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Showing posts from February, 2021

SSH connection slow in RHEL 7

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  Sometimes we faced issue with making ssh server connection very slow. It takes time while we access it through terminal or any third party tool. Below is one of the common solution for this issue. Step1- Go to the SSH Server then edit /etc/ssh/sshd_config Step2- Set UseDNS no and save file Step3- Restart service after changing sshd_config RHEL7(Higher)- systemctl restart sshd.service Ubuntu- sudo service ssh restart  or you can use sudo /etc/init.d/ssh restart

How to create AWS IAM user with specific permissions

  AWS IAM User Please visit YouTube channel for more details- https://www.youtube.com/channel/UCh4Fd3WMtxINrslt7p-xM7g

How to enable MFA in AWS root Account

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                                            https://www.youtube.com/watch?v=uOJB9bs721c

Ubuntu user asking password again and again and given password is not working

  Solution- move to terminal mode (CTRL+ALT+f1, CTRL+ALT+F4)  login with the user then sudo chmod -R u+w /home/user cd /home/user sudo rm -rf .Xauthority .ICEauthority Move out from this terminal window (Login into Graphics mode CTRL+ALT+F7)