a.rb

root@Debian-70-wheezy-64-minimal:~# which julia
/usr/bin/julia
root@Debian-70-wheezy-64-minimal:~# cat /usr/local/share/jupyter/kernels/julia/kernel.json
{
 "argv": [
  "/usr/bin/julia",
  "-i",
  "-F",
  "/root/.julia/v0.3/IJulia/src/kernel.jl",
  "{connection_file}"
 ],
 "display_name": "Julia"
}
root@Debian-70-wheezy-64-minimal:~# cat /root/.julia/v0.3/IJulia/src/kernel.jl
# workaround #60:
@osx_only ENV["PATH"] = JULIA_HOME*":"*ENV["PATH"]

include("IJulia.jl")
using IJulia
IJulia.init(ARGS)

# import things that we want visible in IJulia but not in REPL's using IJulia
import IJulia.ans

include("inline.jl")
using IPythonDisplay
pushdisplay(InlineDisplay())

ccall(:jl_install_sigint_handler, Void, ())

# the size of truncated output to show should not depend on the terminal
# where the kernel is launched, since the display is elsewhere
ENV["LINES"] = 30
ENV["COLUMNS"] = 80

println(IJulia.orig_STDOUT, "Starting kernel event loops.")
IJulia.watch_stdio()

# workaround JuliaLang/julia#4259
delete!(task_local_storage(),:SOURCE_PATH)

# workaround JuliaLang/julia#6765
eval(Base, :(is_interactive = true))

IJulia.waitloop()
root@Debian-70-wheezy-64-minimal:~# 
root@Debian-70-wheezy-64-minimal:~# 
root@Debian-70-wheezy-64-minimal:~# 
root@Debian-70-wheezy-64-minimal:~# julia
               _
   _       _ _(_)_     |  A fresh approach to technical computing
  (_)     | (_) (_)    |  Documentation: http://docs.julialang.org
   _ _   _| |_  __ _   |  Type "help()" for help.
  | | | | | | |/ _` |  |
  | | |_| | | | (_| |  |  Version 0.3.2
 _/ |\__'_|_|_|\__'_|  |  
|__/                   |  x86_64-linux-gnu

julia> Pkg.add("IJulia")
INFO: Nothing to be done

julia> qui()
ERROR: qui not defined

julia> quit()
root@Debian-70-wheezy-64-minimal:~#