#EmbeddedLinux

[forlinx]

Working with legacy 32-bit apps on a 64-bit RK3568 system? We've got you covered.

In our latest guide, we show you how to set up the 32-bit runtime environment and cross-compile your application using gcc-linaro-7.5.0. No kernel changes required.

🛠️ Covers:

✅ Runtime lib setup (/lib32)

✅ Symbolic links & environment variables

✅ Running & debugging with ld-linux-armhf.so.3

[manjudigi01]

TechCadd provides the best Linux course in Jalandhar , Punjab. Acquire practical knowledge, expert guidance, and career-oriented skills for all levels

[siliconsignalsblog]

10 Life-Saving Yocto Tips, Tricks & Commands Every Developer Should Know

As embedded engineers, we know that Yocto is unmatched for building custom Linux distributions. But it’s also notoriously complex—small oversights can derail your entire build. Whether you're debugging u-boot, optimizing build time, or managing dependencies, these 10 advanced (non-generic) tips can be a game-changer in your daily Yocto workflow. They're pulled straight from the trenches—tested, impactful, and engineered to save your sanity.

1. 🔍 Use Devshell to Troubleshoot Complex Recipes

Command: bitbake u-boot -c devshell Launch an environment with all patches applied. Great for running commands like make menuconfig or tweaking u-boot/kernel directly. 👉 Speeds up debugging drastically. ⚠️ Be in the right build directory, and close the terminal after use.

2. ♻️ Invalidate sstate Cache for a True Rebuild

Sometimes the sstate cache doesn’t detect upstream changes. A quick comment tweak can trigger a rebuild:- # Package task + # Package task (force rebuild)

👉 Ensures your changes reflect in production builds. ⚠️ Use sparingly to avoid long rebuilds.

3. 🔗 Visualize Dependencies with Graphviz

Command:bitbake -g core-image-minimal dot -Tpng recipe-depends.dot -o dependencies.png

Explore recipe-depends.dot to analyze dependency chains. 👉 Crucial for resolving weird build issues. ⚠️ Keep focus—graphs can get heavy!

4. ⚡ Use Local Sources for Fast Dev Cycles

Add to conf/local.conf:INHERIT += "externalsrc" EXTERNALSRC_pn-yourpkg = "/local/path"

Edit code directly without constant patching. 👉 Game-changer for rapid driver or app iteration. ⚠️ Not ideal for final production images.

5. 🛠️ Automate with Post-Install Scripts

In your .bb recipe:pkg_postinst_${PN}() { cp /foo/bar.conf /etc/bar.conf systemctl enable my-service }

👉 Saves time by automating config and service setup. ⚠️ Ensure it's idempotent to avoid bricking the rootfs.

6. 🔍 Discover Layers Instead of Reinventing

Browse: https://layers.openembedded.org Find community-maintained layers like meta-qt5, meta-raspberrypi, etc. 👉 Cuts weeks off dev time. ⚠️ Double-check layer compatibility with your Yocto release.

7. 📁 Access Recipe Files Using FILESEXTRAPATHS

FILESEXTRAPATHS_prepend := "${THISDIR}/files:" SRC_URI += "file://your.conf"

👉 Keeps your recipes neat while bundling needed configs/patches. ⚠️ Ensure all referenced files exist—build will fail otherwise.

8. 🧰 Add Dev Packages to Your SDK

IMAGE_INSTALL_append = " cppzmq-dev" TOOLCHAIN_TARGET_TASK_append = " cppzmq-dev"

Also, modify SDK meta files if needed. 👉 Makes cross-compilation seamless. ⚠️ Check licenses before shipping SDKs externally.

9. 🚀 Speed Up Builds with Parallelization

In conf/local.conf:BB_NUMBER_THREADS = "8" PARALLEL_MAKE = "-j 8"

👉 Dramatically reduces build time on multi-core machines. ⚠️ Don’t max out your system—monitor memory and CPU usage.

10. 🐞 Troubleshoot Like a Pro with Verbose Logs

bitbake -v -D core-image-minimal bitbake -v -D log.domains=bb.fetch core-image-minimal

👉 Cuts down root-cause hunt time. ⚠️ Logs can get huge—redirect output to a file when needed.

🔁 Bonus: Debug Shared State with .siginfo Files

bitbake --dump-signatures core-image-minimal bitbake-diffsigs file1.siginfo file2.siginfo

Understand why sstate reuse fails by comparing task signatures. 👉 Fixes mysterious rebuild issues. ⚠️ Requires understanding of Python pickled data.

