APLawrence.com -  Resources for Unix and Linux Systems, Bloggers and the self-employed

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A.P. Lawrence provides support, installation and trouble-shooting for SCO Unix and Linux systems. See Services for details.

I also sell and support Kerio Connect Mailserver and other Kerio products( Kerio Control firewall, Kerio Workspace, Kerio Operator).


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If you get voice mail, keep in mind that sometimes (rarely, but it does happen) these systems fail, and I may not get your message. If you don't hear from me in a reasonable time, try again. If it's really urgent, leave more messages, or send a fax, send email, send smoke signals : I'd rather hear the same thing three times then never at all.

After hours and weekends are not guaranteed any response without prior arrangements. Messages are checked on weekends, but not frequently. If you know that you may need phone assistance at a particular time, let me know ahead of time and we can make more efficient arrangements.

Note that the post office is quite anal about the address being EXACTLY in that format.

Email is the preferred method of communication, unless it is urgent. I DON'T want faxes unless there is no other way to do it.


Yes, consultants are expensive. I'm more expensive than some, less expensive than others. Keep in mind that decades of experience often lets me solve problems much more quickly than people with less time under their belt. Often I can fix a problem in minutes that other people may have been trying to fix for days.

Current Rates


I've been involved with small computers since 1977, and with Unix since 1981. I've learned a few things along the way.



These bits of paper are important to some folk.


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This is a Unix/Linux resource website. It contains technical articles about Unix, Linux and general computing related subjects, opinion, news, help files, how-to's, tutorials and more.

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Many of the products and books I review are things I purchased for my own use. Some were given to me specifically for the purpose of reviewing them. I resell or can earn commissions from the sale of some of these items. Links within these pages may be affiliate links that pay me for referring you to them. That's mostly insignificant amounts of money; whenever it is not I have made my relationship plain. I also may own stock in companies mentioned here. If you have any question, please do feel free to contact me.

I am a Kerio reseller. Articles here related to Kerio products reflect my honest opinion, but I do have an obvious interest in selling those products also.

Specific links that take you to pages that allow you to purchase the item I reviewed are very likely to pay me a commission. Many of the books I review were given to me by the publishers specifically for the purpose of writing a review. These gifts and referral fees do not affect my opinions; I often give bad reviews anyway.

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