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Devenir ingénieur DevOps: Guide complet pour réussir

Devenir ingénieur DevOps: Guide complet pour réussir

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Vous souhaitez devenir ingénieur DevOps ? Découvrez notre guide complet pour vous aider à réussir dans ce domaine passionnant !

Dans le paysage en constante évolution de l’informatique et du développement logiciel, DevOps est devenu une méthodologie critique qui relie les équipes de développement et d’exploitation.

2. Gather the Necessary Skills:

DevOps engineers need to possess a wide range of technical skills to be successful. These include knowledge of scripting languages such as Python and Bash, proficiency in configuration management tools like Ansible and Chef, and expertise in containerization and virtualization technologies like Docker and Kubernetes. Additionally, DevOps engineers should have a good understanding of source control systems like Git, continuous integration tools such as Jenkins, and monitoring solutions like Nagios.

3. Acquire Hands-on Experience:

The best way to learn DevOps is to gain hands-on experience. Start by setting up a local environment and deploying a simple application. Then, move on to more complex tasks such as automating builds, deploying applications in containers, and configuring monitoring tools. You can also join online communities such as Stack Overflow to interact with experienced DevOps engineers and get answers to your questions.

Conclusion

DevOps is a rapidly evolving field that requires a strong understanding of the underlying principles and technical skills. To become a successful DevOps engineer, you need to understand the DevOps philosophy, acquire the necessary skills, and gain hands-on experience. With the right attitude and dedication, you can embark on an exciting journey and make a successful career in DevOps.

1. Comprendre la philosophie DevOps :

Avant de plonger dans les aspects techniques, il est important de comprendre les principes et la philosophie de base derrière DevOps. DevOps met l’accent sur la collaboration, la communication et l’intégration entre les équipes de développement et d’exploitation pour atteindre une livraison et une amélioration continues. Familiarisez-vous avec la culture DevOps, ses valeurs et l’importance de l’automatisation dans le cycle de développement logiciel.

2. Acquérir les compétences nécessaires :

Les ingénieurs DevOps doivent posséder une large gamme de compétences techniques pour réussir. Ceux-ci incluent la connaissance des langages de script tels que Python et Bash, la maîtrise des outils de gestion de configuration tels que Ansible et Chef et l’expertise des technologies de conteneurisation et de virtualisation telles que Docker et Kubernetes. De plus, les ingénieurs DevOps devraient avoir une bonne compréhension des systèmes de contrôle des sources comme Git, des outils d’intégration continue tels que Jenkins et des solutions de surveillance telles que Nagios.

3. Acquérir une expérience pratique :

La meilleure façon d’apprendre DevOps est d’acquérir une expérience pratique. Commencez par configurer un environnement local et déployer une application simple. Ensuite, passez à des tâches plus complexes telles que l’automatisation des builds, le déploiement d’applications dans des conteneurs et la configuration des outils de surveillance. Vous pouvez également rejoindre des communautés en ligne telles que Stack Overflow pour interagir avec des ingénieurs DevOps expérimentés et obtenir des réponses à vos questions.

Conclusion

DevOps est un domaine en constante évolution qui nécessite une bonne compréhension des principes sous-jacents et des compétences techniques. Pour devenir un ingénieur DevOps réussi, vous devez comprendre la philosophie DevOps, acquérir les compétences nécessaires et acquérir une expérience pratique. Avec la bonne attitude et la dévotion nécessaires, vous pouvez entreprendre un voyage passionnant et faire une carrière réussie dans DevOps.

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Analyse de log avec grep

Analyse de log avec grep

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L’analyse de log avec grep est une méthode très pratique pour trouver des informations importantes dans les fichiers de log.