🚨 These Tips Save Time, Effort & Frustration

✅ Faster debugging (devshell, verbose logs, siginfo)

✅ Shorter dev cycles (externalsrc, parallel builds)

✅ Fewer bugs (dependency graphs, cache invalidation)

✅ Cleaner customization (postinst scripts, recipe file handling)

🔧 Working with Yocto?

Let Silicon Signals help you with custom BSPs, embedded Linux builds, and Yocto-based product development. Whether it's board bring-up, device driver integration, or image optimization—we’ve got you covered.

👉 DM us or drop a message to explore how we can support your Yocto needs! or Mail us on info@siliconsignals.io

www.siliconsignals.io

[sunstreamglobal]

Open Source Tools for Embedded Software Development

Discover the transformative potential of open source tools in embedded software development. Explore versatile solutions that enable collaboration, customization, and innovation. Uncover cost-effective approaches to streamline development processes. Enhance your projects further with embedded software development services, ensuring tailored solutions, efficient coding, and optimized performance for a wide range of applications.

[adafruit]

PCB of the day! Ultimate GPS GNSS with USB - 99 channel w/10 Hz updates 🌐🔌💻

The Ultimate GPS module you know and love that can be easily used with any computer, not just microcontrollers! With the built-in USB-to-Serial converter, you can now plug-n-play the Ultimate GPS into your computer, laptop, embedded Linux computer, and more. Power and transport data over any USB type C cable, with handy onboard indicator LEDs that let you know fix status and whether data is being received & transmitted.

[reliableembeddedsystems]

15 Nov: public/private (TBD), online, DE/EN (TBD), book until: 29 Oct ow.ly/Cg4b30rKFoL #realtime #coding #learn #embedded #yoctoizing #embeddedlinux #openembedded #linux #developer #embedded #coding #programming #software #embedsys https://video.twimg.com/ext_tw_video/1446013686687145984/pu/vid/1280x720/WYmG1sq1zsZ9qvO_.mp4?tag=12

[dailytech-info]

🌐www.techyrick.com . . #linuxtutorial #linuxcnc #linuxindonesia #linuxmasterrace #linuxhosting #linuxmint #linuxadministrator #ubuntulinux #embeddedlinux #linuxkernel #firefoxhusky #linuxusers #firefoxos #linuxubuntu #linuxlover #linuxfan #linux #linuxfoundation #linuxsetup #linuxtools #kalilinux #firefoxcycles #linuxmemes #firefoxbikes #archlinux #linuxteach #linuxcommands #linuxwindows #firefox #linuxgaming https://www.instagram.com/p/CQYdu9Nhex8/?utm_medium=tumblr

[aelmaker]

Quality test of temperature🌡️ and humidity 💧 sensors by #xiaomi sensors. More 🔭 @aelmaker . . . . . #embeddedlinux #embeddedsystem #embeddednails #embeddedworld #embeddedfaces #embeddedengineer #embedded #embeddedsoftware #embeddedspectator #embeddednailart #embeddedreporter #embeddedprogramming #embeddedcover #embeddedglitter #embedded_linux #embeddedletters #embeddedsystems #embedded_system (Mexico City, Mexico) https://www.instagram.com/p/CNupMXLricW/?igshid=5648iwgd7jls

[liamaris]

The key element of any embedded solution is choosing the appropriate OS – keeping in mind the Hardware and Software specifications & this is all taken care of at Acuiti Labs.

[forlinx]

Working with legacy 32-bit apps on a 64-bit RK3568 system? We've got you covered.

In our latest guide, we show you how to set up the 32-bit runtime environment and cross-compile your application using gcc-linaro-7.5.0. No kernel changes required.

🛠️ Covers:

✅ Runtime lib setup (/lib32)

✅ Symbolic links & environment variables

✅ Running & debugging with ld-linux-armhf.so.3

Perfect for developers working on industrial or AIoT migration projects.

[manjudigi01]

Best Linux Course in Jalandhar

Kickstart a Successful Career with the Top Linux Course in Jalandhar

As technology continues to advance, Linux has become a vital force in the IT landscape. Thanks to its reliable performance and open-source adaptability, Linux has become an essential part of many modern digital systems.From enterprise servers to cloud platforms, it supports a wide range of operations and continues to be the backbone of IT systems worldwide from cloud services and servers to cybersecurity systems and DevOps workflows.. Whether you are a student, a working professional, or an aspiring tech enthusiast, enrolling in the best Linux course in Jalandhar can give your career the boost it needs.

