root-access | 易学教程

Prompt for root access in cocoa application

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问题 I want my program to begin with a prompt/alert that asks for root access. The user must enter their password, and then the application follows. I've been looking around, but I'm not exactly sure how to do this. You help is greatly appreciated. Thanks! 回答1: This is Apple's documentation on the matter, and here is a good example of it. 回答2: Use BLAuthentication. Its much easier to launch authorization as root and you can enter bash commands to run as root. http://jim.roepcke.com/blog/archives

Prompt for root access in cocoa application

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How to run print command lpr -p programmatically throgh root privilage in Qt

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问题 I want to run print command lpr -p programmatically through root privilege in Qt. Actually I want to print the pdf file using these command. This command is working through terminal but not through programmatically. Thanks in advance. 回答1: you can run commands that need root privilege by running : echo myPass | sudo -S lpr -p Although it's not a good idea to echo your password in shell but you can do it in Qt via Qprocess like : QProcess process1; QProcess process2; process1

How to know what bots of a website, if I have no root access to the hosting they will read?

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问题 Recently I have problem with Open Graph checkers unable to detect Open Graph data?. It turns out that the bots from the checkers are unable to access data. However, since I have no root access to my shared hosting, I can't use wireshark to know the exact bots that connects to my hosting, therefore cannot ask the technician to help me. So is there a way to know the bots? I really have no idea where to start. The site I want to know is https://developers.facebook.com/tools/debug/og/object/

How to know what bots of a website, if I have no root access to the hosting they will read?

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find inode number of a file using C code

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问题 I have program, say name giverootAccess. This program can receive a file name in the current directory (where giverootAccess resides) as a command-line argument. Then the file will get the root access. The file can be an executable or a shell script. Now the problem is that, A hacker can get root access by redirecting the request to bash. I want to restrict a user to give root access only on those files inside the directory where giverootAccess resides. hacker can redirect file name to

How to inject SELinux policies permanently in android?

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问题 I have a rooted android device and I need to inject following policies into it: sepolicy-inject -s init -t su -c process -p transition -l sepolicy-inject -s su -t system_file -c file -p entrypoint -l sepolicy-inject -s init -t su -c process -p rlimitinh -l sepolicy-inject -s init -t su -c process -p siginh -l sepolicy-inject -s su -t shell_exec -c file -p read -l sepolicy-inject -s su -t shell_exec -c file -p execute -l sepolicy-inject -s su -t shell_exec -c file -p getattr -l sepolicy-inject

What can I do as OpenShift user?

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问题 I'm currently using a virtual server and want to try OpenShift out. But I'm not really getting yet, how it works. Do I get a root access to my "webspace"? Can I set up the server OS (e.g. Debian 7)? Can I install/uninstall software (nginx, PHP 5.5, PHP Code Sniffer PEAR package etc.)? Can I use one gear for multiple websites? 回答1: It not clear by your line of questioning what portion of OpenShift you are not understanding, so I will try and lay out the architecture and provide documentation

How can I install the python module YAML without ROOT ACCESS ( 'easy_install' and 'pip' are not available)?

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问题 I am trying to run a python script that calls the yaml module on a server. I only have writing permissions in my home directory. The server has Python 2.7.3 installed. I do not have root access. Also, neither pip nor easy_install are available. I have downloaded the package and tried to run python setup.py install --user which gives the error error: can't combine user with with prefix/exec_prefix/home or install_(plat)base How can I get this to work? 回答1: Setting up and using a virtualenv is

How to run print command lpr -p programmatically throgh root privilage in Qt

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I want to run print command lpr -p programmatically through root privilege in Qt. Actually I want to print the pdf file using these command. This command is working through terminal but not through programmatically. Thanks in advance. you can run commands that need root privilege by running : echo myPass | sudo -S lpr -p Although it's not a good idea to echo your password in shell but you can do it in Qt via Qprocess like : QProcess process1; QProcess process2; process1.setStandardOutputProcess(&process2); process1.start("echo myPass"); process2.start("sudo -S lpr -p"); process2