Running multiple versions of iTunes on the same PC?

I like to always have the latest version of iTunes on my machine, but I also need to keep an older version (7.5 or lower) on my machine for compatibility reasons (please don't ask why - I just do). Is it possible to install multiple versions of iTunes on the same PC (using XP and/or Vista)? If this is not possible by simply installing in different folders, I'm guessing that I can use this "virtualization" that I've been hearing about. I've used Parallels on a Macbook before, but what can I use to create a virtual machine on a PC? Is there a free program that does this?
Any help would be greatly appreciated.

Virtual PC can do it, but it's not free. I think VMware as well, but likely not free. Actually, it seems you can evaluate VMware:
http://www.vmware.com/download/

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I seem to be running two versions of firefox at the same time help!

I seem to be running an older version and a new version of firefox at the same time. I run the new version from startup (it forgets previous tabs from last session) and this sadly does not let me use back and forward arrow buttons so its a bit useless. Strangely when I pop an email window up, the older version of firefox appears with the last few tabs I had browsed.
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east99 wrote:
> How to run two versions of any dreamweaver at the same
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> There must be a way to do this.
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[Solved?] Installing multiple versions of Firefox at the same time

I would like to install the normal Firefox in the repositories and also firefox-pgo-minefield-smp from the AUR so that I may use either one as desired.
Looking at the current PKGBUILD from http://aur.archlinux.org/packages.php?ID=33506 (pkgbuild @ http://aur.archlinux.org/packages/firef … p/PKGBUILD ) I am thinking that perhaps I would modify this line:
export LDFLAGS="-Wl,-rpath,/usr/lib/firefox-$_prever -Wl,-O1,--sort-common,--hash-style=gnu,--as-needed"
to reflect the path where I would like to install it like so:
export LDFLAGS="-Wl,-rpath,/opt/firefox-$_prever -Wl,-O1,--sort-common,--hash-style=gnu,--as-needed"
And then presumably fix my symlink at /usr/bin/firefox to point back to /usr/lib/firefox-2.6 again. (and also fix the menu links and I realize I would have to use an ugly 'pacman -U tarball --force' to install it -- there's got to be a better way as that is very ugly and wrong surely???? Perhaps modify the pkgname as well as conflicts and provides so I could install it more normally?)
Correct? Would I also need to modify a prefix or such besides this and if so where in the pkgbuild (ideally) or source would you recommend (must I change the actual makefile or does my modification in the PKGBUILD take care of this? Would you in your experience recommend another approach for this?
I thought it wise to ask here before hacking away with this stuff and possibly hosing my system in unforeseen ways. Please forgive my greenness. I have spent a few hours researching this but still am not quite sure thus I ask. While I think I could do it with a straight compile with a modified configure I'm unsure of how to do it best using the arch tools...
Thanks for your time.
Last edited by davidm (2010-02-08 14:51:21)

