Ubuntu 26.04 LTS release notes 23 April 2026 These release notes cover new features and changes in Ubuntu 26.04 LTS (Resolute Raccoon). Support lifespan: Ubuntu 26.04 LTS is designated as a long-term support release. This means ...

#Ubuntu 26.04 LTS の動作環境って、RAM6GB以上になったんだ。ちょっと厳しくないかな？　RAM搭載量4GB以上6GB未満は引き続き24.04LTSを使ってね、ということ？

documentation.ubuntu.com/release-note...

Original post on mastodon.uno

📰📣 Linux BREAKING: Ubuntu passa a RUST, Kernel 7.0 in arrivo e la rivoluzione AI di AMD e Intel!

Benvenuti a questo nuovo aggiornamento su Linux e l’Open Source!

https://www.youtube.com/watch?v=0XmEtjUB3q0&t=356s

@linux

#opensourceitalia #unolinux #gnulinux #distro #ita #opensource #Linux […]

Ubuntu USN-8134-1: Critical pyasn1 Security Update Demands Immediate Enterprise Attention Blog com notícias sobre, Linux, Android, Segurança , etc

🚨 URGENT: #Ubuntu USN-8134-1 patches a critical DoS vulnerability in the pyasn1 library. Read more: 👉 tinyurl.com/3nuhhm56 #Security

Ubuntu Upstreams Patches to Bring Flutter Apps to RISC-V Canonical's engineers have submitted pull requests to add RISC-V support to Google's Flutter toolkit, which Ubuntu uses to built many of its desktop apps.

[OMG! Ubuntu] Ubuntu Upstreams Patches to Bring Flutter Apps to RISC-V

#Ubuntu #OpenSource

I did a minimal Ubuntu install and stripped out every pre-installed app If you really have nothing better to do, go ahead: Have at it! Minimal installs have this reputation of being clean, focused,...

#Linux #Ubuntu #Minimalism

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GNOME 50 rimuove l’accesso a Google Drive GNOME 50 rimuove l’integrazione Google Drive da Nautilus: su Ubuntu 26.04 LTS non sarà più possibile montare l’account tramite GOA. L'articolo ...

#GNOME #Ubuntu #Google #Ubuntu #26.04

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Critical ImageMagick Vulnerabilities in Ubuntu: A Strategic Patching Guide for Enterprise Security Blog com notícias sobre, Linux, Android, Segurança , etc

A critical security patch for ImageMagick on #Ubuntu (USN-8127-1) is now available, addressing high-severity vulnerabilities. Read more: 👉 tinyurl.com/ycys8pv8

Ubuntu 25.10 Dovecot Security Advisory Multiple Issues USN-8136-1 Dovecot security fixes address several vulnerabilities impacting Ubuntu 25.10 and other releases, affecting user security.

Ubuntu 25.10 Dovecot Critical Vulnerabilities Denial of Service USN-8136-1 Several security issues were fixed in Dovecot.

#Ubuntu #Linux #Distribution #- #Security #Advisories

Origin | Interest | Match

Um dos melhores projetos #Ubuntu não pode morrer.

Self-hosting ComfyUI sounds kind of interesting… but I think I’ll write up the installation instructions first.

Understanding RapidRAW Processing Settings
#Ubuntu #Tool #Photography #GenerativeAI
v0-1.net/en/posts/rap...

自分でComfyUIをセルフホストするっていうのはちょっとおもしろそう…だけどとりあえず現像の手順まで書いてからやろうかな。

RapidRAWの設定(Processing)を解説
#Ubuntu #Tool #写真 #生成AI
v0-1.net/ja/posts/rap...

Security updates for Friday Security updates have been issued by AlmaLinux (delve and golang), Debian (webkit2gtk), Oracle (expat and thunderbird), Red Hat (kernel), Slackware (openvpn), SUSE (chromium, grub2, and kernel), and…

[LWN.net] Security updates for Friday

#Ubuntu #Debian #RedHat

Ubuntu MATE’s Leadership Transition: What Martin Wimpress’s Departure Means for Enterprise Linux Stability Blog com notícias sobre, Linux, Android, Segurança , etc

The Linux community faces a critical juncture. Martin Wimpress, the founder and steward of #Ubuntu MATE for the past decade, is officially transitioning out of his leadership role. Read more: 👉 tinyurl.com/3b959ryr #Security

Move Between the Distros: Back Up and Restore Your Snap Packages Make a backup of your Snap apps and application data and restore them to a new Linux system where Snap is supported. Works between Ubuntu and non-Ubuntu distros, too.

