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Tiago Stoco

Tiago Stoco

I.T and technology enthusiast with a creative mind working in a data centre and dedicating his free time to fun tech-related personal projects and family.

ZFS - Tuning

I am focused on refactoring and monitoring my storage over my home and cloud. The goal is to move all my storage over to ZFS to standardize and benefit from ZFS' features. In an previous article, I have used RAID 0 with a single disk to present the disks

Proxmox - Migrate Installation from LVM to ZFS

This article will detail how to migrate a LVM proxmox installation on single disk to a mirror ZFS pool. 1) Backup the Proxmox Host Disk Boot from a Ubuntu/linux live CD and execute ddrescue : livecd #~ ddrescue -f -n -r3 /dev/current_proxmox_disk /dev/new_disk /root/log.file

pfSense - Logging to a Remote Syslog Server

In this article we will learn how to send our logs to a remote syslog server. Logging to a remote server has many benefits like the ability to create custom alerts based on syslog entries, the ability to troubleshoot wider issues within our infrastructure and many more. 1) Installing syslog-ng

pfsense - Enabling SNMPv3 Monitoring

pfSense is shipped with bsnmpd that does not have support to SNMPv3. We do no want our messages moving around without encryption and to enable SNMPv3 we need to install an extra package and add extra configuration as well. 1) Installing Net-SNMP Navigate to System > Package Manager and install

Adaptec - Replace Failed Disk

Replacing failed disks is part of managing storage arrays and a mistake could lead to catastrophic data loss. The steps below will guide us on how to replace a failed disk in an Adaptec RAID card. First, let's get the controller ID. arcconf getversion Controllers found: 1 Controller

switch - Dell Powerconnect 5524 SNMPv3 Monitoring with LibreNMS

switch - Dell Powerconnect 5524 SNMPv3 Monitoring with LibreNMS

Let's setup monitoring to our switch and instead of the less secure versions of SNMP we will use SNMPv3 that offers two levels of security ( Authentication and Encryption ). 1) Global Parameters We need to set the EngineID that has to be unique to each device in the administrative

switch - Dell Powerconnect 5524 Hardening Security

switch - Dell Powerconnect 5524 Hardening Security

Let's harden the security of our switch enabling SSH access only and making sure that the web server runs over HTTPS. 1) Enabling SSH Key Authentication First, the SSH server has to be enabled. ip ssh server console(config)# do sh ip ssh SSH Server enabled. Port: 22