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by bertalanimre
2017/05/24 11:58:01
Forum: CentOS 7 - Security Support
Topic: Firewall issues - need to restart firewall after booting system to get it to work
Replies: 1
Views: 872

Re: Firewall issues - need to restart firewall after booting system to get it to work

How did you add the port to the zone? If you havent included the --permanent option, it will lose the settings after a firewalld restart. Luckily firewalld can save your current settings too with the following command: firewall-cmd --runtime-to-permanent Report back if it worked. Oh, this is my 100t...
by bertalanimre
2017/05/24 08:55:35
Forum: CentOS 7 - General Support
Topic: OMD Start Error
Replies: 28
Views: 11668

Re: OMD Start Error

So if I read correctly, you want to monitor your localhost only? In that case, only_from should be like this only_from = 10.234.20.36 127.0.0.1 Also remove the # from the beginning, otherwise it is all for nothing. Then restart xinetd systemctl restart xinetd Test your connection ( I don't see why i...
by bertalanimre
2017/05/23 13:05:05
Forum: CentOS 7 - General Support
Topic: [SOLVED] Installation on HP Elitebook 850 G4 fails
Replies: 8
Views: 2744

Re: [SOLVED] Installation on HP Elitebook 850 G4 fails

If it is not a big problem, I would try creating the bootUSB with the Fedora Media Writer. :) I know and used dd before but I don't think that is the best solution.
by bertalanimre
2017/05/23 13:03:18
Forum: CentOS 7 - General Support
Topic: OMD Start Error
Replies: 28
Views: 11668

Re: OMD Start Error

'-.- your client IP = The IP of the server you wish to monitor.

Monitoring server = where OMD is installed
Monitored server = The server (client) that you want to observe
by bertalanimre
2017/05/22 14:52:20
Forum: CentOS 7 - General Support
Topic: OMD Start Error
Replies: 28
Views: 11668

Re: OMD Start Error

Well, I assume you don't want to monitor only your localhost server, right? To add new servers (hosts) they are called clients in term of the OMD server in this architecture. On the server, yes OFC you have to execute these commands since (as you can see) it is for installing OMD server. With telnet...
by bertalanimre
2017/05/22 12:29:01
Forum: CentOS 7 - General Support
Topic: OMD Start Error
Replies: 28
Views: 11668

Re: OMD Start Error

Read the above. sudo -i su prod omd stop omd config There it should be clear what you need to do. From then on, you only have to save your settings and restart the service. https://mathias-kettner.de/checkmk_install_with_omd.html (Step 5) Here is the hint-guide for myself that I've wrote in case I n...
by bertalanimre
2017/05/22 12:07:05
Forum: CentOS 7 - General Support
Topic: OMD Start Error
Replies: 28
Views: 11668

Re: OMD Start Error

Don't let the version numbers trick you. Which WebUI do you use in the older version? The latest version has the following built-in by default: - check_mk (my choice, da best) - nagios - icinga - thrunk - nagvis Check which WebUI does he use and select the same for your site. sudo -i su prod omd sto...
by bertalanimre
2017/05/22 10:54:36
Forum: CentOS 7 - Security Support
Topic: Two-Factor SSH login to CentOS 7
Replies: 3
Views: 3534

Re: Two-Factor SSH login to CentOS 7

OK, I've solved it on my own. :) Here are the results. !!!!!MAKE SURE YOU CREATE A GOOGLE-AUTHENTICATION FOR THE USER YOU WISH TO LOG IN TO THE SERVER BEFORE MAKING THESE SETTINGS!!!!! In the SSH config, it was all good. The required rows were then the followings: PasswordAuthentication no Challenge...
by bertalanimre
2017/05/22 10:26:45
Forum: CentOS 7 - Security Support
Topic: Two-Factor SSH login to CentOS 7
Replies: 3
Views: 3534

Re: Two-Factor SSH login to CentOS 7

OK, to summ it all up, here my current SSH config: HostKey /etc/ssh/ssh_host_rsa_key HostKey /etc/ssh/ssh_host_ecdsa_key HostKey /etc/ssh/ssh_host_ed25519_key SyslogFacility AUTHPRIV AuthorizedKeysFile .ssh/authorized_keys PasswordAuthentication no ChallengeResponseAuthentication yes AuthenticationM...
by bertalanimre
2017/05/22 10:01:35
Forum: CentOS 7 - General Support
Topic: OMD Start Error
Replies: 28
Views: 11668

Re: OMD Start Error

OK. I'll stay tuned. In the meanwhile I've added some tweaks to the codes so it will will work smoothly. For me, executing only these commands, the OMD website works excelent.

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