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How do I use sudo to redirect output to a location I don't have permission to write to?

...is performed by your shell which does not have the permission to write to /root/test.out. The redirection of the output is not performed by sudo. There are multiple solutions: Run a shell with sudo and give the command to it by using the -c option: sudo sh -c 'ls -hal /root/ > /root/test.out'...
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Django MEDIA_URL and MEDIA_ROOT

...rest of your URLconf goes here ... ) + static(settings.MEDIA_URL, document_root=settings.MEDIA_ROOT) You no longer need if settings.DEBUG as Django will handle ensuring this is only used in Debug mode. ORIGINAL answer for Django <= 1.6 Try putting this into your urls.py from django.conf im...
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Can I change the root EBS device of my amazon EC2 instance?

I have an EBS backed Amazon EC2 instance. I would like to change the root device on this instance. Can you please advise the best way to go about this? ...
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How to map calculated properties with JPA and Hibernate

...ce this query of course becomes a subquery when the host object is loaded. MySQL did not like the inline select without parentheses. – sorrymissjackson Nov 20 '15 at 7:18 1 ...
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How to check permissions of a specific directory?

...tfacl, stat. For Dir [flying@lempstacker ~]$ ls -ldh /tmp drwxrwxrwt. 23 root root 4.0K Nov 8 15:41 /tmp [flying@lempstacker ~]$ namei -l /tmp f: /tmp dr-xr-xr-x root root / drwxrwxrwt root root tmp [flying@lempstacker ~]$ getfacl /tmp getfacl: Removing leading '/' from absolute path names # file...
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What is the difference between a Docker image and a container?

...use boot2docker on Windows). Why do we create images for applications, say mysql? At this point, how is mysql even running? Don't I need to have a Linux image to run mysql on top of? – Kenny Worden Feb 17 '15 at 16:41 ...
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How to implement a binary tree?

...one self.v = val class Tree: def __init__(self): self.root = None def getRoot(self): return self.root def add(self, val): if self.root is None: self.root = Node(val) else: self._add(val, self.root) def _add(self, val...
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Determine project root from a running node.js application

Is there a better way than process.cwd() to determine the root directory of a running node.js process? Something like the equivalent of Rails.root , but for Node.js. I'm looking for something that is as predictable and reliable as possible. ...
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Linux非root用户运行程序的一些注意事项 - 操作系统(内核) - 清泛网 - 专注...

Linux非root用户运行程序的一些注意事项linux-non-root1、Linux非root用户可以查看包括root在内的所有用户的 端口 信息,使用-a参数:netstat -an注意:非root不能启动侦听 1024 以下端口的程序。2、Linux非root程序默认创建出来 1、Linux非roo...
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Get Root Directory Path of a PHP project

... this is just awesome, I tried $_SERVER['DOCUMENT_ROOT'], dirname(), $_SERVER['SCRIPT_NAME'] etc. but this worked excellently! – webblover Nov 26 '14 at 16:40 ...