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MailScanner: Receiving duplicate e-mails in your inbox.

If you have MailScanner running in the background, one issue you can run into is duplicate emails.  Try the below to see if it fixes your issue: PROBLEM Receiving duplicate or repeating e-mails in your inbox. SOLUTION

Sound Problems: Error while initializing the sound driver

Linux OS does a superb job of handling sound.  Since early on it will even be configured out of the box.  Unfortunately, keeping it that way is an entirely separate matter.  Especially when going through multiple upgrades or installing other packages possibly even applications that may alter your sound behaviour strange things may start to […]

Perl 5.8 sprintf / printf: Differences in use of regular expressions?

Today I stumbled upon an interesting Perl issue that was causing some random printout in my code then what I expected.  In fact, I’ve used the same sprintf /regular expression in another part  following the script I was writing but it seamed to work just fine there.  The issue was that the script printed two […]

Screenshot: How to get a screenshot in linux using command line tools: xwininfo, convert.

Sometime back I was wondering how I can get a screenshot in Linux.  I've created this workaround for myself to use from the shell not knowing about the GIMP screenshot capture/aquire function at the time:

Sendmail: low on space / SYSERR(root): returntosender: cannot select queue for root

Not a big post today.  Just a solution to a problem I ran into earlier.   This may appear self explanatory if you assume disk space issue, as in this case the error is actually not referring to mailbox size. PROBLEM Feb  8 04:02:06 lhs sendmail[4105]: l18924AB004105: low on space (SMTP-DAEMON needs 0 bytes + […]

Linux / Windows: Changing MTU value of a Network Interface Card (NIC)

PROBLEM Occassionally, the default MTU (Maximum Transmission Value) value of a NIC card can cause you issues including being unable to view/see many internet sites or cause you issues when setting up your network, to the point where you will see communication popup errors and slowdowns.

Windows / Linux: Mutually accessing various filesystems on the same PC.

Especially true with dual boot systems, sharing files between two different operating systems on a single PC can become a time consuming task.  One thing many new users do when they install a Linux on a different partition of the same machine, is to try to connect to the other operating systems and files they […]


     
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