In another post I wrote before, slow SSH login issue -- after you enter the username, it takes some time (a minute or a few) to show the password prompt, could be due to the wrong DNS configuration. And there is a configuration option UseDNS for sshd and by default it's enabled (value yes) which … Continue reading Troubleshooting SSH slow login
Month: November 2022
reboot, shutdown, halt & systemctl
If you have been working on Linux for some time -- longer than a few years, you probably has come from runlevel days which the services are managed by SysV init scripts. So you are familiar with the commands like shutdown, init, halt, reboot etc. which are used to start, stop or bring the system … Continue reading reboot, shutdown, halt & systemctl