Basically solved but not yet mastered.
So I've figured out how to do this, it works, but not yet optimally and I am unsure about some things. Namely:
[david@arch-desktop opt]$ ls -l /opt/bin
total 0
lrwxrwxrwx 1 root root 33 Feb 8 07:27 firefox -> /opt/lib/firefox-3.7a1pre/firefox
[david@arch-desktop opt]$ ls -l /opt/lib
total 8
drwxr-xr-x 12 root root 4096 Feb 8 07:27 firefox-3.7a1pre
drwxr-xr-x 3 root root 4096 Feb 8 07:27 firefox-devel-3.7a1pre
[david@arch-desktop opt]$ ls -l /opt/lib/firefox-devel-3.7a1pre
total 8
lrwxrwxrwx 1 root root 25 Feb 8 07:27 bin -> /opt/lib/firefox-3.7a1pre
lrwxrwxrwx 1 root root 31 Feb 8 07:27 idl -> /opt/share/idl/firefox-3.7a1pre
lrwxrwxrwx 1 root root 29 Feb 8 07:27 include -> /opt/include/firefox-3.7a1pre
lrwxrwxrwx 1 root root 39 Feb 8 07:27 lib -> /opt/lib/firefox-devel-3.7a1pre/sdk/lib
drwxr-xr-x 3 root root 4096 Feb 8 07:27 sdk
-rw-r--r-- 1 root root 2082 Feb 8 05:06 xpcom-config.h
[david@arch-desktop lib]$ ls -l /opt/lib/firefox-3.7a1pre
total 17428
-rw-r--r-- 1 root root 2102 Feb 8 07:27 application.ini
-rw-r--r-- 1 root root 2531 Feb 8 07:27 blocklist.xml
-rw-r--r-- 1 root root 232 Feb 8 07:27 browserconfig.properties
drwxr-xr-x 3 root root 4096 Feb 8 07:27 chrome
drwxr-xr-x 2 root root 4096 Feb 8 07:27 components
drwxr-xr-x 5 root root 4096 Feb 8 07:27 defaults
-rw-r--r-- 1 root root 139 Feb 8 07:27 dependentlibs.list
drwxr-xr-x 2 root root 4096 Feb 8 07:27 dictionaries
drwxr-xr-x 3 root root 4096 Feb 8 07:27 extensions
-rwxr-xr-x 1 root root 3913 Feb 8 07:27 firefox
-rwxr-xr-x 1 root root 56788 Feb 8 07:27 firefox-bin
-rw-r--r-- 1 root root 76888 Feb 8 07:27 greprefs.js
drwxr-xr-x 2 root root 4096 Feb 8 07:27 icons
-rwxr-xr-x 1 root root 1846520 Feb 8 07:27 libmozjs.so
-rwxr-xr-x 1 root root 900176 Feb 8 07:27 libmozsqlite3.so
-rwxr-xr-x 1 root root 11540 Feb 8 07:27 libxpcom.so
-rwxr-xr-x 1 root root 14796800 Feb 8 07:27 libxul.so
-rw-r--r-- 1 root root 30826 Feb 8 07:27 LICENSE
drwxr-xr-x 2 root root 4096 Feb 8 07:27 modules
-rwxr-xr-x 1 root root 3108 Feb 8 07:27 mozilla-runtime
-rwxr-xr-x 1 root root 10720 Feb 8 07:27 mozilla-xremote-client
-rw-r--r-- 1 root root 154 Feb 8 07:27 platform.ini
drwxr-xr-x 2 root root 4096 Feb 8 07:27 plugins
-rw-r--r-- 1 root root 177 Feb 8 07:27 README.txt
-rw-r--r-- 1 root root 16712 Feb 8 07:27 removed-files
drwxr-xr-x 6 root root 4096 Feb 8 07:27 res
-rwxr-xr-x 1 root root 10370 Feb 8 07:27 run-mozilla.sh
drwxr-xr-x 2 root root 4096 Feb 8 07:27 searchplugins
[david@arch-desktop include]$ ls -l /opt/include
total 80
drwxr-xr-x 11 root root 77824 Feb 8 07:27 firefox-3.7a1pre
It seems as though it is a bit messy, as if I have more than I need installed. Especially the two entries in /opt/lib/. Do I really need all this?
PKGBUILD:
# Maintainer: Devin Cofer <ranguvar{AT]archlinux[DOT}us>
# Contributor: blasse <koralik(at)gmail(dot)com>
# PKGBUILD MODIFIED The above info does not apply. Modified by davidm for personal use, not intended for distribution.
# This package is not a normal -hg package. I manually bump $_workingrev every now and again when
# a revision of Firefox passes all of the Linux tests on http://bit.ly/1O4siz
pkgname=firefox-electrolysis-nightly-opt
pkgver=999901
pkgrel=1
_prever=3.7a1pre
_workingrev='d2bed0c20e89'
_mozver=central
pkgdesc="Mozilla Firefox customizable web browser Electrolysis Nightly installed in opt (XULRunner independent, PGO optimized, 64-bit TraceMonkey, Dev tree, Multithreaded)"
url="http://www.mozilla.org/projects/firefox"
arch=('i686' 'x86_64')
license=('MPL' 'GPL' 'LGPL')
_soundsystem='alsa-lib' # 'alsa-lib' for ALSA, 'oss' for OSS
makedepends=('mercurial' 'autoconf-compat' 'gcc>=4.4' 'zip' 'pkgconfig'
'diffutils' 'libgnomeui>=2.24.1' 'python' 'wireless_tools')
depends=('gtk2>=2.18.0' 'gcc-libs>=4.4' 'libidl2>=0.8.13' 'mozilla-common'
'nss>=3.12.4' 'libxt' 'hunspell>=1.2.8' 'startup-notification>=0.10'
'libnotify>=0.4' 'mime-types' 'dbus-glib>=0.82' 'desktop-file-utils'
'cairo' ${_soundsystem})
#provides=("firefox-electrolysis-nightly-opt=$_pkgver")
#conflicts=('firefox-electrolysis-nightly-opt')
install=$pkgname.install
source=('mozconfig'
'firefox-minefield-smp.desktop'
