http://www.datastax.com/support-forums/topic/opcenter-installation-issue-with-ubuntu-1204 Software, Support, and Training for Apache Cassandra en-US Wed, 22 May 2013 01:31:05 +0000 http://bbpress.org/?v=1.0.3 q http://www.datastax.com/support-forums/search.php http://www.datastax.com/support-forums/topic/opcenter-installation-issue-with-ubuntu-1204#post-1860 Mon, 07 May 2012 13:47:16 +0000 Anonymous 1860@http://www.datastax.com/support-forums/ <p>The traceback suggests it is a permission problem. Opscenter daemon tries to access file in /var/run/opscenter. There are usually 2 solutions to such problems:</p> <p>1. Make sure opscenterd service runs as root.<br /> 2. If it is not running as root (and you don't want it to), check which user it runs as, and chown /var/run/opscenter folder accordingly.</p> <p>How do you exactly start the service? </p> http://www.datastax.com/support-forums/topic/opcenter-installation-issue-with-ubuntu-1204#post-1859 Mon, 07 May 2012 13:15:32 +0000 Anonymous 1859@http://www.datastax.com/support-forums/ <p>Hello Guys,<br /> I am using ubuntu 12.04 and cassandra db server.I installed datastax opscenter community version.But I don't know it's not working properly.<br /> When I issued the command service opscenterd start for the first time it gave me the following traceback and the next time nothing at all.</p> <p>The below traceback as suggests for superuser permission I suggest, but when I tried next time with giving the permission still no success.</p> <p>Is it a bug or problem with the linux version(12.04) as I am using or what?Please check out the stack trace and looking for your feedback.</p> <p>When I start opscenterd service it gave me the following traceback.</p> <p>Traceback (most recent call last):<br /> File "/usr/share/opscenter/bin/twistd", line 19, in &lt;module&gt;<br /> run()<br /> File "/usr/share/opscenter/lib/py-debian/2.7/i386/twisted/scripts/twistd.py", line 27, in run<br /> app.run(runApp, ServerOptions)<br /> File "/usr/share/opscenter/lib/py-debian/2.7/i386/twisted/application/app.py", line 631, in run<br /> runApp(config)<br /> File "/usr/share/opscenter/lib/py-debian/2.7/i386/twisted/scripts/twistd.py", line 23, in runApp<br /> _SomeApplicationRunner(config).run()<br /> File "/usr/share/opscenter/lib/py-debian/2.7/i386/twisted/application/app.py", line 373, in run<br /> self.preApplication()<br /> File "/usr/share/opscenter/lib/py-debian/2.7/i386/twisted/scripts/_twistd_unix.py", line 192, in preApplication<br /> checkPID(self.config['pidfile'])<br /> File "/usr/share/opscenter/lib/py-debian/2.7/i386/twisted/scripts/_twistd_unix.py", line 70, in checkPID<br /> pid = int(open(pidfile).read())<br /> IOError: [Errno 13] Permission denied: '/var/run/opscenter/opscenterd.pid' </p>