Mon récent voyage avec Linux et comment j’utilise grep pour analyser les journaux

Récemment, j’ai commencé un nouveau rôle en tant qu’ingénieur logiciel et, dans mon poste actuel, je passe beaucoup de temps dans le terminal. Bien que je sois un utilisateur Linux depuis longtemps, j’ai entamé mon voyage Linux après avoir été frustré par la configuration d’un environnement Node.js sous Windows pendant mes études universitaires. C’est à ce moment-là que j’ai découvert Ubuntu et que je suis tombé amoureux de la simplicité et de la puissance du terminal Linux. Malgré le fait que j’ai commencé mon voyage Linux avec Ubuntu, ma curiosité m’a poussé à essayer d’autres distributions, telles que Manjaro Linux et, finalement, Arch Linux. Sans aucun doute, j’ai une profonde affection pour Arch Linux. Cependant, au travail, j’utilisais macOS et, progressivement, j’ai également développé un amour pour macOS. Maintenant, j’ai basculé sur macOS comme pilote quotidien. Néanmoins, mon amour pour Linux, en particulier Arch Linux et la personnalisation étendue qu’il offre, reste inchangé.

Quoi qu’il en soit, dans ce post, je vais discuter de grep et de la façon dont je l’utilise pour analyser les journaux et découvrir des informations. Sans aucun doute, grep s’est avéré être un outil exceptionnellement puissant. Cependant, avant de plonger dans grep, voyons d’abord ce qu’est grep et comment il fonctionne.

Grep est un outil de ligne de commande qui peut être utilisé pour rechercher des chaînes de caractères spécifiques dans un fichier ou un ensemble de fichiers. Il est très utile pour rechercher des mots ou des expressions spécifiques dans un fichier. Grep prend en charge une variété d’options qui peuvent être utilisées pour affiner les résultats de recherche. Par exemple, l’option -i peut être utilisée pour ignorer la casse lors de la recherche d’une chaîne de caractères spécifique. L’option -v peut être utilisée pour afficher toutes les lignes qui ne contiennent pas la chaîne de caractères spécifique. Il existe également des options supplémentaires qui peuvent être utilisées pour affiner les résultats.

J’utilise principalement grep pour analyser les journaux et découvrir des informations. Par exemple, je peux utiliser grep pour rechercher des erreurs spécifiques dans les journaux afin de trouver des indices sur les causes possibles des erreurs. J’utilise également grep pour rechercher des chaînes de caractères spécifiques dans les journaux afin de trouver des informations sur l’utilisation et le comportement des utilisateurs. En outre, j’utilise grep pour tester le code source afin de trouver des erreurs ou des bogues potentiels. Enfin, j’utilise grep pour rechercher des informations spécifiques dans les fichiers de configuration afin de vérifier si les paramètres sont correctement configurés.

En bref, grep est un outil extrêmement puissant qui peut être utilisé pour rechercher des chaînes de caractères spécifiques dans un f

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Introduction à la méthodologie Kanban

Introduction à la méthodologie Kanban

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Découvrez comment la méthodologie Kanban peut vous aider à améliorer votre productivité et à atteindre vos objectifs !

Kanban : Une méthodologie qui a vu le jour au Japon dans les années 1940 pour améliorer l’efficacité de la fabrication. Aujourd’hui, elle s’est transformée en une approche largement utilisée pour gérer le travail dans divers secteurs, allant du développement logiciel à la santé. Kanban est une méthode Lean pour gérer et améliorer le travail dans les systèmes humains. Cette méthode utilise un système visuel pour gérer le travail à mesure qu’il progresse à travers diverses étapes de développement. C’est un outil simple mais puissant qui aide les équipes à gérer le flux de travail et à réduire les déchets. Cet article fournira un aperçu de la méthodologie Kanban, de ses avantages et de sa mise en œuvre.

Kanban is a visual system that uses cards, boards, and columns to represent the different stages of a project. It is used to manage workflows and ensure that tasks are completed in an efficient and timely manner. The cards represent individual tasks, and the columns represent the different stages of the workflow. Each card is moved from one column to another as it progresses through the workflow.