'firefox-safe-minefield-smp.desktop'
'fix-mozilla-launcher.patch'
'mozilla-firefox-1.0-lang.patch'
'ldflags-namespec.patch'
'jemalloc-enable-pgo.patch'
'potential-pgo-fix.patch')
#Original hashes
# sha256sums=('8d08ee111b88473a53e8c0852d463971af7a827f796a94d3fe74ca2eed76ca0b'
# '21722965bb0bab05e3fbd2f584dbcaeb9f0726ed755f59bbf6fb26a7f964e6ec'
# '00641e2d7ba45a607522a621aa86c21e13b2951ebca920b1e0b538b0e1188445'
# 'd4948cc5878b2100b4d19b0fbc09119c34377593c5847678d5788db2b4e0fe43'
# '0ca095ff2af57297f615877a7e79ddc84d1a3f62509a8af6ca50aad7a8671f6a'
# '0e9631fdad5efa3fd7a95b59171f5d15420d10aa61748b920cc994ee9227915c'
# 'e6b8345215eb0c595cadfd6b1abb3a12a1cad8b8b1f3528e6affc58900695215'
# 'bf53a9712aada73dbecb45516bf932b52e7b8debf25cf19294adbfcc54d80028')
#My MODIFIED HAshes
md5sums=('ee857ec52fe3c7a047a282cfc5587d07'
'68cf02788491c6e846729b2f2913bf79'
'5e68cabfcf3c021806b326f664ac505e'
'63eee2d1da3b43c9d604f2253f242f40'
'bd5db57c23c72a02a489592644f18995'
'9e461e5fc73b241d68d08be908405a5e'
'df6fde73c9fdb38245f50b9b5bb09024'
'9587e0e6da42c883e34a46ee35cc3b7d')
# Don't use normal _hgroot/_hgrepo, we don't want Pacman automagically changing the pkgver.
_ff_hgroot="http://hg.mozilla.org/projects/electrolysis"
build() {
msg "* Note: If the build fails, try again, try without jemalloc PGO, and try *"
msg "* without PGO at all. Also, try with 'potential-pgo-fix.patch'. PGO can be *"
msg "* temperamental -- it can sometimes take two or three builds before you'll *"
msg "* get a good one. *"
sleep 15
cd "$srcdir"
# It can take a long time to re-fetch the Mozilla source...
# The commented lines are for use by experienced users who build often.
hg clone "$_ff_hgroot/mozilla-$_mozver" "mozilla-$_mozver" || return 1
# tar xf "$startdir/mozilla-$_mozver.tar.gz" || return 1
cd "mozilla-$_mozver"
# hg pull || return 1
# hg update || return 1
# cd ..
# tar czf "$startdir/mozilla-$_mozver.tar.gz" "mozilla-$_mozver" || return 1
# cd "mozilla-$_mozver"
# hg up "$_workingrev" || return 1 # Comment out this line to use the untested latest source.
cp "$srcdir/mozconfig" .mozconfig || return 1
# Don't strip if the user doesn't want to... ;p
if [ "$(check_option strip)" = "n" ]; then
sed -i 's/--enable-strip/--disable-strip/' \
.mozconfig || return 1
sed -i 's/--enable-install-strip/--disable-install-strip/' \
.mozconfig || return 1
fi
if [ "$_soundsystem" = "oss" ]; then
msg "Using OSS instead of ALSA."
sed -i 's/sydney_audio_alsa/sydney_audio_oss/' \
media/libsydneyaudio/src/Makefile.in || return 1
# Get rid of ALSA config system stuff (requires autoconf rerun)
sed -i '/alsa\//d' config/system-headers || return 1
sed -i '/alsa\//d' js/src/config/system-headers || return 1
sed -i '/LIB(asound/d' configure.in || return 1
fi
msg "Patching source."
msg "Patches from main Arch xulrunner/firefox packages..."
# Fix stub launcher - Arch
patch -Np0 -i "$srcdir"/fix-mozilla-launcher.patch || return 1
# Use LANG environment variable to choose locale
patch -Np1 -i "$srcdir"/mozilla-firefox-1.0-lang.patch || return 1
msg "Patches from this package..."
# PGO compilation LDFLAGS fix
patch -Np1 -i "$srcdir"/ldflags-namespec.patch || return 1
# Enable experimental PGO for jemalloc (speed).
# See Mozilla bugs #418866 and #419470.
patch -Np0 -i "$srcdir"/jemalloc-enable-pgo.patch || return 1
# Sometimes necessary for PGO build to work, especially when PGO compile
# aborts with an error about control sum mismatch (thx to methuselah!)
# patch -Np1 -i "$srcdir/potential-pgo-fix.patch" || return 1
msg "Setting up build."
# Changing the user's optimization flags is justified, because this is
# a package specifically for an optimized software build, and because of
# the official branding, binaries can't be redistributed anyways.
# These flags just set guidelines for the build, they are overridden in
# most compile job pieces by Firefox's better judgement.
#export CFLAGS="-march=native -O2 -pipe"
#export CXXFLAGS="-march=native -O2 -pipe"
export CFLAGS="-march=i686 -mtune=pentium4 -O2 -pipe -fomit-frame-pointer"
export CXXFLAGS="-march=i686 -mtune=pentium4 -O2 -pipe -fomit-frame-pointer"
