Articles about storage, backup, virtualization, technology, innovation, programming, leadership, management,... etc
Articles about storage, backup, virtualization, technology, innovation, programming, leadership, management,... etc
Configuring and securing Simple Network Management Protocol (SNMP) for IT infrastructure monitoring is crucial to ensure reliable data collection while minimizing potential security risks. Below is a detailed guide on how to configure and secure SNMP: 1. Understand SNMP Versions SNMP has three versions: – SNMPv1: Basic functionality but lacks security features. – SNMPv2c: Similar […]
Fixing GRUB bootloader issues after a disk migration requires a systematic approach to ensure the system is bootable again. Here is a step-by-step guide to resolve GRUB bootloader issues: Step 1: Boot from a Live CD/USB Create a bootable Linux Live CD/USB (e.g., Ubuntu or any other distribution compatible with your system). Boot into the […]
Monitoring and maintaining storage health is critical for ensuring data integrity, availability, and performance in your IT infrastructure. Below is a comprehensive guide to effectively manage storage health: 1. Implement a Monitoring Solution Use advanced monitoring tools to track the performance, capacity, and health of your storage systems. Consider solutions such as: – Vendor-specific tools: […]
Configuring an IPsec VPN for site-to-site connectivity involves several steps. Below is a detailed guide that outlines the process for setting up an IPsec VPN between two sites. This example assumes you have firewalls, routers, or appliances capable of handling IPsec VPN configurations. Step 1: Pre-Configuration Requirements Network Details: Obtain the public IP addresses of […]
Recovering data from a failed RAID 5 array can be complex and requires careful handling to avoid further data loss. RAID 5 uses striping with parity, meaning data is distributed across all drives with one drive storing parity data for redundancy. If one drive fails, the array can still function. However, if multiple drives fail […]
Recovering accidentally deleted files on an ext4 file system can be challenging because ext4 does not natively provide an undelete feature. When a file is deleted, its metadata is removed, making recovery difficult. However, there are methods and tools you can try depending on the situation. Here’s a step-by-step approach: Immediate Actions After Deletion Stop […]