Kanban is a lean methodology that focuses on reducing waste and improving efficiency. It encourages teams to focus on the flow of work, rather than individual tasks. This helps teams identify bottlenecks and areas of improvement in their workflow.

Les Avantages de Kanban

Kanban est une méthode efficace pour gérer et améliorer le travail à travers les systèmes humains. Il offre de nombreux avantages, notamment une meilleure visibilité et une meilleure communication entre les membres de l’équipe.

Kanban permet aux équipes de mieux comprendre leurs processus et de les améliorer. Il permet aux équipes de mieux identifier les goulots d’étranglement et les domaines à améliorer dans leur flux de travail. Cela permet aux équipes de se concentrer sur l’amélioration continue et d’atteindre leurs objectifs plus rapidement.

Kanban est également une méthode très flexible qui peut être facilement adaptée aux besoins changeants des équipes. Il peut être utilisé avec une variété de technologies, notamment des tableaux Kanban numériques et des bases de données. Les tableaux Kanban numériques permettent aux équipes de gérer leur travail à distance et d’accéder à des informations en temps réel sur leurs projets. Les bases de données peuvent être utilisées pour stocker des informations sur les tâches et les projets, ce qui permet aux équipes de mieux comprendre leurs processus et de les améliorer.

Comment Mettre en Œuvre Kanban

Mettre en œuvre Kanban est relativement simple et peut être fait en quelques étapes simples. La première étape consiste à définir le flux de travail et à créer des colonnes pour représenter les différentes étapes du projet. La deuxième étape consiste à créer des cartes pour représenter les tâches individuelles et à les placer dans la colonne appropriée. La troisième étape consiste à définir des règles pour le flux de travail, telles que la quantité maximale de tâches qui peuvent être effectuées à chaque étape et le temps maximum autorisé pour chaque tâche. La quatrième étape consiste à surveiller le flux de travail et à apporter des modifications si nécessaire.

Kanban est une méthode puissante qui peut aider les équipes à améliorer leur flux de travail et à réduire les déchets. Il peut être facilement mis en œuvre avec une variété de technologies, notamment des tableaux Kanban numériques et des bases de données. Les équipes peuvent utiliser ces outils pour mieux comprendre leurs processus et améliorer leur efficacité. Kanban est un outil simple mais puissant qui peut aider les équipes à atteindre leurs objectifs plus rapidement et plus efficacement.

Kanban est une méthode qui a vu le jour au Japon dans les années 1940 afin d’améliorer l’efficacité des processus de fabrication. Aujourd’hui, elle est largement utilisée dans divers secteurs, allant du développement logiciel à la santé. Il s’agit

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20 Git Basic Commands Every QA Engineer Should Know

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In this article, we will talk about Git. Git it’s a version control system, a tool that tracks changes to your code and shares those changes with others. This article lists the most basic commands that a QA person/developer should know in order to master the management of GitHub repositories at a high level. It will be useful for both beginners and experienced users to review again basic day to day commands.

Setting Your Username in Git

The username is needed to bind commits to your name. This is not the same as the GitHub account username used to log in to the GitHub profile. You can set or change the username using the git config command. The new name will automatically show up in subsequent commits pushed via the command line.

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Ending the DevOps vs. Software Engineer Cold War

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If we were that metaphorical fly on the wall, following an all too common Slack conversation between a software engineer and DevOps engineers, it might go something like this:

Software Engineer: This is gonna take forever. “I need a new environment for my app.”

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The Serverless Database You Really Want

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The dreaded part of every site reliability engineer’s (SRE) job eventually: capacity planning. You know, the dance between all the stakeholders when deploying your applications. Did engineering really simulate the right load and do we understand how the application scales? Did product managers accurately estimate the amount of usage? Did we make architectural decisions that will keep us from meeting our SLA goals? And then the question that everyone will have to answer eventually: how much is this going to cost? This forces SREs to assume the roles of engineer, accountant, and fortune teller.

