Re: Ubuntu 10.04 - Cannot Create TCP/IP Sockets

Maybe SElinux is in the way?

Dai, Tino wrote:
> Couple of things to try:
>
> - The default process is not postmaster any more, rather is it postgres:
>
> http://www.postgresql.org/docs/8.4/interactive/server-start.html
>
> - Try manually starting up the postgres with the debug cranked all the way up, see what that gives you in the server logs
>
> - Perhaps try moving the port to somewhere else with the postgres command
>
> HTH,
> Tino
>
> ________________________________________
> From: pgsql-admin-owner(at)postgresql(dot)org [pgsql-admin-owner(at)postgresql(dot)org] On Behalf Of Daniel J. Summers [daniel(dot)lists(at)djs-consulting(dot)com]
> Sent: Sunday, May 02, 2010 11:45 PM
> To: Dai, Tino; pgsql-admin(at)postgresql(dot)org
> Subject: [ADMIN] Ubuntu 10.04 - Cannot Create TCP/IP Sockets
>
> Good evening.
>
> I've recently provisioned a new Ubuntu 10.04 server. I ran "apt-get
> install postgresql-8.4", just like I normally do when I'm setting up a
> new server. However, this time I got an error about an inability to
> create TCP/IP sockets. The full error is below.
>
> * Starting PostgreSQL 8.4 database server
> * The PostgreSQL server failed to start. Please check the log output:
> 2010-05-03 03:36:06 UTC LOG: could not bind IPv4 socket: Cannot assign
> requested address
> 2010-05-03 03:36:06 UTC HINT: Is another postmaster already running on
> port 5432? If not, wait a few seconds and retry.
> 2010-05-03 03:36:06 UTC WARNING: could not create listen socket for
> "localhost"
> 2010-05-03 03:36:06 UTC FATAL: could not create any TCP/IP sockets
>
> However, there is nothing on port 5432...
>
> root(at)coolnewserver:~# netstat -l
> Active Internet connections (only servers)
> Proto Recv-Q Send-Q Local Address Foreign Address State
> tcp 0 0 *:ssh *:* LISTEN
> tcp 0 0 localhost:smtp *:* LISTEN
> tcp6 0 0 [::]:ssh [::]:* LISTEN
>
> ..and no postgresql processes...
>
> root(at)coolnewserver:~# ps -ef | grep postgresql
> root 7738 3403 0 03:37 pts/0 00:00:00 grep --color=auto postgresql
> root(at)coolnewserver:~# ps -ef | grep postmaster
> root 7740 3403 0 03:37 pts/0 00:00:00 grep --color=auto postmaster
>
> Possibly pertinent lines from /etc/postgresql/8.4/main/postgresql.conf...
>
> listen_addresses = 'localhost'
> port = 5432
> max_connections = 100
> unix_socket_directory = '/var/run/postgresql'
>
> ..permissions on that last directory are...
>
> drwxrwsr-x 2 postgres postgres 40 2010-05-03 03:10 postgresql
>
> ..and localhost is resolving...
>
> root(at)coolnewserver:~# nslookup localhost
> Server: [IP]
> Address: [IP]#53
>
> Name: localhost
> Address: 127.0.0.1
>
> Using search engines, I've seen this error, and my question, asked on
> occasion; what I didn't find was what the actual solution was. Anyone
> remember? I'll be sure to post what I find, so that maybe others can
> benefit a few years from now. :)
>
> Thanks...
>
>
> Daniel
>
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