Rusty Razor Blade
I tried Python out a while ago, but stopped trying it to learn it after some major frustrations. Maybe I didn’t dig deep enough into it. I found the documentation hard to read, and the module layout seemed a little random at times. For some reason I found executing an external process and getting [...]
Excellent question on superuser.com with a fantastic answer. If anyone needs to jump through multiple servers via ssh (or any other protocol) take a look at this answer.
ssh -L 9999:localhost:9999 host1 ssh -L 9999:localhost:1234 -N host2
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Redis supports a keys command, which takes in a pattern, but you can’t use patterns for deletes. Fortunately awk and xargs makes this easy.
Just throw this on your server (somewhere in the PATH), chmod 755, and you’re good to go.
#!/bin/bash
redis-cli keys $1 | awk ‘{print $1}’ | xargs –interactive redis-cli [...]
I had written a post about how to set up reloader.erl about a year ago. Reloader.erl is an incredibly useful library included in mochiweb for automatically reloading erlang libraries if they’ve been recompiled.
I had also written a post about iWatch and phpunit to follow source directories and automatically run a [...]
iWatch is a perl script that uses inotify to monitor files directories. It’s similar to the watch tool, which can do all sorts of stuff if the files or directories it’s watching are modified or affected in pretty much any way at all.
Install iWatch
apt-get install iwatch
I’ve got this 1 liner in a [...]
Setting up a local cache is a smart idea if you’re going to be running a VM server, whether it be KVM, VirtualBox, or any other option really. I assume the same instructions will work with Debian, but I haven’t tried.
First up – install apt-cacher-ng.
apt-get install apt-cacher-ng
Add this to the bottom of [...]
I wrote a post a few years ago that made the digg and reddit homepage saying Experts Exchange should be removed from Google’s search results because they were using a technique called cloaking – hiding their content behind registration and showing a different version of their pages to the Google crawler.
Google just [...]
Setting up a network bridge allows you to give a virtual machine it’s own IP address and make it accessible from the outside. A DHCP bridge is useful in a smaller network where static IPs aren’t assigned – like in a home or small office. You’ll want to do this if you’re setting up [...]
Version 4.0 of VirtualBox will have NAT port forwarding available in an easy to use GUI. The more fervent readers of this blog will remember this post which I described how to set this up on the command line.
Open your VirtualBox networking settings, and click the port forwarding button.
Click [...]
I wrote this post a few months ago when I was developing a new Erlang application. I eventually ended up using the reloader I mentioned at the end, but never documented it. Now I’m about to start writing a new app, and I’m on a different machine.
First, get the reloader. It [...]
