The tag has no wiki summary.

learn more… | top users | synonyms

1
vote
2answers
939 views

Lighttpd with FastCGI won't create /tmp/fcgi.sock on startup?

I'm running lighttpd-1.4.19 on a debian 5 box and try to run web2py with fastcgi. The problem with that is, that lighttpd does not create the socket file /tmp/fcgi.sock. If I'm creating the file by ...
0
votes
0answers
7 views

m_split reverse operation for mbufs [closed]

I need to perform an operation to combine two mbufs as a single mbuf pointing the complete data by both the single mbufs. For instance, if mbufA --> 0xA0 to 0xB0, and mbufB --> 0xB0 to 0xC0 and these ...
2
votes
1answer
27 views

php-fpm: What is the bottleneck for accepting connections faster?

On a php5-fpm status page, what is the bottleneck that is preventing my server from accept()'ing new sockets fast enough? pool: www process manager: static start time: ...
1
vote
0answers
20 views

Linux raw socket (layer2) - best strategy [migrated]

The context: I am thinking about the best way to process packet from nic to apps. I have 4 processes running and receiving packets from ethernet nic. They run pf_packet sockets so they receive ...
8
votes
5answers
11k views

Network Error: no buffer space available

After some time of running fine, one of our Windows XP SP3 machines does not open some(!) new TCP/IP connections anymore. Putty says Network Error: no buffer space available, IE won't open any new ...
2
votes
2answers
4k views

Caused by: java.net.SocketException: Software caused connection abort: socket write error

I running JSP on Oracle 11g, Weblogic 10.3.4. I have 2 managed server and a oracle admin server installed. I am encountering an error where intermittently the log file of the 2 managed server and ...
-2
votes
1answer
12 views

Is it possible to bind a socket with NIC Queue?

when i open a new socket linex system automatically bind it to a NIC queu. Currently i have two sockets and i want to bind them to two different NIC queues. My question is 1)Is it possible to bind ...
0
votes
3answers
566 views

Linux command to wait for a SSH server to be up

I have a script which creates a virtual machine and gives me back an IP address. Then I would like to do something like this: waitforssh 192.168.2.38 && ssh 192.168.2.38 And it will wait ...
0
votes
1answer
29 views

nginx handle multiple locations for one server

I need to setup a virtual host to run my users.example.com website. It needs PHP support via php-fpm. The ideia is to have a mapping like this: users.example.com/~user1/folder/file.php -> ...
0
votes
1answer
874 views

Unable to access 3ware 3dm2 web interface, failed to start listening socket

I am unable to get to the 3ware 3dm2 web interface. When I attempt to execute 3dm2 from the command line, i get the following error "(0x0C:0x0005): Failed to start listening socket". This was working ...
2
votes
1answer
89 views

SELinux: no audit errors but nginx permission errors

I try to isolate a SELinux problem with nging/munin. I see that error message in "/var/log/nging/error.log": [crit] 8802#0: *55 connect() to unix:/var/run/munin/fcgi-html.sock failed (13: ...
3
votes
1answer
2k views

I can't run uwsgi as normal user

I want to run uwsgi server as www user, but if I write: uwsgi --socket $SOCKET --chmod-socket 666 --pidfile $PIDFILE --daemonize $LOGFILE --chdir $CHDIR --pp $PYTHONPATH --module main ...
0
votes
0answers
30 views

How do I know the remaining buffer space?

There is a socket error 10055, meaning "No buffer space available". But what is this buffer space and how do I know, how much of it is still available? At the time I've got this error, the server had ...
8
votes
5answers
13k views

What should mysqld.sock contain, why don't I have it?

Does anyone know why my /var/run/mysqld/mysqld.sock socket file would not be on my computer when I install (or reinstall) MySQL 5.1? Right now, when I try to start up a server with mysqld, I get ...
-1
votes
1answer
52 views

understanding resolve.conf nameserver through system calls [duplicate]

I am trying to understand how /etc/resolve.conf /etc/nsswitch.conf exactly works and what is significance of nameserver entry 127.0.1.1 I did strace ping google.com to get to know about the system ...
0
votes
1answer
98 views

Connect with Java to Amazon EC2 instances

I have written a client-server application in Java and I want to run it on Amazon EC2 Ubuntu instacnes. The client runs on an EC2 instance and the server on one and the third EC2 instance is for ...
1
vote
3answers
7k views

How to determine number of open sockets? VM Resource Issues

I've got a MediaTemple DV server. I've been seeing a lot of QOS alerts for "numothersock" which is defined as: The number of sockets other than TCP ones. Local (UNIX-domain) sockets are used ...
1
vote
3answers
1k views

Can haproxy be used to balance unix sockets?