The large cloud providers understood this a long time ago and so the term “cloud economics” was coined. Essentially this means: rent everything and only pay for what you need. I would say this message worked because we all love some cloud. It’s not a fad either. SREs can eliminate a lot of the downside when the initial infrastructure capacity discussion was maybe a little off. Being wrong is no longer devastating. Just add more of what you need and in the best cases, the services scale themselves — giving everyone a nice night’s sleep. All this without provisioning a server, which gave rise to the term “serverless.”

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Overcoming Blank Page Paralysis

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Whether you’re new to the job or are an experienced designer, the anxiety of a new project can sometimes – often unexpectedly – cause us to freeze in our tracks. This creative paralysis sees us staring at a blank page, unable to come up with ideas, and the knowledge that time is slowly ticking away.

We’ve all been there. So we thought it would be helpful to share our tips and tricks for overcoming the tyranny of the blank page and help you get back to doing great work.

The first thing to know is that you are not alone; blank page syndrome has a basis in science, with a clearly identifiable set of symptoms that consistently occur together. 

The first thing to know is that you are not alone; blank page syndrome has a basis in science

It starts when you become stressed. Stress causes your brain to produce hormones that slow down neural functions, which only serves to increase the feelings of inadequacy over a lack of creative spark – and fuel anxiety. Understandably, this causes a spiral as your mind seems to get emptier and the blank page more threatening.

But don’t fear! Because there are ways to move past blank page paralysis and get back to productivity. 

Just Relax

Once you’re in a negative spiral, it’s notoriously difficult to get out of. The best solution is to avoid the spiral entirely – by starting in the right frame of mind. This means setting up a calm work environment before you even sit down. 

Do your best to avoid major distractions – such as young children who need your attention or colleagues who like to play music that vexes your soul. We’re not saying that you need a sound-proofed home office – the kitchen table might be fine – but schedule your work time for when the kids are at school or with a minder, or work from home if the office is likely to be noisy. A pair of noise-canceling headphones can be handy, too.

Avoid Distractions

Seemingly small things can also get in the way of your work. Chat and email notifications are the digital equivalents of a person calling your name from across a room. Try to avoid or silence anything that stops you getting into the creative mindset, even if you just mute things for a few hours. It’ll help you mentally separate your creative workspace from everything else.

all of those notifications will still be there when you resurface

Ultimately, you need to create a mood that you subconsciously associate with being productive. But even when the space around you is perfect, it can still take a while to get into the zone. Brains don’t just flip into creativity at the flick of a switch, so be kind to yourself. And remember – all of those notifications will still be there when you resurface later in the day. 

Do a Warm-Up

Studies have shown that a blank page is particularly stressful because it makes the task in front of you feel bigger than it really is. Gazing at an empty page is like seeing the whole project stretching out before you. The stress comes from the feeling of having to fill the whole journey, all the way from A to Z.

So don’t start with A! Instead, begin with a warm-up. Just as dancers always start with a series of exercises to warm up their muscles, creative designers can benefit from something similar. You could start by talking things through with colleagues or sketch some ideas using pen and paper, before opening your design app. 

Alternatively, you could start by planning your content hierarchy. You don’t need all the final words – but it can be helpful to work out how many headings you’re going to have, where images will sit, and whether your copy will be in paragraphs or lists. 

By doing this, you’ll have elements to place and a rough idea of their relative importance. It’s easy to get overawed by the importance of actual content – so start by getting a grip on the type, density, and length of content. 

Take Inspiration

The world around us is filled with inspiration and according to an icon designer Yannick Lung:

It helps to observe things in the real world and play around with them.

It can also help to borrow an idea. Obviously, we never condone copying someone’s work, but using existing work as a reference or jumping-off-point can help. Think of it as putting your own twist on an existing idea.

“I sometimes find it useful to reverse engineer a good example of the sort of thing I’m trying to write (and this works for design too). I usually break down a successful example into its constituent parts and swap them out for things more relevant to the project at hand, then refine from there,” says Harvey, one of Sketch’s brand storytellers.

