Microsoft Vista is now out, the next version of Windows, successor to XP. While Windows XP will continue to receive updates into 2014 there are many that might be eager to upgrade and move to the latest greatest. (Note to those: Service Pack one may be en route THIS calendar year, so unless you like to bleed on the edge…. you MIGHT hold off until that’s out.) But those that do look at getting Vista are met with a dizzying array of choices.
Category: Windows
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Extended support for XP Home and Media center
I want to make a note of this here… Microsoft has announced that XP Home and Media center editions will get extended support on par with that of XP Pro. Essentially this means security updates for these versions of the OS should be available until 2014. Previously support for XP Home was to have ended as soon as December 2006, but was then extended modestly until after the release of Vista. The “Home” oriented products weren’t given the same length of support as the “Professional” or Business class products at that time. This announcement puts the two versions of XP on par with Pro.
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Vista Upgrade version requirements…
In the past when installing an upgrade version of Windows it meant having your original disk handy to prove that you were REALLY eligible for an upgrade license. What this meant is that if you wanted to follow the advice of MOST in the TECH community you could do a clean install. That’s right, wipe the disc and start from scratch, provide the disks when asked and then the installer would be on it’s way. Well, sorry, the joy is over. (Actually… there wasn’t a whole lot of JOY in it… but… it’s now worse.) Now, with Vista, it is required that you have the previous version of Windows that you are upgrading installed on the disk.
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Internet Explorer 7 on linux
Haven’t had the chance to try this one firsthand yet, although I’ve been watching for this. You may be familiar with ies4linux which is a script that uses wine to download/install multiple versions of Internet Explorer on a linux install. (But why oh why would you do this?) For many that do web design it’s a tremendously good idea to test what a website looks like in multiple browsers because they all have their own unique …. quirks. Of course, there are other reasons…. sites that refuse to work with anything but IE. (Blue Cross/Blue Shield for instance has some web apps that will not work with anything else.)
Well… now Internet Explorer 7 is supported by ies4linux….
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Microsoft October 2006 patch Tuesday
The first thing I should mention is that this months update from Microsoft is the last for XP SP1 users should plan a migration path to SP2 to keep getting updates to XP. Multiple vulnerabilities this month have been patched in Office There are 4 advisories, but a total of 15 issues covered by those four. Powerpoint, Excel, Word and Office/Publisher there are a variety of exploits, some public (like the powerpoint) others that were privately reported. Also, Incidents.org gives a nice summary of the advisories and the severity of each (urgency of updating.) The setslice vulnerability is patched in this batch by the way.
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NTFS cloning
Sometimes drives just go bad. Surprise. One recent fresh install of Windows XP had started having real stability problems. On running a chkdsk and looking at the event viewer, it was fairly clear that 16KB of bad sectors and the disk problems had likely been the problem (lots of disk and atapi errors in the system log. Mostly disk error during paging operation (swap filing)) So…. I looked at cloning the drive using dd_rescue. All went well and the new system booted up on the new identically sized drive. In fact EVERYTHING was fine except chkdsk still reported 16KB of bat sectors….
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Remote tech support with anything – would I do it?
I’ve tried to ask myself if I’d trust someone enough to let them run a remote session on my own desktop to solve a problem. I think the answer is “it depends”. If you think about it, I do tech support for home users quite a bit and they let me come into their homes. If I were weighing someone coming into my house, or onto my computer desktop, I think I’d choose my desktop. …
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The security of remote tech support (ultravnc sc or x11vnc with wrapper script)
Well, I’ve got a nice way of doing “easy” one click (or one cut and paste) light desktop support for windows or linux, one uses ultravnc sc, the other uses x11vnc with a special wrapper script. So, what security flaws are there in this process? Well, for starters, I see the biggest vulnerability for the computer running the listening vncviewer (because it HAS to be available to the outside world.) That means the tech support desk must keep on top of vncviewer updates and keep the service turned off when not expecting a client connection. The other question that comes to mind is encryption though….
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A closer look at x11vnc
I’ve got to say, one of the things I really like about linux are the myriad of options for remotely administering a system. SSH is the one I use the most, but for the graphical you have x (especially on the LAN), nxserver (which is a compressed and optionally encrypted wrapper of the X protocol….), vnc can be used, although as I’ve noted in the prior articles one problem with either nxserver, X or vnc is that you can’t by default connect to a running X session. x0rfbserver CAN, but only if a user is logged in (as far as I know….) I found an interesting trick with x11vnc that let’s you run it even if the system is at the greeter. (the login screen for X).
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x11vnc recompiled to be as widely compatible as possible…
As I said in the earlier posts, I was essentially looking for a “Single click” solution for linux VNC remote desktop support. A solution that doesn’t require the remote support client to change firewall settings, install software, etc. What I’ve settled on is closer to a single cut and paste solution, which is fairly simple. The next problem I had was compatibility of the x11vnc binary. The first problem was the xfixes library not being a part of Mandrake 10.0, then xdamage, xrender, xrandr – none of those libraries were found… so, I started looking at the compile options for x11vnc (and the optimization, because I wanted a smaller file size.)