Linux

How to Install Go on Debian 10 — step-by-step Debian 10 tutorial on Progressive Robot

How to Install Go on Debian 10 (DEBIAN-10-2)

Introduction Deploying install go on debian 10 on a Debian 10 Buster machine is straightforward thanks to Debian’s policy-compliant packaging. Unlike rpm-based distributions, Debian stores configuration helpers in /etc/default/, uses update-rc.d for older init scripts, and provides dpkg-reconfigure for interactive package configuration. This tutorial stays on the systemd path throughout. Prerequisites Ensure Debian 10 Buster […]

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How To Add ngx_pagespeed to Nginx on CentOS 7 — step-by-step Linux tutorial on Progressive Robot

How To Add ngx_pagespeed to Nginx on CentOS 7

ngx_pagespeed, or just pagespeed, is an Nginx module designed to optimize your site automatically by reducing the size of its resources and hence the time the clients’ browsers need to load it. This article will guide you through the installation and configuration of the pagespeed module for Nginx. It’s important to know that Nginx does not support *Dynamic Loading of Modules* available in other web servers such as Apache. Since Nginx doesn’t support this feature, you need to build Nginx from so

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Ubuntu 14.04 — libmediainfo — multiple vulnerabilities (4 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 14.04

Ubuntu 14.04 — libmediainfo — multiple vulnerabilities (4 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 8 September 2020 Affected versions: Ubuntu 14.04 (trusty) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-5237-1 Related CVEs: CVE-2020-15395 CVE-2020-26797 CVE-2019-11372 CVE-2019-11373 Upstream summary: It was discovered that MediaInfoLib incorrectly handled certain specially crafted files. An attacker could possibly use this issue to cause a […]

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Initial Server Setup with CentOS 7 — step-by-step Linux tutorial on Progressive Robot

Initial Server Setup with CentOS 7

This tutorial explains the first steps you need to take after creating your CentOS 7 server, including how to login with root, change the root password, create a new user, give the new user root privileges, change the SSH port, and how to disable root login in.

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How to Set Up Nginx as a Reverse Proxy on Debian 9 — step-by-step Debian 9 tutorial on Progressive Robot

How to Set Up Nginx as a Reverse Proxy on Debian 9

Introduction Deploying set up nginx as a reverse proxy on debian 9 on a Debian 9 Stretch machine is straightforward thanks to Debian’s policy-compliant packaging. Unlike rpm-based distributions, Debian stores configuration helpers in /etc/default/, uses update-rc.d for older init scripts, and provides dpkg-reconfigure for interactive package configuration. This tutorial stays on the systemd path throughout. […]

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SLES 15 — libEMF1 — multiple vulnerabilities (5 CVEs) — patch and remediation guide — diagnosis and fix on SLES 15

SLES 15 — libEMF1 — multiple vulnerabilities (5 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 8 September 2020 Affected versions: SLES 15 📖 ~4 min read  •  Source: SUSE advisory SUSE-SU-2020:1621-1 (see also SUSE bugzilla) Related CVEs: CVE-2020-11865 CVE-2020-11866 CVE-2020-13999 CVE-2020-11863 CVE-2020-11864 Upstream summary: libEMF (aka ECMA-234 Metafile Library) through 1.0.11 allows out-of-bounds memory access. Table of contents Symptom & Impact Environment […]

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How To Monitor Server Health with Checkmk 2.0 on Ubuntu 20.04 — step-by-step Linux tutorial on Progressive Robot

How To Monitor Server Health with Checkmk 2.0 on Ubuntu 20.04

Checkmk is a monitoring solution that is both robust and simple to install. It is a self-contained software bundle that combines Nagios with add-ons for gathering, monitoring, and graphing data. In this guide, you will set up Checkmk on an Ubuntu 20.04 server and monitor two separate hosts.

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