Why Learn Linux?

Linux is a free and open-source operating system recognized for its reliability, strong security features, and efficient performance.Linux stands out from closed-source systems by offering extensive customization options, which is why it’s favored by developers, administrators, and network professionals.Companies across the globe rely on Linux-based infrastructure, creating high demand for certified professionals in this domain.

What You’ll Learn in a Linux Course

A well-structured Linux course in Jalandhar will provide hands-on experience with real-world Linux environments. The course spans a wide range of topics, starting with fundamental commands and progressing to shell scripting and managing Linux servers.Introduction to Linux architecture

Command-line interface (CLI) usage

File system management

User and permission control

Shell scripting and automation

Software package management

Linux system administration

Network configuration and troubleshooting

This practical approach ensures you're not just learning theory but also building skills that are immediately applicable in professional settings.

Benefits of Linux Training in Jalandhar

Choosing professional Linux training offers multiple benefits:

Expert-Led Instruction: Learn from industry-experienced trainers who provide guidance through real-time projects and labs.

Certification Support: Get prepared for globally recognized Linux certification exams such as Red Hat Certified System Administrator (RHCSA) or Linux Professional Institute Certification (LPIC).

Career Readiness: Develop skills that employers are actively seeking in IT, cloud computing, and cybersecurity sectors.

Cost-Effective and Convenient: Get high-quality Linux training close to home with a top-rated course in Jalandhar.

Flexible Learning Modes: Choose between classroom, online, or hybrid training formats.

Who Should Take This Course?

Students aiming to enter the IT or software development field

System administrators looking to strengthen their Linux knowledge

Network professionals who rely on Linux to manage server setups and implement security measures

DevOps specialists and cloud experts who operate within Linux-driven environments

Anyone preparing for a Linux certification to validate their skills

Career Prospects After Linux Certification

Once you complete your Linux training and earn a Linux certification, a world of job opportunities opens up. You can pursue roles such as:

Linux System Administrator

DevOps Engineer

Network Administrator

Cloud Support Engineer

Security Analyst

These roles not only offer high salaries but also job stability and international career paths.

Conclusion

If you're looking to build a successful tech career, mastering Linux is a smart investment. Enroll in the best Linux course in Jalandhar to gain hands-on expertise, industry-recognized certifications, and the confidence to succeed in today's competitive IT world. Whether you're starting from scratch or leveling up your current skills, Linux knowledge will set you apart in the job market.

[acuitilabs]

The key element of any embedded solution is choosing the appropriate OS – keeping in mind the Hardware and Software specifications & this is all taken care of at Acuiti Labs. For services, visit >> https://bit.ly/2MRsKtt

[adafruit]

Mini USB hub proto is a universal USB port expander 🔌💡🖥️📲🔄💻🎛️🧩

Sometimes you've got something with USB host, like a embedded linux board, and you want to connect more than one thing. or maybe you want to turn something like a keyboard into a multi-device USB peripheral. this usb hub board will do that for you! it features an SL2.1 USB 2.1 hub chip which converts one port into four. we have either 0.1" header or USB C for the upstream, and then 4 x 4-pin ports for peripheral connections. to test it out we're using our 'simple' USB-breakout cables https://www.adafruit.com/product/4449 that just give the 5V/D+/D-/GND pins on wires for quick testing. all is good, this is ready to order!

[embedded-hash]

🌟 Student Success Stories at Embedded Hash! Practical training, expert mentors, and unbeatable placement assistance make us the ultimate destination for Embedded Systems & IoT learning. Pin your career dreams with us! 📌💻

✨Full-Day Classes

✨Internship Opportunities

✨Perfect for Students and Working Professionals

✨ Mock Interviews & Resume Prep

🎯Take the first step towards your dream career today

"🗺️ Transform your passion for tech into expertise with Embedded Systems! in our Embedded Hash Dive into real-world projects, gain practical experience, and receive 100% placement support. 🚀

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[reliableembeddedsystems]

17 May: public, online, DE/EN (TBD), book until: 17 Apr ow.ly/ybM630rxCKK #yocto #yoctoproject #yoctoizing #embeddedlinux #openembedded #linux #developer #embedded #coding #programming #software #embedsys @yoctoproject @yoctotraining https://video.twimg.com/ext_tw_video/1377163779209711617/pu/vid/1280x720/P7afz4TuFkfmb8N2.mp4?tag=12