Tag Archives: shell

Remote CLI access to Ubuntu Linux PC using web browser through authenticated HTTPS

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Shellinabox

Lets say you need to access your Ubuntu Linux PC at your home from the other PC behind very restrictive firewall. Lets also say that all you have access to is port 80 (http) and port 443 (https). Lets unlock this situation. Ill show you how to setup Shell In A Box with additional layer of security with Apache2 SSL. Prerequisite for the following guide is that you have fully working Apache 2 installation on you Ubuntu system. If you need instructions for this, you can find them on one of my older posts:

Ubuntu Netbeans and LAMP server with Xdebug as non-root user

In this post I'll mostly give you CLI commands without to much explanation so it is up to you to go trough the procedure and adjust it according to your own setup. Reason for this approach is that the procedure is a bit longer and there could be 10 pages explanation for all of this. Of course I'll give basic explanation for most important commands. So lets get down to business...

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Bash shell output to printer or PDF

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Very often I need to print output of man page or save it to PDF, and I need results fast so I can continue debugging my application or whatever I am doing that needed me to browse man pages. If you want to print shell command output you obviously need working printer or if you want to create PDFs you need cups-pdf package(on Debian based distros use apt-get install cups-pdf as root or with prefix "sudo" if you are Ubuntu derivative user). As an example I will print to PDF ls shell command output:

man -t 1 ls | lpr -P PDF

If you are printing to real printer you would use its name instead of "PDF". Lets do the same thing with my printer named "ML-1620":

man -t 1 ls | lpr -P ML-1610

To print to default printer you just omit -P switch altogether like this.

man -t 1 ls | lpr

Cheers!