[It's FOSS] Move Between the Distros: Back Up and Restore Your Snap Packages

#Ubuntu #Linux #Snap

Dell Now Shipping Laptop With Qualcomm NPU On Linux Ahead Of Windows 11 Dell announced today that their new Pro Max 16 Plus laptop with a Qualcomm discrete NPU is now shipping... That is if you are running Ubuntu Linux while the Windows 11 pre-load option is expected in…

[Phoronix] Dell Now Shipping Laptop With Qualcomm NPU On Linux Ahead Of Windows 11

#Ubuntu #Linux

Canonical Gets Flutter Up And Running On RISC-V For Ubuntu Canonical has been bullish on RISC-V with Ubuntu being one of the most common Linux distributions endorsed by RISC-V board vendors. Canonical also has been bullish on the Flutter toolkit for…

[Phoronix] Canonical Gets Flutter Up And Running On RISC-V For Ubuntu

#Ubuntu #Linux

Kindness Champions courage can be contagious🥰
We Love You❤️
#StrongerTogether💪🏼💪🏻💪🏽💪🏿💪🏾
#Ubuntu🌻
#couragecanbecontagious🌟
#MichelleObama✨

#Ubuntu 26.04 demandera plus de RAM que Windows 11
Oui oui
- Prérequis Ubuntu : documentation.ubuntu.com/release-note...
- Prérequis Windows 11 : www.microsoft.com/en-us/window...

Ubuntu 26.04 LTS release notes 23 April 2026 These release notes cover new features and changes in Ubuntu 26.04 LTS (Resolute Raccoon). Support lifespan: Ubuntu 26.04 LTS is designated as a long-term support release. This means ...

#Ubuntu 26.04 demandera plus de RAM que Windows 11
Oui oui
- Prérequis Ubuntu : documentation.ubuntu.com/release-note...
- Prérequis Windows 11 : www.microsoft.com/en-us/window...

Security updates for Thursday Security updates have been issued by AlmaLinux (bind, bind9.18, container-tools:rhel8, expat, grub2, haproxy, idm:DL1, kernel, kernel-rt, lasso, libsoup, libssh, libtiff, pcs, podman,…

[LWN.net] Security updates for Thursday

#Ubuntu #Debian #SUSE

Accomplish porta un agente AI open source sul desktop per automatizzare file, documenti e attività locali Accomplish è un agente AI open source che automatizza file, documenti e attività locali con modelli scelti dall’utente.

Accomplish porta un agente AI open source sul desktop: file management, documenti, automazioni e modelli locali, tutto in esecuzione privata. #AI #Linux #OpenSource #Software #Windows #Mac #Ubuntu

