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Description
geertop zelt 1 person 1-2 Personen UPF50+ WanderzeltP Serie 1 2 Personen Wanderzelt mit UV Schutz. Dieses doppelwandige Kuppelzelt wurde fr Biwakieren, Trekking und Camping in der Natur entwickelt und bietet kompakten Schutz fr ein oder zwei Personen. Ein praktisches Vordach dient zum Kochen oder zur Aufbewahrung von Ausrstung. Das Auenzelt aus geprgtem 210T Polyester verfgt ber eine PU2000+ Beschichtung (ca. 2. 500 mm Wassersule) und einen UPF50+ Schutz, der die UV Strahlung deutlich reduziert. Das
P-Serie 1-2-Personen-Wanderzelt mit UV-Schutz. Dieses doppelwandige Kuppelzelt wurde für Biwakieren, Trekking und Camping in der Natur entwickelt und bietet kompakten Schutz für ein oder zwei Personen. Ein praktisches Vordach dient zum Kochen oder zur Aufbewahrung von Ausrüstung.
Das Außenzelt aus geprägtem 210T-Polyester verfügt über eine PU2000+-Beschichtung (ca. 2.500 mm Wassersäule) und einen UPF50+-Schutz, der die UV-Strahlung deutlich reduziert. Das Gewebe ist lichtdurchlässig, verhindert Wärmestau im Zeltinneren und schützt die Haut bei Sonneneinstrahlung. Der 150D-Oxford-Zeltboden mit hochwertiger PU-Beschichtung bildet eine geschlossene Barriere gegen Feuchtigkeit und Wassereintritt. Das Innenzelt kombiniert winddichtes Polyestergewebe mit einem feinmaschigen 68D-Moskitonetz für effektive Belüftung und hält gleichzeitig Insekten fern. Kritische Nähte sind verstärkt und versiegelt.
Das freistehende Kuppelzelt mit seinen leichten und dennoch robusten Aluminiumstangen bietet hervorragenden Windschutz. Der Vorraum lässt sich mit Trekkingstöcken oder Stangen (nicht im Lieferumfang enthalten) in ein kleines Vordach verwandeln und bietet so einen geschützten Eingangsbereich zum Verstauen von Gepäck und Schuhen oder für eine Pause im Schatten. Mit einer Liegefläche von ca. 215 x 135 cm und einer Innenhöhe von fast 120 cm bietet das Zelt ausreichend Platz für einen Wanderer mit viel Ausrüstung oder zwei Personen in kompakter Konfiguration. Zusammengepackt passt das Zelt in einen Packsack von ca. 45 x 17 cm und wiegt vollgepackt ca. 2,1 kg. Ohne Zubehör beträgt das Minimalgewicht ca. 1,9 kg.
Technische Spezifikationen und Vorteile
- Selbsttragende Kuppelarchitektur: stabile Kreuzkonstruktion, steht von selbst, bevor die Pfähle gesetzt werden, praktisch auf harten Böden oder Plattformen.
- Geeignet für den Einsatz in allen gemäßigten Jahreszeiten: Doppelwandig, bietet einen guten Kompromiss zwischen Wärmedämmung und Belüftung und ist ganzjährig einsetzbar, außer in extremen Hochgebirgsregionen.
- 210T geprägtes Polyester-Außenmaterial: strukturierte Oberfläche für verbesserte Lichtstreuung, schnelles Trocknen und gute Abriebfestigkeit.
- PU2000+ Wasserdichtigkeit: Polyurethanbeschichtung, die zuverlässigen Schutz vor Dauerregen gewährleistet, freiliegende Nähte sind heißversiegelt.
- UPF50+ Sonnenschutz: Anti-UV-Behandlung, die die Durchlässigkeit von UVA/UVB-Strahlen begrenzt, geeignet für längere Biwaks in der vollen Sonne.
- Oxford 150D integrierter Tankboden: dick beschichtetes Segeltuch, erhöhte Ränder zur Reduzierung des Eindringens und zum Schutz der Matratze vor Feuchtigkeit.
- Atmungsaktive Innenkammer: Kombination aus robustem Stoff und hochdichtem Moskitonetz, Komfort sowohl bei kühlem Wetter als auch in warmen Nächten.
