book

Learning Modern Linux

by Michael Hausenblas

April 2022

Beginner

260 pages

5h 54m

English

O'Reilly Media, Inc.

Book available

Read now

Unlock full access

About YouHow to Use the BookConventionsUsing Code ExamplesO’Reilly Online LearningHow to Contact UsAcknowledgments
What Are Modern Environments?The Linux Story (So Far)Why an Operating System at All?Linux DistributionsResource VisibilityA Ten-Thousand-Foot View of LinuxConclusion
Linux ArchitectureCPU Architecturesx86 ArchitectureARM ArchitectureRISC-V ArchitectureKernel ComponentsProcess ManagementMemory ManagementNetworkingFilesystemsDevice DriverssyscallsKernel ExtensionsModulesA Modern Way to Extend the Kernel: eBPFConclusion
BasicsTerminalsShellsModern CommandsCommon TasksHuman-Friendly ShellsFish ShellZ-shellOther Modern ShellsWhich Shell Should I Use?Terminal MultiplexerscreentmuxOther MultiplexersWhich Multiplexer Should I Use?ScriptingScripting BasicsWriting Portable bash ScriptsLinting and Testing ScriptsEnd-to-End Example: GitHub User Info ScriptConclusion
BasicsResources and OwnershipSandboxingTypes of Access ControlUsersManaging Users LocallyCentralized User ManagementPermissionsFile PermissionsProcess PermissionsAdvanced Permission ManagementCapabilitiesseccomp ProfilesAccess Control ListsGood PracticesConclusion
BasicsThe Virtual File SystemLogical Volume ManagerFilesystem OperationsCommon Filesystem LayoutsPseudo FilesystemsprocfssysfsdevfsRegular FilesCommon FilesystemsIn-Memory FilesystemsCopy-on-Write FilesystemsConclusion
BasicsThe Linux Startup ProcesssystemdUnitsManagement with systemctlMonitoring with journalctlExample: scheduling greeterLinux Application Supply ChainsPackages and Package ManagersRPM Package ManagerDebian debLanguage-Specific Package ManagersContainersLinux NamespacesLinux cgroupsCopy-on-Write FilesystemsDockerOther Container ToolingModern Package ManagersConclusion
BasicsThe TCP/IP StackThe Link LayerThe Internet LayerThe Transport LayerSocketsDNSDNS RecordsDNS LookupsApplication Layer NetworkingThe WebSecure ShellFile TransferNetwork File SystemSharing with WindowsAdvanced Network TopicswhoisDynamic Host Configuration ProtocolNetwork Time ProtocolWireshark and tsharkOther Advanced ToolingConclusion
BasicsObservability StrategyTerminologySignal TypesLoggingSyslogjournalctlMonitoringDevice I/O and Network InterfacesIntegrated Performance MonitorsInstrumentationAdvanced ObservabilityTracing and ProfilingPrometheus and GrafanaConclusion
Interprocess CommunicationSignalsNamed PipesUNIX Domain SocketsVirtual MachinesKernel-Based Virtual MachineFirecrackerModern Linux DistrosRed Hat Enterprise Linux CoreOSFlatcar Container LinuxBottlerocketRancherOSSelected Security TopicsKerberosPluggable Authentication ModulesOther Modern and Future OfferingsNixOSLinux on the DesktopLinux on Embedded SystemsLinux in Cloud IDEConclusion

Gathering System InformationWorking with Users and ProcessesGathering File InformationWorking with Files and DirectoriesWorking with Redirection and PipesWorking with Time and DatesWorking with GitSystem Performance

Content preview from Learning Modern Linux

About the Author

Michael Hausenblas is a solution engineering lead on the Amazon Web Services (AWS) open source observability service team. His background is in data engineering and container orchestration, from Mesos to Kubernetes. Michael is experienced in advocacy and standardization at W3C and IETF and writes code these days mainly in Go. Before Amazon, he worked at Red Hat, Mesosphere (now D2iQ), and MapR (now part of HPE) and spent a decade in applied research.