Let Templates Take the Strain

Instead of putting pressure on yourself to instantly start designing, begin by creating templates or wireframes. This isn’t an avoidance tactic. Spending time creating an outline template saves time in the long run – plus, doing practical work that doesn’t need lots of detail will act as a warm-up. It might even help you catch potential issues in your designs earlier. 

Be Collaborative and Welcome Early Feedback

In general, people don’t work well in isolation – so collaborating with colleagues is a great way to get design ideas flowing. At the start of a project, reach out to your colleagues to let them know what you’re going to be working on and set up a session to collaborate on ideas and ask for direct input.

Never wait until the end of a project to ask for feedback. Involving your colleagues in the process early helps counter blank page paralysis and involving stakeholders can help you manage expectations. Aim to get regular and consistent feedback rather than waiting for it – which could cause a delay in your project. 

And of course, you should always choose a design software that enables real-time collaboration so that everyone working on a project can avoid version conflicts.

Avoid Burnout

When work isn’t physical, it can be hard to judge how much it takes out of us

When work isn’t physical, it can be hard to judge how much it takes out of us. If you’re suffering from blank page paralysis, it’s probably a sign that you’re starting to get burnt out. Try setting an alarm on the other side of the room so you have to get up to turn it off regularly – or just scheduling some time into your day to take a break, stretch, or even take a walk. Stepping away from your screen is good for your brain and your body.

In the end, the most important thing to remember when it comes to blank page syndrome is that you have to be kind to yourself. Nobody can be productive 100% of the time – we’re only human, after all. What matters is that you do whatever you need to get your creativity flowing.

 

Featured image via Pexels.

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How to Scale Your Design Process and Improve Handoff

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It’s something every design team dreams about – a better design process and handoff procedure. Your design team is not alone if you are looking for a better solution.

Imagine what your workflow would look like if you could forgo the struggles of image-based technology, design and handoff with accurate components that have interactive features. Projects in the design phase will look more like final products and, most importantly, interact like final products. 

Let’s imagine a new design process together.

Challenges of an Image-Based Design Process

Here’s what we all know – image-based design tools provide pictures of components in the visual form but lack the interactivity and conditions that exist in the end-product. There’s not a high level of functional fidelity there, and it can cause confusion among design teams and rework.

These tools require you to redraw the fundamental components and design with boxes and rectangles, which takes too much time and can create a disconnect between the design and development teams. 

Further, you don’t fully maximize the potential of a design system because of inconsistencies between code-powered systems that developers use and these image-based systems for designers. There’s an innate gap between maintaining the environments and creating consistency in components. 

The final and maybe most difficult challenge with an image-based design process is in usability testing. You just can’t test an image the way you can working components. If the prototype is not interactive enough, you lose valuable feedback in the testing process. Functional fidelity is a must-have design and development tool in 2022. 

Iress, market-leading financial software, had many of these same problems in its design system process. You can probably relate to its story, which includes a designer and engineer who aren’t entirely on the same page, hit the deadline and have to deliver, and then get customer feedback. The result was a lot of extra headaches and work. 

But there is a better way: Import all user interface components into a code-powered design system in sync with a design tool so that your team can work in harmony to build, scale, and handoff projects with ease. 

Scale Design With Accurate Components

Here’s what most design and development teams want en route to building products: Accurate components with built-in interactivity, states, and conditions. No redrawing boxes and rectangles; no trying to figure out what states and interaction should be.

And if you can do it with ten times the speed and agility? Now you’re really in business. 

“It used to take us two to three months just to do the design. Now, with UXPin Merge, teams can design, test, and deliver products in the same timeframe,” said Erica Rider, Senior Manager for UX at PayPal. “Faster time to market is one of the most significant changes we’ve experienced using Merge.”