- Rahmen aus Aluminiumlegierung: robuste, segmentierte Reifen, gute Elastizität, längere Lebensdauer als Fiberglasreifen.
- Modulares Vordach: Die Haupttür lässt sich zu einem Unterstand ausziehen, der das Kochen oder das Sitzen im Schatten bei heißem Wetter ermöglicht.
- Optimierte Belüftung: geschützte obere Lüftungsöffnungen, Tür und Markise, die sich teilweise öffnen lassen, wodurch die Kondensation in der Nacht deutlich reduziert wird.
- Komfort für 1 bis 2 Personen: Länge von ca. 215 cm, geeignet für größere Personen, Breite 135 cm für ein breites Einzelbett oder zwei kompakte Matratzen.
- Zuverlässige Beschläge: Doppelschieberverschlüsse, verstärkte Verankerungspunkte, Winkelverstellgurte für präzise Segeltuchspannung.
- Sichtbarkeit und Sicherheit: Reflektierende Abspannleinen sind mit einer Stirnlampe sichtbar, die Farbe des Segeltuchs ist im natürlichen Gelände gut erkennbar.
- Zum Zubehör gehören: eine kompakte Tragetasche, ein Satz Metallheringe und vormontierte Abspannleinen, die sofort einsatzbereit sind.
- Farben: Je nach Serie stehen drei Farben zur Auswahl: Gelb, Blau oder Grau.
- Abmessungen und Gewicht: Liegefläche ca. 215 × 135 cm, Innenhöhe 120 cm, Packsack 45 × 17 cm, Gesamtgewicht ca. 2,1 kg, Minimalgewicht ca. 1,9 kg.
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4.8 ★★★★★
Based on 768 reviews
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Product Reviews
★★★★★ 5
A Hands-On and Deep Guide to Linux Kernel Programming
Format: Paperback
Linux Kernel Programming, Second Edition is a very practical and well-structured book for anyone who wants to understand how the Linux kernel works. It focuses on both theory and real hands-on learning. The book uses a clear style and explains complex topics in a simple way. It is designed to help readers build real skills, not just read concepts. It is especially useful for developers who want to work closer to the operating system.
One of the most interesting parts of the book is the strong introduction to kernel programming. It explains how to set up a development environment, build the Linux kernel from source, and write the first kernel module. This section gives readers a solid starting point and builds confidence early in the learning process. It also explains why loadable kernel modules are widely used in real-world projects.
Another highlight is the deep coverage of kernel internals. The book explains core concepts such as kernel architecture, processes, threads, and the difference between user mode and kernel mode. These ideas are often hard to understand, but the book presents them in a clear and structured way. This helps readers see how the operating system really works under the surface.
The memory management section is especially strong and detailed. The book spends several chapters explaining how memory is allocated and managed inside the kernel. It also explains advanced topics such as page allocation, memory reclaim, and the out-of-memory system. These chapters are very useful for understanding performance and stability in real systems.
Another very interesting section is the coverage of CPU scheduling. The book explains how the Linux kernel decides which task runs at a given time. It introduces scheduling policies, priorities, and modern features like control groups. The explanations are practical and supported by examples, which makes the topic easier to follow.
The chapters on kernel synchronization are also a major highlight. They explain concepts such as locks, atomic operations, and deadlock prevention. These topics are critical for writing safe and reliable kernel code. The book also shows real examples and common mistakes, which helps readers avoid problems in their own work.
Another strength of the book is its hands-on approach. It includes many kernel modules, scripts, and examples that readers can try themselves. This makes learning more engaging and helps turn theory into real skills. The focus on practical work makes the book stand out from more theoretical resources.
Overall, this book is a great choice for developers, system programmers, and engineers who want to understand the Linux kernel in depth. It starts with the basics and moves into advanced topics in a smooth way. The combination of clear explanations and practical examples makes it a strong and valuable learning resource.
