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How to install Zorin OS 16.1 Core

Posted: 2022-03-16 15:44:20
Source: https://www.youtube.com/watch?v=-foL80k-GV4

5.16.15: stable

Posted: 2022-03-16 13:26:56
Source: http://www.kernel.org/

5.15.29: longterm

Posted: 2022-03-16 13:23:52
Source: http://www.kernel.org/

5.10.106: longterm

Posted: 2022-03-16 13:16:21
Source: http://www.kernel.org/

5.4.185: longterm

Posted: 2022-03-16 12:33:40
Source: http://www.kernel.org/

4.19.235: longterm

Posted: 2022-03-16 12:20:44
Source: http://www.kernel.org/

4.14.272: longterm

Posted: 2022-03-16 11:57:13
Source: http://www.kernel.org/

4.9.307: longterm

Posted: 2022-03-16 11:49:05
Source: http://www.kernel.org/

next-20220316: linux-next

Posted: 2022-03-16 10:42:10
Source: http://www.kernel.org/

Nasty Linux Netfilter Firewall Security Hole Found

Posted: 2022-03-16 00:45:00
Source: https://linux.slashdot.org/story/22/03/15/221258/nasty-linux-netfilter-firewall-security-hole-found?utm_source=atom1.0mainlinkanon&utm_medium=feed

Sophos threat researcher Nick Gregory discovered a hole in Linux's netfilter firewall program that's "exploitable to achieve kernel code execution (via ROP [return-oriented programming]), giving full local privilege escalation, container escape, whatever you want." ZDNet reports: Behind almost all Linux firewalls tools such as iptables; its newer version, nftables; firewalld; and ufw, is netfilter, which controls access to and from Linux's network stack. It's an essential Linux security program, so when a security hole is found in it, it's a big deal. [...] This problem exists because netfilter doesn't handle its hardware offload feature correctly. A local, unprivileged attacker can use this to cause a denial-of-service (DoS), execute arbitrary code, and cause general mayhem. Adding insult to injury, this works even if the hardware being attacked doesn't have offload functionality! That's because, as Gregory wrote to a security list, "Despite being in code dealing with hardware offload, this is reachable when targeting network devices that don't have offload functionality (e.g. lo) as the bug is triggered before the rule creation fails." This vulnerability is present in the Linux kernel versions 5.4 through 5.6.10. It's listed as Common Vulnerabilities and Exposures (CVE-2022-25636), and with a Common Vulnerability Scoring System (CVSS) score of 7.8), this is a real badie. How bad? In its advisory, Red Hat said, "This flaw allows a local attacker with a user account on the system to gain access to out-of-bounds memory, leading to a system crash or a privilege escalation threat." So, yes, this is bad. Worse still, it affects recent major distribution releases such as Red Hat Enterprise Linux (RHEL) 8.x; Debian Bullseye; Ubuntu Linux, and SUSE Linux Enterprise 15.3. While the Linux kernel netfilter patch has been made, the patch isn't available yet in all distribution releases.

Read more of this story at Slashdot.

Ping Command not found on Ubuntu Linux

Posted: 2022-03-15 21:29:12
Source: https://linuxhint.com/ping-command-ubuntu-linux/

Sometimes, our computers are unable to reach the desired network, resulting in a discontinuity in connection from a network. Computer and network monitoring use Ping Command as a test to determine the time to reach a particular target. This target may be another computer or a network destination. Ping Command not found on Ubuntu Linux is discussed in this article.

Debian Developer Demoted, Quits After Two Decades With Project

Posted: 2022-03-15 21:20:00
Source: https://linux.slashdot.org/story/22/03/15/2028231/debian-developer-demoted-quits-after-two-decades-with-project?utm_source=atom1.0mainlinkanon&utm_medium=feed

