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- Three surprising things you can do with systemd
- It's not just about making your computer boot up faster. When systemd first came out, there was a lot of news about how it could speed up boot times. This feature appeals to most people (less so to those who don't reboot), so in many ways, that's the reputation it still has today. While systemd does play a role in starting services in parallel during the startup process, it does much more than that. Here are three things you might not realize systemd can do, but you should take advantage of. 1. Simplify Linuxps If you have ever used ps, or even just the top command, then you know that your computer has hundreds of processes running at all times. sometimes it's you
- Safety . kubernetes 1257 2023-06-09 15:38:15
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- From a CTO perspective: How to build operation and maintenance/SRE capabilities
- Recently, there have been many articles discussing the issue of whether to retain or retain operation and maintenance positions. The SRETalk public account I hosted also posted the opinions of many operation and maintenance directors. I also personally communicated with many people in the industry and had some small ideas. , record it for reference by CTO/CIO. As an operation and maintenance/SRE, if you feel confused, I also recommend that you read this article carefully. I think this is an in-depth thinking, it may be boring, but it will be helpful for career choice and team building. This article welcomes well-founded discussions, but does not welcome arrogance. In addition, many things are not black and white. It is great if the content of the article can inspire you and bring new thinking to CXOs' decision-making. In addition, SRETalk’s interview with the Operations and Maintenance Director will continue, and there will be more
- Safety . kubernetes 914 2023-06-09 12:37:08
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- Container orchestration and automated operation and maintenance technology in Java
- With the widespread application of cloud computing and containerization technology, container orchestration and automated operation and maintenance technology play an important role in the field of software development and operation and maintenance. This article will focus on the related concepts, tools and applications of container orchestration and automated operation and maintenance technology in Java. 1. Container orchestration technology Container orchestration refers to the process of automatically managing and deploying container applications, which usually includes load balancing, automatic expansion, service discovery, security and high availability. In the Java ecosystem, there are many container orchestration tools to choose from. Here are some
- javaTutorial . kubernetes 845 2023-06-09 09:06:27
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- Flashcat Lai Wei: How to stabilize the job of operation and maintenance
- The first issue of the forum "Jingyuan - Operation and Maintenance Geometry" and Ma Chi's "It's time to lay off the operation and maintenance collective" some time ago have caused widespread discussion in the industry. There is really no future for operation and maintenance positions. Yet? How to keep your job steady? In this issue, we interviewed Lai Wei from Kuaimao Nebula. Lai Wei is an entrepreneur who breaks out of the operation and maintenance circle. Since he can start a business, he must have deep experience in the industry. How would he view this problem? Let's listen to a new sound together! This is the third issue of the down-to-earth and high-level "Operation and Maintenance Forum", starting now! Tell us about yourself and your current company? Hello everyone, I am Lai Wei from Kuaimao Nebula. Kuaimao Nebula is a cloud-native intelligent operation and maintenance technology company, composed of the core development team of the open source monitoring tool "Nightingale Monitor"
- Safety . kubernetes 1618 2023-06-08 18:42:26
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- Kali Linux 2023.2 released: PipeWire multimedia backend and Xfce desktop environment lead updates
- According to news on June 5, OffensiveSecurity today announced the launch of a new version of KaliLinux2023.2. This release brings many new features, updates, and tools, which is exciting news for hackers and security researchers. According to the editor's understanding, KaliLinux2023.2 was launched within two and a half months after the release of KaliLinux2023.1 to celebrate the 10th anniversary. This release introduces some important improvements, including PipeWire multimedia backend support for KaliLinux Ultimate. This flagship version uses the lightweight Xfce desktop environment and replaces PulseAudio to provide a better audio experience. K
- It Industry . kubernetes 839 2023-06-05 16:35:47
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- Container technology and microservice framework in Go language
- With the rapid development of cloud computing and container technology, microservice architecture has become one of the mainstream methods of modern application development. As a language with efficient development and excellent performance, Go language has been widely used in microservice architecture. In this article, we will explore container technology and microservices framework in Go language. 1. Docker, a commonly used container technology in Go language. Docker is one of the most popular container technologies currently. It provides a lightweight virtualization solution that allows developers to easily package applications.
