prereq-check.sh output on CentOS 7.3 and CentOS 6.8

prereq-check.sh output

Output of 453d0bbe62908bcf904b99520fdf7f390f445909

[root@maru-centos73 prereq-checks]# ./prereq-check.sh 
Cloudera Manager & CDH Prerequisites Checks v1.2.1

System information
-------------------
FQDN:          maru-centos73.gce.cloudera.com
Distro:        CentOS Linux 7.3.1611 (Core) 
Kernel:        3.10.0-514.21.1.el7.x86_64
CPUs:          1x Intel Xeon(R) @ 2.50GHz
RAM:           3 GB
Disks:
               /dev/sda  107.4 GB
Data mounts:   None found
Free space:
               /opt      
               /var/log  
Cloudera RPMs: None installed
Timezone:      America/Los_Angeles
DateTime:      Mon Jun 26 00:59:45 PDT 2017
nsswitch:      files dns myhostname
DNS server:    10.17.181.104
Mount:
/dev/sda1  /                               xfs        rw,relatime,attr2,inode64,noquota

Prerequisite checks
-------------------
 FAIL  System: /proc/sys/vm/swappiness should be 1. Actual: 0
 PASS  System: tuned is not running
 PASS  System: tuned does not auto-start on boot
 PASS  System: /sys/kernel/mm/transparent_hugepage/defrag should be disabled
 PASS  System: SELinux should be disabled
 PASS  System: ntpd is running
 PASS  System: ntpd auto-starts on boot
 FAIL  System: chronyd is not installed
 FAIL  System: chronyd does not auto-start on boot
 PASS  Network: Has Internet connection
 PASS  Network: FQDN looks okay
 WARN  Network: /etc/hosts entries should be <= 2 (use DNS). Actual: 4
 FAIL  Network: iptables is not installed
 FAIL  Network: iptables does not auto-start on boot
 PASS  Network: nscd is running
 PASS  Network: nscd auto-starts on boot
 FAIL  Network: sssd is not installed
 FAIL  Network: sssd does not auto-start on boot
 FAIL  Java: Oracle Java not installed
 PASS  Java: No other Java versions installed
 WARN  Database: MySQL server not installed, skipping version check
 WARN  Database: MySQL connector is not installed

[root@maru-centos73 prereq-checks]# 


[root@maru-centos68 prereq-checks]# ./prereq-check.sh 
Cloudera Manager & CDH Prerequisites Checks v1.2.1

System information
-------------------
FQDN:          maru-centos68.gce.cloudera.com
Distro:        CentOS 6.8
Kernel:        2.6.32-642.3.1.el6.x86_64
CPUs:          1x Intel Xeon(R) @ 2.50GHz
RAM:           3 GB
Disks:
               /dev/sda  107.4 GB
Data mounts:   None found
Free space:
               /opt      
               /var/log  
Cloudera RPMs: None installed
Timezone:      America/Los_Angeles
DateTime:      Mon Jun 26 01:01:11 PDT 2017
nsswitch:      files dns
DNS server:    10.17.181.104
Mount:
/dev/sda1     /                        ext4        rw,relatime,barrier=1,data=ordered

Prerequisite checks
-------------------
 FAIL  System: /proc/sys/vm/swappiness should be 1. Actual: 0
 PASS  System: /sys/kernel/mm/redhat_transparent_hugepage/defrag should be disabled
 PASS  System: SELinux should be disabled
 PASS  System: ntpd is running
 PASS  System: ntpd auto-starts on boot
 PASS  Network: Has Internet connection
 PASS  Network: FQDN looks okay
 WARN  Network: /etc/hosts entries should be <= 2 (use DNS). Actual: 4
 FAIL  Network: iptables is not running
 PASS  Network: iptables does not auto-start on boot
 PASS  Network: nscd is running
 PASS  Network: nscd auto-starts on boot
 FAIL  Network: sssd is not installed
 PASS  Network: sssd does not auto-start on boot
 FAIL  Java: Oracle Java not installed
 PASS  Java: No other Java versions installed
 WARN  Database: MySQL server not installed, skipping version check
 WARN  Database: MySQL connector is not installed

[root@maru-centos68 prereq-checks]#