of each chapter. PS: I dont want to use wireshark or any other s/w. This option enumerates all configured addresses on all network interfaces. For more advanced trainees it can be a desktop reference, and a collection of the base knowledge needed to proceed with system and network administration. :D.S is equivalent to host/unix:D.S, where host is the local hostname. Note that this works only if the host name can be resolved. -I, --all-ip-addresses Display all network addresses of the host. please reply to this. host/unix:D.S means screen S on display D of host host; the X server for this display is listening at UNIX domain socket /tmp/.X11-unix/XD (so it's only reachable from host). The same thing works in Linux or OS X, though you can see that most of the time the hostname is part of the prompt anyway. I need to get the hostname the same way i got the result in arp-scan. The PS1 in this example displays the following three information in the prompt: \u – Username \h – Hostname \w – Full path of the current working directory-bash-3.2$ export PS1="\u@\h \w> " ramesh@dev-db ~> cd /etc/mail ramesh@dev-db /etc/mail> 2. Is there any command? It would be helpful if there was a terminal command. Display current time in the prompt. export PS1="\u "Here, \u is the escape sequence. After adding each entry, you must run "source ~/.bashrc" command to take effect the changes. Hi, this is for the bash. But, if you don't face these limitations, you can implement the idea in ksh or bash, I think. 1. Display username only. u=user h=host w=current DIR This is the promt: user@hostname[current path] regards joerg vi .profile # Open the .profile file inside the vi export PS1="\u@\h:[\w] $ " # insert this line and ! :0.0 means that we are talking about the first screen attached to your first display in your local host 2. The host name is usually set once at system startup in /etc/rc.d/rc.inet1 or /etc/init.d/boot (normally by reading the contents of a file which contains the host name, e.g. In the following example, the command $(date) is executed to display the current time inside the prompt. To display the username only, just add the following line in ~/.bashrc file. To see the hostname… all you have to do is type hostname at the command prompt. Here are some more values to add to your PS1 variable to change the BASH prompt. Avoid using this option; use hostname--all-ip-addresses instead. Display username, hostname and current working directory in the prompt. Setting the ‘hostname’ to the FQDN results in “hostname.domainname.domainname” when … the Fqdn You can't change the FQDN (as returned by hostname --fqdn ) or the DNS domain name (as returned by dnsdomainname ) with this command. /etc/hostname). Bourne shell wasn't sufficient, and we don't have bash on Sun or HP machines (and didn't have bash on AIX at the time - AIX 5L wasn't out yet). Korn shell wasn't much of an option, either, since most of our Linux boxes don't have pdksh installed. -i, --ip-address Display the network address (es) of the host name. Thank you. Add username with hostname The ‘hostname’ is the ‘shortname’ of the system instance, with the FQDN being the ‘hostname’ with the DNS ‘domain name’ appended (upon using a command to provide it). 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