Ask Ubuntu Weekly Newsletter - Monday, August 31, 2015

Top new questions this week: What version is this Live CD / Live USB? I often have a number of Live CDs sitting around (actually USBs) and I'm not always sure which version is which. Is there some quick way to find out the Ubuntu version I'm looking at? Perhaps a file I ... live-usb live-cd   asked by Jake 18 votes answered by Ron 20 votes How to build a simple chat using netcat? I am currently working on a project and I have implemented a simple chat application using the netcat libraries. The client is prompted to enter port number and the command nc -l -p xxxx where ... command-line networking c++ netcat   asked by Sachin Kamath 13 votes answered by chaos 19 votes How to make it so that a file can only be executed by root, but not as root? There are certain applications that I don't want people to be able to open unless they have root privileges, however I do not want to give the programs root privileges. So how can I make it so that ... permissions password root execute-command   asked by Paranoid Panda 8 votes answered by Heather Brown 3 votes How to rename sudoers back to its original naming? Today I made a big mistake, I run the command mv /etc/sudoers{,.bak} on my ubuntu machine and now sudoers file is missing This is the message given in terminal wherever I use sudo sudo: unable ... sudo   asked by Suraj Palwe 7 votes answered by kos 27 votes How can I lock an application (and all its new windows) into a specific workspace? I run a Matlab script in the workspace 1. This generates several plots. In the mean time I switch to workspace 2 and working there. My problem is that the plots are popping up in workspace 2. Is it ... 14.04 unity workspaces matlab   asked by OHLÁLÁ 6 votes answered by Jacob Vlijm 2 votes How to enter a tab charater in gedit if replacement with spaces is set up? Some programs require tab characters to work, e.g. make requires tabs in Makefiles. If gedit is configured to replace tabs with spaces, it's painful to change the settings every time or copy a ... gedit   asked by Karl Richter 4 votes answered by A.B. 4 votes How to run Telegram from Terminal So I have telegram messenger on my Ubuntu and I'm trying to launch it from terminal and later on set it up as startup program - problem is I cannot find command to run it. telegram/Telegram don't ... command-line 15.04 startup telegram   asked by Michał Żywiecki 4 votes answered by A.B. 5 votes Greatest hits from previous weeks: Screen Resolution Problem with Ubuntu 14.04 and VirtualBox Environment: Lenovo T530 running Windows 7. Have installed Ubuntu 14.04 on a virtual machine using VM Virtual Box. Have installed all the updates from both Virtual Box and Ubuntu. Problem: While in ... 14.04 virtualbox windows-7 display-resolution   asked by user3341257 128 votes answered by Sylvain Pineau 160 votes How to list all installed packages? I'd like to output a list of all installed packages into a text file, so that I can review it and bulk-install on another system. How to do this? apt package-management   asked by Ivan 551 votes answered by Sabacon 542 votes Can you answer these? How to stop Unity on the phone so it doesn't restart? How to bring down the Ubuntu Phone GUI so I can test some Qt stuff? I figured that it's easy to put arbitrary Qt versions into home dir and run them without messing with the main installation. But I ... unity ubuntu-touch qt   asked by Velkan 2 votes Inserting Smart DNS in Ubuntu 14.04 LTS How do I insert my Smart DNS numbers into Network Settings in 14.04 LTS. I have the IP address and the Gateway. I do not understand the way it has been explained before using terminal. Thanks. 14.04   asked by Ivorman 1 vote Stateless Autoconfiguration in Ubuntu Server How to config stateless IPV6 in ubuntu server as a router? there are 1 router (ubuntu) , and 2 clients (windows 7 and windows 8), how to communicate each other? 12.04   asked by Ika Ayuningtias 2 votes

Subscribe to more Stack Exchange newsletters Unsubscribe from this newsletter or change your email preferences by visiting your subscriptions page on stackexchange.com. Questions? Comments? Let us know on our feedback site. If you no longer want to receive mail from Stack Exchange, unsubscribe from all stackexchange.com emails. Stack Exchange, Inc. 110 William St, 28th Floor, NY NY 10038 <3