Linux
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Linux
nohup Command with Examples
Ever started a long-running task in Linux only to have it abruptly terminated when you close your terminal window? That’s where the nohup command comes in. Short for “no hangup”, nohup ensures your commands and scripts continue execution even after you log out or your connection is interrupted. Understanding the…
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CentOS/RHEL 8
How to reset root password in RHEL 8
In this tutorial, we will learn how to reset root password in RHEL 8 operating system which you may have forgotten. What if we forgot root user password? Is it possible to reset a forgotten root user password in RHEL 8 / CentOS 8 Linux? If this is your question,…
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Oracle Solaris
Sendmail: unable to qualify my own domain name (localhost) — using short name
In this tutorial, we will learn how to solve the most common error in /var/adm/messages “unable to qualify my own domain name (localhost) — using short name” in Solaris 11 operating system. If sendmail can’t find a hostname for itself that contains a dot (“.”), it will sleep for 60…
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