Question When I enable USB debugging in an Android phone and connect it to Ubuntu, I get a popup like: Unable to mount SAMSUNG_Android Error initializing camera: -60: Could not lock the device How can I disable or ignore the popup? In Windows it works fine; the problem is just in Ubuntu. Answer The problem is that Ubuntu is yet to support MTP natively. I hope with the next version, Ubuntu 13.…

Question I have a python project and I want to be able to install it using something like python setup.py install so that the installation automatically creates a systemd service. I'm having some trouble, most probably setting the paths or imports correctly. My environment: Ubuntu 15.04 Python 2.7 (although it would be great to make it work in py3 too). Project Structure: + top-folder + super_project + folder1 __init__.py file1.py + folder2 __init__.…

Question pdo is working fine with mysql but with pgsql its giving error 'PDOException' with message 'could not find driver' I've installed php5-pgsql package which also includes pdo_pgsql http://packages.debian.org/sid/php5-pgsql This package provides a module for PostgreSQL database connections directly from PHP scripts. It also includes the pdo_pgsql module for use with the PHP Data Object extension. my dsn is pgsql:dbname=DB;host=192.168.0.2 I am using Ubuntu 10.04 Answer This message means you need to install and or activate postgresql extension in PHP…

Question I am trying to install node using brew but it gets stuck at make install and does nothing. I am using ubunutu 14.04. Here is the logs from the terminal: ==> Downloading https://nodejs.org/dist/v4.2.1/node-v4.2.1.tar.gz Already downloaded: /home/tsepak33/.cache/Homebrew/node-4.2.1.tar.gz ==> Downloading https://ssl.icu-project.org/files/icu4c/56.1/icu4c-56_1-src.tgz Already downloaded: /home/tsepak33/.cache/Homebrew/node--icu4c-56.1.tgz ==> ./configure --prefix=/home/tsepak33/.linuxbrew/Cellar/node/4.2.1 --without-n ==> make install I aso tried with brew reinstall node, but nothing works. Answer I had the same problem. Eventually, I understood that I didn't wait enough time.…

Question I have a Java backend which uses Spring Boot Actuator but it won't start on Digitalocean Ubuntu VPS. The same application runs well on my Mac and on an other Ubuntu PC. szabolcs@SmartUpProd:~/smartup$ java -Xmx1536m -jar build/libs/smartup-backend-0.1.0.jar It starts the initialisation but it stops at the same point every time (no exception, just hangs). If I try to stop it at this point with ^C it won't bring the shell back.…

Question Alright, so I've been making a bot for a popular Teamspeak-like program called discord. I'm running the bot on an Ubuntu server, and use NPM install to install various modules. Currently, the local version of the bot works fine, but on Ubuntu I can't seem to do "sudo npm install urban" (Urban being the only module I'm having problems with - https://www.npmjs.com/package/urban ) The error I get is npm ERR!…

Question Could someone explain this command for me: cat | sed -e 's,%,$,g' | sudo tee /etc/init.d/dropbox << EOF echo "Hello World" EOF What does the "sed" command do? Answer sed is the Stream EDitor. It can do a whole pile of really cool things, but the most common is text replacement. The s,%,$,g part of the command line is the sed command to execute. The s stands for substitute, the , characters are delimiters (other characters can be used; /, : and @ are popular).…