Alternately, if you have preinstalled software that conflicts with what Julia needs, of you compile from source the Julia makefiles will download and configure exactly what they need in a subdirectory, avoiding such conflicts.
> On Apr 15, 2014, at 7:15 PM, Elliot Saba <[email protected]> wrote: > > "sudo" authorizes a program to have administrator access to your computer. > It gives what are called "root" permissions to a process so that it can make > changes to your system. (Linux's "root" is Windows' "Administrator") > > That "apt-get upgrade" command is complaining about an inability to upgrade a > program you already have installed on your computer, looks like it has > something to do with R. I'm afraid I can't help you with that. > > The "apt-get install julia" command is complaining because there's a conflict > between BLAS libraries, which are the linear algebra libraries fundamental to > most technical computing platforms. This usually happens when you have some > other technical computing package which has installed a linear algebra > library that Julia doesn't know how to use, but installing Julia's linear > algebra libraries would conflict with the already installed program's. The > way to move forward is to figure out which libraries are conflicting and > resolve them somehow. > > Can you post the output of "dpkg --get-selections | grep hold"? > -E > > >> On Tue, Apr 15, 2014 at 3:17 PM, Stéphane Laurent <[email protected]> >> wrote: >> Hi, >> >> I have just tried to install Julia but typing "julia" as a command line does >> not run anything (command not found). I have followed the following steps: >> >> sudo add-apt-repository ppa:staticfloat/juliareleases >> >> sudo apt-get update >> >> sudo apt-get install julia >> >> >> I got a problem at the second step : >> >> $ sudo apt-get update >> ........... >> Hit http://www.openprinting.org lsb3.2/contrib Translation-en >> >> Fetched 4,461 kB in 28s (155 kB/s) >> >> Reading package lists... Done >> W: GPG error: http://cran.rstudio.com precise/ Release: The following >> signatures couldn't be verified because the public key is not available: >> NO_PUBKEY 51716619E084DAB9 >> >> and at the third step : >> >> $ sudo apt-get install julia >> Reading package lists... Done >> Building dependency tree >> Reading state information... Done >> Some packages could not be installed. This may mean that you have >> requested an impossible situation or if you are using the unstable >> distribution that some required packages have not yet been created >> or been moved out of Incoming. >> The following information may help to resolve the situation: >> >> The following packages have unmet dependencies: >> julia : Depends: libopenblas-base but it is not going to be installed or >> libblas3 but it is not installable or >> libatlas3-base but it is not installable >> Depends: liblapack3 but it is not going to be installed or >> libatlas3-base but it is not installable >> Depends: libcholmod1.7.1 but it is not going to be installed >> Depends: libumfpack5.4.0 but it is not going to be installed >> Depends: libarpack2 but it is not going to be installed >> E: Unable to correct problems, you have held broken packages. >> >> >> What should I do ? Please consider I'm a newbie in Linux (I don't even know >> what "sudo" means, I'm only copying-pasting some instructions). >
