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1379 discussions

Wrong time zone in email alerts
by Ole Martin Bjorndalen 23 Jun '09

23 Jun '09

The new Alertengine sends email alerts where the Date header is in UTC instead of local time: From nav(a)gullars.uit.no Tue Jun 16 10:05:14 2009 Date: Tue, 16 Jun 2009 08:05:40 -0000 Alertengine uses Django to send mail, and Django sets the Date header like this: from email.Utils import formatdate, parseaddr, formataddr ... if 'date' not in header_names: msg['Date'] = formatdate() Calling formatdate() without arguments returns a date in UTC. So Django disregards its own time zone setting here. I'm not sure if it's done on purpose, but anyway a workaround in Alertengine would be to set the Date header explicitly to some localtime value, perhaps with: formatdate(localtime=True) or even better, use a value based on the time zone in the Django config. (Not sure how to do that.)

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getBoksMacs is segfaulting
by Ingeborg Hellemo 23 Jun '09

23 Jun '09

getBoksMacs is sometimes, but not always, segfaulting and we need some hints about debugging. >From getBoksMacs.log it seems that i it crashes early, right after reading the database: Jun 10 11:03:35 2009 getBoksData null-5-INIT ============ getBoksData starting ============ Jun 10 11:03:35 2009 getBoksData null-5-INIT Running with 12 threads. Could not read watchMacs.conf Dumping data from tables... netboxmac...15514 ms. boks...154 ms. swport...300 ms. swportblocked...1194 ms. vlan...560 ms. swp_boks...27 ms. OID db...363 ms. # # An unexpected error has been detected by Java Runtime Environment: # # SIGSEGV (0xb) at pc=0x000000080102edc6, pid=446, tid=0x1832780 # # Java VM: Diablo Java HotSpot(TM) 64-Bit Server VM (10.0-b23 mixed mode bsd-amd64) # Problematic frame: # V [libjvm.so+0x52edc6] # # An error report file with more information is saved as: # /usr/local/nav/lib/java/getBoksMacs/hs_err_pid446.log Sometimes it also manage to write the line "cam... XXXms." The error report is attached. If the script gets past this point without crashing it runs without problems. We have tried to vary the number of threads without seeing any difference. OS: FreeBSD 7.1-RELEASE-p5 amd64 Java: diablo-jdk-1.6.0.07.02_5 Java Development Kit 1.6.0_07.02 --Ingeborg -- Ingeborg Østrem Hellemo -- ingeborg.hellemo(a)uit.no (Univ. of Tromsø, Norway)

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rrd-reading process crashes
by Ingeborg Hellemo 04 Jun '09

04 Jun '09

We have just installed NAV 3.5.4 om a host running 7.1-RELEASE-p5 amd64. When we try to reach URLs like <https://nav.uit.no/rrd/ds=211476/> the page is empty and httpd-error says child pid 48021 exit signal Segmentation fault (11) Where do I start debugging? Which process is seg-faulting? --Ingeborg -- Ingeborg Østrem Hellemo -- ingeborg.hellemo(a)uit.no (Univ. of Tromsø, Norway)

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How does NAV use snmp read and write communities when both are present ?
by Gro-Anita Hillestad Vindheim 28 Mai '09

28 Mai '09

A very long subject, repeated here: How does NAV use snmp read and write communities when both are present ? Untill now, we have only used snmp read on our core boxes. We are going to deploy vlanAdmin on some core boxes, and thus we need to register snmp write communities for these. We'll use snmpview-functionality to control the permission for the snmp write community. Will this affect the NAV data collection in any way, or does all collection use snmp read even with snmp write present? (I think NAV uses snmp read, and that everything will work fine, I just have to check... ) Gro-Anita

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Announcement: NAV 3.5.4 released
by Morten Brekkevold 15 Mai '09