- Golang . kubernetes 1374 2023-06-01 08:48:37
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- Sub-library, table and horizontal expansion in Go language
- With the continuous development of Internet applications and the increasing amount of data, the traditional single database and single table architecture can no longer meet the needs of large-scale applications. At the same time, the efficiency of data storage and processing has also become a bottleneck. Therefore, sharding databases, sharding tables and horizontal expansion have become the preferred solutions for many enterprises. In this trend, Go language has also become one of the popular solutions. 1. The definition of sub-database and sub-table. Sub-database and sub-table refers to splitting a database into multiple independent databases and creating the same table structure in different databases so that each database has
- Golang . kubernetes 2355 2023-06-01 08:01:57
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- How to deploy redis cluster in k8s
- redis cluster building 1.1 Use redis-cli to create a cluster #View the ipkubectlgetpod-njxbp-owide corresponding to the redis pod>NAMEREADYSTATUSRESARTSAGEIPNODENOMINATEDNODEREADINESSGATESredis-01/1Running018h10.168.235.196k8s-masterredis-11/1Running018h10.168.235.225k 8s-masterredis-21/1Running018h10.168 .
- Redis . kubernetes 1690 2023-05-31 17:25:39
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- How to use statefulset to build a MySQL cluster in kubernetes
- Implementation steps create a StatefulSet object in the Kubernetes cluster. Create a headlessservice to provide service discovery and load balancing for the StatefulSet. Define three MySQL containers in the StatefulSet and configure them in master-slave replication mode. Use KubernetesConfigMap and Secret to store the configuration information and authentication information of the container. Check whether the cluster is working properly. Specific code: First, create a namespace named mysql in the Kubernetes cluster: kubectlcreatenamespacemysql Then, create a ConfigM
- Mysql Tutorial . kubernetes 961 2023-05-27 21:10:27
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- How to install and use the Redis monitoring tool RedisInsight
- 1. Introduction to RedisInsight RedisInsight is an intuitive and efficient RedisGUI management tool. It can monitor the memory, connection number, hit rate and uptime of Redis, and can use the CLI to interact with connected Redis on the interface (RedisInsight has built-in Redis module support): Functions provided by the official portal RedisInsight: the only GUI tool that supports RedisCluster; can search keys, view and edit data based on the Browser interface; supports connections based on SSL/TLS, and can also perform operations on the interface Memory analysis; 2. RedisIn
- Redis . kubernetes 3633 2023-05-27 20:42:49
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- How to learn golang
- 1. Introduction Golang (or Go) is a programming language developed by Google. It is designed as a system programming language with efficient parallel processing and garbage collection functions. Since its first launch in 2009, Golang has been accepted and used by more and more programmers. Its efficient performance, simplicity and ease of learning, and improved development efficiency have attracted more and more programmers to turn to Golang. This article will explain in detail how to learn golang. 2. Preparation work Before learning golang, we need to make relevant preparation work first.
- Golang . kubernetes 658 2023-05-27 13:49:07
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- What are the implementation methods of containerized deployment technology in PHP7.0?
- With the development of cloud computing technology, more and more applications are beginning to adopt container deployment technology. As a commonly used web development language, PHP is also gradually transforming into containerized deployment technology. This article will introduce the implementation methods of containerized deployment technology in PHP7.0. DockerDocker is currently the most popular container deployment technology, which makes the way developers package, distribute and run applications more efficient and simpler. Docker enables developers to package applications and dependencies into a
- PHP7 . kubernetes 1278 2023-05-26 13:21:12
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- What are the implementation methods of containerized deployment in PHP7.0?
- What are the implementation methods of containerized deployment in PHP7.0? With the advent of the era of cloud computing and big data, container technology has gradually become popular. In the past, deploying PHP applications often required installing Apache, MySQL, and PHP on the server and then manually configuring them. However, this method is prone to problems such as version conflicts and incompatibility. Container technology simplifies application deployment and maintenance by isolating applications and environments, providing a more consistent operating environment. PHP7.0 is the latest version of PHP,
- PHP7 . kubernetes 1818 2023-05-26 08:11:05
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- How to troubleshoot Nginx service startup failure in Kubernetes
- ❌The pod node fails to start, the nginx service cannot be accessed normally, and the service status is displayed as ImagePullBackOff. [root@m1~]#kubectlgetpodsNAMEREADYSTATUSRESARTSAGEnginx-f89759699-cgjgp0/1ImagePullBackOff0103m View the Pod node details of the nginx service. [root@m1~]#kubectldescribepodnginx-f89759699-cgjgpName:nginx-f89759699-cgjgpNamespace
- Nginx . kubernetes 1042 2023-05-23 09:25:05
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- How to place golang
- With the development of artificial intelligence and cloud computing technology, programming languages are constantly updated. Among these languages, Golang is a programming language that has attracted much attention. It is open source, has high performance, concurrency and scalability, and is increasingly favored by developers. So, how to launch the Golang programming language? 1. Market demand for Golang When choosing a programming language, market demand is an essential factor. In the current IT industry, Golang has a wide range of applications, including: 1. Container: The core code of Docker is using Go
- Golang . kubernetes 475 2023-05-19 09:36:37
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