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  1. #1

    Want to learn system administrator - Linux - Centos

    I want to learn system administrator - Linux - Centos

    Where do i start ?


  2. #2
    If you know nothing about it, I would say to start from playing with it, can install a few distros on virtual machines and playing with it. you can also start to read a book and search commands on the internet.
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  3. #3
    Join Date
    Aug 2013
    Quote Originally Posted by Hannan View Post
    If you know nothing about it, I would say to start from playing with it, can install a few distros on virtual machines and playing with it. you can also start to read a book and search commands on the internet.
    This. That's exactly how my Linux addiction started. I remember installing, crashing and reinstalling countless distros. Experimentation and lots of reading has helped me a lot to learn about it.

  4. #4
    Join Date
    Jul 2013
    You can contact me and i will sent you few books to learn more about hosting and servers

  5. #5
    That's interesting! May i contact you also ?

  6. #6
    If you have no idea about Linux, start reading this PDF it's a good start. But it's just a start.

  7. #7
    Join Date
    Dec 2005
    Install it many times, try things, break things, fix things and try building your own distro. That's if you really want to get your hands dirty

  8. #8
    Join Date
    Jul 2013
    Quote Originally Posted by PascM View Post
    That's interesting! May i contact you also ?
    Yes,you can.Send me your email address over PM

  9. #9
    Thanks! PM sent

  10. #10
    Join Date
    Jul 2013
    Book links was sent to you PascM

  11. #11

  12. #12
    Join Date
    Feb 2005
    United Kingdom
    I recommend to read the following website:
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  13. #13
    Wondering if this is still active and if I could possibly PM Fire7 to receive a copy of the recommended book list please.

    Many thanks in advance and here's hoping!

  14. #14
    Join Date
    Feb 2014


    this is also for beginners:
    it is about debian VPS and update, installing webmin, changing port, some terminal commands, and so on. I see some places are converted to dot and it should be this sign: ' or --
    for example: dpkg .install webmin_1.660_all.deb
    it should be: dpkg --install webmin_1.660_all.deb

  15. #15
    Thanks guys

  16. #16
    I never referred any books. Just do it yourself and see. That's the best always.

  17. #17

  18. #18
    How I would say to get started is by getting on the server and try to install a program and run it and when I got stuck i would look at the tutorials and it would teach you what your doing and the basic commands of navigating the OS

  19. #19
    Join Date
    May 2008
    Cusco Perú
    Want to learn Centos, then researches and practice, practice, practice and practice again at the end.

    Investigate the following:

