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0
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0answers
11 views

How to get write permission on /etc/environment?

I want to add mysql Connector jar file to classpath and by browsing through the net. I read that a global way to do it is to update the /etc/enviroment but the file opens as readonly. What I don't get ...
1
vote
1answer
47 views

Why is 'sudo bash' a bad idea? [duplicate]

Anyone want to comment on sudo bash in comparison to sudo su and sudo -i? I know sudo -i is the preferred because "environment". I've gotten into the bad habit from years ago when I was a kid in a ...
-1
votes
0answers
14 views

Seismic Unix Installation

when I edit /etc/environment file according to instructions here https://sites.google.com/site/ryanjearley/seismicunix_on_ubuntu this message appear and I can't save it, any help? ...
8
votes
2answers
120 views

Setting LOG=1 in /etc/environment

I asked a question earlier about viewing the history of notify-osd using the indicator-notifications app. The answer was that I needed to add LOG=1 in my /etc/environment file. That sounded ...
0
votes
0answers
51 views

Unable to switch desktop environments in 13.10

I have Unity, KDE (Kubuntu), and Gnome installed in 13.10. All three show up in the drop down when I go to switch users/login; KDE Plasma Workspace is the default option. I've tried lightdm, gdm, and ...
0
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0answers
70 views

How to change i686 to x86_64 linux system? [duplicate]

I need to have a x86_64 system to compile a source code but my ubuntu is i686. How can I have a 64 bit environment?
0
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2answers
45 views

locale when login ubuntu 12.04 desktop

I logged in to Ubuntu 12.04 desktop via ssh, the env variables of locale had been set are followed: env | grep LC LC_PAPER=zh_CN.UTF-8 LC_ADDRESS=zh_CN.UTF-8 LC_MONETARY=zh_CN.UTF-8 ...
1
vote
3answers
34 views

Environment variable is not update

I try to set the $PATH reference to the current working directory, one machine work as expected, but another machine is not. basically, I have set below line in .bashrc export PATH=$PWD/bin:$PATH ...
0
votes
1answer
169 views

Why doesn't JSLint/JSHint work in Ubuntu?

I installed as described here and other places, but after using npm to install jslint, jshint, neither will work. Running "jslint", I only get: /usr/bin/env: node: No such file or directory Is ...
0
votes
1answer
86 views

How can I activate a Desktop Environment? [duplicate]

Sorry if this is an incredibly stupid question, but I'm new to Linux on a whole & I'm trying hard to get into the flow with it. I recently installed LXDE which as you know is a DE, but I can't ...
0
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0answers
212 views

Initializing a Build Environment Installing required packages (Ubuntu 10.04 — 11.10)

I am trying to initialize a Android build environment on Ubuntu 10.04.4. I have followed the instructions provided by Google and have run into a issue at the following step under "Installing Required ...
1
vote
1answer
176 views

Juju can't connect to environment

I have been trying to run juju status -e maas but it keeps giving me the error 2013-08-12 10:00:48,301 INFO Connecting to environment... 2013-08-12 10:00:48,357 ERROR Cannot connect to environment: ...
0
votes
1answer
171 views

Editing MANPATH from /etc/environment

Having installed TeX Live on my system (by downloading and running the script from TUG's website: http://www.tug.org/texlive/acquire-netinstall.html), I tried editing the MANPATH variable by adding ...
0
votes
1answer
174 views

Run a shell script from terminal

I have a shell script at /home/user/android-sdk-linux/tools. I wish to run the script from the terminal by typing ddms so I added :/home/user/android-sdk-linux/tools/ddms.sh to /etc/environment and ...
1
vote
1answer
373 views

How to get Ubuntu to use as much Resources as Lubuntu

Well.. I love Ubuntu, but it causes my laptop to use resources up, and I don't even know why. it even cause my laptop's fan to run louder and heat up (not overheat, but it does get hot). As soon as I ...
-2
votes
3answers
896 views

How do I change to the desktop/layout like in the picture?

I would love to change my desktop to the one below: Could someone please help?
16
votes
1answer
644 views

Why use env in shebang?