Upgrading your operating system often brings a mix of excitement and technical hurdles. You might find yourself in a scenario where your automated boot scripts fail because of the new **initramfs** defaults, or perhaps your repository configuration files no longer look familiar after moving to the latest **LTS** version. Before you perform a major update, it is a good idea to check file size in Linux to ensure you have enough disk space for the new system image and package cache. The recent release cycles, including **Ubuntu 24.04 LTS (Noble Numbat)** and the **25.10** , introduce significant architectural shifts designed for modern security and scalability. From a new **Snapshot Service** that allows for point-in-time package rollbacks to the adoption of **dracut** for faster, more reliable booting, these updates focus heavily on system integrity. This guide explores the most significant changes and how to manage them effectively. Table of Contents Toggle * Key Takeaways: Latest Ubuntu Features * Feature 1: Managing Repositories with deb822 Standard * Feature 2: Utilizing the Ubuntu Snapshot Service * Feature 3: Booting with the Dracut Utility * Step-by-Step Process: Upgrading Your Ubuntu Release * Summary Tables * FAQs * Related Posts #### Key Takeaways: Latest Ubuntu Features * **Dracut** → Starting in Ubuntu 25.10, this becomes the **default initramfs tool** , replacing the long-standing initramfs-tools for improved hardware modularity. * **deb822 Format** → The new standard for **repository configuration** in Noble (24.04) and later, using descriptive blocks instead of legacy single-line entries. * **Snapshot Service** → A powerful APT feature that enables you to pin your system to a specific **archive state** from the past. * **sudo-rs** → A modern, **Rust-based implementation** of the sudo utility designed to enhance memory safety in the 25.10 and 26.04 releases. * **ESM Expansion** → **Ubuntu Pro** now expands security maintenance for the **Universe repository** to a full 10-year commitment. * * * #### Feature 1: Managing Repositories with deb822 Standard Ubuntu Noble 24.04 has transitioned to the **deb822 format** for its primary repository files. This format is more descriptive and easier for automation tools to parse compared to the old one-line `.list` files. **How to view your new sources:** The repository information is now defined in `/etc/apt/sources.list.d/ubuntu.sources`. **Example Output:** Types: deb URIs: http://archive.ubuntu.com/ubuntu Suites: noble noble-updates noble-backports Components: main universe restricted multiverse Signed-By: /usr/share/keyrings/ubuntu-archive-keyring.gpg If you are troubleshooting a network-based repo, you may first need to how to find your IP address in Ubuntu to ensure connectivity to the mirror. #### Feature 2: Utilizing the Ubuntu Snapshot Service The **Snapshot Service** is a major win for production stability, allowing you to ignore the very latest (and potentially unstable) updates by locking your system to a verified date. This ensures that all machines in a fleet receive identical package versions. **Command to install from a specific state:** You can specify a timestamp (Snapshot ID) directly in your installation command. `sudo apt install docker.io --snapshot 20250530T223000Z` **Expected Result:** APT will ignore any updates released after that specific timestamp, ensuring **predictability** during massive rollouts. #### Feature 3: Booting with the Dracut Utility Starting with Ubuntu 25.10, the system officially switches to **dracut** for generating the initial RAM disk. Unlike the previous tools, dracut is designed to be more efficient at handling complex hardware configurations. See also: Mastering the Linux Command Line — Your Complete Free Training Guide **Verification Command:** You can check which initrd image your system is currently using: `ls -lh /boot/initrd.img-$(uname -r)` **Note:** If you encounter boot issues, you might see “No such file or directory” if the **initrd** failed to generate correctly, which is a common troubleshooting step in the new release. * * * #### Step-by-Step Process: Upgrading Your Ubuntu Release If you are currently running an older version like Jammy (22.04), follow these steps to move to the newest stable release: 1. **Fully update your current system** : Run `sudo apt update && sudo apt dist-upgrade`. 2. **Verify disk space** : Ensure you have several gigabytes free for the upgrade files. 3. **Review Release Notes** : Check the official wiki for any hardware deprecations. 4. **Initiate the upgrade** : Execute the command `sudo do-release-upgrade`. 5. **Monitor the summary** : The system will list how many packages will be removed, installed, and upgraded. 6. **Reboot** : Check if the file `/run/reboot-required` exists and restart to apply the new kernel. * * * #### Summary Tables Feature| Release Introduced| Primary Benefit ---|---|--- **Dracut**| Ubuntu 25.10| Improved boot modularity. **sudo-rs**| Ubuntu 25.10| Rust-based memory safety. **Snapshot Service**| Ubuntu 24.04+| Predictable point-in-time updates. **deb822 Format**| Ubuntu 24.04| Modernized repository configs. **isc-kea**| Ubuntu 23.04+| Modernized DHCP server choice. APT Pocket| Purpose| Typical Path ---|---|--- **-release**| Packages at launch| `noble` **-security**| Critical security patches| `noble-security` **-updates**| Non-security bug fixes| `noble-updates` **-backports**| New software for old releases| `noble-backports` * * * #### FAQs **Is it safe to upgrade to an interim release like 25.10?** Interim releases are supported for **9 months** and are ideal for testing new features like dracut. For production, stay on **LTS (Long Term Support)** versions, which provide 5 to 10 years of stability. **Why did my repository files move locations?** Ubuntu is moving to the **deb822 standard** , which uses descriptive fields instead of the legacy one-line format. This makes it easier for tools like `unattended-upgrades` to manage complex sources. **Do I need a subscription for 10-year security updates?** Yes, you need to attach an **Ubuntu Pro** subscription. It is free for personal use on up to 5 machines and expands coverage to the entire **Universe repository**. * * * #### Related Posts * Ubuntu 24.04 Noble Numbat: Key Updates and Expected Features * How To Check File Size in Linux * Understanding the Linux Sudo Command * Managing APT Repositories in Ubuntu * How to Find Your IP Address in Ubuntu Linux

