Recently, I run out of my disk. Core dump in /cores occupied most space in my OSX. After clean it, I save much space. But I don't feel like to delete them manually each time,running commands in terminal. Is there an free tool to help me out.
I also found some app occupy too much cache or unnecessary files such as iTune. I also need an easy way to clean them out.
Any recommendation?
App store has so many FREE app to help you clean unnecessary files.
I recommend you FREE APP "Dr.Clean" which is developed by Trend Micro.
Here is the link
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as part of my memory, I am looking for an explanation regarding windows backups.
In fact, I noticed that the disk to be backed up must have at least 15% free space (I got save errors for this). So I would like to know why and how it works. If you have sources and sites to consult.
Thanks in advance.
Mostly I am just sad I guess. Yesterday I finished an iPhone app in Xcode 10.2.1, loaded it onto my phone (it works nearly perfectly), and shut down Xcode. The app is on my phone and working, but when I opened the Xcode again the code (viewcontroller, AppDelegate, and storyboards) have no data. To be clear, the folders and files are still there, but the code/data is not. I did not have time back up the finished version. Is it possible to retrieve these from my phone? Or is there some other place to look to find it? Or am I stuck rewriting it (there are some iterations so it is not starting over completely, but it still sucks).
thanks
Is it possible to retrieve these from my phone?
No, your phone contains only the compiled object code; it won't have any source code.
Or is there some other place to look to find it?
It's hard to imagine how the code could have simply disappeared, so one would think it's probably there somewhere. I wouldn't think that you could compile an app without saving the code, and if you saved your work then it certainly shouldn't just be gone. If you can remember even just a part of a phrase from the missing file(s), you can search your machine for files containing it. Use Spotlight or even just grep for that.
If you're unable to recover the file(s), then rewrite it as soon as you can while it's still fresh in your mind. And use the experience as a lesson. In the future you should do both of the following:
back up regularly: Use a backup system that works automatically. Apple's Time Machine works very well for this... all you need to do is plug in your backup disk and let the machine do it's thing.
use revision control: There are a lot of options here, of course, but git is free and private Github accounts are also free, so you can save your work remotely. If you don't know how to use revision control, learn -- it's an essential development skill.
Here's my problem. I have OSX Lion and I do Web development, BUT I have no real comprehension of what I'm doing when I'm using brew, pear, and the terminal in general. I am working on leveling up, but I still have to work in the meantime. That's why I very often mess up my system files (just tried to install PHPUnit, didn't work, so I deleted other pear directories, still didn't work, and now I end up with a mess).
It would feel better and relieve a lot of stress to know I can revert back my changes when I mess up. So my question is, can I set up a version control like git on all my computer files themselves, so that before any big change, I can save the state of my computer? Or is there any other way to get that same result?
I think creating different users for my mac is not enough, cause I want to build up my system, and add things to it, so it doesn't really help. And I'm not sure, but Time Machine is made just to get some files, not to revert my system to some previous state, or can it do it?
Help would be greatly greatly appreciated, thanks!
Seems to me you need to use a VM.
Take snapshots and work without worries. If you mess up you just revert to your last known good snapshot
You can do this - you can version control anything... but I wouldn't recommend it (at least not with GIT/SVN/etc - perhaps there's some software designed for this purpose that I'm unaware of).
You'll be tracking version changes for tons of files, temporary, setting files, binaries, etc. Files would be changing all the time and you'd need to stay on top of commits and so forth. Instead I'd recommended just copying folders (backup), making changes, verifying your changes work, then deleting the backups.
It's very easy to overuse version control.
Having an external drive with time machine and allowing it to sync often will allow you to revert certain parts (or all) of the file system to a certain date.
Since you're under OS X, I'd suggest Time Machine - it is more adapted to what you want to do than a source control versioning. TM is pretty decent at backuping, but there are other solutions if this one doesn't fit your needs.
EDIT: as commented by #dstarh, brew isolates everything it installs and uses symbolic links when needed. So use it whenever you can, it leaves your system cleans. There's instructions on how to uninstall a software, and in the worst of the cases, you could look at the source of your software's formula and find out what to delete.
Long story short : yes you could, but there's way easier and painless ways to do this.
I'm trying to build Qt with visual studio (2010), but the build has so far taken up over 16GB of my tiny hard drive. I've already uninstalled practically every program I have.
Is there any way I can compile qt without it hogging so much space, yet still get every feature? And once the build completes, will the unrequired files clear up, or do I have to do that manually? How big will the build be (as said earlier, I've already reached 16+ GB)?
I'm new to this, so please speak in layman's terms. Thanks.
Start with 40-50GB of free space. The build generates a lot of temporary files which you can clean later manually.
If that is too much for your computer, get an external harddisk. 1000GB should be less than $100.
You can reduce it's size by avoiding Qt-WebKit,etc(if you want). Check this link
Microsoft's "Windows Installer CleanUp Utility" could be used to help fix broken installations of MSI-installer based products. When the installer failed in some strange way and left corrupt data behind, so bad that even Add/Remove Programs couldn't help, you could often fix things by running this utility and then running the application's installer again.
I just discovered that Microsoft announced a couple weeks ago that they were discontinuing this utility. They didn't merely say "we're not supporting it anymore"; they seemingly removed it from their site entirely.
I have to support a Windows program for a whole bunch of users. Given the number of users, every so often something will go wrong, and this program has been invaluable for me, as a last-ditch line of defense.
I know I could point customers to some third party site that has a cached copy of it, but this seems dangerous (malware potential and such).
So, are there any replacement products? Or, if not, how can I myself do whatever it is that this program did?
To be clear, I'm not asking for help like "how do I programatically modify the registry". I can do that fine. But I need to know what in the registry needs to be modified.
Thanks in advance.
Windows Installer CleanUp utility was never intended to be used in the wild. It was only meant to be used by software developers. If you occasionally have end users needing to use WCU you have some serious installer quality issues that should be addressed.
WCU only removes the Windows Instaleller meta data and doesn't actually uninstall any software. This leaves the machine in a very dirty state. These days with test labs becoming virtualized there's no reason to have this tool anymore. You just roll back to a prior snapshot and keep on working.
I've seen all kinds of online forums full of users who think they know what they are doing ( and don't ) suggest using WCU to solve various problems so in the end Microsoft decided to try to get the horse back in the barn.
I have old copies of WCU archived in my CM system so if you'd like me to generate checksums to help you determine if you are getting a good copy just let me know.
The cleanup utility was a wrapper around the command line utility msizap.exe, described here:
http://msdn.microsoft.com/en-us/library/aa370523%28VS.85%29.aspx#1