Category: Software

Various posts related to software

Posted in How To Linux Software

How to automate fdisk (how to partition a lot of disks quickly)

Imagine you need to create say 10 disks with predefined partitions loaded with some software. The ideal solution would be automatic disk partitioning and copying the software to it. While copying files is an easy-to-do everyday procedure partitioning is a bit more tricky (really, just a little bit). Here is…

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Posted in How To Linux Software Windows

Solving “The server you are connected to is using a security certificate that could not be verified.” problem

Uff that was tough one … If you decided to make your mail communications more secure you probably switched on SSL option in your mail client for POP3/IMAP/SMTP servers. There is a good chance you will get one of those errors that sound like The server you are connected to…

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Posted in Software Web

“Cannot load adsense-deluxe.php” problem with AdSense-Deluxe Plugin for WordPress

The AdSense-Deluxe plugin is just wonderful! I used Adsense Manager before and didn’t like the fact it uses old code for Google Adsense and I can do nothing about that. AdSense-Deluxe is way simpler and allows you to modify the actual code – very smart move. Unfortunately after installation it…

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Posted in Linux Software

How to improve NFS performance (Linux, OpenSUSE 10.3)

When I used NFS first time 15 years ago on Sun it seemed to me the top of progress. And it really was at that time. So dealing mostly with samba during last few years I forgot how actually NFS works until a few days ago when I issued standard…

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Posted in Linux Software

How to configure master/slave DNS servers so they do not conflict with Plesk 8.2

When you need to implement a DNS master/slave relationship, you obviously can go ahead and edit named config files, but when you do next change to DNS configuration using Plesk most your changes will be lost. From the other side Plesk doesn’t provide slave server configuration at all! Here is…

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Posted in Linux Software

How to enforce POP3s by disabling POP3 in courier-imap pop3 server

Sometimes, for security reasons, it is useful to disable pop3 protocol on a server, leaving users with necessity of using secure pop3 protocol (i.e. in outlook they will have to check “Use SSL checkbox”, otherwise mail just won’t work). The civilized method is of course just ask people politely to…

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Posted in Linux Other Software Windows

How to check if your POP3 server works normally

When your mail is not working it is important to know exactly what part is broken (so you know if you should go blame sysadmin or just check your mail client settings). Let’s simulate basic POP3 client using regular telnet (enter commands without quotes) in order to check if the…

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Posted in Linux Software Windows

“553 sorry, that domain isn’t in my list of allowed rcpthosts; no valid cert for gatewaying” problem solving for Outlook, macmail, Plesk 8.2

“553 sorry, that domain isn’t in my list of allowed rcpthosts; no valid cert for gatewaying” There could be many things leading to the problem. One of them is client inability to authorize to SMTP server. Here’s a quick explanation of what happens and how the problem could be solved.

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Posted in Linux Software Web Windows

How to purchase an SSL ceritficate for your website (using Plesk 8.2)

Despite the process of obtaining an SSL certificate for your website is not very difficult it may take you plenty of time, because the price of mistake could be rather high. I’d say you can loose hundreds of dollars if you buy wrong type of certificate or get it from…

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