Troubleshoot

How to disable EEE feature on the nic on RHEL7-8/Centos7-8

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  Environment Red Hat Enterprise Linux 7 Red Hat Enterprise Linux 8 CentOS 7 CentOS 8 Issue Would like to disable the (Energy Efficient Ethernet) EEE feature of the NIC. Resolution To disable EEE use the ethtool command. In the example below, EEE is disabled on eth0: # ethtool –set-eee eth0 eee off To make …

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RHEL 7 Slow Login – Delay in SSH login

29 Comments / centos 7, ISSUE, RHEL7, Troubleshoot / By

RHEL 7 Slow Login – Delay in SSH login  Why does it take a long time to get on login prompt after successful authentication with ssh with correct credentials? ISSUE: It takes more than 20 sec to login with ssh Delay happens after successful login authentication  you find below error message in /var/log/secure  sshd[19312]: pam_systemd(sshd:session): …

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