Monitoring the progress of data operations, such as copying, backing up, or compressing files, is essential for keeping track of their status and ensuring their successful completion. One powerful tool that can help in this regard is the "pv" command. Short for "pipe viewer, " the "pv" command provides real-time monitoring of data as it flows through a pipeline. With its simplicity and effectiveness, the "pv" command can be a valuable addition to your toolkit for managing data tasks. In this blog post, we will explore how to use the "pv" command to monitor the progress of copy, backup, and ... Read More

Monitoring the performance of your CentOS server is essential for maintaining its stability, optimizing resource usage, and identifying potential issues before they impact your system. In this article, we will explore how to monitor the performance of CentOS 8/7 servers using Netdata, a powerful and user-friendly monitoring tool. With Netdata, you can gain real-time insights into various system metrics, visualize performance data, and effectively troubleshoot performance bottlenecks. Whether you are a system administrator, developer, or IT professional, understanding how to monitor your CentOS server using Netdata will help you ensure the smooth operation of your system. Installing Netdata on CentOS ... Read More

Monitoring user activity in Linux systems is crucial for ensuring system security, optimizing resource usage, and identifying potential issues. By keeping track of user actions, administrators can gain valuable insights into system behavior, detect unauthorized activities, and troubleshoot performance problems. To effectively monitor user activity, reliable tools are required. Two such tools widely used in the Linux community are psacct and acct. These tools provide comprehensive functionality for tracking and analyzing user actions, allowing system administrators to maintain a robust and secure environment. In this blog post, we will explore the capabilities of psacct and acct and provide a detailed ... Read More

Canary deployments have become a vital strategy for achieving seamless software updates while minimizing risks. By gradually rolling out new versions to a subset of users, canary deployments enable teams to validate changes in real-world scenarios before reaching the entire user base. To effectively manage canary deployments in a Kubernetes environment, Istio emerges as a powerful tool. In this blog post, we will explore the concept of canary deployments and how Istio, a leading service mesh platform, can facilitate their implementation. We'll provide a step-by-step guide, complete with code examples, to help you harness the full potential of Istio for ... Read More

In today's digital landscape, ensuring the security of web applications and sensitive data is of paramount importance. One effective way to enhance the security of your web directories is by implementing password protection. With password protection in place, you can restrict access to authorized users and safeguard your confidential information. Nginx, a popular web server and reverse proxy, offers robust capabilities for securing web directories. By setting up basic authentication, you can prompt users to enter a username and password before accessing specific directories on your website. In this tutorial, we will walk you through the process of password protecting ... Read More

CentOS 8 provides a powerful feature called single user mode, which allows system administrators to troubleshoot and perform maintenance tasks on a Linux system. However, unrestricted access to single user mode can pose a significant security risk as it bypasses the normal system authentication. To enhance the security of your CentOS 8 system, it is crucial to password protect single user mode. By implementing password protection, you ensure that only authorized users with the correct password can access the system in single user mode. In this guide, we will walk you through the process of password protecting single user mode ... Read More

In today's digital world, data security is of utmost importance. Whether it's personal information, sensitive documents, or confidential code, protecting your files from unauthorized access is crucial. When working with Vim, a powerful text editor commonly used in Linux environments, you have the ability to password protect your files, adding an extra layer of security. In this blog post, we will explore how to password protect Vim files in Linux. We will dive into the concept of file encryption in Vim, discuss the different encryption methods available, and provide step-by-step instructions on password protecting your Vim files. By implementing these ... Read More

Accurate server time is crucial for various aspects of system administration, including synchronization between distributed systems, logging, security measures, and troubleshooting. In CentOS, a popular Linux distribution, there are several methods to obtain accurate server time. In this article, we will explore different approaches to ensure precise timekeeping in CentOS. We'll begin by checking the system time and verifying the time zone settings. Then, we'll dive into two common methods: using the Network Time Protocol (NTP) and the Chrony time daemon. Additionally, we'll discuss the hardware clock and its significance in maintaining accurate time. By the end of this article, ... Read More

In the Linux operating system, the home directory holds user-specific files, configurations, and personal data. As your usage grows, you might find the need to move your home directory to a new partition or disk to accommodate more space or optimize system performance. This can be a valuable solution, especially when dealing with limited disk space or utilizing separate storage devices. In this blog post, we will explore the process of moving the home directory to a new partition or disk in Linux. We'll cover the necessary steps to prepare the new partition, discuss the home directory structure, and provide ... Read More

Mounting and unmounting filesystems are essential operations in Linux that allow users to access and manage different storage devices and network resources. Whether it's local storage or network shares, properly mounting and unmounting filesystems ensures seamless data exchange and efficient utilization of resources. In this blog post, we will explore the process of mounting and unmounting both local and network filesystems in Linux. We'll delve into the steps required to mount local filesystems and cover the configuration and mounting of network filesystems using Samba and NFS protocols. Mounting Local Filesystems Before we delve into mounting network filesystems, let's first understand ... Read More