# The hash-style and as-needed flags are in Arch defaults anyways,
# and the other optimization falgs are almost definitely safe.
export LDFLAGS="-Wl,-rpath,/opt/lib/firefox-$_prever -Wl,-O1,--sort-common,--hash-style=gnu,--as-needed"
autoconf-2.13 || return 1
msg "Actual build."
# Yes, all this is SMP. MOZ_MAKE_FLAGS takes care of it.
# Compile a non-PGO build first to reduce chance of error in PGO build.
make -j1 -f client.mk build MOZ_MAKE_FLAGS="$MAKEFLAGS" || return 1
# Comment out remaining lines for a non-PGO build.
msg "Profiled build now."
# Don't let PGO disrupt the user, use a virtual framebuffer.
LD_PRELOAD="" /usr/bin/Xvfb -nolisten tcp -extension GLX :99 &
XPID=$!
DISPLAY=:99 LD_PRELOAD="" make -j1 -f client.mk profiledbuild \
MOZ_MAKE_FLAGS="$MAKEFLAGS" || return 1
kill -9 $XPID
package() {
cd "$srcdir/mozilla-$_mozver"
make -j1 DESTDIR="$pkgdir" -C ff-pgo install || return 1
# install -Dm644 "$srcdir/mozilla-$_mozver/other-licenses/branding/firefox/mozicon128.png" \
# "$pkgdir/usr/share/pixmaps/firefox.png" || return 1
# install -Dm644 "$srcdir/firefox--minefield-smp.desktop" \
# "$pkgdir/usr/share/applications/firefox-minefield-smp.desktop" || return 1
# install -Dm644 "$srcdir/firefox-safe-minefield-smp.desktop" \
# "$pkgdir/usr/share/applications/firefox-safe-minefield-smp.desktop" \
# || return 1
# Remove devel stuff.
rm -rf "$pkgdir/usr/include/"
rm -rf "$pkgdir/usr/lib/firefox-devel-$_prever/"
rm -rf "$pkgdir/usr/share/idl/"
mozconfig:
ac_add_options --enable-application=browser
mk_add_options MOZ_CO_PROJECT=browser
ac_add_options --prefix=/opt --libdir=/opt/lib
## System libs are preferred
ac_add_options --with-system-nss --with-system-jpeg --with-pthread
ac_add_options --with-system-zlib --with-system-libpng --with-system-bz2
ac_add_options --enable-system-cairo --with-system-hunspell --with-system-sqlite
ac_add_options --with-system-nspr
## GNU/Linux stuff
ac_add_options --disable-installer --disable-updater
ac_add_options --enable-official-branding
ac_add_options --enable-startup-notification
## Optimize
ac_add_options --disable-pedantic --enable-jemalloc --enable-xterm-updates
### Reverse these lines (enable vs disable) for a debug build
ac_add_options --enable-optimize --disable-debug --disable-tests
ac_add_options --enable-profile-guided-optimization
ac_add_options --enable-strip --enable-install-strip
## Edit these as you see fit
ac_add_options --disable-crashreporter --disable-parental-controls
ac_add_options --enable-printing --enable-xinerama
# Sane settings include cairo-gtk2-df, cairo-gtk2, and cairo-qt.
ac_add_options --enable-default-toolkit=cairo-gtk2
ac_add_options --enable-places --enable-svg --enable-pango --enable-canvas
ac_add_options --enable-smil --disable-java-xpcom --enable-canvas3d
# This is disabled in order to speed Firefox up, it prevents checking Google
# for every single URL Firefox processes. If you're using this package, it's likely you already
# know enough to be safe online, or are paranoid (perhaps with reason) about
# Google getting your URLs. Also, this is GNU/Linux, we have somewhat less to fear ;-)
ac_add_options --disable-safe-browsing
mk_add_options MOZ_OBJDIR=@TOPSRCDIR@/ff-pgo
mk_add_options PROFILE_GEN_SCRIPT='$(PYTHON) $(MOZ_OBJDIR)/_profile/pgo/profileserver.py'
export BUILD_OFFICIAL=1
export MOZILLA_OFFICIAL=1
mk_add_options BUILD_OFFICIAL=1
mk_add_options MOZILLA_OFFICIAL=1
# Want to change the compiler?
#export CC='gcc-4.5'
#export CXX='g++-4.5'
^ A dirty hack to download the latest nightly of the electrolysis tree, pgo optimized for an intel i686 P4 (not native to get around the seg fault bug). I just commented out the .desktop files as well as the icon for now. Also the conflicts and provides section have merely been commented out. The goal is to have this work independently from the standard firefox allowing me to run both on the system at the same time.
Anyone see anything that I have missed and could fix as far as doing the separate install in /opt using makepkg and the pkgbuild? I've been using arch less than a month and this is the first I've really hacked with a PKGBUILD and mozconfig so I feel I could really use the help. Any insight appreciated greatly.
Last edited by davidm (2010-02-08 15:25:49)

