How To Write Your First PHP Program
The “Hello, World!” program is a classic and time-honored tradition in computer programming. This tutorial will walk you through writing a “Hello, World!” program in PHP.
How To Use Traefik 1.7.21 as a Reverse Proxy for Docker Containers on CentOS 7
In this CentOS 7 tutorial, you’ll learn how to run multiple web applications on the same Docker host using the reverse proxy Traefik to route requests to separate containers and review container health on a monitoring dashboard.
How to Enable Automatic Security Updates on FreeBSD 12
Introduction How to Enable Automatic Security Updates on FreeBSD 12 is a core administration task for any FreeBSD 12 server operator. FreeBSD 12 ships with the 15.0-RELEASE kernel, ZFS as the default root filesystem, Capsicum capability sandboxing improvements, and an updated ports tree. Unlike Linux distributions, FreeBSD uses rc(8) for service management, pf for packet […]
FreeBSD 12 — subversion-python — vulnerability — patch and remediation guide
🟢 Low ⏱ 5–15 min Last verified: 23 August 2019 Affected versions: FreeBSD 12 📖 ~4 min read • Source: FreeBSD VuXML VuXML topic: subversion — WebDAV fails to protect metadata Related CVEs: CVE-2004-0749 Upstream summary: In some situations, subversion metadata may be unexpectedly disclosed via WebDAV. A subversion advisory states: mod_authz_svn, the Apache […]
Cómo monitorear los anuncios y las rutas de BGP utilizando BGPalerter en Ubuntu 18.04
El autor seleccionó el COVID-19 Relief Fund para que reciba una donación como parte del programa Write for DOnations. [BGP (Protocolo de puerta de enlace de…
openSUSE Tumbleweed — postgresql93 — multiple vulnerabilities (5 CVEs) — patch and remediation guide
🟡 Medium ⏱ 10–30 min Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read • Source: SUSE advisory SUSE-SU-2015:0478-1 (see also SUSE bugzilla) Related CVEs: CVE-2014-8161 CVE-2015-0241 CVE-2015-0242 CVE-2015-0243 CVE-2015-0244 Upstream summary: PostgreSQL before 9.0.19, 9.1.x before 9.1.15, 9.2.x before 9.2.10, 9.3.x before 9.3.6, and 9.4.x before 9.4.1 allows remote […]
Ubuntu 14.04 — rssh — multiple vulnerabilities (3 CVEs) — patch and remediation guide
🟡 Medium ⏱ 10–30 min Last verified: 23 August 2019 Affected versions: Ubuntu 14.04 (trusty) 📖 ~4 min read • Source: Ubuntu Security Notice USN-3946-1 Related CVEs: CVE-2019-1000018 CVE-2019-3463 CVE-2019-3464 Upstream summary: It was discovered that rssh incorrectly handled certain command-line arguments and environment variables. An authenticated user could bypass rssh's command restrictions, allowing […]
Visual Studio CodeでPrettierを使用してコードをフォーマットする方法
コーディングスタイルを整えるのは骨の折れる作業ですが、Prettierのような開発ツールを使用すれば、チームのコードベースの一貫性を自動的に保てます。
How To Declare Values For Multiple Properties In a CSS Rule
In this tutorial, you will learn how to declare values for multiple properties in a CSS rule so that you can modify selector properties like color, size, and font all at once.
How to Install Java (OpenJDK) on RHEL 8
Java is one of the most widely used programming languages in enterprise software, and RHEL 8 makes it straightforward to install and manage multiple Java versions through its built-in package manager. Whether you are building web applications, microservices, or command-line tools, having a proper Java development environment is the first step. In this tutorial you […]