2019 - Page 361 of 527

Prototype Design Pattern in JavaScript — step-by-step Javascript tutorial on Progressive Robot

Prototype Design Pattern in JavaScript

Any JavaScript developer has either seen the keyword prototype, confused by the prototypical inheritance, or implemented prototypes in their code. The Prototype design pattern relies on the [JavaScript prototypical…

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FreeBSD 12 — opus-tools — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — opus-tools — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 3 July 2019 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: vorbis-tools, opus-tools — multiple vulnerabilities Related CVEs: CVE-2014-9638 CVE-2014-9639 CVE-2015-6749 Upstream summary: Paris Zoumpouloglou reports: I discovered an integer overflow issue in oggenc, related to the number of channels in […]

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How to open a File in Java — step-by-step Programming tutorial on Progressive Robot

How to open a File in Java

URL: https://www.progressiverobot.com/java-open-file/ Sometimes we have to open a file in java program. java.awt.Desktop can be used to open a file in java. Desktop implementation is platform dependent, so first, we should check if the operating system supports Desktop or not. This class looks for the associated application registered to the current platform to open a […]

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

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

🟢 Low   ⏱ 5–15 min  Last verified: 3 July 2019 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: scponly — local privilege escalation exploits Upstream summary: Max Vozeler reports: If ALL the following conditions are true, administrators using scponly-4.1 or older may be at risk of a local […]

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How To Set Up Time Synchronization on Ubuntu 12.04 — step-by-step Linux tutorial on Progressive Robot

How To Set Up Time Synchronization on Ubuntu 12.04

This tutorial covers how to set up time synchronization and ensure that servers are synced using the NTP protocol so that all servers are displaying the same time. When a server’s time is mismatched, emails sent out from the misconfigured server may arrive 3 minutes in the past on another, or users granted access only at certain times of the day may find themselves blocked.

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openSUSE Tumbleweed — prboom-plus — vulnerability — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — prboom-plus — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read  •  Source: SUSE advisory openSUSE-SU-2020:0807-1 (see also SUSE bugzilla) Related CVEs: CVE-2019-20797 Upstream summary: An issue was discovered in e6y prboom-plus 2.5.1.5. There is a buffer overflow in client and server code responsible for handling received […]

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How to Configure /etc/hosts, /etc/resolv.conf and DNS Resolution on RHEL 8 — step-by-step RHEL 8 tutorial on Progressive Robot

How to Configure /etc/hosts, /etc/resolv.conf and DNS Resolution on RHEL 8

Reliable name resolution is essential for almost every networked service on a Linux server. Red Hat Enterprise Linux 8 gives you several places to configure how hostnames are resolved: the static /etc/hosts file, the resolver configuration in /etc/resolv.conf, the look-up order defined in /etc/nsswitch.conf, and DNS settings managed through NetworkManager. Knowing how these layers interact […]

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Ubuntu 16.04 — exempi — multiple vulnerabilities (8 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 16.04

Ubuntu 16.04 — exempi — multiple vulnerabilities (8 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 3 July 2019 Affected versions: Ubuntu 16.04 (xenial) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-3668-1 Related CVEs: CVE-2017-18233 CVE-2017-18234 CVE-2017-18236 CVE-2017-18238 CVE-2018-7728 CVE-2018-7729 CVE-2018-7730 CVE-2018-7731 Upstream summary: It was discovered that Exempi incorrectly handled certain media files. If a user or automated system were […]

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How To Create a Riak Cluster on an Ubuntu VPS — step-by-step Linux tutorial on Progressive Robot

How To Create a Riak Cluster on an Ubuntu VPS

This tutorial covers how to set up a Riak Cluster on Ubuntu VPS instances. Riak is a distributed database that offers large performance and redundancy benefits in comparison to traditional relational databases. Riak can be used to create cluster groups that can split up the workload and risk of data storage and access between multiple machines.

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