vCenter cron job not work

Find the top 10 for the large files in /var
du -a /var | sort -n -r | head -n 10

If below log too large we can clean it without delete
/var/log/audit/audit.log
truncate -s 0 audit.log

Check the cron job last run date
ls -l /var/spool/cron/lastrun/

Maybe root password expired
chage -l root
chage -m 0 -M 99999 root

Clean old password remember
true > /etc/security/opasswwd

Bind mail control

SPF

    1. IN TXT “v=spf1 ip4:123.123.123.1 ip4:123.123.123.2 -all”

DMARC
_dmarc IN TXT “v=DMARC1;p=quarantine;rua=mailto:rua@abc.com;ruf=mailto:ruf@abc.com”

DKIM
F4EEC778-4C21-11EA-AD84-83DCF040F65E._domainkey IN TXT ( “v=DKIM1; k=rsa; ”
“p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCxICrPoI8+AZ85ney0JRnniswBUCeJSCCmV6eWgxotF7ncQdWLFvNadR5gQiWJi0EHnarsVez6ET+jL9IoHgV6QSyUwBraOKPlU+XzlZVUGUnAn1BdsS6LjdT0anJlu07RiLdgfIJL0zufhEsHVSx3EwWrWL3NQlcLIVi0rCThjwIDAQDB” )

zimbra + DKIM

su – zimbra

Add
/opt/zimbra/libexec/zmdkimkeyutil -a -d abc.com

List
/opt/zimbra/libexec/zmdkimkeyutil -q -d abc.com

Update
/opt/zimbra/libexec/zmdkimkeyutil -u -d abc.com

Add below DKIM from listed before to bind9

DKIM Public signature:
17123458-4C07-11EA-BD1B-35CF8912347D._domainkey IN TXT ( “v=DKIM1; k=rsa; ”
“p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA9JuDf0kA73baq8Ch1234XY5k0BdRLmup5z5R/UAtsUGwUGoakgeBih8NQNMNd+iepHQqtrI8Eq0SG25oLi5UPl9knoUyq9cqyF/gkku5LiclvIKWTT892qJ/HJxUqOtDWi8pAXV8hkAOhFVdtweQ37w+SqNtF2UvJCI/npQIML86R23+PCErxCIABZP3mEGK8ZsO1m+63VglC8”
“yTSFP7GMLcIUJ6zp5S5ZknwmTc4f/Sa2PVC8H1UR4UhvN2JKr8Dgr3momdKh7NsUu3StLS8bcWQMX8+PPM8UEZTnuOJz6wCAVxtEj1EANBSIKngA/zb1WYU6/p2IRPsg6DAfmFOQIDAQAB” ) ; —– DKIM key 17123458-4C07-11EA-BD1B-35CF8912347D for abc.com

dig +short txt 17123458-4C07-11EA-BD1B-35CF8912347D._domainkey.abc.com @8.8.8.8

tomcat SSL

conf/server.xml

<Connector
protocol=”org.apache.coyote.http11.Http11NioProtocol”
port=”8443″ maxThreads=”200″
scheme=”https” secure=”true” SSLEnabled=”true”
keystoreFile=”conf/cert/xxx.pfx” keystorePass=”xxx”
keystoreType=”PKCS12″
clientAuth=”false” sslProtocol=”TLS”/>