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

Nutrition facts for this website:

Serving Size: 1 or more articles daily
Servings Per Container: 4,042
Calories: None

List of Ingredients:

Articles on the Kerio® Products I sell and support: Mail Servers, Security Firewalls, VOIP Management and Collaboration.

Linux and Unix administration and troubleshooting articles, help and inspiration for freelancers and the self employed, advice on blogging, SEO and earning money on-line.

There is a lot of SCO Unix information here also.

Not a significant source of information concerning Microsoft products. Primary author is an opinionated Mac OS X and Linux Evangelist.

Three low-cost e-books may be purchased as a supplement to this website.


May contain liberal opinion, small dashes of politics and some crankiness as well as the occasional grin. Contains Skill Tests, Unix and Linux Consultant Listings, Book reviews and more.

This site is not recommended for total n00bies or real gurus. N00bies may be overwhelmed and true gurus will be bored.

These statements have been approved by millions of visitors since 1997.

If this site is useful to you, please help others find it:  
Your +1's can help friends, contacts, and others on the web find the best stuff when they search.


A.P. Lawrence sells and supports Kerio® Products: Kerio Connect Mail Server, Control Security Firewalls, Operator VOIP Management and Samepage Collaboration.

We provide nationwide support by phone, email and remote login. All products are available as fully functional demo versions.

Of course we will be happy to assist you with installation and configuration as well as any questions you may have. Please contact us by email ([email protected]) or by phone (774) 213-1199 (7:00 AM to 7:00 PM U.S. Eastern time zone)

Most recent posts:

802.11g/n High Gain USB Wireless G / N Long-Range WiFi Network Adapter

Boosting the signal at our vacation home ..

Networking 2014/07/28 Tony Lawrence
Kerio Troubleshooting January 2014

Looking at some Kerio related troubleshooting/support incidents from last month. ..

Kerio 2014-01-01 Tony Lawrence

Recent Comments

Understanding Kerio Control Content Filtering

It's easy to become confused when adding rules for Kerio Connect content filtering. Here's some basic advice. ..

Kerio 2013-12-18 Tony Lawrence
Protect against unauthorized use with Kerio Connect User Access policies

Kerio Connect User Access policies can help protect you from unauthorized mail use. ..

Kerio 2013-12-12 Tony Lawrence
Linode hosting for Kerio Connect

Using Linode.com for self hosting Kerio Connect mail server or other services. ..

Kerio 2013-11-11 Tony Lawrence
Restoring a lost public folder in Kerio Connect

How to restore a lost public folder in Kerio Connect ..

Kerio 2013-09-18 Tony Lawrence
How to choose a mail server for your small business

Email is close to absolute necessity for any business today. How you handle email is important. Do you want your company to be "[email protected]"? Probably not. ..

Mail 2013-07-24 Tony Lawrence
Is VoIP Telephone service right for you or your business?

From Magic Jack to full blown PBX systems, VoIP is a technology that might save you money and definitely can offer desirable features. ..

Kerio 2013-12-11 Tony Lawrence
Kerio Connect KOFF vs. KOC

Kerio Connect offers two versions of its Outlook Connector, KOC and KOFF. Why would you use one vs. the other? ..

Kerio 2013-07-15 Tony Lawrence
Handling Kerio Connect attachment blocking

If you get a lot of junk attachments but still need some customers to send files, what can you do? Here is a simple solution. ..

Kerio 2013-07-12 Tony Lawrence
The boss lost some email!

Oh, that can't be good! If the boss has lost some of his email, here are your options. ..

Kerio 2014-06-06 Tony Lawrence
Monitoring Kerio Connect for suspicious activity

If you suspect that user's email has been compromised, here is a script that can help. ..

Kerio 2013-07-09 Tony Lawrence
Packet Dump in Kerio Control

Packet Dump used to be a hidden option in Kerio Control and you needed ssh to get the logs or even to remove them. That's no longer the case. ..

Kerio 2013-07-08 Tony Lawrence
IPS in Kerio Control

You may never have even looked at IPS in Kerio Control or ever need to. It's there when you need it, though. ..

Kerio 2013-07-05 Tony Lawrence
DNS Forwarding in Kerio Control

DNS Forwarding in Kerio Control can be pretty powerful stuff. Learn its ins and out here. ..

Kerio 2013-07-04 Tony Lawrence

Older Posts

Unix and Linux Help, Resources and information for Unix/Linux, Mac OS X. Articles on blogging, web site mechanics, and self employment. Thousands of articles, reviews, consultants listings, skills tests, opinion, how-to's, suggestions and more. There is new content frequently, most of it exclusive to this site, and all of it is indexed and cross-referenced to help you find what you need. This is not yet another mirror of the Linux LDP or someone else's Unix FAQs. If you've never been here before, there's a lot to explore.

And yes, we do have paid technical help available also.

Most information published here is copyrighted material and may not be reproduced without permission. Some content does allow limited copying; please check the copyright notice at the individual page.

We use Google third-party advertising companies to serve ads when you visit our website. These companies may use information (not including your name, address, email address, or telephone number) about your visits to this and other websites in order to provide advertisements about goods and services of interest to you. If you would like more information about this practice and to know your choices about not having this information used by these companies, click here.