Linux services and daemons can be controlled with chkconfig command. chkconfig command is mainly used to set given service or daemon run level. In order to work with chkconfig command we need root privileges. systemctl...
Host name is used to identify the systems like hosts, clients, servers etc. Host name provides human readable easy names to remember. In a big environment host names will provides some easy of use. This...
Ubuntu is popular Linux distributions used by millions. In order to access Ubuntu systems remotely we use ssh protocol. So in order to access and manage Ubuntu systems the ssh server should be installed and running...
Sql is very powerful language to query, insert, delete, modify data. Recents years the IT industry have developed some alternative ways to store and retrieve data. NoSQL type database servers become very popular. MongoDb is...
Secure Shell or with its most know name SSH is a protocol developed to connect IT systems remotely and securely. SSH works as expected client server architecture. In this post we will look various security...
Apache or Apache 2 is the most popular web server on the internet. We have set up our Apache server and made some configuration change we want to activate the changes. To active the changes,...
Run Level is a preset operating state in Linux systems. Different run levels have different behavior. How can we change these run levels easily? What are these run levels? Run Levels We will explain the...
Hi, today we will learn managing Linux services with systemd or systemctl. While Linux kernel booting, it loads drivers, mount file systems, starting memory management, creating system calls, etc. But after that what? Linux starts...
I have changed my network configuration and want to restart to make changes effective. Or there are some problems with my network and I think restarting it will solve my problems. Here we will look...
Services are all over the Linux world. Enterprise Linux world turn over services. There are different tools to manage Linux services like Sys-V, upstart, systemd etc. Systemd is gaining popularity in recent times. Fedora, CentOs,...
