DevOps Troubleshooting: Linux Server Best Practices

Book Description

“If you’re a developer trying to figure out why your application is not responding at 3 am, you need this book! This is now my go-to book when diagnosing production issues. It has saved me hours in troubleshooting complicated operations problems.”

–Trotter Cashion, cofounder, Mashion

DevOps can help developers, QAs, and admins work together to solve Linux server problems far more rapidly, significantly improving IT performance, availability, and efficiency. To gain these benefits, however, team members need common troubleshooting skills and practices.

In DevOps Troubleshooting: Linux Server Best Practices, award-winning Linux expert Kyle Rankin brings together all the standardized, repeatable techniques your team needs to stop finger-pointing, collaborate effectively, and quickly solve virtually any Linux server problem. Rankin walks you through using DevOps techniques to troubleshoot everything from boot failures and corrupt disks to lost email and downed websites. You’ll master indispensable skills for diagnosing high-load systems and network problems in production environments.

Rankin shows how to

• Master DevOps’ approach to troubleshooting and proven Linux server problem-solving principles
• Diagnose slow servers and applications by identifying CPU, RAM, and Disk I/O bottlenecks
• Understand healthy boots, so you can identify failure points and fix them
• Solve full or corrupt disk issues that prevent disk writes
• Track down the sources of network problems
• Troubleshoot DNS, email, and other network services
• Isolate and diagnose Apache and Nginx Web server failures and slowdowns
• Solve problems with MySQL and Postgres database servers and queries
• Identify hardware failures–even notoriously elusive intermittent failures

Table of Contents

CHAPTER 1 Troubleshooting Best Practices
CHAPTER 2 Why Is the Server So Slow? Running Out of CPU, RAM, and Disk I/O
CHAPTER 3 Why Won’t the System Boot? Solving Boot Problems
CHAPTER 4 Why Can’t I Write to the Disk? Solving Full or Corrupt Disk Issues
CHAPTER 5 Is the Server Down? Tracking Down the Source of Network Problems
CHAPTER 6 Why Won’t the Hostnames Resolve? Solving DNS Server Issues
CHAPTER 7 Why Didn’t My Email Go Through? Tracing Email Problems
CHAPTER 8 Is the Website Down? Tracking Down Web Server Problems
CHAPTER 9 Why Is the Database Slow? Tracking Down Database Problems
CHAPTER 10 It’s the Hardware’s Fault! Diagnosing Common Hardware Problems

中文：

书名：DevOps Troubleshooting: Linux Server Best Practices

“如果你是一名开发人员，试图弄清楚为什么你的应用程序在凌晨3点没有响应，你需要这本书！这是我现在诊断生产问题时的首选书籍。它为我节省了几个小时来排除复杂的操作问题。

-没错我是说我又不是不知道。 Mashion联合创始人

DevOps可以帮助开发人员、QA和管理员协同工作，更快地解决Linux服务器问题，显著提高IT性能、可用性和效率。然而，要获得这些好处，团队成员需要共同的故障排除技能和实践。

在……里面 DevOps故障排除：Linux服务器最佳实践，获奖的Linux专家Kyle Rankin汇集了您的团队所需的所有标准化、可重复的技术，以停止相互指责、有效协作并快速解决几乎任何Linux服务器问题。Rankin向您介绍如何使用DevOps技术排除从启动故障、磁盘损坏到电子邮件丢失和网站瘫痪等各种故障。您将掌握在生产环境中诊断高负载系统和网络问题的必不可少的技能。

Rankin shows how to

• 大师级DevOps的故障排除方法和成熟的Linux服务器问题解决原则
• 通过识别CPU、RAM和磁盘I/O瓶颈来诊断运行缓慢的服务器和应用程序
• 了解健康的靴子，这样您就可以识别故障点并修复它们
• 解决阻止磁盘写入的磁盘已满或损坏问题
• 追踪网络问题的根源
• 对DNS、电子邮件和其他网络服务进行故障排除
• 隔离和诊断Apacheand Nginx Web服务器故障和速度减慢
• 解决MySQL和Postgres数据库服务器和查询的问题
• 识别硬件故障–甚至是出了名的难以捉摸的间歇性故障

目录表

CHAPTER 1 Troubleshooting Best Practices
第二章为什么服务器这么慢？CPU、RAM和磁盘I/O耗尽
第三章为什么系统无法引导？解决引导问题
第4章为什么我不能写入磁盘？解决磁盘已满或损坏的问题
第5章服务器是否已关闭？追查网络问题的根源
第6章为什么主机名不能解析？解决DNS服务器问题
第七章为什么我的电子邮件没有通过？跟踪电子邮件问题
第八章网站关机了吗？跟踪Web服务器问题
第9章为什么数据库速度很慢？跟踪数据库问题
CHAPTER 10 It’s the Hardware’s Fault! Diagnosing Common Hardware Problems