Identifying and troubleshooting performance issues in centos
Identifying and troubleshooting performance issues on your CentOS system involves analyzing various system resources and identifying bottlenecks that ...
Monitoring system performance using tools like top, vmstat, sar, etc in centos
Monitoring system performance is essential for maintaining the health and efficiency of your CentOS system. Here are some commonly used tools for moni...
Managing user authentication and passwords in Centos
Managing user authentication and passwords is crucial for maintaining the security of your CentOS system. Here's how you can manage user authentic...
Configuring SELinux in Centos
SELinux (Security-Enhanced Linux) is a mandatory access control (MAC) security mechanism built into the Linux kernel that provides fine-grained access...
Implementing security best practices in Centos
Implementing security best practices is crucial for protecting your CentOS system from various threats and vulnerabilities. Here are some key security...
Understanding network services like DNS, DHCP, etc
Network services like DNS (Domain Name System), DHCP (Dynamic Host Configuration Protocol), and others play crucial roles in enabling communication an...
Firewall configuration using iptables or firewalld
Configuring a firewall is crucial for securing your CentOS system by controlling incoming and outgoing network traffic. There are two main firewall ma...
Configuring network interfaces
Configuring network interfaces in CentOS involves setting up IP addresses, subnet masks, gateways, DNS servers, and other network settings to establis...
Disk management and monitoring
Disk management and monitoring are essential tasks for maintaining the health, performance, and availability of storage resources in a CentOS system. ...
Managing file system quotas
Managing file system quotas allows you to control the amount of disk space users or groups can consume on a file system. This helps prevent users from...
Working with files and directories
Working with files and directories is a fundamental aspect of managing a CentOS system. Here are some common tasks you might perform: 1. Navigating...
Implementing user access control and security
Implementing user access control and security in CentOS involves setting up user accounts, configuring permissions, and enforcing security measures to...
Understanding file permissions and ownership
Understanding file permissions and ownership is crucial for managing access to files and directories in CentOS. In Linux, each file and directory has ...
Creating and managing users and groups
Creating and managing users and groups is an essential aspect of system administration in CentOS. Here's how you can create and manage users and g...
Understanding package management with yum or dnf
Package management in CentOS is primarily done using the yum (Yellowdog Updater, Modified) or dnf (Dandified Yum) commands. These package managers all...
Disk partitioning and file system management
Disk partitioning and file system management are essential tasks when setting up a CentOS system. 1. Partitioning Disks: Identify...
Basic system configuration tasks such as setting
Basic system configuration tasks in CentOS typically involve setting up hostname, configuring network settings, managing users, and performing basic s...
Installing CentOS on a physical machine or virtual environment
Installing CentOS, whether on a physical machine or in a virtual environment, follows a similar process. Here's a general guide for both scenarios...
Understanding the CentOS release cycle
The CentOS release cycle is closely tied to its upstream source, Red Hat Enterprise Linux (RHEL), as CentOS is essentially a community-supported rebui...
Introduction to CentOS and its history
CentOS, which stands for Community Enterprise Operating System, is a Linux distribution known for its stability, reliability, and long-term support. I...