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No clobber scp - scp without overwriting Although you usually want scp to update files, there are times when you definitely do not. I wrote this script to avoid overwriting existing files.

Title	Date	Comments
Using Windows 8 in Parallels Desktop Mobile	2012 10
- Knowing some keyboard shortcuts can help in using Windows 8 through the Parallels Mobile app. Too bad there are so many to memorize! -
Windows 8 in Parallels Desktop	2012 10
- Yesterday I upgraded my old Vista virtual machine to Windows 8. It was inexpensive, painless and surprisingly quick. -
Early reminders for first Monday of month events	2012 10
- I kept forgetting to send our club meeting notices to the newsletter. Google Calendar couldn't help me, so I wrote this script. -
Debugging a Mountain Lion slowdown	2012 10	2013/05/20 TonyLawrence
- I've had some performance issues since upgrading to Mountain Lion and have written some code to try to catch the problem as it happens. -
VMware Fusion vs. Parallels Desktop	2012 10	2012/10/17 BruceGarlock
- Similarly priced, and VMware does have the advantage in premade machines, but I like Parallels better. -
Here files (shell scripting)	2012 10	2012/10/09 TonyLawrence
- Once again, I've been bitten by not having read the manual recently. This bite really annoyed me. -
No clobber scp - scp without overwriting	2012 10	2012/10/07 TonyLawrence
- Although you usually want scp to update files, there are times when you definitely do not. I wrote this script to avoid overwriting existing files. -
Kerio Connect and Apple Open Directory Part 3	2012 09	2012/10/23 TonyLawrence
- As I started to investigate the slapd.conf on the Mountain Lion Open Directory, it seemed to me that it could not be working - but it was! -
Kerio Connect and Apple Open Directory Part 2	2012 09	2012/10/11 TonyLawrence
- Apple Open Directory seems like a fickle beast to me. I expect I'll tame it eventually, but right now it has me cowering in a corner screaming for help. -
Mountain Lion Server in Parallels Desktop	2012 09	2012/09/21 TonyLawrence
- I needed to do some testing with Mountain Lion Server but didn't want to upgrade my main desktop. Parallels virtualization gave me what I needed. -
Kerio Connect Mail Server Configuration Guide	2012 09
- Important things to know about Kerio Connect Mail Server configuration. Don't miss these settings and features! -
Avast Free Antivirus for Mac	2012 05	2012/05/30 NickBarron
- Will someone please make decent malware/antivirus protection for Macs? I'd hope that Apple would be smart enough to do that itself, but so far they seem uninterested and that leaves me feeling worried. -





Kerio Troubleshooting	2012 05
- There are only a very few things that will completely prevent Kerio Mailserver from starting. Usually this would come from a confused or mangled configuration file, but there are other conditions that can cause Kerio to refuse to start. -
Where is the boing? (Mac scheduled startup)	2012 03	2012/04/23 anonymous
- I first noticed the missing Mac startup chime a few weeks ago. It seemed very odd that if I rebooted, the chime did work - it was only the first boot of the day when it did not "boing". Starting up took too long also - something was wrong, but what? -
iPad recovery mode problem caused by bad backup	2012 03	2012/03/12 TonyLawrence
- When my iPad started crashing Thursday night, it looked like bad hardware. I was even more sure of that when I tried to recover from a backup and it crashed doing that. I took it to the Genius Bar and they agreed, but we all were wrong. -
Simple outgoing email for SCO Unix (and Linux)	2012 02	2013/05/22 rblake
- Configuring MMDF or Sendmail on SCO Unix was never fun and it only gets worse as fewer people care about any of it. Here is a simple fix for scripted outgoing email -
OS X 10.8 Mountain Lion	2012 02	2012/02/21 BrettLegree
- When will they quit these dumb cat names? Anyway, Apple, you did good in dropping the price of Lion, but you screwed up on the performance side -
Exploring Apple Document versions	2011 11
- When I made the switch, I of course had files under the old account. Some were things I knew I'd need immediately, so I copied them to the new account and changed permissions. Others were things I might need, but then again I might not. What to do about those? -
Kerio Connect Mailserver version 7.3	2011 11
- Kerio Connect Mailserver version 7.3 is scheduled for release in early November 2011 and adds important features, including a few that I suggested and lobbied for earlier. -
Chrome Mouse Gestures in OS X Lion and the Ghost Arrow	2011 11
- One of the things that you can do is swipe left or right (one finger swipe) to move between pages you have visited in Safari. Even if you'd never read about gestures, you'd be likely to figure that one out because Safari animates the acyion and begins to slide the other page in as you start the swipe. As it's easy enough to accidentally start a small swipe, you'll notice this. -
Is Microsoft about to shoot itself in the foot (or even its head) with Windows 8?	2011 09	2011/09/30 RonCam
- That's a serious question. I don't claim to have an answer, of course, but I do think the answer very well could be 'Yes'. Windows 7 was released in October of 2009 and supposedly Windows 8 ('the biggest overhaul since Windows 95', according to some) will be coming out in 2012. That's just three years - well, six if you count poor Vista as a precursor to Windows 7. To a slightly befuddled consumer who has heard all about the growing pains of Vista and the peripheral and application incompatibilities that still vex Win 7 to at least some degree, it might look like Microsoft is throwing out a botched attempt too replace XP and is trying again with Windows 8. -
