What does errno=13 mean when connecting via OpenVPN? [closed] - permissions

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Closed 5 years ago.
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The tail-end of an OpenVPN connection (that otherwise appears successful) says (with leading timestamps omitted):
Note: Cannot open TUN/TAP dev /dev/net/tun: Permission denied (errno=13)
Note: Attempting fallback to kernel 2.2 TUN/TAP interface
Cannot allocate TUN/TAP dev dynamically
Exiting
What is the problem here?

Preface you OpenVPN command (line) with sudo...
i.e. the command requires root access to operate successfully

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Cannot connect to google cloud VM instance [closed]

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Closed 4 years ago.
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I am trying to connect google cloud instance (I am already authenticated through my google account) but from Mac OS terminal, but keep getting an error:
TerminalWindow
Here is instruction for you, check it https://www.cyberciti.biz/faq/google-cloud-compute-engin-ssh-into-an-instance-from-linux-unix-appleosx/

Details of program/script which runs when we download a file in windows [closed]

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Closed 6 years ago.
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Where can I find details of program/script which runs when we download any file in windows. When I click on a download link it automatically starts downloading. Which script is responsible for download on windows ? is it Client server runtime Process?

How to stop the individual programs that are specified in supervisord.conf file? [closed]

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Closed 3 years ago.
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I want to manage few process using supervisor.I have made the changes in the supervisord.conf file.I want to stop a few programs later
I tried using "supervisorctl stop program_name" command but I get the following
Sorry, supervisord responded but did not recognize the supervisor namespace commands that supervisorctl uses to control it. Please check that the [rpcinterface:supervisor] section is enabled in the configuration file (see sample.conf).
Can somebody guide me?
Thanks in advance
Add this to your /etc/supervisord.conf:
[rpcinterface:supervisor]
supervisor.rpcinterface_factory = supervisor.rpcinterface:make_main_rpcinterface
And restart supervisord:
sudo /etc/init.d/supervisord restart

remote desktop doesn't work [closed]

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Closed 3 years ago.
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Our database server work properly and all the sites that work on from it, but when I try to connect to it using Remote Desktop locally it doesn't respond, just the writing "Welcome", the server's OS is Windows Server 2008 R2 SP1, this problem comes after we send mass email to our users. what can be the problem?
Thanks for help!
Check your configuration and compare with the content in this link.....
http://www.techotopia.com/index.php/Configuring_Windows_Server_2008_Remote_Desktop_Administration

SQL Server Password [closed]

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Closed 7 years ago.
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Is there any way of retreaving a SQL Server Authenticatiion password. I am running Server 2005 with admin rights.
You need to start the database in single user mode. Here is an article going through the steps:
Link
Tool to retrieve it:
http://www.codeproject.com/KB/vbscript/SQLServerPasswords.aspx
More information:
http://www.sqlservercentral.com/Forums/Topic664614-391-1.aspx