Useful tips for everyday
How do I start httpd service in Dockerfile? How to configure the HTTPD server on the Docker Container? toDocker repo. Stop Firewalld. Lunch docker container.…
How do I update my kpatch? Procedure Update to a new cumulative version for the current kernel: # yum update “kpatch-patch = $(uname -r)” The…
How do you change permissions in Linux for all files in a folder? To change directory permissions for everyone, use “u” for users, “g” for…
Which of the following operators can be used for string concatenation in Bash? You can also concatenate strings by using the += operator. It is…
What port does secure email use? Port 587 Port 587: The standard secure SMTP port Modern email servers use port 587 for the secure submission…
How do you check all command history in Linux? In Linux, there is a very useful command to show you all of the last commands…
Can I install Ubuntu on a dynamic disk? It is not possible to install Ubuntu in such a dynamic partition. You will have to convert…
What is Nproc in Ulimit? DESCRIPTION Print the number of processing units available to the current process, which may be less than the number of…
How do I assign a group to a file? Use the following procedure to change the group ownership of a file. Become superuser or assume…
How do I install CentOS 7 on my computer? Download the application for your system (Windows, macOS or Linux), install and run. The setup is…