I found just loading the security, system and kernel logs works well, and is light on the processor load (since displaying logs is essentially a tail command: 0.1%CPU & ~30MB RAM). (Note: any command that self-updates in place such as “top” will cause problems since GT takes care of refreshing.) I already knew all the essential shell commands, so once I got a working version, it was easy to adapt to. (I wish it would optionally bring things to the front automatically for a second when updated.) My favorite feature is the ability to make things float over everything else. Since GeekTool free and anything you leaner can be used in the CLI, you won’t be wasting money or time. If you know a few Unix shell commands and are willing to learn, you will be well rewarded. I’ve read the first page of reviews: you don’t _have_ to be a geek to use this app, but it helps. So finally, I tried it yet again, saw the warning, and got it running fairly quickly. Unfortunately, I didn’t realize I needed a different version for Lion so setting it up wasn’t working (the site wasn’t incredibly clear about that months back: It is the standalone app you need for Lion BTW. I found the need for something like this again, and tried it again. I tried this app a few years back and found it difficult to figure out how to use. Monaco looks *terrible* antialiased at those sizes, and having it antialiased makes things displayed look much, much less geeky :) Indeed, I'd love to see it get the ability to optionally disable antialiasing for *any* font (like in Terminal). They are now antialiased, where they never were before. One gripe: 3.1.1 came out, and it destroyed the look of Monaco at 9pt and 10pt. It would probably work smoother if there was something in the preferences that allowed the user to set a custom $PATH. There should be a box or something in the app's preferences that allow you to change the load order of geeklets, and shows you a list of them by name (not UIDs). So to shuffle their order in the plist, you have to write down which UID goes with which geeklet. If you try to fix this, you can, but you run into the fact that GeekTool keeps track of its geeklets by means of hexadecimal UIDs instead of the names that you already gave your geeklets when you created them. This can ruin a carefully-crafted desktop. For instance, it often reshuffles the order of which geeklets get loaded first. It could use improvement in certain areas. But if you are a Geek, it couldn't really much get easier to use. And most other things don't make a lot of sense then. If you don't know what a shell script is, or how to write one, or are totally unfamiliar with things that live in /usr/bin, you won't be able to do much besides put images on your desktop. It's called GeekTool for a reason you have to already have some geekery ability to make it do much of interest. Resize it, move it, do whatever with it, and you’re all set.Fantastic app. You should see text in the blue box from GeekTool: If you do that, the path should be “/Users/YourName/Documents/new.command”. I’d recommend putting it in your home folder, possibly in Documents. Now in the “Command” text box put the path to the script. Click “New Entry” and then choose “Shell” from the drop-down menu: Now install GeekTool, and open it in System Preferences. Hit enter, type your password, and that’s it. Open a terminal and type “sudo chmod +x” and drag the file into the window (or enter the path manually). First, rename the shell script as “mand”. To get it on your desktop, you’ll need to download GeekTool, and then the shell script from Novak (it’s the one entitled “news.sh”). That means you can configure GeekTool to embed the output from Novak’s script on your desktop, like so: GeekTool is a preference pane for embedding images, system logs, and output from Unix commands. By itself, not very useful unless you love the terminal (like I do). A man by the name of Rodolfo Novak has created a shell script that parses RSS feeds and generates excerpts for the last few entries.
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