credativ® Blog
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Category: HowTos
19 April 2024
Integrating Proxmox Backup Server into Proxmox Clusters
Integrating Proxmox Backup Server into Proxmox Clusters Proxmox Backup Server In today’s digital landscape, where data reigns supreme, ensuring its security and integrity is paramount for businesses of all sizes. Enter Proxmox Backup Server, a robust solution poised to revolutionize data protection strategies with its unparalleled features and open-source nature. At its core, Proxmox Backup […]
09 April 2024
Migrating VMs from VMware ESXi to Proxmox
Migrating VMs from VMware ESXi to Proxmox In response to Broadcom’s recent alterations in VMware’s subscription model, an increasing number of enterprises are reevaluating their virtualization strategies. With heightened concerns over licensing costs and accessibility to features, businesses are turning towards open source solutions for greater flexibility and cost-effectiveness. Proxmox, in particular, has garnered significant […]
08 March 2022
SQLreduce: Reduce verbose SQL queries to minimal examples
SQLreduce: Reduce verbose SQL queries to minimal examples Developers often face very large SQL queries that raise some errors. SQLreduce is a tool to reduce that complexity to a minimal query. SQLsmith generates random SQL queries SQLsmith is a tool that generates random SQL queries and runs them against a PostgreSQL server (and other DBMS […]
10 December 2020
Create QR Codes for TOTP Secrets
In the article Two-Factor Authentication for OpenSSH and OpenVPN, a simple way was presented to increase the security of PAM-enabled services through two-factor authentication. With the TOTP method used, a time-limited one-time password is generated based on a shared secret. Depending on the method and encoding, the shared secret consists of 32 or even 40 […]
30 April 2020
tmate - Efficient remote maintenance and data sovereignty
Editor’s note, as of 2025-08-27: tmate.io and the tmate project have not been updated since fall 2019, so security vulnerabilities that may have arisen since then may not have been addressed. The tool is no longer recommended. Especially in the current situation surrounding COVID-19, a functioning remote maintenance/remote control solution is extremely important. It has […]