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ISPConfig 3.3.2: Ubuntu 26.04, DMARC e correções de segurança

ISPConfig 3.3.2: Ubuntu 26.04, DMARC, and security fixes

September 22, 2026 by nilton

ISPConfig 3.3.2 ships Ubuntu 26.04, DMARC on the inbound path, database backups that don't lock up tables, and fixes a SQL injection in the remote API and a privilege escalation in Fetchmail. See what changed, the 3.3.2p1 patch, and how to update safely.

Categories Debian, Email, Lodging, Linux, Servers, Ubuntu Tags Debian, hosting, ispconfig, control-panel, ubuntu
Go Uptime: monitoramento self-hosted derivado do Gatus

Go Uptime: self-hosted monitoring derived from Gatus

September 22, 2026 by nilton

Meet Go Uptime, a fork of Gatus packaged as a single Go binary, with web administration, public status pages, push compatible with Uptime Kuma, MySQL/MariaDB and backup. Installation with Docker and systemd.

Categories Infrastructure, Linux, Servers, Ubuntu Tags Docker, gatus, go, Golang, monitoring, self-hosted, status page, systemd, uptime kuma
API do VirtualBox — parte 1: SOAP, sessões e segurança

VirtualBox API — part 1: SOAP, sessions and security

October 7, 2026September 14, 2026 by nilton

Understand the VirtualBox web service: WSDL contract, authentication, object references, sessions, and security before implementing a client.

Categories Develop, Linux, Servers Tags Golang
API do VirtualBox — parte 2: cliente SOAP em Go

VirtualBox API — part 2: SOAP client in Go

October 7, 2026September 14, 2026 by nilton

Create a Go client for the VirtualBox SOAP API: authentication, VM inventory, session termination, timeouts, security, and testing.

Categories Develop, Linux, Servers Tags Golang
Apache Guacamole: acesso remoto com Docker, LDAP e SSO

Apache Guacamole: remote access with Docker, LDAP, and SSO

October 7, 2026September 14, 2026 by nilton

Apache Guacamole guide: architecture, Docker Compose with PostgreSQL, RDP/SSH/VNC access, LDAP and Active Directory, SSO, MFA, security, and backup.

Categories DevOps, Linux, Servers
phpVirtualBox: gerencie o VirtualBox pelo navegador

phpVirtualBox: manage VirtualBox from your browser

September 14, 2026 by nilton

Discover phpVirtualBox: features, architecture, requirements, installation precautions, and diagnostics to manage VMs through the browser.

Categories Linux, Servers
phpVirtualBox em Go — parte 2: migração com IA e OpenSpec

phpVirtualBox in Go — part 2: migration with AI and OpenSpec

October 7, 2026September 14, 2026 by nilton

How to plan the phpVirtualBox migration with AI and OpenSpec: requirements, acceptance scenarios, and verifiable tasks.

Categories Develop, Linux, Servers Tags Golang
phpVirtualBox em Go — parte 3: roteiro de implementação e testes

phpVirtualBox in Go — part 3: implementation and testing roadmap

October 7, 2026September 14, 2026 by nilton

An incremental roadmap to implement, test, and deploy a VirtualBox panel in Go securely.

Categories Develop, Linux, Servers Tags Golang
phpVirtualBox em Go — parte 1: Echo, Vue e binário único

phpVirtualBox in Go — part 1: Echo, Vue and single binary

October 7, 2026September 14, 2026 by nilton

Learn about phpVirtualBox and the proposal for a new panel in Go, Echo, and Vue, distributed in a single executable.

Categories Develop, Linux, Servers Tags Golang
NVIDIA B300: o servidor BIZON X9000 G5 com 8 GPUs para IA

NVIDIA B300: the BIZON X9000 G5 server with 8 GPUs for AI

September 11, 2026 by nilton

Understand the NVIDIA B300, the HGX B300 platform, and the BIZON X9000 G5. We analyze the video featuring a Kimi K3 and vLLM benchmark for up to 128 users, along with memory, networking, power, and evaluation criteria.

Categories AI, Infrastructure, Servers Tags GPU, AI, inference, llm, NVIDIA, vllm
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