June 2021 - Page 59 of 66

What's New in Ubuntu 18.04 Bionic Beaver — step-by-step Linux tutorial on Progressive Robot

What’s New in Ubuntu 18.04 Bionic Beaver

The Ubuntu operating system’s most recent Long Term Support (LTS) release, version 18.04 (Bionic Beaver), was released on April 26, 2018. This guide is intended as a brief overview of new features and significant changes to Ubuntu Server since the previous LTS release, 16.04.

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String to byte array, byte array to String in Java — step-by-step Programming tutorial on Progressive Robot

String to byte array, byte array to String in Java

URL: https://www.progressiverobot.com/string-byte-array-java/ Today we will learn how to convert String to byte array in java. We will also learn how to convert byte array to String in Java. String to byte array We can use String class getBytes() method to encode the string into a sequence of bytes using the platform's default charset. This method […]

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Arch Linux — firejail — vulnerability — patch and remediation guide — diagnosis and fix on Arch Linux

Arch Linux — firejail — vulnerability — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Arch Linux (rolling release) 📖 ~4 min read  •  Source: Arch ASA ASA-202102-26 Related CVEs: CVE-2021-26910 Upstream summary: Type: privilege escalation. Status: Fixed. Affected: 0.9.64.2-1. Fixed in: 0.9.64.4-1. Group: AVG-1545. Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis […]

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iOS Progress Bar (Progress View) — step-by-step DevOps tutorial on Progressive Robot

iOS Progress Bar (Progress View)

URL: https://www.progressiverobot.com/ios-progress-bar-progress-view/ In this tutorial, we'll be discussing the UIProgressView component and create a progress bar in our iOS Application. iOS Progress Bar – UIProgressView ProgressView is used to display the progress of any long running activity such as downloading/uploading/waiting for a response from web service to the user. This is a vital UI element […]

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How To Use LVM To Manage Storage Devices on Ubuntu 18.04 — step-by-step Linux tutorial on Progressive Robot

How To Use LVM To Manage Storage Devices on Ubuntu 18.04

LVM, or Logical Volume Management, is a storage device management technology that gives users the power to pool and abstract the physical layout of component storage devices for easier and flexible administration. In this guide, we will cover how to manage your storage devices with LVM. We will show you how to display information about volumes and potential targets, how to create and destroy volumes of various types, and how to modify existing volumes through resizing or transformation.

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How to Configure Jail Networking on FreeBSD 13 — step-by-step FreeBSD 13 tutorial on Progressive Robot

How to Configure Jail Networking on FreeBSD 13

Introduction How to Configure Jail Networking on FreeBSD 13 is a core administration task for any FreeBSD 13 server operator. FreeBSD 13 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 filtering, […]

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FreeBSD 13 — mod_dosevasive — security advisory — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — mod_dosevasive — security advisory — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: mod_dosevasive — insecure temporary file creation Upstream summary: An LSS Security Advisory reports: When a denial of service attack is detected, mod_dosevasive will, among other things, create a temporary file […]

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