Hacking iPhoto, running multiple instances of iPhoto at the same time.

Inspired by Locking Photo Album ... I'm looking for a way to open two iPhoto library folders simultaneously.
1. Copy iPhoto
2. edit /Applications/iPhoto.app/Contents/Info.plist
CFBundleIdentifier com.apple.The Second iPhototo obtain a second preference file
3. Configure iPhoto 1 to use the first library and iPhoto 2 accordingly.
Unfortunately, iPhoto prevents you from launching two apps at the same time:
Caution: iPhoto is already running, Only one copy can be running at a time.
So how can we disable that kind of limitation?
Launching /Applications/iPhoto.app/Contents/MacOS/iPhoto via Terminal doesn't work either.
Thanks in advance!

well it is possible, and it is the best solution, but as a side note, to get X applications running as another user you need to:
userthatisrrunningX@myhost ~ xhost +localhost
otheruser@myhost ~ kopete
if you want to run something as root the prefered way to do this in kde is to use kdesu..

Running two version of BEA on the same box

Can we run both 6.1 and 8.1 on the same box using the same license?
          Also Is it possible to take a backup of existing verions which is 6.1 and install weblogic 8.1 and if something goes wrong revert back to the backup state


Imran Naqvi wrote:
          > Can we run both 6.1 and 8.1 on the same box using the same license?
          >
          Same box, yes. Same license, no.
          > Also Is it possible to take a backup of existing verions which is 6.1 and install weblogic 8.1 and if something goes wrong revert back to the backup state
          Sorry this question makes no sense to me. What exactly are you trying
          to accomplish?
          ~Ryan Upton

How can I run both versions of Firefox at the same time?