15 Mai '09

NAV 3.5.4 is now available for download at Launchpad: https://launchpad.net/nav/3.5/3.5.4 This release fixes a regression introduced by yesterday's release of NAV 3.5.3. Users of NAV 3.5.3 running under Python 2.5 or newer will not be able to log in to the web interface. Those running NAV on Python 2.4 should not experience this issue. A binary package for Debian Etch will be made available as soon as possible. The Debian package is maintained by Morten Werner Forsbring, on commission From UNINETT. Happy NAVing everyone! -- mvh Morten Brekkevold UNINETT

4 3

Installing from source on Ubuntu server
by Jan Egil Sjåstad 13 Mai '09

13 Mai '09

I'm now trying to install NAV on a server running Ubuntu 6.06.2 (2.6.15-54-amd64-server), following the procedure found here: http://metanav.uninett.no/installing_from_source_on_debian When running the 'make' command I get the following result: Cheetah.Parser.ParseError: Expected assignment operator at line 99, column 22 in file AcctChartsTemplate.tmpl Line|Line contents ----|------------------------------------------------------------- 96 | #if type($column) == type('') 97 | <th>$column</th> 98 | #else 99 | #set $title, $key = $column ^ 100 | #if $key == $sort 101 | <th><a href="?sort=-$key">$title</a></th> 102 | #else make[2]: *** [AcctChartsTemplate.py] Error 1 make[2]: Leaving directory `/home/janegils/nav-3.5.2/subsystem/radius/src' make[1]: *** [all] Error 2 make[1]: Leaving directory `/home/janegils/nav-3.5.2/subsystem/radius' make: *** [all] Error 1 Any idea what the problem is? Is the Ubuntu installlation too old? Jan Egil

2 1

Announcement: NAV 3.5.3 released
by Morten Brekkevold 13 Mai '09

13 Mai '09

NAV 3.5.3 is now available for download at Launchpad: https://launchpad.net/nav/3.5/3.5.3 This release fixes 19 bugs in NAV 3.5, and attempts to resolve the issue described in the last question of the FAQ: http://metanav.uninett.no/navfaq This optimization may also prove to mitigate some issues with the camlogger using too much time on some installations. A binary package for Debian Etch will be made available as soon as possible. The Debian package is maintained by Morten Werner Forsbring, on commission From UNINETT. Happy NAVing everyone! -- mvh Morten Brekkevold UNINETT

1 0

Apache/python issue?
by jan.sjastad＠q-free.com 07 Mai '09

07 Mai '09

Hi, I have recently tried to install NAV on a computer running Ubuntu Linux. Seems like I hav an issue with the Apache/Python configuration, if I try to enter the NAV web interfac (click on index.py) I get this responce: MOD_PYTHON ERROR ProcessId: 4210 Interpreter: '127.0.1.1' ServerName: '127.0.1.1' DocumentRoot: '/var/www/' URI: '/nav' Location: None Directory: '/var/www/nav/' Filename: '/var/www/nav' PathInfo: '' Phase: 'PythonHeaderParserHandler' Handler: 'nav.web' Traceback (most recent call last): File "/usr/lib/python2.5/site-packages/mod_python/importer.py", line 1537, in HandlerDispatch default=default_handler, arg=req, silent=hlist.silent) File "/usr/lib/python2.5/site-packages/mod_python/importer.py", line 1202, in _process_target module = import_module(module_name, path=path) File "/usr/lib/python2.5/site-packages/mod_python/importer.py", line 304, in import_module return __import__(module_name, {}, {}, ['*']) ImportError: No module named nav.web Have you seen this before/any idea where the problem might be? Jan Egil Sjåstad