What is New in the Latest Ubuntu Release? Upgrading your operating system often brings a mix of excitement and technical hurdles. You might find yourself in a scenario where your automated boot scr...

#Ubuntu

Origin | Interest | Match

Ubuntu Pyasn1 Critical Denial of Service Vulnerabilities USN-8134-1 Several security issues fixed in pyasn1 for Ubuntu. Immediate update required to mitigate potential DoS attacks.

Ubuntu 20.04 LTS Pyasn1 High Risk DoS Vulnerabilities USN-8134-1 Several security issues were fixed in pyasn1.

#Ubuntu #Linux #Distribution #- #Security #Advisories

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Postmortem of the Xubuntu.org download site compromise In mid-October, the Xubuntu download site was compromised and had directed users to a malicious zip file instead of the Torrent file that users expected. Elizabeth K. Joseph has published a…

[LWN.net] Postmortem of the Xubuntu.org download site compromise

#Ubuntu #OpenSource

Friends don't let friends run #ubuntu

Security updates for Wednesday Security updates have been issued by Debian (pdfminer), Fedora (chromium and firefox), Mageia (bubblewrap, flatpak, cups-filters, and thunderbird), Oracle (container-tools:rhel8, kernel, and squid),…

[LWN.net] Security updates for Wednesday

#Ubuntu #Debian #Fedora

Software packages for Linux generally come in two main formats: Debian packages (.deb) for systems like Ubuntu and RPM packages for Red Hat-based systems. You might encounter a situation where a specific driver or proprietary tool is only distributed as an **RPM file** , leaving you unable to use the standard `apt install` command. Without a way to bridge this gap, you cannot access critical software required for your project. Ubuntu does not support RPM files natively, as its core package management system is built around the **Advanced Package Tool (APT)** and **dpkg**. This guide explains two effective methods to handle RPM files on Ubuntu: converting them into the native Debian format using the **Alien** tool or installing a standalone RPM manager. Mastering these approaches allows you to expand your software library while maintaining system stability. Table of Contents Toggle * Key Takeaways: Managing RPM on Ubuntu * Method 1: Using the Alien Tool (Recommended) * Method 2: Installing the RPM Package Manager Directly * Step-by-Step Process: Converting RPM to DEB * Summary Tables * FAQs * Related Posts #### Key Takeaways: Managing RPM on Ubuntu * **Alien Tool** → The most reliable way to handle RPMs by **converting** them into .deb files before installation. * **Package Compatibility** → RPM files are designed for different library versions; always check file size in Linux and dependencies before proceeding. * **Sudo Privileges** → You must understand the Linux sudo command to install the necessary conversion utilities. * **Dependency Management** → Unlike native packages, converted RPMs may require you to **manually resolve** missing shared libraries. * * * #### Method 1: Using the Alien Tool (Recommended) **Alien** is a program that converts between different Linux package formats. It is the safest way to install an RPM on Ubuntu because it creates a standard Debian package that the system can track. **1. Install Alien:** First, update your repositories and install the utility: `sudo apt update && sudo apt install alien -y` **2. Convert and Install:** You can convert and install the package in one step using the `-i` flag: `sudo alien -i your-package.rpm` **Expected Output:** your-package.deb generated Checking for conflicts... Installing your-package.deb... Selecting previously unselected package your-package. #### Method 2: Installing the RPM Package Manager Directly If you prefer to manage RPMs using native Red Hat commands, you can install the `rpm` utility itself on Ubuntu. However, this method will **not** automatically resolve dependencies. **1. Install the RPM utility:** `sudo apt install rpm` **2. Install the file:** `sudo rpm -i --force-debian your-package.rpm` **Warning:** This method bypasses the Ubuntu package database, which can lead to system conflicts if the package tries to overwrite essential Ubuntu files. See also: Mastering the Linux Command Line — Your Complete Free Training Guide * * * #### Step-by-Step Process: Converting RPM to DEB Follow these steps to safely convert an RPM file into a Debian package for permanent use on your system: 1. **Open your terminal** and navigate to the directory containing the RPM file. 2. **Verify the package name** and version to ensure it matches your hardware architecture (e.g., x86_64). 3. **Run the conversion command** : `sudo alien your-package.rpm`. 4. **Confirm the .deb creation** : Look for the newly generated `.deb` file in your current folder. 5. **Install the converted file** : Use `sudo dpkg -i your-package.deb`. 6. **Fix missing dependencies** : If the installation errors out, run `sudo apt install -f` to fetch required libraries. * * * #### Summary Tables Method| Tool Used| Best Use Case| Risk Level ---|---|---|--- **Conversion**| **Alien**| General software and drivers| **Low** **Direct Install**| **RPM Command**| Specialized legacy tools| **High** **Manual Extract**| **cpio**| Inspecting file contents| **None** Alien Flag| Purpose ---|--- **-d**| Generate a Debian (.deb) package (default). **-i**| Automatically install the package after conversion. **-r**| Convert a Debian package back to RPM. **-k**| Keep the version number from the original RPM. * * * #### FAQs **Will every RPM work on Ubuntu after conversion?** No. While the format changes, the software inside still expects specific **system libraries**. If the RPM was built for a very old version of CentOS, it might not run on a modern Ubuntu LTS. **How do I uninstall an RPM I installed with Alien?** Because Alien creates a `.deb` file, you can remove it like any other Ubuntu package: `sudo apt remove package-name`. **Why should I use sudo for these commands?** Installing software modifies **system-level directories** like `/usr/bin` and `/etc`. These areas are protected to ensure Linux server security. * * * #### Related Posts * How To Check File Size in Linux * Understanding the Linux Sudo Command: A Comprehensive Guide * How to List All Users in Linux: A Comprehensive Guide * Managing APT Repositories in Ubuntu

