nagios¶ÔlinuxϵͳµÄ¼à¿Ø
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1.´´½¨ÕʺÅ
useradd nagios
passwd nagios
2.°²×°nagios²å¼þ
tar xvzf nagios-plugins-*.tar.gz
./configure
make && make install
chown nagios.nagios /usr/local/nagios
chown -R nagios.nagios /usr/local/nagios/libexec
3.°²×°xinetd·þÎñ
yum install xinetd
4.°²×°nrpe daemon
tar xvzf nrpe-*.tar.gz
./configure
make all
make install-plugin
make install-daemon
make install-daemon-config
make install-xinetd --°Ñnrpe daemon °²×°³ÉxinetdµÄÒ»¸ö·þÎñ
±à¼/etc/xinetd.d/nrpeÎļþ
ÐÞ¸Äonly_from =127.0.0.1 nagiosÖ÷»úµÄIP
±à¼/etc/services
Ìí¼Ónrpe 5666/tcp ÕâÒ»ÐÐ
ÖØÆôÒ»ÏÂxinetd ·þÎñ
service xinetd restart
±à¼/usr/local/nagios/etc/nrpe.cfgÎļþÀ´ÅäÖÃÐèÒª¼à¿Ø·þÎñµÄÃüÁî
ÀýÈ磺
/usr/local/nagios/libexec/check_nrpe -H localhost -c check_hda1 ¼ì²éhda Õâ ¿éÓ²Å̵Äÿһ¸ö·ÖÇøÐÅÏ¢¡£
/usr/local/nagios/libexec/check_nrpe -H localhost -c check_users ¼ì²éµÇ½ÕʺŵÄÇé¿ö¡£
¼à¿ØÖ÷»úµÄ°²×°ÅäÖÃ
1.°²×°nrpe ²å¼þ
tar xvzf nrpe-*.tar.gz
./configure
make all
make install-plugin
²âÊÔµ½Ô¶³ÌÖ÷»úµÄͨÐÅÇé¿ö
/usr/local/nagios/libexec/check_nrpe -H Ô¶³ÌÖ÷»úIP
2.´´½¨command¶¨Òå
vi /usr/local/nagios/etc/command.cfg
Ìí¼ÓÒÔÏÂÄÚÈÝ
define command{
command-name check_nrpe
command_line $USER1$/check_nrpe -H $HOSTADDRESS$ -c $arg1$
}
3.¶¨ÒåÖ÷»úºÍ·þÎñ
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Ò»°ãrootÓû§²ÅÄÜÖ´ÐÐlsofÃüÁÆÕͨÓû§¿ÉÒÔ¿´¼û/usr/sbin/lsofÃüÁµ«ÊÇÆÕͨÓû§Ö´ÐлáÏÔʾ“permission denied”
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lsof abc.txt ÏÔʾ¿ªÆôÎļþabc.txtµÄ½ø³Ì
lsof -i :22 ÖªµÀ22¶Ë¿ÚÏÖÔÚÔËÐÐʲô³ÌÐò
lsof -c abc ÏÔʾabc½ø³ÌÏÖÔÚ´ò¿ªµÄÎļþ
lsof -g gid ÏÔʾ¹é ......
==================ÕâÊǶ¯Ì¬¿âte.cppÎļþ
#include <stdio.h>
#include <string.h>
//ÕâÒ»¾äÒ»¶¨ÒªÓÐ,ÕâÊǵ¼³ö¸Ãº¯Êý
extern "C" void add();
void add()
{
printf("@hk.%s(%d): This is add function! \n", __FILE__, __LINE__);
}
g++ -fPIC -shared -o ./libte.so ./te.cpp
============== ......