New 21.5 inch iMac review	2011 09	2011/09/12 NickBarron
- I could replace the MacBook Pro (or buy the MacBook Air), but my iPad answers 99% of my portability needs - I felt that either a Mac Mini or an iMac would be better. After hemming and hawing this way and that, I decided to go with the 21.5 inch iMac. It has more memory expansion, and more raw cpu. -
Death of the command line revisited	2011 09	2011/09/10 TonyLawrence
- Five years ago I wrote a little blurb called Death of the command line. As it happened, that article was misunderstood by many who read it - I don't know if it was my fault or theirs, but somehow many readers ended up thinking I was either predicting the demise of CLI's (Command Line Interfaces) or hoping for that demise or both. Nothing could have been farther from the truth. I remain a big fan of CLI's and use them daily. And yet, just five years later and still at risk of angering yet another batch of folk who won't read carefully, I'm going to suggest that predicting the death of the CLI may not be such a bad bet after all. -
10 things - no, 11 things - you say that drive your computer tech person crazy	2011 08	2011/09/20 anonymous
- Yes, of course people sometimes say or do silly things, even outright stupid things. We all do. Look me straight in the eye and tell me you have never done anything like that with a computer and I'll look you straight in the eye and tell you the same thing and then we'll both try not to laugh. -
Switching to Mac OS X - quick tips for new users	2011 08
- First thing, understand that I'm not going to try to convince to to switch. I f you are stuck in the world of Microsoft, I feel sorry for you, but making you understand that you should switch is not my purpose today. This article is just quick tips for those who have decided to switch. -
Basic Home Networking, Part 3, File and Printer Sharing	2011 08
- The point of a computer network is sharing. You might not be sharing much, perhaps even only the Internet connection. If that's the end of it, you don't need much more than part one of this series, which deals with the setup of a basic small network. -
A few minor iPad set up problems baffle my neighbor	2011 08	2011/08/28 anonymous
- A neighbor took advantage of MA's recent tax free weekend and bought an iPad. He'd seen mine and his daughter had shown off hers the last time she had visited, so he had a pretty good idea of why he wanted it. Unfortunately, his initial experience was frustrating. -
Basic Home Networking - Part 2, wireless setup	2011 08
- Often all that needs to be done is to tell your computer that you want to connect to a wireless network. It's not always that easy, but it certainly can be. However, even if it is that easy for you, you might still want to read the rest of this in case you have problems later. You also might want to read it because being "too easy" to get connected could mean that you are running some security risk and need to address that issue. -
Basic Home Networking - routers and switches	2011 08	2011/08/16 BigDumbDinosaur
- Setting up a small office or home network used to be a fairly complicated task. Aside from the technical knowledge needed, there was expensive equipment to buy and specialized tools for wiring. That's all changed - the necessary equipment is cheap and readily available and it's all very easy to configu re. -
A non-technical guide to understanding and fixing TCP/IP problems on a network	2011 08	2011/08/14 BigDumbDinosaur
- The title is a bit incorrect in the .non-technical. claim, because we are dealing with a geekish subject here and I can't avoid being a little "techie". -
Brother MFC-J615W printer	2011 08
- I have never been a fan of inkjet printers. In fact. my general advice has been not to buy them because hey are far more expensive to operate than laser printer. These multifunction things have even more to dislike: if you lose part of the functionality, you are going to lose it all while it is out for repair. -
123D Sculpt from Autodesk - cool!	2011 08
- This is a 3D drawing app. More to the point, it's a 3D drawing app for people like me who have no artistic talent at all. It makes every other drawing/sketching tool I have look really, really lame. -
Is Linux becoming insignificant?	2011 08	2011/08/20 TonyLawrence
- How many Linux items have I read? Well, my Linux readers won't like this, because it's just 28. -
Maybe Android should be strangled?	2011 08	2011/08/15 TonyLawrence
- I don't like to see Apple controlling too much. This patent set back isn't just about tablet computers; it touches Android cell phones also. If Apple continues to win court cases on this, Android devices - tablets and phones - will either become much more clumsy (perhaps effectively useless) or will become more expensive because of royalties demanded by Apple. This could put people out of business if Apple gets really greedy -
Google-plus false iPad app disappoints greatly	2011 08	2011/12/10 anonymous
- What we got was what we could have had weeks ago - an iPhone app that is allowed to run on the iPad. -
What does Apple's $29.99 operating system pricing signify?	2011 08	2011/08/06 John
