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How to Use systemctl to Show Failed Units

Posted: 2024-03-11 06:29:37
Source: https://linuxhint.com/systemctl-show-failed-units-linux/

To show failed units on Linux, the systemctl list-units --state=failed command is used. To fix the failed unit, use systemctl reset-failed command.

How to Use systemctl Command to Enable and Disable Services

Posted: 2024-03-11 06:29:12
Source: https://linuxhint.com/systemctl-command-enable-and-disable-services/

The systemctl enable is used to set the service enabled on boot, while the systemctl disable does the opposite.

How to Set up and Program the ESP32 to Communicate with an Android Smartphone via Bluetooth

Posted: 2024-03-11 06:28:40
Source: https://linuxhint.com/esp32-bluetooth-android/

To control ESP32 from an Android phone via Bluetooth, first install the Bluetooth Serial Android application and pair your ESP32 from the phone settings.

How to Start Docker Using systemctl Command

Posted: 2024-03-11 06:28:35
Source: https://linuxhint.com/systemctl-start-docker/

To start docker on Linux, the systemctl start command is used with sudo. By default, the docker services start on boot.

How to Mask a Service using systemctl Command

Posted: 2024-03-11 06:24:36
Source: https://linuxhint.com/mask-service-systemctl-command/

A service can be masked using the systemctl mask command with the service name. A masked service is permanently disabled.

How to List Serial Ports on Linux

Posted: 2024-03-11 06:24:23
Source: https://linuxhint.com/list-serial-ports-linux/

There are three methods to list serial ports on Linux, through /sys/class directory, using dmesg command, or using Cutecom GUI application.

Systemd Service File

Posted: 2024-03-11 06:13:40
Source: https://linuxhint.com/systemd-service-file/

The systemd service files have .service extensions and contain the instructions that are required by systemd to manage a service.

SQL StartsWith() Operator

Posted: 2024-03-11 06:13:23
Source: https://linuxhint.com/sql-starts-with/

Guide on how we can use the MySQL LIKE operator to perform the character matching including the use of “%” wildcard to search for patterns along with examples.

Select the Top 10 Rows in SQL

Posted: 2024-03-11 06:12:58
Source: https://linuxhint.com/sql-select-top-10-rows/

Practical tutorial on how we can use and work with the LIMIT clause in SQL databases to specify the number of rows that we wish to retrieve from the database.

DistroWatch Weekly, Issue 1061

Posted: 2024-03-11 00:07:04
Source: https://distrowatch.com/12081

The DistroWatch news feed is brought to you by TUXEDO COMPUTERS. This week in DistroWatch Weekly: Review: A PinePhone as a mobile desktop computer?News: NixBSD launched, Fedora looks at porting COSMIC and dropping GNOME's X11 session, postmarketOS to adopt systemd, Linux Mint replacing HexChatQuestions and answers: Restarting background services on a scheduleReleased last week: FreeBSD 13.3, Zorin OS 17.1Torrent....

6.8: mainline

Posted: 2024-03-10 20:38:09
Source: http://www.kernel.org/

Version:	6.8 (mainline)
Released:	2024-03-10
Source:	linux-6.8.tar.xz
PGP Signature:	linux-6.8.tar.sign
Patch:	full

To Replace HexChat, Linux Mint is Building a New Desktop Chat App Called 'Jargonaut'

Posted: 2024-03-10 16:34:00
Source: https://linux.slashdot.org/story/24/03/09/2049259/to-replace-hexchat-linux-mint-is-building-a-new-desktop-chat-app-called-jargonaut?utm_source=atom1.0mainlinkanon&utm_medium=feed

Ubuntu-based Linux Mint includes HexChat software by default "to offer a way for users of the distro to talk to, ask questions, and get support from other users," according to the Linux blog OMG Ubuntu. But in February HexChat's developer announced its final release... That got devs thinking. As is, IRC isn't user-friendly. It's a kind of an arcane magic involving strange commands. Its onboarding is obtuse. And the protocol doesn't natively support things like media sharing (screenshots are useful when troubleshooting), clickable links, or other modern "niceties". And yet, IRC is a fast, established, open, and versatile protocol... It's free and immediate (no sign-up required to use it) which makes it ideal for 'when you need it' use. So work has begun on a new dedicated "chat room" app to replace HexChat, called Jargonaut. Linux Mint's goal is not to build a fully-featured IRC client, or even an IRC client at all. Jargonaut is a chat app that just happens to use IRC as its underlying chat protocol. Users won't need to know what IRC is nor learn its syntax, as Jargonaut isn't going to respond to standard IRC commands... When the app is opened Linux Mint's official support channels are there, ready to engage with. A real-time support chat app built on IRC — with additional bells: "[Jargonaut] will support pastebin/imgur via DND, uploading your system specifications, troubleshooting and many features which have nothing to do with IRC," says Linux Mint lead Clement Lefebvre in the distro's latest monthly update. "HexChat was a great IRC client which helped us make a relatively good support chat room. We're hoping Jargonaut will help us make this chat room even better and much easier to use." "Like most of Linux Mint's home-grown XApps the new app is hosted on Github," the article points out, "which is where you should go t to check in on Jargonaut's current status, check out the code and compile it, or contribute to its development with your own fair hands." The article also argues that IRC "isn't as trendy as Discord or Telegram, but it is a free, open standard that no single entity controls, is relatively low-bandwidth, interoperable, and efficient."

