Which of the log messages below matches the following Logstash grok filter?
grok {
match => ["message", "%{SYSLOGBASE} new node %{IPORHOST:node}" ]
}

• A.clustermanager[12353]: Jun 30 00:36:49 headnode new node 198.51.100.103
• B.%{SYSLOG-FROM:headnode clustermanager[12353]} new node 198.51.100.103
• C.Jun 30 00:36:49 headnode clustermanager[198.51.100.103]: new node
• D.Jun 30 00:36:49 headnode:
  new node 198.51.100.103 at clustermanager:12353
• E.Jun 30 00:36:49 headnode clustermanager[12353]: new node 198.51.100.103

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Configure the FTP service in your system, allow remote access to anonymous login and download the program by this service. Service is still running after system rebooting.

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Configure the NTP service in your system.

Correct Answer:

see explanation below.
Explanation
system-config-date &

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CORRECT TEXT
Configure your Host Name, IP Address, Gateway and DNS.
Host name: station.domain40.example.com
/etc/sysconfig/network
hostname=abc.com
hostname abc.com
IP Address:172.24.40.40/24
Gateway172.24.40.1
DNS:172.24.40.1

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SIMULATION
SELinux must run in force mode.

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