The time and workflow savings come from the ability to maintain only one environment as a product team. Rather than image-based tools, a code-powered design system that will push updates to components as the design evolves is the modern way to work. This workflow can also eliminate duplicate documentation so that your team has a single source of truth for whole product teams. 

Now you can be more agile in the design process and scale. And as Rider hinted at, there is a solution already available in UXPin Merge. 

Scalability with accurate design components has other benefits as well. 

Teams can onboard people faster because the design system is in the design tool. There’s less searching for answers with drag and drop-ready building blocks. New team members will find more success and be more valuable to the team quicker due to fewer inconsistencies and errors. 

Testing also gets a boost as you scale with a single source of truth. You can actually create better usability tests with a high-fidelity, functional version of the prototype, allowing users to leave more valuable and detailed feedback that can improve your product in the early stages. 

Better Handoffs Start Here

As you imagine a better design process, take it one step further. Better handoffs are a goal for most teams. 

An interactive component-based design tool can eliminate the need for multiple iterations of the same meeting to explain how a prototype works. Everyone can see and interact with it for themselves with accurate, true components that ensure the prototype works the same as the product. 

Designers will feel more like their vision is making it into the final product, and developers have a better idea of how to work. Everyone has the exact same components written in code. Thanks to the single source of truth, devs can speed up as they build the product because they start with components that include production-ready code.

A typical design to developer handoff might have multiple steps: Create vector design elements, create a model for interactions, and then send the prototype with documentation. Not to mention the meetings that are required to make sure everyone is on the same page.

In a model with interactive component elements, the developer handoff is fast and easy; they create a prototype with true components and all the built-in properties. The developer copies the JSX code and pastes it into his tool to build the final product. All the component properties and their coded interactions already exist in the source code. This is possible because the source of truth is the code itself, the source code.

Quick Tool Solution and Technical Use

This solution to this common challenge is not somewhere in the future; it’s already here.

UXPin, a code-based design tool, has Merge technology, which allows you to bring all interactive components into UXPin. Then you can use your own, or the open-source library with the ready-made building blocks to get products ready faster.

Here are just a few of the things you can do with Merge by UXPin:

  • Integrate your developer’s storybook to use it as a single source of truth (works for all frameworks)
  • Import design system components from a dev’s Git repository, such as GitHub, Bitbucket, GitLab, or others (works with React)
  • Work with the built-in MUI library
  • Add the npm component package to UXPin on your own (no developer required)
  • Design with the confidence that your work can be ideally reflected by developers
  • Create and share a library of interactive components

Summary 

Say bye-bye to redrawing rectangles – build more accurate prototypes easier and end-products faster with Merge by UXPin.

Now is the time to solve one of your biggest design challenges while upgrading and scaling the design process and improving handoffs. 

Merge by UXPin is user-friendly and made for scalable projects of almost any size. The line between design and development blurs with quicker product release and a fully-interactive solution. Request access today.

 

[– This is a sponsored post on behalf of UXPin –]

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3 Things Every Engineer Should Know About Inclusive Design

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Fact: Over 26% of adults in the United States have some sort of disability. To ignore such a massive part of the population would be ill-advised for any company, legally, financially, and above all, ethically. How can you stay ahead of the curve when it comes to maintaining a progressive and responsive organization? 

We reached out to two experts – Alwar Pillai and Perry Trinier of Fable – on the topic of designing products that have inclusivity for people with disabilities at their core. Here are the 3 things they think every engineer, developer and product designer needs to know about inclusive design and how it will inevitably affect the future of their companies.

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Chaos Engineering – The Practice Behind Controlling Chaos

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Chaos Engineering might sound like a buzzword – but take it from someone who used to joke his job title was Chief Chaos Engineer (more on that later) it is much more than buzz or a passing fad – it’s a practice. 

The world can be a scary place and more and more companies are beginning to turn to Chaos Engineering to proactively poke and prod their systems and in doing so are improving their reliability and guarding against unexpected failures in production and unplanned downtime. 

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