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10
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0answers
617 views

Why is a named pipe as slow as writing to a file? [migrated]

I'm trying to understand how named pipes work so that I can streamline my one-way interprocess communication. I expect some overhead due to copying data into a circular buffer, which I would have ...
0
votes
1answer
33 views

Pipe multiple files into one tar gz

I'd like to call mysqldump to create multiple backup files and then archive them in one tar.gz. I am following this tutorial on mysqldump part: ...
0
votes
1answer
143 views

SQL Server 2005 Linked Server using SSMS from laptop vs RDP

I connect to work network via Cisco VPN from my work laptop, which is on AD. Edit I am using SQL authentication to connect from Server A to B; in scenario #1 I can connect. I can even connect from ...
2
votes
1answer
119 views

SQL Named Pipes across Site to Site VPN

Running into SQL issues and I can find the exact problem already posted here on SF. I have a SQL server running on a 192.168.16.x subnet on one side of a site to site VPN. I have a workstation on a ...
0
votes
1answer
148 views

Windows Azure: file share, named pipe between virtual machines

I'm not able to get named pipes working within a single VM or across 2 VMs within Azure. Availability set is not an option. So, if the VM name is testVM.cloudapp.net, the named pipe is failing with ...
1
vote
2answers
358 views

nginx - log access and error to pipe and use multilog to log rotate

What I am trying to do: Log rotate nginx access and error log using multilog My approach: Log nginx access and error to a pipe, so I can have another process that runs multilog that reads from that ...
1
vote
3answers
4k views

SQL 2008 R2 Named Instance Client Connectivity Issues?

We're upgrading our software from using SQL 2000 to 2008 R2. Our customers will be installing an update which uninstalls 2000 and installs 2008 R2 under the same instance. So if no instance existed, ...
1
vote
2answers
309 views

Continual tailing and sorting of multiple files on linux?

Is there a way to use pipes or FIFO in combination to continually monitor several (same format) log files whilst sorting on the first field and then being able to effectively do a tail -f on that ...
1
vote
0answers
41 views

SQL 2005 Named Pipes Stop Responding

We have a SQL 2005 64bit SP2 server running on Windows 2003 R2 SP2. It also has Reporting Server installed and that serves as it's primary function. Over the course of approximately a week, ...
0
votes
1answer
150 views

Postfix forward mail to named pipe

In Postfix I can configure to forward emails to a script in /etc/aliases like mailuser: | mailprocessor.pl If I create a named pipe with mkfifo /opt/mypipe and then change /etc/aliases to write ...
0
votes
1answer
5k views

Firewall blocking SQL Server named pipes

If I turn off the firewall on Windows SBS 2011, I can connect to my SQL Server 2008 non-default instance by name (which I presume means it's using named pipes) without incident. After I turn it back ...
0
votes
1answer
549 views

I can connect to a server via named pipes with sqlcmd but a vendor tool is getting Named Pipes Provider, error: 40

I have a windows service running on my workstation that is part of a vendor supplied tool that connects to a database. It will not startup the error I get 4 errors in the event log with the following ...
1
vote
1answer
882 views

PHP Named Pipe Problem

I am trying to test a website on a local machine that has Windows 7 installed. I want to use named pipes to connect to the MySQL server, but mysql_connect() seems to throw an error: [2002] No ...
3
votes
2answers
1k views

Is there a limit on the number on named pipes that can be created on a Linux machine?

And if so, how do we increase it - the named pipes are created using mkfifo command -
4
votes
2answers
3k views

How to add a privilege to an account in Windows?

Given: A VM running Windows 2008 I am logged on there using my domain account (SHUNRANET\markk) I have added the "Create global objects" privilege to my domain account: The VM is restarted (I know ...
1
vote
1answer
2k views

Permission needed for Named pipes on Windows 2008

Are there any special permissions needed for domain service account running a windows service which receives messages over named pipes? Hosting environment is Windows Server 2008. Background: We ...
0
votes
2answers
306 views

Named pipe with shell command date

I want to let a standard user change the system date. So I created a named pipe. The standard user write a date to the named pipe and a root process listens to it and sets the date accordingly: ...
0
votes
3answers
2k views

Need script to redirect STDIN & STDOUT to named pipes

I have an app that launches an authentication helper (my script) and uses STDIN/STDOUT to communicate. I want to re-direct STDIN and STDOUT from this script to two named pipes for interaction with ...
1
vote
1answer
746 views

Non-blocking bash redirection

Does anyone know how to redirect the output of a program, running from a bash script, to a named pipe IN NON BLOCKING MODE (having 'O_NONBLOCK' flag set)?
0
votes
1answer
676 views

Getting Access Denied While Accessing the Named Pipe from Another System

I have a Named Pipe and It Works Fine While I access it using a Client which runs on My System. I get GLE 5 (Access denied) while I run the client from another system. The original post is at ...
2
votes
5answers
311 views

controlling a linux box behind a router

I am trying to make it possible to control a shell on a linux box behind a router which is not under my control. My first idea was to make the client (the box behind the router) to ssh to a server ...
0
votes
3answers
688 views

An SQLite/STDIN Conundrum, Specific to AIX

I'm been playing around with SQlite at work, specifically with trying to get the sqlite3 command line tool to accept stdin instead of a file. Sounds easy enough, on linux you can execute a command ...
1
vote
1answer
2k views

MySQL on Windows - how do I set the wait_timeout for connections using named pipes?

I use a MySQL database running on a Windows box, and for performance reasons I'm connecting to it using named pipes. The (Java) application using the database (through Hibernate) can let the ...