- Much has been made of Apple's new price for its operating system: $29.99 is so close to free that (for many people, at least) it is almost unnoticeable. This low price is often contrasted with Microsoft's rather pricier offering of Windows 7. -
The future is in the essence of the iPad	2011 08	2011/08/09 AndrewSmallshaw
- If we had the iPad ten years ago, there would be no such thing as a 'Personal Computer' today. Businesses would still have expensive servers, of course, but bus -
Joe's computer turns 3	2011 07
- I'm really excited because soon I may get to run Linux! I have been hoping for that for years and had just about given up on the idea when they tried to install Windows 7 on my drive. -
Per-user screen sharing in Lion	2011 06	2011/10/03 TonyLawrence
- There are possibilities for extending the life of older Macs and really exciting possibilities with iPad VNC. -
The Lion roars - did I just yawn?	2011 06	2011/06/10 Sledge
- I thought Lion was really exciting, but that has faded away quickly. The reality is that Lion is not for me. -
Helping my sister-in-law with Gmail	2011 06	2011/06/02 TonyLawrence
- I'd rather send pictures or a move than take control of their computer. They can refer back to what I sent over and over again. -
Tuning Mac OS X for FIOS	2011 05
- Tuning for broadband isn't as easy as you might think. Your usage matters and it matters a lot. -
TinyTERM ITX for Mac	2011 05
- TinyTERM ITX for Mac OS X is somewhat disappointing - the emulation is fine, but it is a poor Mac app. -
Sophos free anti-virus for Mac	2011 05	2011/05/23 TonyLawrence
- Although the main threat to Macs is trojans and malware, not viruses, the common man doesn't distinguish these - they are all the same to most folks. -
Slow Finder when browsing SMB Network Shares in Snow Leopard	2011 04	2012/08/08 anonymous
- Mac OS X finder in Snow Leopard, when bound to Active Directory can be painfully slow at just listing files on a SMB share. -
Mysterious Duplicate IP addresses	2011 04	2011/04/20 TonyLawrence
- Proxyarp on smart switch causes sudden appearance of duplicate ip addresses: All machines on our 192.168.206.x subnet (mostly Mac's, with Windows servers) got the IP conflict message when they started up in the morning. We do have a linux dhcp server running on that subnet, but it only hands out 2 IP addresses for barcode guns, and those are given the IP based on their MAC address, so each barcode gun always gets the same IP and can move to other buildings without reconfiguring them, as they run in dhcp mode. -
Finding Yesterday's Date	2011 04	2012/09/11 TonyLawrence
- How to find yesterday's date on Linux, Mac and any other Unix. -
Murder and mayhem - killing users processes	2011 04	2011/10/28 BigDumbDinosaur
- how to kill all of a specific user's user processes without "killall" - or select a subset to kill -
Slightly Scrambled - unsorting a file	2011 04	2011/04/05 TonyLawrence
- Here is a typical way to approach the problem. It uses Perl's associative arrays and (somewhat ironically) uses -
Snarling Panda site cleanup	2011 03
- The problem is "low value content". That's tough to define absolutely, but some pages here definitely fall into that category -





Smarter HTML Link Extractor	2011 03	2011/07/20 TonyLawrence
- Checking links is not really hard; you can actually do it with just a few lines of Perl. -
Using the shell (Terminal) in Mac OS X	2002 12	2013/01/27 TonyLawrence
- Many Mac OS X users will not have any need to use the Unix shell that underlies their graphical interface. They are missing out. -
Mac OS X Dual Monitors	2008 02	2012/09/21 TonyLawrence
- Dual monitors aren't well done on OS X but can still be very useful. So how do you set up dual monitors on your Mac? Pretty simple: plug it in. -
Mac OS X ipconfig	2006 07	2012/02/26 TonyLawrence
- ipconfig on Mac is not like the Windows command of the same name, but is still very useful. If you momentarily forget where you are at a Mac OS X terminal session, you might type "ipconfig /all" or something equally Windowish. You will get a response: -
Recursive chown	2006 03	2012/08/16 TonyLawrence
- 'chown -R' is smarter than you think. I had email this morning from someone using "chown" to fix up permissions on a directory. He had discovered "-R" in the man page but had run into a small problem... That succesfully changed the ownership of the "dot" files, but had an unexpected (to him) side effect: /usr was also changed. -
Creating pretty graphs with RRDTOOL	2009 08
- The open source rrdtool project helps you create a graphical view of any statistic collected at regular intervals. -
Using Bluetooth phones with Mac OS X	2006 11	2012/01/20 Cyntone
- Transfer pictures from bluetooth phones, difficulties and solutions. Like so many Mac operations, getting pictures from a Bluetooth phone to your Mac is actually very simple once you have done it once. If you've never done it, you may not have a clue where to start, and your phone's manual probably sends you off to get some piece of Windows software that won't help you at all. That's OK: everything you need is already built into your Mac. -
Virtual PC for Mac OS X	2003 07
- This is a review of an ancient Virtual PC product and is only left here for historical purposes. -
OS X ACL usage	2006 07	2011/08/11 AndyCanfield
- ACL use in OS X. The "chown" man page tells you about their usage, but it leaves a little bit out and isn't all that helpful. -