In nginx it is fairly simple to configure it to proxy unix .sock files Eg: upstream bla { server unix:///home/sam/Source/bla/tmp/sockets/thin1.sock; server ...
1
vote
2answers
246 views

Send Text String to a Socket In Windows

I have a server that has an open socket that listens for a particular text string on it in order to perform an action. Our linux machines send this data via: echo "text_string" | nc -w 2 ...
1
vote
2answers
1k views

What does TCP: too many orphaned sockets mean?

When I use dmesg to look at linux kernel messages, I see a flood of.... TCP: too many orphaned sockets messages. My guess is this is sockets that are hanging around in TIME_WAIT after being closed ...
0
votes
0answers
48 views

Single TCP-CLOSE_WAIT connection brings down application till restart

Recently found a behaviour where my application had a connection in TCP Close_wait state till the app was restarted (after about 5 hours). But during this period the SUnreclaim space was also ...
62
votes
7answers
81k views

How to forcibly close a socket in TIME_WAIT?

I run a particular program on linux which sometimes crashes. If you open it quickly after that, it listens on socket 49201 instead of 49200 as it did the first time. netstat reveals that 49200 is in ...
5
votes
1answer
2k views

Sharing unix socket via docker volume - permission denied

I try to share my php5-fpm socket via a volume with my nginxwebserver. Fpm and nginx are running if different containers and I want to get them working via a shared volume where I place the socket ...
1
vote
0answers
310 views

Rails application deployment, nginx, unicorn, capistrano socket error

I am deploying a rails application to a digital ocean VPS. I have followed https://coderwall.com/p/yz8cha . All things done well, but now the browser shows only a blank page. Nginx log contains: ...
2
votes
2answers
406 views

Directory for PHP 5 FPM socket files is deleted after reboot on Ubuntu Server

I've created a directory to store socket files for PHP 5 FPM: sudo mkdir /var/run/php-fpm. It is owned by root:root as well as core PHP FPM process. When PHP FPM is starting, it creates socket files ...
1
vote
1answer
49 views

How do you control the file ownership of a socket managed by launchd

I'm working on writing a daemon that talks to other daemons in the same project over UNIX sockets. For security purposes, it's critical that these daemons only talk amongst themselves (and can't, for ...
0
votes
1answer
452 views

Access to a network server without port forwarding

I have a network with the following structure. The server in PC2 is simple socket server TCP in 8080 port. I need to access to PC2 from other external network by socket client. This socket client ...
0
votes
1answer
331 views

Inject packet to a different NFQUEUE

I have an NFQUEUE, for IPv6 packets hooked to PREROUTING chain of mangle table in ip6tables. Once I receive a packet in user application, I modified the header. Infact, modified the header from IPv6 ...
3
votes
1answer
857 views

SElinux label for php-fpm sockets

I'm attempting to set up multiple instances of php-fpm to run multiple versions of php through apache 2.2 running on centos 6.5. At some point in the future this will end up in a shared hosting ...
1
vote
0answers
107 views

Weird socket behavior in VirtualBox (NAT + PAT)?

I have a Linux VM with NAT and PAT configured. Let's say ports 2000 and 2001 are forwarded to the VM. These ports are also configured for external access on a device such as a router using a domain ...
0
votes
0answers
65 views

Can thousands of files in a directory seriously slow down access to unix socket file?

I try to find out why a site has juddering performance problems. It works well most of the time. And for short time a 2-minute delay occurs. I don't see any database problems. Memory consumed looks ...
0
votes
0answers
169 views

Sockets stuck in FIN_WAIT2 after connected over ssh tunnel

I have a pair of C programs that transmit data over a TCP socket using a simple server/client connection. After connection, the server sends the client data until the client decides to terminate the ...
10
votes
4answers
17k views

Nginx + php5-fpm = “File not found”

I've hit a wall whilst setting up a site using nginx / fpm. The page displays "File not found", and this appears in the nginx error.log: FastCGI sent in stderr: "Primary script unknown" while reading ...
0
votes
2answers
355 views

Adobe AIR ServerSocket to remoteIP?

