Nagios

how to add a new service in nagios


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Nagios INternal Server Error

Dear all
i installed nagios on centos. everythins is ok. i can view and login nagios web site. but when i click on every links i recieved error:
-------------------------------------------------
Internal Server Error

The server encountered an internal error or misconfiguration and was unable to complete your request.

Please contact the server administrator, root@localhost and inform them of the time the error occurred, and anything you might have done that may have caused the error.

More information about this error may be available in the server error log.
Apache/2.2.3 (CentOS) Server at 192.168.100.17 Port 80
-------------------------------------------------------

all links say this error.
please some body help me.


/etc/httpd/conf.d/nagios.conf :
---------------------------------------------------
AllowOverride None
Order allow,deny
Allow from all
# Order deny,allow
# Deny from all
# Allow from 127.0.0.1
AuthName "Nagios Access"
AuthType Basic
AuthUserFile /usr/local/nagios/etc/htpasswd.users
Require valid-user
</Directory>

Alias /nagios "/usr/local/nagios/share"

<Directory "/usr/local/nagios/share">
# SSLRequireSSL
Options None
AllowOverride None
Order allow,deny
Allow from all
# Order deny,allow
# Deny from all
# Allow from 127.0.0.1
AuthName "Nagios Access"
AuthType Basic
AuthUserFile /usr/local/nagios/etc/htpasswd.users
Require valid-user
</Directory>
---------------------------------------------------------

Systemd Starting Services

hi all

I am learning systemd and how to add new services as part of the LFS201 course and I have a question about the services:
Code:
Lab 4.2: Adding a New Startup Service with systemd
For example a very minimal file named
/etc/systemd/system/fake2.service:
[Unit]
Description=fake2
After=network.target
[Service]
ExecStart=/bin/echo I am starting the fake2 service
ExecStop=/bin/echo I am stopping the fake2 service
[Install]
WantedBy=multi-user.target

Code:
root@ubuntu:/etc/systemd/system# systemctl start fake.service
root@ubuntu:/etc/systemd/system# systemctl status fake.service
 fake.service - fake
   Loaded: loaded (/etc/systemd/system/fake.service; disabled; vendor preset: enabled)
   Active: inactive (dead)

May 16 11:41:05 ubuntu systemd[1]: Started fake.
May 16 11:41:05 ubuntu systemd[1]: Starting fake...
May 16 11:41:05 ubuntu echo[1798]: I am starting the fake2 service
May 16 11:41:05 ubuntu echo[1800]: I am stopping the fake2 service
root@ubuntu:/etc/systemd/system# ps aux | grep fake*
root      1809  0.0  0.0  13688  2272 pts/8    S+   11:41   0:00 grep --color=auto fake.service
root@ubuntu:/etc/systemd/system#

as you can see the fake2 service is really only two lines. And when I grep for the service via ps I can't fine it. I guess it is because it has finished running. I am wondering how can I change it so that I can keep it running?

thanks

Linux Server

i had a problem, i installed and config squid on fedora complete but when i start service squid not success it was display job for squid.service fail. See "systemctl status squid.service" and "journalctl -xe" for details please help me

I Want To Disable Ftp And Use Sftp.

I am using Suse 12 Enterprise.
I would like to use sftp and disable ftp.
Presently I am able to do both.
I stopped vsftpd.service.
Tried comment on ports 20 & 21 in /etc/services.
Stop FTP server using YAST.
Stopped xinetd tftp service using YAST.
Is it wise to turn this service off?
How do I display the status for sftp and ftp?
I am still able to ftp.
Where is the kill switch?

Does Linux Have Server Roles And Service Accounts Too?

I know in the Windows World, servers have roles (IIS, MSSQL) and there are service accounts.

What is the correct way to refer to a server that just runs Apache, a server role too?

And user/groups accounts, like httpd, are those accounts also referred to as service accounts too?

I just want to make sure I'm using the correct terminological.

How To Find The Driver And Use This Service?

Hi All,

I want to use some driver service in my program. How can I do it?

Service '/usr/bin/firefox' Is Malformatted

When someone send me a link on viber and click on it , pops up that dialog
"Service '/usr/bin/firefox' is malformatted"
How can fix this ?
I use slackware 14

PhpVirtualBox Cannot Connect To 127.0.0.1:18083

I am using phpVirtualBox, and everything is working perfectly. Then something changes, and I get the following error:
Code:
Could not connect to host (http://127.0.0.1:18083/)

I reboot the physical machine, or execute /etc/init.d/vboxweb-service restart, and then everything works for a while.

According to http://sourceforge.net/p/phpvirtualb...onnect-to-host, there are three reasons why this will happen.
Quote:
This indicates that phpVirtualBox could not connect to the vboxwebsrv server. Either the location setting in config.php is wrong, vboxwebsrv is not running on the VirtualBox host, or SELinux is blocking access to vboxwebsrv. If you have SELinux enabled
As shown below, it is not reason 2 or 3.

Code:
[root@devserver ~]# service vboxweb-service status
Checking for VBox Web Service ...running
[root@devserver ~]# service vboxdrv status
VirtualBox kernel modules (vboxdrv, vboxnetflt, vboxnetadp, vboxpci) are loaded.
[root@devserver ~]# service vboxautostart-service status
Usage: /etc/init.d/vboxautostart-service {start|stop}
[root@devserver ~]# service  vboxballoonctrl-service status
Checking for VBox watchdog service ...not running
[root@devserver ~]# sestatus
SELinux status:                 enabled
SELinuxfs mount:                /selinux
Current mode:                   permissive
Mode from config file:          permissive
Policy version:                 24
Policy from config file:        targeted
[root@devserver ~]#

Thus it must be that the location setting in config.php is wrong. config.php has the following default settings, and I left them as is.

Code:
/* SOAP URL of vboxwebsrv (not phpVirtualBox's URL) */
var $location = 'http://127.0.0.1:18083/';
...
// Host / ip to use for console connections
#var $consoleHost = '192.168.1.40';

According to http://sourceforge.net/p/phpvirtualb...-configuration, "If VirtualBox and phpVirtualBox are on the same physical host, you may leave the $location setting alone". VirtualBox and phpVirtualBox are definitely on the same physical machine.

Please provide recommendations.

Ftp Stops As Well As Firewall Stops

Hi,

I am running a centOS 6 server , with public ip as web-server. Sometimes the ftp service & firewall ( system-config-firewall) gets dead /crashed.

i have to start messagebus service in-order to start firewall.


what is the real cause of this issue ? Dos attack ?

netstat doesn't show any unusual ip connections

RHCSA Exam

I am appearing for RHCSA exam next week. I want to ask a simple question. CAN I DELETE FIREWALL RULE in RHCSA exam.

# service iptables stop
# iptables -F
# service iptables save


Any tips/suggestion for RHCSA exam would be really appreciated.


Thanks