Monthly Archives: November 2014

Business process modelling and notation (BPMN) programs

I need to do a flowchart for some IT processes, and have started to look at the programs that might be useful (free for starters), which would work on CentOS 6 and WIN 7 (document exchange), and that it is … Continue reading

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Crochet 5

Some more snowflakes :

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Zabbix and Quality of Service (QoS)

I need to measure QoS for FTP and HTTP/HTTPS. The problem is that they are on the host that has RHEL4U5 on it, and NO Zabbix agent. One of the options is to use the so called “Simple checks”, in … Continue reading

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Tcpdump command

How to get a nice output from the command tcpdump : # tcpdump -vv -n -tttt -i eth0 |grep 10.10.10.4 Where : vv – verbose command output, good idea if no problem is detected in standard output n – gives … Continue reading

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Zabbix and informational pointers

Or what strange information you can get concerning a host or Zabbix server itself. icmp pinger processes more than 75% busy Zabbix forks a number of specialized processes, including pingers that ping hosts in batch. Each pinger has to wait … Continue reading

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Crochet 4

A headband, a hat, and a hoody 😉 I am getting better!

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Zabbix and switches

Or, how to add switches under Zabbix. First check up on the manufacturer of the switch. If it is Cisco, we are in luck, since they are all more or less covered with templates (see here). Check up if the … Continue reading

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Zabbix and network mapping

It is possible to make a network map under Zabbix, but it is a tiring business. Program is not exactly intuitive, and all must be done by hand (manually), which is a big minus for Zabbix, at least as far … Continue reading

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CentOS 6 and Midnight Commander

I had a problem with the time it took my Midnight Commander to start. here is what made the problem : “mc takes quite a few seconds to start due to the fact that during startup mc tries to resolve … Continue reading

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Crochet 3

A headband, and a very nice hat, done all by myself!

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