In this article, we will look into how StringBuffer class is different from StringBuilder Class in Java. A StringBuffer Class is same as String Class with only exceptions that it is mutable which means it can be changed while String Class is Immutable as it cannot be changed. On the other hand if we talk ... Read more
In this tutorial I will take you through the best steps to Install growpart command and Resize root partition in Linux (RHEL/CentOS 7/8). You might have faced a scenario where after installing Linux OS in your Server you needed more space in root partition to install more packages and libraries. While you can increase the ... Read more
In this article, I will guide you through 50 Useful Zypper Command Examples to Manage Packages on OpenSUSE Linux. You might have heard about yum utility for managing packages on RHEL/CentOS Based Servers and apt-get utility on Ubuntu/Debian Based Servers. Similarly we have zypper utility available for OpenSUSE/SUSE based Servers. Zypper is a very useful ... Read more
In this article, I will show you how to start and enable sshd service in OpenSUSE Linux. Sometimes when you try to connect your Server through ssh protocol on Port 22, you won't be able to connect because sshd service is not yet started or not running. Even if you start the sshd service and ... Read more
In this tutorial, I will take you through the steps to Start / Stop / Restart Network Service in OpenSUSE Linux. If you are performing some changes in network configuration file then you always need to stop/start/restart network service for changes to take effect. Similarly if you are troubleshooting any network issue then also you ... Read more
In this article, I will show you how to check Stateful and Stateless Pods in Kubernetes Cluster. Pods are the smallest unit of application runs in Kubernetes Cluster. It can represent a Single Application Container or cluster of application containers and volumes running in the same execution environment. A pod can be stateful or stateless ... Read more
In this article, we will look into 3 easy ways to check/find OpenSUSE Linux version. You can find two important files in OpenSUSE Linux version i.e /etc/os-release and /usr/lib/os-release which contains all the information about the OS. You can simply open the file with cat command and check the release version. Other important tools that ... Read more
In this article, I will take you through 6 Easy Steps to Setup and Manage Log Rotation Using logrotate in Linux (RHEL/CentOS 7/8). As you might be aware that Linux based Servers has a reserved location called /var/log for all the log files that applications and processes generates. So to make sure that log files ... Read more
In this article, I will take you through the steps to migrate CentOS 8 to CentOS Stream 8 in 6 Easy Steps. As you might be aware of the recent announcement by CentOS Project that it is ending the life of traditional CentOS version which we all have been using for a long time. As ... Read more
In this article, we will look into 26 iostat, vmstat and mpstat command examples to monitor Linux Server Performance. In a Production Environment, Server performance monitoring is done to keep an eye on the optimal resource utilization. Any under performance of resources due to hardware degradation over a period of time or due to some ... Read more