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Reviewed in the United States on April 16, 2026
★★★★★ 4
Poor quality binding
Format: Paperback, Format: Paperback
Binding glue fell apart in less than a week and the pages fell out. Content is great though and I have a shiny new kernel based on Kali. 4 stars despite the binding because the content is top tier if you love all things Linux 🤌
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Reviewed in the United States on July 4, 2025
★★★★★ 5
An Essential Guide for Mastering Linux Kernel Development
Format: Paperback, Format: Paperback
Linux Kernel Programming - Second Edition: A Comprehensive and Practical Guide to Kernel Internals, Writing Modules, and Kernel Synchronization is an outstanding resource for anyone eager to understand the inner workings of the Linux kernel. Whether you're a beginner looking to get started or an experienced developer aiming to deepen your knowledge, this book delivers a well-structured and hands-on approach to kernel programming.
The book starts with the fundamentals—setting up a kernel development environment, understanding kernel release nomenclature, and compiling the 6.x Linux kernel from source. As you progress, it dives into advanced topics such as kernel configuration, writing and debugging loadable kernel modules (LKMs), kernel synchronization mechanisms, memory management, CPU scheduling, and much more. Each chapter builds on practical examples, ensuring that readers not only understand the theory but also learn how to apply it in real-world scenarios.
One of the book's biggest strengths is its focus on practical application. From exploring the kernel build process and bootloader configurations to working with Git for kernel development and troubleshooting system crashes using debugging tools, the book provides step-by-step guidance. The coverage of kernel synchronization techniques—including spinlocks, mutexes, and RCU—makes it an invaluable reference for those dealing with concurrent programming in the kernel space.
Whether you're an aspiring kernel developer, a DevOps engineer, or a systems programmer, this book is a must-have. The clear explanations, well-structured content, and hands-on exercises make it a perfect companion for anyone wanting to go from a beginner to an expert in Linux kernel programming.
Highly recommended for anyone serious about understanding and working with the Linux kernel!
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Reviewed in the United States on January 29, 2025
★★★★★ 5
Broad, detailed and comprehensible book on Linux Kernel Programming
Format: Paperback, Format: Paperback
I got on my desk a copy of "Linux Kernel Programmin (2E)" by Kaiwan N. Billimoria
and will shortly mention what this book is about.
It is a book that you can read cover-to-cover to have a better understanding of kernel development,
but I see also how it can be used as a reference when you are going to throw C code at your compiler
and build a linux kernel.
There is a number of scenario why you might want to do that:
- You are recompiling the kernel for a new machine that needs better support
- You are going to implement a kernel module and you need some context
- You are going to work on the kernel yourself
While all of those use-cases for the book are technically a fit, apart from gaining some
higher understanding I see the most out of it if you are going to code on the kernel itself.
There you have everything that is needed. You can go back and forth between your code
and the book, and still learn by doing.
What mostly impressed me is the breath of the topics: the chapter about writing
a config file for the kernel enlists a total of seven (7!) different strategies
to get started with a configuration file for your kernel.
Also a lot of side tools are mentioned to help out with kernel development and
debugging.
Quite some module development can be in theory done without fully understanding
the details of the kernel itself, but the deeper you reach, the more you will
need the details that are well discussed in the book.
Memory allocation, CPU scheduling algorithms, the book does not try to save
words and describe in detail and plain language most things there is to know,
not sparing plenty of references to other books and articles.
Also, the material is up-to-date with the latest kernel.
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Reviewed in the United States on March 8, 2024
★★★★★ 5
For begginers and also experienced kernel developers!
Format: Paperback
There are a few aspects about the book that I really like. One is that every chapter provides a very detailed and immersive look into a specific part of kernel development. Another interesting aspect about the book is that it is based on a very recent kernel version (6.1), which is also an LTS version that will be maintained for a few years. I am not aware of any other book about the Linux kernel based on such a recent version.
The first 3 chapters of the book explains how to configure and build the Linux kernel (both natively for x86_64 and cross-compiling for AArch64). After that, chapters 4 and 5 explains all you need to know about how to write kernel modules. And starting from chapter 6, the book introduces different aspects of kernel programming in very detail, from the scheduler to memory management and synchronization. Get ready, because it is indeed a big book, with more than 800+ pages!
I really think the book targets both beginners and experts. For beginners, it will be a deep dive into major kernel programming concepts (make sure you follow along the exercises proposed by the author). For experienced kernel developers, the book is really a refresher. Though I work with the Linux kernel for 15+ years, I can still learn a lot by reading the book. An old dog can always learn new tricks, right?
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Reviewed in the United States on May 30, 2024