Alright, so I decided to install the Firefox 4 beta 3 as a test sort of thing. But now it's set as the default browser, and, no matter what I do, I can't switch back to the old one! I can't use any of my old add-ons now!

If you are want to test pre-release versions of Fiefox it is best to use a different profile for each version, and then create shortcuts to launch Firefox using the correct profile for each version. Firefox store user data in profiles, pre-release versions of Firefox can make changes to the profile that cause it not to work in older versions of Firefox.
Some articles that can help you from the MozillaZine knowledge base:
* [http://kb.mozillazine.org/Creating_a_new_Firefox_profile_on_Windows Creating a new Firefox profile on Windows]
* [http://kb.mozillazine.org/Shortcut_to_a_specific_profile Shortcut to a specific profile]
* [http://kb.mozillazine.org/Starting_your_Mozilla_application_with_a_specified_profile Starting your Mozilla application with a specified profile]
Some further background reading:
* [http://kb.mozillazine.org/Testing_pre-release_versions Testing pre-release versions]
* [http://kb.mozillazine.org/Using_multiple_profiles_-_Firefox Using multiple profiles]

Can multiple libraries be sync to the same iPod?

As I start upload songs to iTunes library, quite quickly it has increased to 4 GB with the library big enough to use the side scroll bar. I guess we can have multiple libraries in iTunes in the same computer. But can multiple libraries be sync to the same iPod? i.e. Can I see more than one library in the ipod?
I find it uneasy to see too many entries in the library all the time. There is no way to make it invisible, hence this question.

If you want to connect and use an iPod with more than one library (or more than one computer) you need to change the update preference in the iPod Summary tab to "Manually manage music and videos" and click Apply. The content of iTunes and the iPod are not syncronised in this mode so the two can be different. You can directly access the content of the iPod and play it through iTunes and you can drag and drop whatever you want to the iPod from either library:
Using iPod with Multiple computers
Managing content manually on iPod
Syncing Music to iPod
Using multiple iTunes libraries -Mac
Something else to be aware of when using an iPod in manual mode is that the "Do Not Disconnect" message will remain on the display until you physically eject the device: Safely Disconnect IPod

After I download Itunes, when trying to sync Ipod, message says "needs newer version of mobile support, uninstall Itunes, and reinstall Itunes, and the same process starts all over again. why is that?

after I download Itunes, when trying to sync Ipod, message says "needs newer version of mobile support, uninstall Itunes, and reinstall Itunes, and the same process starts all over again. why is that?

Try removing and then reinstalling the Apple software using these instructions.
Removing and reinstalling iTunes, QuickTime, and other software components for Windows Vista or Windows 7
The above containes a link for XP. Also. make sure you install the correct Apple software, It comes in 32 and 64 bit and you need the one that is the same as the computer OS

I downloaded the lates version of iTunes. Now, every icon on my desktop now is the iTunes icon and will only launch iTunes. The same is true with almost everything in "All Programs" from my start menu. Uninstalling brought desktop back to normal.

After upgrading to the latest version of iTunes, it changed all desktop icons to the iTunes icon and will only launch iTunes. I uninstalled and reinstalled iTunes and the same problem occured. Help.

Yes i've tried all of that. I've turned it all the way on and off and erased all of my music and put it back on and nothing works. And with the breaking up CDs and putting into compilation categories i have already fixed all of that stuff. It's fine it just doesn't show up in the list of artists. I can find the album in the songs category and the albums category it's just it doesn't show tha name of the artist. All of the other albums that i downloaded before i updated my itunes to th most recent update are fine. It's just the two that i downloaded afterwards. Thanks for trying though.

I downloaded the Windows 64-bit version of iTunes, but the application won't run. It comes up with Apple Application Support - Error 2. How can I fix this?

I downloaded the Windows 64-bit version of iTunes, but the application won't run. It comes up with Apple Application Support - Error 2. How can I fix this? I have uninstalled and reinstalled it several times and it still doesn't work.

What computer do you have? is it 32 or 64 bit operating system?

Running multiple versions of iTunes on the same PC?

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