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You are just using ln the wrong way around: ln is ln <source> <target>. So you could do: ORIGINAL="$(which firefox)" sudo mv "$ORIGINAL" "${ORIGINAL}.orig" sudo ln -s "$HOME/Desktop/firefox/firefox" "$ORIGINAL" This will backup the current firefox binary from your path and create a symlink to your manually installed version.


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Easiest way apt-get install firefox this will update to new one or which firefox this will give you path of firefox then replace the same sudo ln -fs $HOME/Desktop/firefox/firefox /usr/bin/firefox For Ex. which firefox /usr/bin/firefox sudo ln -fs $HOME/Desktop/firefox/firefox /usr/bin/firefox


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There are two ways to fix this: You can alter your $PATH variable so that the directory where the new firefox version lives is checked before any other directory, by running the command export PATH=$HOME/Desktop/firefox:$PATH And if you add that same command to your .bashrc, all your future sessions will have the new PATH too. You can use ln to symlink the ...


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Why you downloaded the version, you apparently did not install it in one of the directories in the PATH variable. When you execute simply 'firefox' it will find firefox in the first directory using the PATH directory. If you execute firefox with a more fully qualified name it will use whatever is found in that SPECIFIC directory only. The easiest thing to ...


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You're close. First, the M4 variable needs to be set to the path to the actual M4 program file, not to the directory it lives in. Probably a more common use for this variable than your case is to select among multiple M4 programs that are already in the PATH, so you need to name the actual executable. It's common on BSD type OSes to have the platform m4 and ...


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Have you followed this steps? 1) Open a terminal. Install Bumblebee and the NVIDIA driver: sudo apt-get update sudo apt-get install bumblebee bumblebee-nvidia bbswitch-dkms primus nvidia-331 2) Change Bumblebee’s configuration: sudo gedit /etc/bumblebee/bumblebee.conf 3) Edit the lines so they match the lines below: Driver=nvidia [driver-nvidia] ...


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Verify VLC Versions According to the Web Version of the Repository that you are trying to add, the only versions for Ubuntu that the daily builds will work for are: Trusty - 14.04 Utopic - 14.10 Vivid - 15.04 Click the Technical Details line in Green on the Link Above, as the versions will change as this Answer ages. To download the proper version, ...


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In shell scripting, there is only one data type. Everything is text. Different commands may variously interpret the text to suit their needs: $ [ "1" -eq "01" ] && echo yes || echo no yes $ [ "1" = "01" ] && echo yes || echo no no The first test interprets 1 and 01 as numbers (the second probably as an octal number). The second test treats ...


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According to the POSIX standard, environment variables are just plain strings with no associated data types. However, as an extension, some shells like bash, ksh, ksh93, zsh and others allow their variables be typed, like being numeric, an array. Read-only variables or pre-formatted ones might also be supported. They are commonly typed with either the ...


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you can follow through cygwin to install it, and know its shell by the shell instructions. Also here's a good resource to get started with learning learning linux commands.


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You can use - if you can get the initial right to do so granted to you - the linux kernel's User namespaces. In a user namespace a user can be apportioned a piece of a disk and run a full-fledged container within as a super-user without otherwise affecting the parent environment. You will need a 3.8 or later kernel, some linux-savvy, and the initial setup ...


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You can use JuJu, which creates a small Linux container in user's directory, where you can install any packages.


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Installing the Dropbox deb files from the Dropbox website (Ubuntu or Debian, I have not tested others) will not install Nautilus, although gdebi says a Nautilus extension will be installed. Installing just Dropbox from Ubuntu sources in Synaptic or in terminal will neither install Nautilus. File manager integration is also provided in Synaptic (Ubuntu ...


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Your configuration seems ok to me (you normally only have to override the sensible defaults in ./configure), you would normally include the build step (make). From the FAQ file included in the downloaded 1.2.8 archive: 13. How can I make a Unix shared library? By default a shared (and a static) library is built for Unix. So: make distclean ...


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The command 'chmod +x filename' does not install anything, it just sets the "executable" attribute on file. If you write a shell script with the filename 'myscript' and then you do 'chmod +x myscript' then instead of doing 'sh myscript' to run it, you will be able to do so with only 'myscript' (assuming the file is in a directory in your path). That being ...


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If you are installing netbeans as root, your problem may be due to X not allowing root access to the session (this was the case when I initially attempted to install). The following web page gives a number of different ways to give the root user access to the current X session and also briefly discusses the security issues: ...


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You should take a look at apt-get install --reinstalland specify --force-confmiss as option - but this only reinstalls missing config files. apt-get --purge before will remove those config files. Explained here: http://askubuntu.com/a/67028/329633 and here: http://www.microkwen.com/2008/09/16/force-apt-get-to-reinstall-config-files/ and here: ...


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According to the Gentoo wiki page on troubleshooting, most of such cases can be resolved by emerging the latest package with, say, emerge --ask --oneshot package-name.



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