Time server -NTP
The clock recorded inside the computer is recorded in the BIOS(CMOS), but if the CMOS battery above the computer is out of power, or some...
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Tag: operations
Delete database running and extortion, Redis extortion incident broke out
January 30, 2024
by James Brown
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From 15:06 PM on September 10, Ali Cloud officially discovered a large-scale cryptocurrency extortion event using unauthorized access vulnerability of Redis for the first time....
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Making containers run faster: THE CPU Burst Technology Practice
January 30, 2024
by Mandy Gray-Dunn
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Summary: Annoying CPU limiting affects container performance, and sometimes one has to sacrifice container deployment density to avoid CPU limiting. We designed the CPU Burst...
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Query records about the server CPU overload
January 30, 2024
by Tiya Wali
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So we started logging on to the server in question and checking the logs and monitoring to see what the problem was. Before and after...
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This section describes the application scenarios and basic principles of RabbitMQ
January 30, 2024
by Jessica Gibson
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RabbitMQ is an open source implementation of AMQP(Advanved Message Queue) developed by Erlang.
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Is the server sick? Those performance parameters of the Linux server
January 30, 2024
by Glenn Dorsey
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When a server based on Linux operating system runs, it will also represent various parameter information. Operations and system administrators are usually very sensitive to...
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Top 10 Cloud outages of 2018: None of the mainstream public Clouds survived!
January 30, 2024
by Paula Eglinton
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In 2018, the public cloud service model has become more mature, and the scale of cloud computing market has also been expanding, but the failure...
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The technical architecture selection of log analysis system under the number of billions
January 29, 2024
by 金淑貞
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In a big data team, the core concern of the big data architect is the selection of technical architecture. What are the factors that affect...
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Lightweight CI/CD tool – Solo CI
January 29, 2024
by Jeremy Acevedo
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Lightweight CI/CD tool implemented with Golang with a smaller footprint than Jenkins
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Logstash Read Kafka data write HDFS
January 29, 2024
by Douglas Perez
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ELK uses logstash to write kafka data to ElasticSearch cluster. ELK uses logstash to write Kafka data to ElasticSearch cluster. ELK uses logStash to write...
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To the DBA: transfer this to your developer, docking work no longer vomits blood
January 29, 2024
by Kathleen Malone
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This article mainly summarizes the work of some common operations and unreasonable operations, in the slow query optimization to collect some useful information and information,...
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Project deployment
January 29, 2024
by Denise Smith-Lewis
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Linux deployment node installation address CD /usr/local/2.1 Install node Download Decompress delete Configuration environment variables Soft connection Environment Path Point to mysql Settings Enable startup...
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Reveal Tencent code management core – Worker bee Git system architecture
January 29, 2024
by Jeanette Holden
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Recently, the 2018 DevOps China Salon was held at Tencent Tower in Shenzhen. The salon invited a number of guests to share their DevOps practices...
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Kubernetes- Storage Volume Volume
January 29, 2024
by Seher Bhandari
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Because the container itself is nonpersistent, you need to address some of the problems you encounter running applications in a container. First, when the container...
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Hujiang’s evolution from DNS to HTTPDNS
January 29, 2024
by Yakshit Saha
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On July 22, 2017, Hujiang operations engineer Zhou Feng gave a speech on the evolution of HUjiang DNS to HTTPDNS at the "Elme Technical Salon...
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Main points: ANALYSIS of TCP connections and common attack methods
January 29, 2024
by Donald Coleman
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TCP is a reliable and connection-oriented byte stream communication protocol. Data verification: TCP uses checksum, confirmation, and retransmission mechanisms to ensure reliable transmission. Data sequentiality:...
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Centos7 deploys Python, Mysql, Redis, and Java
January 29, 2024
by Jeffery Chavez
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Since python3 is not readily available in the YUM source, you must manually compile and install it yourself. This tutorial can be downloaded via wget,...
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7 features that make Kubernetes a better CI/CD tool
January 29, 2024
by Amani Chander
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Kubernetes focuses on continuous delivery and operation friendly. DevOps engineers can focus more on K8s integration with external CI tools when designing CI Pipeline processes....
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Upgrade k8S cluster Docker and Containerd versions in place
January 29, 2024
by 李家瑋
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K8s cluster is a "multi-environment in one" approach, the cluster traffic entrance also abandoned the common traefik and Ingress-nginx, directly use a less common in...
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Traffic steering: Load balancing decryption of the network world
January 29, 2024
by Nathan Francis
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Large multi-site Internet systems, including content delivery networks (CDNS) and cloud service providers, use several methods to balance incoming traffic. In this article we will...
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SpringSession series – Distributed session implementation scheme and SpringSession function analysis
January 29, 2024
by Kimberly Frazier
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Last article SpringSession: Integrating SpringBoot introduced how to integrate SpringSession in SpringBoot, the whole process is very simple, but also a simple analysis of the...
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GRPC service discovery & load balancing
January 29, 2024
by Prerak Ghosh
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High availability and high performance communication services are usually implemented by service registration and discovery, load balancing and fault tolerance. Centralized LB (Proxy Model) There...
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Zabbix configuration actions perform remote commands and send mail
January 29, 2024
by Ricky Kerr-Fletcher
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When zabbix has an event, we can execute the corresponding action according to the event. According to the source of the event, it can be...
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Practical considerations of AIOps: How can AIOps be combined with APM?
January 29, 2024
by Nitya Raval
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On April 13, 2018, the white paper "Enterprise-level AIOps Practice Suggestions", in which BATJ, 360, Huawei, Cloud Intelligence and many other Internet companies participated in...
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Meizu big data operation and maintenance platform practice
January 29, 2024
by Dale Cooke-Bishop
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At the end of 2013, we began to practice big data and deployed a test cluster. At that time, there were only three nodes, because...
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Change the configuration of nginx so that acme.sh can automatically issue SSL certificates for free even in the case of reverse proxy
January 29, 2024
by Robert Cole
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Location ^~/. Well-known /acme-challenge/, acme uses this directory for authentication.
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Learn one Linux command every day (111) : mpstat
January 29, 2024
by Renee Nicholas
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The mpstat (multi-processor Statistics) command is used to display Statistics on available cpus. Vmstat is a real-time monitoring tool that is similar to VMstat but...
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Install the Supervisor on the CentOS
January 29, 2024
by Divit Rattan
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Install or create a Supervisor configuration file. Run the echo_supervisord_conf command to generate a configuration file template for the superviso
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Learn one Linux command per day (109) : iostat
January 29, 2024
by Kate Flood
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The iostat command is used to collect statistics on system I/O status. Syntax Format Option Description Application Example Viewing THE I/O status of a specified...
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Learn a Linux command every day (93) : exec
January 28, 2024
by Alex Hall
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The exec command is used to invoke and execute specified commands. The exec command is usually used in Shell scripts to invoke other commands. If...
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