    CentOS Hardware Discovery, Interaction, and Control
    Hardware Discovery Tools
    Configuring New Hardware with hwinfo
    Hardware and System Clock
    Virtual Terminals
    Serial Ports
    SCSI Devices
    USB Devices
    USB Configuration
    Common UNIX Printing System
    Defining a Printer
    Managing Optical Media
    Tape Drives
    Tape Libraries
    Managing CentOS Device Files
    Kernel Hardware Info - /sys/
    /sys/ Structure
    Kernel Modules
    Configuring Kernel Components and Modules
    Handling Module Dependencies
    Configuring the Kernel via /proc/
    Lab: Adjusting Kernel Options
    Lab: Configuring Print Queues
    Lab: Introduction to Troubleshooting Labs
    Lab: Troubleshooting Practice: Kernel Modules
    Boot Process and SysV Init
    Booting CentOS on PCs
    GRUB Configuration
    Boot Parameters
    Initial ramdisk
    System Init Styles
    CentOS Runlevels
    Runlevel Implementation
    System Configuration Files
    Configuration Utilities
    Novell's Configuration Utilities
    Typical SysV Init Script
    The /etc/rc.local File
    The /etc/init.d/*.local Files
    Managing Daemons
    Controlling Service Startup
    Shutdown and Reboot
    Lab: Boot Process
    Lab: GRUB Command Line
    Lab: Basic GRUB Security
    Lab: Managing Services With chkconfig
    Lab: Troubleshooting Practice: Boot Process
    Software Maintenance
    Managing Software
    RPM Features
    RPM Architecture
    RPM Package Files
    Working With RPMs
    Querying and Verifying with rpm
    Updating the Kernel RPM
    Managing Software Dependencies
    Using the YUM command
    Using the Zypper command
    YUM package groups
    Zypper Services and Catalogs
    Dealing With RPM & YUM Digest Changes
    Configuring YUM
    Yum Plugins
    YUM Repositories
    Compiling/Installing from Source
    Manually Installed Shared Libraries
    Installing Source RPM Packages
    Lab: Managing Software with RPM
    Lab: Creating a Custom RPM Repository
    Lab: Querying the RPM Database
    Lab: Installing Software via RPM & Source and Rebuilding SRPMs
    Lab: Managing YUM Repositories
    Lab: Managing Zypper Repositories
    Lab: Using YUM
    Lab: Using Zypper
    Filesystem Administration
    Partitioning Disks with fdisk
    Partitioning Disks with parted
    Filesystem Creation
    Mounting Filesystems
    Filesystem Maintenance
    Persistent Block Devices
    Resizing Filesystems
    Two Types of Disk Space
    Determining Disk Usage With df and du
    Configuring Disk Quotas
    Setting Quotas
    Viewing and Monitoring Quotas
    Filesystem Attributes
    Backup Software
    Backup Examples
    Lab: Creating and Managing Filesystems
    Lab: Hot Adding Swap
    Lab: Setting User Quotas
    Lab: Using tar and cpio for Backups
    Lab: Using rsync and ssh for Backups
    Lab: Using dump and restore for Backups
    Lab: Creating ISO Images for Backups
    LVM & RAID
    Logical Volume Management
    Implementing LVM
    Creating Logical Volumes
    Manipulating VGs & LVs
    Advanced LVM Concepts
    SLES Graphical Disk Tool
    RAID Concepts
    Array Creation with mdadm
    Software RAID Monitoring
    Software RAID Control and Display
    Lab: Creating and Managing LVM Volumes
    Lab: Creating and Managing a RAID-5 Array
    Remote Storage Administration
    Remote Storage Overview
    Remote Filesystem Protocols
    Remote Block Device Protocols
    File Sharing via NFS
    NFS Clients
    NFS Server Configuration
    Implementing NFSv4
    AutoFS Configuration
    Accessing Windows/Samba Shares from CentOS
    SAN Multipathing
    Multipath Configuration
    Multipathing Best Practices
    iSCSI Architecture
    Open-iSCSI Initiator Implementation
    iSCSI Initiator Discovery
    iSCSI Initiator Node Administration
    Mounting iSCSI Targets at Boot
    iSCSI Multipathing Considerations
    Lab: Using autofs
    Lab: NFS Server Configuration
    Lab: iSCSI Initiator Configuration
    User/Group Administration
    User and Group Concepts
    User Administration
    Modifying Accounts
    Group Administration
    Password Aging
    Default User Files
    Controlling Logins
    Manual DS Client Configuration
    SLES Graphical DS Client Configuration
    System Security Services Daemon (SSSD)
    Lab: User and Group Administration
    Lab: Using LDAP for Centralized User Accounts
    Lab: Troubleshooting Practice: Account Management
    Lab: Using NIS for Centralized User Accounts
    Pluggable Authentication Modules (PAM)
    PAM Overview
    PAM Module Types
    PAM Order of Processing
    PAM Control Statements
    PAM Modules
    Lab: Restricting superuser access to wheel group membership
    Lab: Using pam_nologin to Restrict Logins