What is the purpose of using #!/usr/bin/env <sh|bash|python> shebang compared to #!/bin/bash, #!/bin/sh or #!/usr/bin/python?
17
votes
2answers
9k views

How to set up and use a virtual python environment in Ubuntu?

Python virtual environments are used to create isolated python environments to avoid dependency and version conflicts, and also indirectly takes care of permission issues. But what is the easiest way ...
0
votes
1answer
207 views

Difference between /etc/security/pam_env.conf and /etc/environment + making sudo read pam_env.conf

I struggle to see the difference between pam_env.conf and /etc/environment. To me they both do the same thing, with a difference syntax. The manpages were no help. So what is the difference? ...
2
votes
2answers
835 views

How can I add a directory to my PATH? [duplicate]

Possible Duplicate: How to add a directory to my path? I created a .bash_aliases file with the following contents: PATH=$PATH:$HOME/opt/bin So it adds /home/myuser/opt/bin to $PATH. I ...
1
vote
1answer
199 views

how to remove environment variables set for QSTK?

I am new to Ubuntu, and I'm having trouble with the terminal application. Every time I open it this message appears: "bash: /home/xxxxx/.bashrc: line 1: syntax error near unexpected token `(' bash: ...
6
votes
3answers
4k views

Stop/start battery charging through software?

If a laptop is powered on and connected to AC power, is there a way to issue a command that tells it not to charge the battery? EDITED: Perhaps charging of the battery may be stopped if there were a ...
3
votes
1answer
171 views

Installing Latex on Virtualenv

I'm trying to install latex on virtualenv as a part of my project being uploaded to heroku. I used pip install texlive-latex-extra also easy_install texlive-latex-extra for packages ...
2
votes
1answer
416 views

juju bootstrap key error?

I followed the guides the best as i could. there is some information missing like do as root or as regular user ..formatting, quotes no quotes..what the password or paraphrase for ssh should be ...
7
votes
2answers
1k views

Is there a difference between “.” and “source” in bash, after all?

I was looking for the difference between the "." and "source" builtin commands and a few sources (e.g., in this discussion, and the bash manpage) suggest that these are just the same. However, ...
1
vote
1answer
573 views

NoClassDefFoundError: org/apache/derby/tools/ij

Derby says to install to opt, so I did: thufir@dur:~$ thufir@dur:~$ ll /opt/db-derby-10.9.1.0-bin/lib/derbytools.jar -rw-r--r-- 1 root root 174932 May 31 12:19 ...
6
votes
2answers
144 views

Can I set different passwords for different desktop environments?

I have installed GNOME, Unity and Cairo Dock desktop environments. I wanted to set different passwords for each. Is this possible by any means? Thank you.
5
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1answer
92 views

How green are Ubuntu and Canonical?

im a student of Environmental Engineering, currently searching for a Bachelor Thesis Theme. I am curious, if there any internal information about Ubuntu related to CO2/Energy saving compared to other ...
0
votes
1answer
97 views

Development environment for Linux wireless using sparse

I am used to Eclipse and Visual studio for development for Java and C#. I am looking forward to modify and compile some files in C in the Linux Wireless subsystem. The site recommends using Sparse but ...
0
votes
1answer
928 views

how to include an environment variable in the launcher?

I was trying to make some scripts dynamic by including the environment variable $LOGNAME and even $HOME. but it don't seem to work when placed in a launcher. I am trying to make code a bit more ...
0
votes
0answers
34 views

Having trouble installing Java Runtime Environment on Ubuntu 12.04 [duplicate]

Possible Duplicate: How do I install Java? I digged up into the subject and it didn't really help. It actually made things worse. From what I understood from a website, JRE has been ...
1
vote
2answers
563 views

Added folders to PATH cannot be found using sudo [duplicate]

Possible Duplicate: Environment variables when run with 'sudo' I've added a new folder to my path, but when running the programs (in that folder) with "sudo" it does not work. When ...
1
vote
1answer
4k views

How to “get” system proxy settings?

I want to set proxy in my system firefox from firefox that I use by VPN. in VPN's firefox in Preferences/Advanced/Network/Settings the checkbox "use system proxy settings" is checked. where are ...