matt,
you don't need to install ganglia-monitor-core-lib on any machine unless
you are going to compile gexec from source. the gexec compilation
requires libganglia but it statically compiles against libganglia.a.
I needed the ganglia-monitor-core-lib to compile gexec to get
the /usr/include/ganglia files.
as far as the connection error. that means that gexec(d) is not installed
on virtue OR is installed but not responding. gexecd is an (x)inetd
daemon so it's possible that xinetd is either down or not working
correctly on virtue.
I am NOT running xinetd. I took out the xinetd code. We did this with
version 0.1 and it worked ok. Is xinetd required now?
There is a gexecd in /usr/sbin. I would did not see an
/etc/rc.d/init.d/gexecd though.
I tried running gexecd manually and got the following:
virtue:/scratch/ganglia# gexecd
Bind error on TCP socket on port 2875
Again, is this because xinetd is now required?
check the syslog on virtue for errors. make sure xinetd is installed and
working.
gexecd by default binds to port 2875/tcp so a "telnet virtue 2875" will
let you know if the daemon on virtue is responding or not.
The telnet fails (as you would expect since gexecd is not running):
virtue:/scratch/ganglia# telnet virtue 2875
Trying 192.168.3.1...
Connected to virtue.
Escape character is '^]'.
Connection closed by foreign host.
Should I reply to you directly or to the list?
Thanks,
Joe
good luck.. let me know if this helps.
-matt
Today, Joe Griffin wrote forth saying...
Hello,
As you can see, I am a newbie to Ganglia. I installed:
authd, libe, ganglia-monitor-core-lib, and gexec.
The error I am getting is:
virtue:/scratch/gang/gexec-0.3.3# gexec -n 0 uname
Could not connect to virtue (192.168.3.1)
I can "ssh" though:
virtue:/scratch/gang/gexec-0.3.3# ssh virtue date
Thu May 2 11:18:21 PDT 2002
Can someone please tell me what I need to do?
I am not sure what to set GEXEC_SVRS to.
I have a 5 node cluster (headnode:virtue)
other nodes msc[1-4].
I tried setting GEXEC_SVRS to "virtue" and "msc1"
but got the same error. I also looked in the
archives:
https://sourceforge.net/mailarchive/forum.php?max_rows=25&style=ultimate&offset=25&forum_id=7186
But did not see anything.
When I rebuilt gexec, I tried w/ and w/o --enable-ganglia.
I am running on:
Pentium III's
kernel: 2.4.6
glibc 2.2.3
openssh 3.1
openssl 0.9.6c
libe 0.2.0
authd 0.2.0
ganglia-monitor-core-lib 2.3.0
gexec 0.3.3
In summary, ssh works, but gexec does not.
I did all of the openssl type commands:
virtue:/scratch/gang# ls -l /etc/auth*
-rw------- 1 root root 497 May 1 12:47 /etc/auth_priv.pem
-rw-r--r-- 1 root root 182 May 1 12:47 /etc/auth_pub.pem
Thanks,
Joe
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