DigitalOcean makes cloud hosting simpler for developers, startups, and growing businesses. With flexible virtual servers ...

Learn what Docker and Docker Compose are and how to install Docker Engine and Compose V2 on Ubuntu, Debian, Fedora, Arch, ...

From reclaiming wasted storage to simplifying replication, PostgreSQL 19 gives database administrators more ways to manage large installations and keep applications running.

Learn how to install WSL 2 on Windows 11, run Ubuntu and Linux apps, use Bash, Docker, systemd, WSLg, and access Linux files from Windows.

pgAdmin is the leading open-source management platform for PostgreSQL, offering querying, administration, and monitoring in the browser. What is pgAdmin? The flagship open-source administration and ...

PostgreSQL en Linux es una de las combinaciones más sólidas para bases de datos empresariales, aplicaciones web, sistemas transaccionales, analítica, plataformas geoespaciales, servicios internos, ...

Usar usuarios separados por aplicación. No usar el usuario postgres para aplicaciones. Configurar contraseñas fuertes. Restringir acceso remoto con pg_hba.conf. Proteger el puerto 5432 con firewall.

Publicly released exploit code for an effectively unpatched vulnerability that gives root access to virtually all releases of Linux is setting off alarm bells as defenders scramble to ward off severe ...

本文深入分析了Linux 7.0移除`PREEMPT_NONE`抢占模式后，导致PostgreSQL在高并发场景下吞吐量暴跌50%的深层原因。问题的核心在于：当进程持有自旋锁期间触发缺页中断，新的`PREEMPT_LAZY`调度模式可能 ...

One of the more significant changes in the 7.0 kernel release is to use the lazy-preemption mode by default in the CPU scheduler. The scheduler developers have wanted to reduce the number of ...

Once upon a time — in 2015, to be precise — Linux creator Linus Torvalds grew sick and tired of long, confusing Linux kernel version numbers. Since he was “close to running out of fingers and toes,” ...

An AWS engineer reported on April 3 that PostgreSQL throughput dropped to roughly half on Linux 7.0, with benchmark data tracing the cause to a deliberate kernel change that removed the PREEMPT_NONE ...