E-Whisper

Set up an integrated development environment on a cloud server

Set up an integrated development environment on a cloud server

Cloud server initialization operations, including: reinstalling the system; Configuration monitoring; Security reinforcement; Update the software; Install git and install oh-my-zsh

2019-03-27

DevOps

#Docker #Python #Cloud #pipenv

Tencent Cloud Server Initialization

Tencent Cloud Server Initialization

Tencent Cloud server initialization, including: OS reinstallation, monitoring configuration, security hardening, software updates, Git installation, and oh-my-zsh setup

2019-03-26

DevOps

#Monitoring #Security #Observability #Git #Centos #Cloud #TencentCloud #Alerting #SSH Key #shell

Notes - a mobile SRE operation and maintenance system exchange

Notes - a mobile SRE operation and maintenance system exchange

In 2019, a mobile company shared a note on the transition from a traditional silo IT architecture to an SRE O&M system.

2019-02-27

DevOps

#DevOps #SRE #Organization

Case 3: Analysis of memory overflow in Perm area at runtime of a property and casualty insurance company

Case 3: Analysis of memory overflow in Perm area at runtime of a property and casualty insurance company

The customer noticed a sudden memory spike in Jboss and a significant increase in the JVM's GC time. Checking Dynatrace, it was found that the node had already experienced a memory overflow in the Per

2017-11-02

Java

#Java #JVM #Analysis #OOM

Case 2: Analysis of GC overhead overrun problem in the core system of a life insurance company

Case 2: Analysis of GC overhead overrun problem in the core system of a life insurance company

Alerts are about GC having a large impact on system performance (i.e. the GC overhead of the JVM exceeds the limit) and locate the root cause of the system problem: One is to load a javamelody jar pac

2017-10-31

Java

#Java #JVM #Analysis #OOM

Case 1: A memory leak in a property insurance underwriting system

Case 1: A memory leak in a property insurance underwriting system

Dynatrace analyzes a memory leak in a property insurance underwriting system

2017-10-30

Java

#Java #JVM #Analysis #OOM

The impact of Apple's ATS compliance on web servers

The impact of Apple's ATS compliance on web servers

The Impact of Apple ATS Compliance on Web Servers. To ensure compliance, Apache httpd, NGINX and WebLogic should be configured

2017-03-30

DevOps

#Nginx #Security #Openssl #ssl #https #Apple