Many people think it’s as simple as doing a mysqldump->sed->mysql command (or clicking Change->Collation in PhpMyAdmin) but that only changes the encoding for NEW data, while leaving the old data intact and possibly coming out dirty. Luckily there is a…
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Rename spaces to underscores
How to rename files with spaces to use the underscore character instead .. or any other web friendly character. I’ve just been handed a zip full of files, and want to host them, but they’ve all got nice pretty spaces…
Vim as Man page viewer
Linux man pages are gold, and much quicker than googling, but I hate having to learn yet another interface for what is just a text flatfile that’s a bit to big to fit on a single 80 x 24 character…
SSH works, but file copy utilities fail
The symptoms vary across OS’s and connection utilities/programs but in essence it’s the same. Connecting to a remote filesystem via SSH fails with no good error message. Transmit on Mac mounting the drive is no better than Nautilus on Linux…
Recursive unzipping many zip and rar files in many folders.
So I have a directory with ~100 folders, each containing atleast 1 zip/rar file that needs extraction. No point in keeping the zip/rar file afterwards either so remove it. find . -name "*.zip" -exec unzip {} \; -exec /bin/rm {}…
Finding the install date of a linux system
Easy was to find install date of system is as follows: sudo passwd -S bin bin P 09/19/2010 -1 -1 -1 -1
I’m still running out of space
A server has no space! Where has it all gone? I want to see a list of where the disk usage is. Linux has a built in function du but that’s rather limited sometimes. du -mxS / | sort -n…
I’d like my linux box to email me when it’s hard drive is full.
I’d like my linux box to email me when it’s hard drive is full. It could be my webserver, my home file server full of movies and music, or even my netbook after getting a bit hit of Dropbox files.…
Running PNGCrush on a recursive directories
One easy way of reducing website load time is by optimizing your images, which is what PNGCrush does. PNG graphics are often more bloated than they need to be so using PNGCRUSH should be obvious. Basic usage flags don’t allow for recursive…
Prefetching updated packages with Trickle, Pacman and Apt-Get
To make package updating easier, you can download packages/package lists in advance so that when it comes to the update everything is ready and just requires overview and confirmation. Archlinux: trickle -d 5 pacman -Syuw –noconfirm Ubuntu: trickle -d 5…
.bashrc doesn’t get loaded when logging in through TTY
Symptom: ~/.bashrc doesn’t load when logging in through TTY, but it will through xterm/guake/etc.. Solution: TTY loads ~/.bash_profile by default, so append to/create ~/.bash_profile the line $HOME/.bashrc and it will load. Under some installs, it may be ~/.profile rather than…
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