How to split large files in Linux and *BSD

Suppose you have a large file that you need to "break down" to smaller pieces and then reconstruct. It's fairly simple, using the split command.

I will only give a brief usage example. For more information, check out man split (and info coreutils 'split invocation' on Linux).

IPFW: rule-based forwarding disabled

If you want to enable IPFW (or load the module) and you get "rule-based forwarding disabled" in dmesg... and you need forwarding, well, that is just too bad. You will need to enable IPFW forwarding support in the kernel.

Shockwave content on Linux

Suppose you have the misfortune of having to access a page which only provides its interactive content in Shockwave, not Flash or Java. A stupid, ugly and slow leftover of old Macromedia (just before they released Shockwave Flash) that should not be supported anymore, anywhere, in my opinion.

Keypad/Numpad gone mad in KDE4

I upgraded to KDE4 – Kubuntu Karmic Koala (9.10).

All was fine, excepting for the numerical keypad. My notebook's design includes this keypad which allows me to use the digits (when NumLock is on) and the other keys, respectively (Del, Home, End, Page Up, Page Down, Ins) – when the NumLock LED is off.

Editing Midnight Commander's color scheme

In a previous post I was sort of laying out a "formula" on how to transform your Midnight Commander default color scheme into a trasnparent skin, without talking too much about how you can change the other colors.

To my great shame, I didn't pay too much attention to this blog or to the comments asking for further advice. I found Mateus' comment rather late (just now!) and decided to dig further, in order to find out how exactly to deal with more refined color changes, while still keeping the transparent background (in both in Midnight Commander and its editor).

Core dumps

Since I'm interested in examining core dumps (in order to submit them to the ones developing the application that crashed) I prefer to keep core dumping enabled at all times on my systems.

Here is a brief hands-on to core dumps management.

SSH, backspace and UTF-8

Just great. If you use UTF-8 characters encoded on more than 1 byte (such as Latin diacritics, Armenian, Japanese etc. characters) and you attempt to hit [backspace] through SSH to delete them, you might be surprised to find out that backspace in SSH only deletes the last byte.

This can lead to a lot of unexpected results in your documents and it can generate a lot of confusion for any app you might be running via SSH.

mt-daapd / Firefly media server -- follow-up

A little while back I was talking very angrily about mt-daapd / Firefly media server.

It just so happened that it was 1) crashing and 2) apparently scanning outside of the directories I told it to scan in.

mt-daapd is not the answer

Depending on how lucky you are, mt-daapd / Firefly Media Server might or might not work for you.

The problem at hand is how to elegantly share media files in your LAN without resorting to NFS exports or Samba shares.

Migrating from KMail to Evolution

I've decided to give Gnome one more go (I've been a KDE user so far) so I installed Ubuntu 9.04 on my laptop. What's more is that I decided to use only GTK applications, nothing Qt whatsoever. At least for a while, to see how it goes : )

So far, nothing but confusion. What was notable though was the painful migration of my e-mails from KMail to Evolution.