====== Poznamky z kurzu skoleni nagios ======

<code bash>
iptables -I OUTPUT -d 10.0.4.159 -j REJECT
iptables -I OUTPUT -d 10.0.4.159 -p tcp --dport 22 -j REJECT
</code>

===== Monitoring ucebny =====
A vytvoreni 2D mapy pomoci template

{{ :linux:skoleni:tmp_5876-img_20160129_104551-249151051.jpg?600 |}}


<file nagios-ucebna.txt>
nagios-ucebna.txt
tomas 42 9 226 240
noro 22 7 622 310
martin 29 5 711 319
jakub 23 10 584 114
marek 31 4 436 169
vladimir 40 38 75 95
</file>

<file ucebna.templ>
define host {
        use             generic-host
        host_name       _JMENO_
        alias           _JMENO_
        address         192.168.6._IP_
        parents         lektor_nb

        2d_coords       _X_,_Y_
        statusmap_image up.gd2
}
</file>

<file ucebna-parent.templ>
define host {
        use             generic-host
        host_name       _JMENO_
        alias           _JMENO_
        address         192.168.6._IP_
        parents         _PARENT_

        2d_coords       _X_,_Y_
        statusmap_image up.gd2
}
</file>


<code bash>
#!/bin/bash

cat nagios-ucebna.txt | while read jmeno ip1 ip2 x y; do
        sed "s/_JMENO_/$jmeno$ip1/;s/_IP_/$ip1/;s/_PARENT_/$jmeno$ip2/;s/_X_/$x/;s/_Y_/$y/" ucebna-parent.templ
        let xx=$x+30
        sed "s/_JMENO_/$jmeno$ip2/;s/_IP_/$ip2/;s/_X_/$xx/;s/_Y_/$y/" ucebna.templ
done
</code>

apt-get install nagios-nrpe-server