January 2020 - Page 48 of 69

How to Use Editors, Regex, and Hooks with Z-shell — step-by-step DevOps tutorial on Progressive Robot

How to Use Editors, Regex, and Hooks with Z-shell

This article will cover a sampling of the features offered by zsh, including using zsh to emulate other shells, editing on the command line using built in zsh features alongside the external tools vidir and vipe, using regular expressions in zsh commands, and setting up hooks to automate shell behavior.

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How to Set Up SSH Key Authentication on FreeBSD 12 — step-by-step FreeBSD 12 tutorial on Progressive Robot

How to Set Up SSH Key Authentication on FreeBSD 12

Introduction This guide explains how to Set Up SSH Key Authentication on FreeBSD 12 on FreeBSD 12. FreeBSD uses the pkg(8) binary package manager, rc.conf(5) for service startup configuration, and pf(4) as its primary packet filter. There is no SELinux or AppArmor — instead, FreeBSD provides the MAC (Mandatory Access Control) framework and Capsicum for […]

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FreeBSD 12 — xdeview — security advisory — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — xdeview — security advisory — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: uudeview buffer overflows Upstream summary: The authors of UUDeview report repairing two buffer overflows in their software. Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick […]

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FreeBSD 12 — xli — multiple vulnerabilities (4 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — xli — multiple vulnerabilities (4 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: xloadimage — buffer overflows in NIFF image title handling Related CVEs: CVE-2001-0775 CVE-2005-0638 CVE-2005-0639 CVE-2005-3178 Upstream summary: Ariel Berkman reports: Unlike most of the supported image formats in xloadimage, the […]

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How To Secure Roundcube on Ubuntu 16.04 — step-by-step Linux tutorial on Progressive Robot

How To Secure Roundcube on Ubuntu 16.04

In this tutorial, you’ll secure an existing basic Roundcube installation by adding SSL to Apache with Let’s Encrypt, adding two-factor authentication to your Roundcube account with a Roundcube plugin, and using GPG to sign and encrypt email with the Enigma plugin.

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FreeBSD 12 — wayland — vulnerability — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — wayland — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: wayland — integer overflow Related CVEs: CVE-2013-2003 Upstream summary: Tobias Stoeckmann reports: The libXcursor fix for CVE-2013-2003 has never been imported into wayland, leaving it vulnerable to it. Table of […]

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How to Configure Nginx as a TCP/UDP Load Balancer on Debian 9 — step-by-step Debian 9 tutorial on Progressive Robot

How to Configure Nginx as a TCP/UDP Load Balancer on Debian 9 (DEBIAN-9-2)

Introduction Debian 9 Stretch is built around the ethos of stability and free software. Setting up configure nginx as a tcp/udp load balancer on debian 9 on Stretch leverages the same proven Debian packaging system that powers millions of servers worldwide, while benefiting from the latest upstream releases included in the Stretch freeze. Follow each […]

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SLES 15 — python2-pycrypto — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on SLES 15

SLES 15 — python2-pycrypto — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: SLES 15 📖 ~4 min read  •  Source: SUSE advisory SUSE-SU-2012:0869-1 (see also SUSE bugzilla) Related CVEs: CVE-2012-2417 CVE-2013-1445 CVE-2013-7459 Upstream summary: PyCrypto before 2.6 does not produce appropriate prime numbers when using an ElGamal scheme to generate a key, which reduces […]

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