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Allow time zone changes in 10.1 System
Upon upgrading from OS X 10.0.4 to OS X 10.1 some users might experience that they can't set the time zone. The fix is to open a terminal and type:
sudo rm /var/db/TimeZone.cache
Then log out and log back in and you should be able to change your time zone.

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Accessing SMB/Windows Shares from 10.1 Network
10.1 claims to be able to access Windows (aka Samba) shares through Finder. It does, but getting it to work is not obvious. According to a KnowledgeBase article, you do "Connect to Server.." in finder and enter a URL of the form:


Two things to note:
  1. The actual url might require a username, in the form of:


    where Username is a user that can log into the box.

  2. You cannot access shares that require Microsoft's Active Directory Service for authentication (as far as I have been told). It seems that this requires a different kind of password encryption not supported by OS X
I have not been able to determine how to do the mount on the command line, but it is probably done via the mount command as normal in unix with smbfs as the filesystem type.
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Enabling PHP in 10.1 UNIX
Apple has included PHP 4.06 in OS X 10.1. Stepwise has the instructions necessary to make it functional - just uncomment the following four lines in /etc/httpd/httpd.conf:
LoadModule php4_module        libexec/httpd/
AddModule mod_php4.c
AddType application/x-httpd-php .php
AddType application/x-httpd-php-source .phps
Stepwise has a nice page of info on changes in 10.1 that covers this and other aspects of the upgrade; give it a visit to see some things to keep in mind as you upgrade.
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Installing MultiZilla for Mozilla 0.94+ Web Browsers
Yesterday's hint about using tabs in the newest Mozilla references a package known as MultiZilla. In the original hint, I mentioned that I had not tried to install it yet. Last night, I did so (successfully) on the nightly Mozilla build from 9/26.

Although the latest nightly build includes basic tab support, it's nothing like the full feature set in MultiZilla. Once installed, you get new contextual menu options for "Open Link in New Tab" and "Load Link in Background Tab", both of which make browsing a much more productive experience. You can also choose the top or bottom of the window for your tabs, and tweak a number of other settings.

If you'd like a quick how-to on installing MultiZilla for Mozilla on OS X, read the rest of this article.
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Things to watch for when upgrading to 10.1 Install
When you upgrade from 10.0.4 to 10.1 using the CD, there are a few things that may occur:

1) Your Internet Explorer and Late Breaking News icons will turn into question marks (meaning they are now referencing obsolete pointers). You can just drag these off to the desktop to erase them, and drag the new Internet Explorer 5.1 icon from Applications onto the dock. <confirmed by Apple Support>

2) The Preferences for Address Book becomes grayed-out and inaccessible. Moving/deleting the old plist and restarting the application to create a new one doesn't solve this problem. <confirmed by Apple Support>

3) I have been unable to compile anything since the upgrade (compiling main(){return(0);} errors with "/usr/bin/ld: /usr/lib/libSystem.dylib load command 6 unknown cmd field") <under investigation by Apple Support>

Note: at this moment the new Developer Tools CD will only be available to people who pay their $20 or buy a 10.1 package after Saturday {i.e., not for free giveaway in stores} and is currently unavailable for download -- I only had the old Developer Tools installed before the upgrade.
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SSH 'version mismatch' error and fix in 10.1 UNIX
If you installed your own version of SSH (particulary using instructions from Stepwise) under 10.0.4, you may get an error such as this

OpenSSL version mismatch. Built against 90581f, you have 90602f

when you try to use SSH in 10.1. Stepwise has the solution in the form of a "SSHCleanup.command" shell script; click here to view the script's contents. To use it, copy and paste the text into a new text file and name it "ssh-cleanup.command". Save the file (in pure text format), then open a terminal and type sudo sh ssh-cleanup.command in the directory where you saved the file.

This should fix your SSH problems in 10.1. Thanks to Peter H. for finding both the error and the solution.
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Browse the web tab-style with Mozilla! Web Browsers
The latest builds of Mozilla have enabled a very cool feature - tabbed web site browsing. The concept is quite similar to Excel, wherein multiple worksheets are displayed in one workspace, and are chosen for display by clicking on a tab at the bottom of the window. Mozilla now offers that very same feature for browsing the web. It's an excellent idea, especially for those on smaller screens where windows can quickly proliferate and get lost. Now you can do all your browsing in one main window.

To create a tab, simply hit control-T (not command-T!). Once created, click on a tab to activate it. Switching among the tabbed pages is nearly instantaneous. You can even switch tabs while loading a page in one tab; Mozilla treats each tab as an independent window, so that multiple tabs can all be loading simultaneously. To delete a tab, simply close the window it's displaying (using the "X" at the right edge of the row of tabs).

This functionality in Mozilla is a small subset of a third-party product called MultiZilla, which has many additional features. It should be possible to get this running on Mozilla on OS X, but I haven't tried as of yet. To try out tabbed browsing, you'll need to get the latest nightly build for OS X, as tabs are not in the latest milestone (0.94) release.
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Web sharing and mod_hfs in 10.1 UNIX
Some users have reported problems when they try to enable Web Sharing (which launches the Apache web server) in OS X 10.1. The issue is apparently related to the "mod_hfs_apple" file, which Apple created to work around an HFS-related security hole.

You can either disable mod_hfs until Apple fixes this (not recommended due to the security issues) or patch it, thanks to Stepwise. The disabling instructions are in the remainder of this article. To patch it, simply do the following in a terminal session:
cd /tmp
curl -O
sudo tar -xzf mod_hfs_apple.tgz -C /
Make sure you stop Apache and restart it after the change. These commands install the new mod_hfs module from the Developer Tools, which are not yet publicly released.
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Installing 'wget' on 10.1 UNIX
Apple has removed 'wget' from OS X 10.1, apparently due to GPL (the Gnu Public License) issues. This is a most handy command, as it can download files and web pages from the command line over an SSH connection. I use it regularly to start large downloads at home while I'm at work.

To replace 'wget', you can download it from one of the GNU software mirror sites (it's in the 'wget' directory) and compile it yourself (this will require the Developer Tools to be installed). Once you've downloaded and expanded the archive, simply "cd" to that directory and type "sudo make install" to install the new 'wget'.

Once I've received my Dev Tools CD, I'll make a pre-compiled version available on my home page.
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S-video and Mac OS X 10.1 upgrade Install
Upon trying to run the 10.1 upgrade CD, I found that after following through the appropriate steps (giving it the administrative password, letting it restart and seek through the CD many times while on a grey screen) the screen eventually went to blue, and just stayed there. After the initial panic, it turns out the installation screen was being sent to the TV over the S-video cable I had left connected. Why it chose to place this screen on this secondary monitor is confusing.

To avoid this problem, make sure the S-video cable is disconnected during your Mac OS X 10.1 upgrade.

On a related note, the new 10.1 has a screen saver -- which for me only appears also on the TV if the S-video connector is attached. In configuring the dual monitor, I have made sure the menu bar is at the top of the 'primary' monitor, and that the monitors are not mirrored. If I select a background image, for example, it only appears on the 'primary' screen. My desktop and dock are on the 'primary' monitor. Yet my mouse seems to start in the TV screen when S-video is attached.

How does one move the screen saver to the 'primary monitor', and set backgrounds for the 'secondary monitor', since there are no setting for monitors in either of these control panels?
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