Configure VLAN tagged interface on FreeBSD
Virtual Local Area Networks (VLANs) offer a powerful way to segment networks and enhance security. This guide demonstr
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How to configure a multi-hop SSH tunnel to bypass internet blocks
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SSH allows users to establish secure connections over untrusted networks by encrypting the communication between clien
5 Advantages of Migrating Your Workloads to the Cloud
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Still running your company's workloads on-premise? It's probably time to consider migrating them to the cloud. Here
How to replace a Volume in mdadm software RAID array
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mdadm, which is a Linux Software RAID, is not inferior to a typical hardware RAID controller, and just like a hardware
Debian Installation with LVM RAID 1 and Hot Spare
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Debian is a powerful, multipurpose, and super stable Linux distro, however, in my humble opinion, its installation wiz
Comment uncomment and replace characters in multiple lines in Vim
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Modifying files in Vim can be arduous and time-consuming, especially when we want to modify multiple lines at once. Th
Resize Cinder based Volume attached to an Instance in OpenStack
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One of the key features in OpenStack is the ability to resize the Instance's flavor to increase resource limits used b
How To Enable LLDP Service on CentOS
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LLDP (Link Layer Discovery Protocol) can be essential in situations of complex network-server infrastructure configura
How to add Hot Spare Volume to the existing mdadm software RAID array
Dec 29 Grzegorz Juszczak
Having a Hot Spare significantly increases the security of our data in a RAID array. In the case of a single disk fail
Configure VLAN tagged interface over LACP bond on CentOS / RHEL
Nov 12 Grzegorz Juszczak
In one of my previous articles I presented how to: Configure a bridge interface over a VLAN tagged bonded interface o
Configure a bridge interface over a VLAN tagged bonded interface on CentOS / RHEL
Jun 1 Grzegorz Juszczak
Linux enables us to create advanced network setups which provide us with special features like NIC Bonding, VLAN taggi
Install and Configure Checkmk on CentOS 8 and Monitor Linux Hosts using Checkmk agent
Jan 18 Grzegorz Juszczak
If you have important production servers or critical services in your network, having monitoring tools becomes a mus