2 Ways To Install RPM packages on Ubuntu Software packages for Linux generally come in two main formats: Debian packages (.deb) for systems like Ubuntu and RPM packages for Red Hat-based systems. Y...

#Ubuntu

Origin | Interest | Match

[$] The current state of Linux architecture support There have been several recent announcements about Linux distributions changing the list of architectures they support, or adjusting how they build binaries for some versions of those architectures.…

[LWN.net] [$] The current state of Linux architecture support

#Ubuntu #Debian #Fedora

Security updates for Tuesday Security updates have been issued by Debian (libwebsockets), Fedora (chromium and fvwm3), Mageia (apache, firefox, and postgresql13, postgresql15), Oracle (idm:DL1), Red Hat (bind, bind9.18,…

[LWN.net] Security updates for Tuesday

#Ubuntu #Debian #Fedora

Managing a remote server often requires a way to receive automated notifications without a graphical interface. You might be running long-duration scripts and need a way to get notified upon completion, or you might want to receive unattended-upgrades reports directly in your inbox to maintain system health. Without a terminal-based email solution, you risk missing critical security alerts or hardware failures. Ubuntu provides several powerful mechanisms to send mail directly from the command line, ranging from simple notification agents to full-scale transfer services. Whether you are automating a backup script or need to check file size in Linux and mail the results to a colleague, the terminal offers efficient tools to integrate communication into your workflow. This guide explains the best methods to get mail flowing from your shell. Table of Contents Toggle * Key Takeaways: Terminal Email Essentials * Method 1: Using sSMTP for Minimalistic Sending * Method 2: Configuring Postfix (The Ubuntu Standard) * Method 3: Verifying Connectivity with telnet * Step-by-Step Process: Setting Up Postfix for Local Sending * Summary Tables * FAQs * Related Posts #### Key Takeaways: Terminal Email Essentials * **MUA (Mail User Agent)** → The **client** software (like `ssmtp` or `mail`) that you use to compose and send the message. * **MTA (Mail Transfer Agent)** → The **background service** (like **Postfix**) that handles the routing and delivery of the email. * **Postfix** → The **default MTA** for Ubuntu, compatible with legacy `sendmail` commands. * **TLS Encryption** → Essential for **security** to ensure that your passwords and message content are not sent in plain-text over the network. * **Sudo Privileges** → Administrative rights are required to install and configure mail services to ensure Linux server security. * * * #### Method 1: Using sSMTP for Minimalistic Sending For most users who only need to send alerts from scripts, **sSMTP** is the ideal solution. It is a minimalistic client that forwards mail from your terminal to an external mail server (like Gmail or an enterprise relay) without hosting a full mail server locally. **Installation:** `sudo apt install ssmtp` **Usage Example:** `echo "Subject: Test Mail" | ssmtp [email protected]` This method is highly efficient because it does not run a persistent background daemon, saving system resources while still providing reliable delivery. #### Method 2: Configuring Postfix (The Ubuntu Standard) **Postfix** is the default