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troubleshoot

Sosreport

April 16, 2021

Install

yum install sos

yum install sos

Run sosreport

sosreport

sosreport

Case number will be part of exported report located in /var/tmp.

cd /var/tmp

cd /var/tmp

Filed Under: Linux Tagged With: report, sosreport, troubleshoot

Troubleshoot Nameservers with Dig

April 8, 2021

Here’s how to troubleshoot nameservers with dig.

dig hostname
dig domain.com

dig hostname dig domain.com

To test a specific nameserver.

dig @nameserver hostname
dig @nameserver ip-address

dig @nameserver hostname dig @nameserver ip-address

Other options.

dig hostname.domain.com +short
dig hostname.domain.com +noall +answer
dig @nameserver MX domain.com
dig @nameserver AAAA domain.com

dig hostname.domain.com +short dig hostname.domain.com +noall +answer dig @nameserver MX domain.com dig @nameserver AAAA domain.com

Filed Under: Linux Tagged With: dig, nameservers, test, troubleshoot

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