2 3

NAV and Cisco ASA
by Stokkenes Vidar 21 Apr '09

21 Apr '09

Hello, Can someone please explain how NAV deals with Cisco ASA (or general DMZ/firewall appliances) when you have... lets say 10 virtual interfaces (sub interfaces, or VLAN interfaces)? Logically these different virtual interfaces are separated from eachother (like a general 'GW' or 'GSW' device), and I would imagine that NAV is confused about this. In my scenario, my NAV box is logically located on a Cisco ASA subinterface (a "DMZ"), but even if I add my default gateway (my vlans default GW) to NAV, it doesn't seem to poll ARP info from the Cisco ASA appliance. As I said earlier, I can imagine that NAV doesn't know how to deal with or parse the output of its ARP table as it looks like something like this: DMZ_1 192.168.1.130 0011.850f.2e01 DMZ_1 192.168.1.111 000c.29d0.772b DMZ_1 192.168.1.116 000c.2949.e0dd DMZ_1 192.168.1.153 000c.29fd.a981 DMZ_1 192.168.1.152 0013.2100.3a5b DMZ_1 192.168.1.112 000d.9d4b.039f DMZ_1 192.168.1.151 0015.1748.2291 DMZ_1 192.168.1.115 0015.1748.2025 DMZ_1 192.168.1.110 0015.1748.2639 DMZ_2 192.168.2.18 001a.a04e.6701 DMZ_2 192.168.2.13 0050.56a5.1974 DMZ_2 192.168.2.31 4a62.1283.06f1 DMZ_2 192.168.2.14 0050.56a5.4802 DMZ_2 192.168.2.30 0050.56b2.25a5 DMZ_2 192.168.2.29 0050.56b2.7c29 DMZ_2 192.168.2.200 001a.e3b1.2888 DMZ_2 192.168.2.27 0050.56b2.1531 DMZ_2 192.168.2.26 0050.56b2.5466 DMZ_2 192.168.2.10 0022.55ca.bf60 DMZ_2 192.168.2.11 0015.1720.97d6 DMZ_2 192.168.2.25 001e.c9d2.45ad DMZ_2 192.168.2.202 0022.919a.541b DMZ_2 192.168.2.20 0015.1774.6ed8 DMZ_2 192.168.2.16 0015.1715.1f3c DMZ_2 192.168.2.12 0015.1720.95c5 DMZ_2 192.168.2.17 0015.1715.1f31 DMZ_2 192.168.2.22 0011.435a.f430 DMZ_2 192.168.2.15 0015.171e.6381 DMZ_2 192.168.2.28 0050.56b2.7394 DMZ_2 192.168.2.21 0050.56b2.4c62 By all means, maybe I am mistaking - but can someone please enlighten me how to deal with these devices in NAV? Do I have to add *every* subinterface to NAV, or would it be sufficient to add whichever side is pointing towards my management network? As it appears now, NAV doesn't seem to poll ARP tables from this device (most likely because it doesn't know how to parse the table..) I also understand that even if I managed to poll ARP data from this device, I would never be able to see a box's physical (port) location as the MAC-port map table is located on another device (the core and edge switch) Thanks for any replies, and happy belated easter! ------------------------------------------------------ Vidar Stokkenes Networking Consulant Networking and telecom Department HN IKT - Tromsø Tlf: +47 76 16 61 87 / +47 77 66 99 55 Cell: +47 95 87 99 42 e-mail: vidar.stokkenes(a)hn-ikt.no  Before printing, think about the environment

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Questions regarding adding devices to NAV from a different frontend.
by Stokkenes Vidar 06 Apr '09

06 Apr '09

Hello, We are currently looking into different ways to make one "authorative" device registry for servers and network equipment for our network (which is not necessarily NAV) I am simply wondering if there is any available contrib script or method to push a new Location, Room and Device into the database without using the NAV GUI? (by using a shell script, CGI, etc) That way we could use a different GUI adding new devices into NAV without depending on using the GUI. I realize that a lot of it can be done by pushing stuff directly into the PostgreSQL database, but I assume I would need some shell scripting in order to add a new device to NAV? The reason I'm wondering is because we're currently using a self scripted inventory registry for servers, and would like to know the possibility to add new devices by pushing info from this registry to the NAV database, without depending on using NAVs GUI to add new devices. I hope the question wasn't too complicated. Regards, ------------------------------------------------------ Vidar Stokkenes Networking Consulant Networking and telecom Department HN IKT - Tromsø Tlf: 76 16 61 87 / 77 66 99 55 Cell: 95 87 99 42 e-mail: vidar.stokkenes(a)hn-ikt.no  Before printing, think about the environment

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