Linux Variants of Bifrost Trojan Evade Detection via Typosquatting

Posted: 2024-03-10 02:34:00
Source: https://linux.slashdot.org/story/24/03/09/210221/linux-variants-of-bifrost-trojan-evade-detection-via-typosquatting?utm_source=atom1.0mainlinkanon&utm_medium=feed

"A 20-year-old Trojan resurfaced recently," reports Dark Reading, "with new variants that target Linux and impersonate a trusted hosted domain to evade detection." Researchers from Palo Alto Networks spotted a new Linux variant of the Bifrost (aka Bifrose) malware that uses a deceptive practice known as typosquatting to mimic a legitimate VMware domain, which allows the malware to fly under the radar. Bifrost is a remote access Trojan (RAT) that's been active since 2004 and gathers sensitive information, such as hostname and IP address, from a compromised system. There has been a worrying spike in Bifrost Linux variants during the past few months: Palo Alto Networks has detected more than 100 instances of Bifrost samples, which "raises concerns among security experts and organizations," researchers Anmol Murya and Siddharth Sharma wrote in the company's newly published findings. Moreover, there is evidence that cyberattackers aim to expand Bifrost's attack surface even further, using a malicious IP address associated with a Linux variant hosting an ARM version of Bifrost as well, they said... "As ARM-based devices become more common, cybercriminals will likely change their tactics to include ARM-based malware, making their attacks stronger and able to reach more targets."

'Canonical Turns 20: Shaping the Ubuntu Linux World'

Posted: 2024-03-09 22:34:00
Source: https://news.slashdot.org/story/24/03/09/2144211/canonical-turns-20-shaping-the-ubuntu-linux-world?utm_source=atom1.0mainlinkanon&utm_medium=feed

"2004 was already an eventful year for Linux," writes ZDNet's Jack Wallen. "As I reported at the time, SCO was trying to drive Linux out of business. Red Hat was abandoning Linux end-user fans for enterprise customers by closing down Red Hat Linux 9 and launching the business-friendly Red Hat Enterprise Linux (RHEL). Oh, and South African tech millionaire and astronaut Mark Shuttleworth [also a Debian Linux developer] launched Canonical, Ubuntu Linux's parent company. "Little did I — or anyone else — suspect that Canonical would become one of the world's major Linux companies." Mark Shuttleworth answered questions from Slashdot reader in 2005 and again in 2012. And this year, Canonical celebrates its 20th anniversary. ZDNet reports: Canonical's purpose, from the beginning, was to support and share free software and open-source software... Then, as now, Ubuntu was based on Debian Linux. Unlike Debian, which never met a delivery deadline it couldn't miss, Ubuntu was set to be updated to the latest desktop, kernel, and infrastructure with a new release every six months. Canonical has kept to that cadence — except for the Ubuntu 6.06 release — for 20 years now... Released in October 2004, Ubuntu Linux quickly became synonymous with ease of use, stability, and security, bridging the gap between the power of Linux and the usability demanded by end users. The early years of Canonical were marked by rapid innovation and community building. The Ubuntu community, a vibrant and passionate group of developers and users, became the heart and soul of the project. Forums, wikis, and IRC channels buzzed with activity as people from all over the world came together to contribute code, report bugs, write documentation, and support each other.... Canonical's influence extends beyond the desktop. Ubuntu Linux, for example, is the number one cloud operating system. Ubuntu started as a community desktop distribution, but it's become a major enterprise Linux power [also widely use as a server and Internet of Things operating system.] The article notes Canonical's 2011 creation of the Unity desktop. ("While Ubuntu Unity still lives on — open-source projects have nine lives — it's now a sideline. Ubuntu renewed its commitment to the GNOME desktop...") But the article also argues that "2016, on the other hand, saw the emergence of Ubuntu Snap, a containerized way to install software, which --along with its rival Red Hat's Flatpak — is helping Linux gain some desktop popularity."

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