Monthly Archives: July 2012

MailScanner, Sendmail and limitations

There are quite a few things that you may want to limit on your mail server. Here are some of them, a short description, and a little how-to : Total size of the message (mail body and any and alll … Continue reading

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What to check/do when you are going from a old to a new mail server

After you have prepaired and tested (as much as possible) a new mail server, it is necessary to transfer data from the old to the new server, and change some configuration parameters, and than (at least!) turn off the old, … Continue reading

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Some neat Linux commands, part 6

When you need to transfer data from one server to another, it can be done in many ways. Here are some of them : 1. scp – secure copy – it does not keep the owner/group info for the file, … Continue reading

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Some neat Linux commands, part 5

How to add one file to the end of another : file1 – this is the start file, and its content should stay at the beggining of the new file file2 – this is the file we are adding to … Continue reading

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Some neat Linux commands, part 4

How to TAR more than one folder at the same time, and all that is under this one folder, while preserving ownership : #tar cvfp name-of-the-new-file.tar /apsolute-path-to-folder c – create the archive v – verbose f – specify the filename … Continue reading

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Some neat Linux commands, part 3

A neat command that enables you to search the whole folder, or even a whole server, searching for a key word in file (not in the filename, but in the file itself) : # grep -H -r “key-word” /home /home/user11/test1:nmhsdav,jhvfjh,gkey-word … Continue reading

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Linux backup

How to backup anything you have under Linux OS? Out there are some quite wonderful programs for this, and I have chosen BackupPC for this. It has served me well (and yes, there were some prickly situations…). You can find … Continue reading

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BlackBerry server

What if someone from your network wants to use a BlackBerry phone (BB in the reminder of the text ;-))? And what does BB do? Well, BB in fact lets its user know every time that he/she gets a mail, … Continue reading

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Fedora and how to add new repository

I am working with Fedora 14, which at the start of all this has only its own repository. BUT as I want to see the OpenSource look-alike for MS Exchange, and as I have selected Citadel for this experiment (see … Continue reading

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SquirrelMail and how to make it pretty ;-)

Or how to set up your own name and logo on the webmail login page (instead of the squirrel with letters). However keep in mind that it is nice to leave SquirrelMail logo or name somewhere on the page. Configuration … Continue reading

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