[Udemy.com] Ubuntu Linux Server Troubleshooting [2015, ENG]

Содержание

Section 1: Introduction
Welcome
Before We Begin... - Text
Troubleshooting Basics: Your Most Powerful Tool
Take The First Step: Scenario 1
Scenario 2: No Internet
Scenario 3: Intermittent Loss of Power
Section 2: Generic Troubleshooting
Using 'dmesg' to read the kernel ring buffer
Reading common log files
Viewing Basic Hardware Information in Ubuntu Server
Section 3: Networking
Networking Basics
Releasing and Renewing a DHCP Lease
Static IP Configurations and Adapter Resets
WIreless Configurations
Verifying and Changing the Hostname (No Reboot Required!)
Calling Up the ARP (Address Resolution Protocol) Table
Using 'lshw' to View Network Adapter Information
Testing Download Speed with 'wget'
Testing Latency, Download, and Upload Speeds with 'speedtest-cli'
Section 4: Software Installation Errors
Errors Installing from Source Code
Using 'apt-get' and 'dpkg' to Fix Broken Packages
How to Completely Remove a Package (The Right Way!)
Additional Options in 'apt-get'
Section 5: Testing Additional Hardware Components
Motherboard Troubleshooting
Memtest86+ for Testing RAM
Using 'memtester' to Test RAM (No Reboot Required)
CPU Stress Testing with 'mprime'
Testing a PSU
Using 'fsck' to Check (and Repair!) Filesystem Errors
Checking the S.M.A.R.T. Status of HDDs in Ubuntu Server
Section 6: Questions & Answers
About This Section

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