juul_advocate shares a report from iTWire: A developer who had more than two decades of service in the Debian GNU/Linux project was stripped of his status in December leading to him deciding to leave the project. Norbert Preining told iTWire in response to a query he decided that having been graded down to Debian maintainer was not something he wanted after all these years. He has now joined the Arch Linux project. Preining said what basically happened was that the [Debian account manager (DAM) team] thought he was bullying members of the project. "I guess they are referring to my run-in with Martina Ferrari where she called me out in very strange and unfounded ways, which started a long lasting disagreement between her and me, and the blog post about Lars [Wirzenius, a project member] which was nothing more than a selection of quotes from Lars' own blogs," he added. "Anyway, these were all old things, but DAM still prefers to paint me in the light of 'You have been bullying members of the project for years' (quote from Enrico Zini on the debian-private mailing list) and that I cannot communicate with the Community Team, which back then included Martina, and which has again hit me in the back by allowing other members in Debian (I refrain from naming them here, but will do in my blog post) to bully me, even in unrelated forums and on IRC. The bottom line is that Martina, Lars, and those others are close friends of DAM and CT [community team] and the 'leading circle' in Debian, and thus it seems that they are exempted from adhering to the same community standards." Preining said the situation that led to his demotion was "more or less" about political correctness, adding that he'll explain more about the events in a blog post later on.

Read more of this story at Slashdot.

Memcmp in C

Posted: 2022-03-15 21:04:08
Source: https://linuxhint.com/memcmp-c-lang/

The C language comes up with the memcmp function to compare the memory size of more than 1 variable in the code. The memcmp method returns a negative, zero, or a positive integer in the C language. In this article, we will discuss the memcmp() function of C programming language.

How to use KGraphEditor on Linux

Posted: 2022-03-15 20:53:47
Source: https://linuxhint.com/kgrapheditor-linux/

Graphs are a great way for visualizing, interpreting, and understanding data that would otherwise seem like a random group of numbers with no relation whatsoever. One of the most widely used graph description languages is DOT. DOT allows you to show relationships between different variables/objects easily to interpret. KGraphViewer is an application that is used for files of the .gv and .dot type, both of which correspond to the DOT file extension. How to use KGraphEditor on Linux is discussed in this article.

How to delete a file in Java

Posted: 2022-03-15 20:42:37
Source: https://linuxhint.com/delete-file-java/

In java, the delete() method of the File class is utilized to remove a specific file permanently. The name and path of the file is specified at the time of object creation and afterward, the delete() method is used with that object to delete the specified file. This tutorial provides a step-by-step guide for how to work with the delete() method in order to remove a file permanently.

How to Use Enums in Rust

Posted: 2022-03-15 20:32:17
Source: https://linuxhint.com/enums-rust/

This article provides a step-by-step guide on how to use the enumerations or enums in the Rust programming language. In this helpful tutorial, we highlight how to work with enums in Rust, which includes the definition of an enum, the use of enum values, and how to match over enums.

JavaScript Date Object Methods | Explained

Posted: 2022-03-15 20:30:45
Source: https://linuxhint.com/javascript-date-object-methods/

JavaScript date object methods are broadly classified into two categories which are get date object methods and set date object methods. The get date methods are used to fetch and set date methods are used to set the date and time of a date object method. Methods that lie under the group of get date object methods are getDate(), getFullYear(), getHour(), etc. While, methods that are classified into the category of set object methods are setDate(), setFullYear(), setHour() etc.

Is JavaScript Case Sensitive

Posted: 2022-03-15 19:18:20
Source: https://linuxhint.com/javascript-case-sensitive/

JavaScript is a case-sensitive language when it comes to accessing variables, constants, keywords, functions, and classes in a program. It also comprises a set of styling guidelines known as the Naming Conventions. The utilization of the JavaScript naming convention assists in improving the code readability and also makes code maintenance easier.

How to Setup Cayenne on Raspberry Pi

Posted: 2022-03-15 18:56:14
Source: https://linuxhint.com/setup-cayenne-raspberry-pi/

The Cayenne is a mobile app and web platform that enable the users to step into the world of IoT projects. Once you have managed to set it up for your Raspberry Pi device, you can then be able to create numerous IoT projects offered in the Cayenne menu. It provides you with a centralized environment to control your IoT devices. This article is a detailed guide on how to set up Cayenne on Raspberry Pi.

How to Install Scrapy on Raspberry Pi

Posted: 2022-03-15 17:50:36
Source: https://linuxhint.com/install-scrapy-raspberry-pi/

Scrapy is a decent web crawler for your Raspberry Pi device that produces promising results when searching for content on websites. Because of its quick and simple usage, it can be an effective solution to help you create more traffic to your website through web scraping. This article is a detailed guide on how to install scrapy on Raspberry Pi OS.