Linux

 Linux Essential 

  • Introduction.
  • Evolution of Linux. 

Linux Installation 

  • First Stage: Starting the Installation. 
  • First Stage: Boot Media. 
  • Accessing the Installer. 
  • First Stage: Installation Method. 
  • Network Installation Server. 
  • Second Stage: Installation Overview. 
  • Configuring File Systems. 
  • Advanced Partitioning. 
  • Package Selection. 
  • First Boot: Post-Install Configuration. 
  • Starting a Kickstart Installation. 
  • Anatomy of a Kickstart File. 

Linux System Administration - Managing Startup 

Command line: 

  • Introduction to Bash Shell. 
  • Basic Commands (ls,cd,tail,cat,mkdir). 
  • Commands to work with file(mv,cp,rm). 
  • Text editor (vim). 
  • Stream text editor (grep, sed, and awk).
  • STDERR,STDOUT,STDIN. 
  • Compression Tar,gzip and bzip2. 
  • Easily accessible tools in linux. 

System Initialization: 

  • Boot Sequence Overview. 
  • Troubleshooting boot issues. 
  • What is GRUB and grub. conf. 
  • Starting the Boot Process: GRUB. 
  • Kernel Initialization. 
  • init Initialization (init 0,1,2,3,4,5).
  • Run Levels
  • /etc/rc.d/rc.sysinit
  • /etc/rc.d/rc
  • System V run levels
  • /etc/rc.d/rc.local
  • Controlling Services(service,init.d,chkconfig)

 

Booting and run levels: 

  • The boot process: from BIOS to kernel then to user space 
  • Setting kernel parameters 
  • Run levels and init scripts 
  • Configuring services to run at boot 
  • Securing single-user mode (su login) 
  • Shutting down and rebooting the system 

Package Management - Working with packages: 

  • RPM Package Manager 
  • Installing and Removing Software 
  • Updating a Kernel RPM 
  • rpm Queries 
  • rpm Verification 
  • About yum 
  • Using yum 
  • Searching packages/files 
  • Configuring Additional Repositories 
  • Creating a private repository 
  • Red Hat Network 
  • Red Hat Network Server 
  • Entitlements 
  • Red Hat Network Client 

Kernel Services - Configuring the kernel: 

  • The Linux Kernel 
  • Kernel Images and Variants 
  • Kernel Modules 
  • Kernel Module Utilities 
  • Managing the initrd Image 
  • Accessing Drivers Through /dev
  • Device Node Examples 
  • Managing /dev With udev 
  • Adding Files Under /dev 
  • Kernel Configuration With /proc 
  • /proc Examples 
  • sysctl : Persistent Kernel Configuration 
  • Exploring Hardware Devices (hwinfo) 
  • Monitoring Processes and Resources(kill,ps,pstree,top) 

System Services – Linux System Services: 

  • Network Time Protocol 
  • System Logging
  • syslog Configuration 
  • XOrg: The X11 Server 
  • XOrg Server Configuration 
  • XOrg in runlevel 3 
  • XOrg in runlevel 5 
  • Remote X Sessions 
  • SSH: Secure Shell 
  • VNC: Virtual Network Computing 
  • cron 
  • Controlling Access 

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