supported Mail Transfer Agent in Ubuntu. It is robust, secure, and designed to handle professional-grade mail traffic. It is the best choice if you need a persistent service to handle mail for multiple users or complex routing. **Installation:** `sudo apt install postfix` **Configuration Details:** During installation, a configuration menu will appear. For basic terminal sending, select **“Internet Site”** and enter your **Fully Qualified Domain Name (FQDN)**. You can trigger this menu manually later using: `sudo dpkg-reconfigure postfix` #### Method 3: Verifying Connectivity with telnet If your emails are not arriving, you can manually test your connection to the mail server to see if **Port 25** (the standard SMTP port) is blocked or open. See also: Mastering the Linux Command Line — Your Complete Free Training Guide **Command:** `telnet mail.example.com 25` **Expected Output:** 220 mail.example.com ESMTP Postfix ehlo mail.example.com 250-STARTTLS 250 8BITMIME If you see “Connected,” your network path is clear. If it hangs, your ISP or firewall settings may be blocking outbound mail traffic. * * * #### Step-by-Step Process: Setting Up Postfix for Local Sending Follow these steps to configure the standard Ubuntu mail service for your local environment: 1. **Open your terminal** and ensure your system is up to date with `sudo apt update`. 2. **Install the package** by running `sudo apt install postfix`. 3. **Choose “Internet Site”** when the configuration wizard appears. 4. **Enter your domain** (e.g., `mail.yourdomain.com`) as the System Mail Name. 5. **Restart the service** to apply changes: `sudo systemctl restart postfix`. 6. **Send a test mail** using the `mail` command: `echo "Body text" | mail -s "Terminal Test" [email protected]` 7. **Check logs** if the mail fails to arrive: `sudo tail -f /var/log/mail.log`. * * * #### Summary Tables Mail Component| Role| Recommended Tool ---|---|--- **User Agent (MUA)**| Compose/Send| `ssmtp` or `mailutils` **Transfer Agent (MTA)**| Routing/Delivery| **Postfix** **Delivery Agent (MDA)**| Inbox Storage| **Dovecot** **Alert Manager**| Automated Alerts| **Prometheus** Configuration Choice| Meaning| Best For… ---|---|--- **Internet Site**| Sends/Receives via SMTP| Production Servers **Satellite System**| Forwards all to another host| Internal Office Nodes **Local Only**| No external delivery| Development/Testing * * * #### FAQs **Why is my terminal mail going to spam?** Most automated mail from unknown IP addresses is flagged as spam. Ensure you have a valid **SPF record** or use an authenticated relay service. **Do I always need ‘sudo’ to send mail?** No. You need the sudo command only for **installation** and configuration. Once the service is set up, any user can send mail via the CLI. **Can I send file attachments from the terminal?** Yes, tools like `mutt` or `mail -A` allow you to attach files. This is useful for sending system log extracts. * * * #### Related Posts * How To Check File Size in Linux * Linux Server Security Best Practices for Administrators * A Complete Guide to System Logging with Journalctl * Understanding the Linux Sudo Command

How To Send An Email in Ubuntu Terminal Managing a remote server often requires a way to receive automated notifications without a graphical interface. You might be running long-duration scripts an...

#Ubuntu

Origin | Interest | Match