I have a mobile multiplayer game that uses the AIR serverSocket class to connect to an AIR server app on a laptop set up as a wifi hotspot. The requirements have changed and now the server must be ...
1
vote
2answers
134 views

Communicating between two servers sitting behind their respective NATs

I'm building an web app (Server A) that communicates with a remote server (Server B) that is connected to the internet. Server B resides behind a NAT and is listening to communication on 3 ...
0
votes
2answers
2k views

Connection Refused Error Java/Linux

I'm trying to move an existing project over to a new (linux) server environment (note, I have no direct access to the code nor do I have any knowledge about the project in general - talk about a great ...
1
vote
1answer
91 views

Debian 7.4 drops UDP traffic randomly

I'm running Debian 7.4, KVM VPS with the latest updates. I'm getting UDP ports randomly closed for 2-10 minutes for no reason. I'm running gaming servers and the port tester shows the ports are ...
4
votes
1answer
552 views

How to check if a process is non-blocking in linux without using a stack tracer?

A multi-cpu server is running several processes. One process has a thread that should always be in a spinning state, using 100% of the CPU it's been assigned. My current method (besides asking the ...
2
votes
1answer
347 views

Why is there a socket interface on the host and a character device interface on the guest for virtio-serial?

I am trying to establish a communication channel between the host and one of its guest virtual machine using kvm as a hypervisor. For this, I am using virtio-serial. To create the virtual machine, I ...
2
votes
2answers
428 views

On Linux, is there a configurable socket timeout between kernel and user space?

I'm currently fighting with some crappy piece of (custom) server software which doesn't accept its connections properly (written in Java by a PHP programmer who never before touched sockets let alone ...
3
votes
0answers
130 views

timing issue after route add/delete (route not used)

I have an application that is running a raw IP socket, destination of this socket is governed by routes installed via the 'ip route add' command. These routes can change during the lifetime of a ...
4
votes
4answers
7k views

Is it dangerous to change the value of /proc/sys/net/ipv4/tcp_tw_reuse?

We have a couple of production systems that were recently converted into virtual machines. There is an application of ours that frequently accesses a MySQL database, and for each query it creates a ...
0
votes
1answer
904 views

php-fpm + persistent sockets = 502 bad gateway

Put on your reading glasses - this will be a long-ish one. First, what I'm doing. I'm building a web-app interface for some particularly slow tcp devices. Opening a socket to them takes 200ms and an ...
2
votes
2answers
388 views

.NET 2.0: An established connection was aborted by the software in your host machine

Scenario: I try to post a video to YouTube with the following code: YouTubeEntry createdEntry = service.Upload(newEntry); This works fine on my developer machine (running Windows XP). It fails on a ...
1
vote
0answers
282 views

Apache2 mod_proxy_fcgi closes a connection after each request

I set up mod_proxy_fcgi do go with apache and php-fpm. If I read the FCGI spec correctly, the typical flow for the communication between a server is to keep the connections between the web server and ...
5
votes
4answers
4k views

Can't connect to MySQL using 'localhost' but using '127.0.0.1' it's ok?

My /etc/hosts file looks like this: 127.0.0.1 localhost # The following lines are desirable for IPv6 capable hosts ::1 ip6-localhost ip6-loopback fe00::0 ip6-localnet ff00::0 ip6-mcastprefix ...
0
votes
1answer
282 views

Python cant connect to local MySQL server through socket [closed]

I have a python script which is designed to add things to a MYSQL database. The error I get is this: Can't connect to local MySQL server through socket '/var/run/mysqld/mysqld.sock I've checked the ...
6
votes
5answers
4k views

Forward local port or socket file to remote socket file

Quick question - I run two linux boxes, one my own desktop and the other my VPS. For security reasons on the VPS end I opted for socket connections to MySQL (/var/run/mysqld/mysql.sock). I know I can ...
0
votes
1answer
667 views

Allow socket connection in Solaris

I have 2 solaris machines and I have an application that opens a socket via port 8556, but for some reason the connection keeps getting refused. When I run a netstat command on the second server ...
0
votes
4answers
10k views

Can't connect to local MySQL server through socket '/var/run/mysqld/mysqld.sock' (2) on subsequent connection through terminal

My sincere apologies for asking something that obviously has been answered before. The fact that I'm posting is that i would like to be absolutely sure since it's about a live server running ...