    Lab: Setting Limits with the pam_limits Modules
    Lab: Using pam_limits to Restrict Simultaneous Logins
    Security Administration
    Security Concepts
    Tightening Default Security
    Security Checker
    Security Advisories
    File Access Control Lists
    Manipulating FACLs
    Viewing FACLs
    Backing Up FACLs
    File Creation Permissions with umask
    User Private Group Scheme
    Alternatives to UPG
    CentOS Security Framework
    CentOS Modes
    CentOS Commands
    Choosing an CentOS Policy
    CentOS Booleans
    Permissive Domains
    Graphical CentOS Policy Tools
    Lab: User Private Groups
    Lab: Using Filesystem ACLs
    Lab: Exploring CentOS Modes
    Lab: CentOS File Contexts
    Process Administration
    Automating Tasks
    The crontab Command
    crontab Format
    /etc/cron.*/ Directories
    Viewing Processes
    Managing Processes
    Tuning Process Scheduling
    Process Accounting
    Enabling Process Accounting
    Setting Resource Limits via ulimit
    Lab: Creating and Managing User Cron Jobs
    Lab: Adding System cron Jobs
    Lab: Using BSD Process Accounting
    Basic Networking
    IPv4 Fundamentals
    TCP/UDP Fundamentals
    CentOS Network Interfaces
    Ethernet Hardware Tools
    Network Configuration with ip Command
    Configuring Routing Tables
    IP to MAC Address Mapping with ARP
    Starting and Stopping Interfaces
    DNS Clients
    DHCP Clients
    YaST Network Configuration Tool
    Network Diagnostics
    Information from netstat
    Managing Network-Wide Time
    Continual Time Sync with NTP
    Configuring NTP Clients
    Useful NTP Commands
    Lab: Network Discovery
    Lab: NTP Client Configuration
    Advanced Networking
    Multiple IP Addresses
    Configuring a DHCP server
    Enabling IPv6
    Interface Bonding
    Interface Bridging
    802.1q VLANS
    Tuning Kernel Network Settings
    Lab: Multiple IP Addresses Per Network Interface
    Lab: Configuring IPv6
    Lab: Troubleshooting Practice: Networking
    The X Window System
    The X Window System
    X Modularity
    X.Org Drivers
    Configuring X Manually
    Automatic X Configuration
    Automatic X Configuration - SLES
    Xorg and Fonts
    The X Font Server
    Installing Fonts for Modern Applications
    Installing Fonts for Legacy Applications
    The X11 Protocol and Display Names
    Display Managers and Graphical Login
    Starting X Apps Automatically
    X Access Control
    Remote X Access (historical/insecure approach)
    Remote X Access (modern/secure approach)
    Remote Graphical Access With VNC and RDP
    Specialized X Servers
    Lab: Remote X with XDMCP
    Lab: Configure X Security
    Lab: Configure a VNC Server
    Lab: Configure a VNC Server
    Lab: Launching X Apps Automatically
    Lab: Secure X
    Lab: Troubleshooting Practice: X11
    Log File Administration
    System Logging
    Log Management
    Log Anomaly Detector
    Lab: Setting up a Full Debug Logfile
    Lab: Remote Syslog Configuration
    Monitoring & Troubleshooting
    System Status - Memory
    System Status - I/O
    System Status - CPU
    Performance Trending with sar
    Troubleshooting Basics: The Process
    Troubleshooting Basics: The Tools
    strace and ltrace
    Common Problems
    Incorrect File Permissions
    Inability to Boot
    Typos in Configuration Files
    Corrupt Filesystems
    Rescue Environment
    Lab: Recovering Damaged MBR
    Pre-Installation Considerations
    Pre-Installation Considerations
    Hardware Compatibility
    Multi-OS Booting
    Partition Considerations
    Filesystem Planning
    Selecting a Filesystem
    Installing CentOS
    Anaconda: An Overview
    Anaconda: Booting the System
    Anaconda: Common Boot Options
    Anaconda: Loading Anaconda and Packages
    Anaconda: Storage Options
    Anaconda: Troubleshooting
    A Typical Install
    Lab: CentOS Installation
    Lab: Automating Installation with Kickstart
    Installing SLES11
    Installation Choices
    DVD-ROM Install Media
    Network Installation
    SLP for CentOS Installation
    Local Hard Drive Installation
    Install Program Interface
    Installation Diagnostics
    Language/Keyboard Selection and EULA
    Installation Mode
    Clock and Time Zone
    Desktop Selection
    Server Base Scenario
    The YaST Installer Design
    Disk Partitioning
    Boot Loader Configuration
    Software Package Selection
    Kernel Crash Dump Configuration
    Confirmation and File Installation
    Setting the Root Password
    Hostname and Domain Name
    Network Configuration
    SLES Services Configuration
    Adding a User Account
    Release Notes
    Final Installation Hub
    Installation Complete and AutoYaST2
    Using AutoYaST2 files
    Creating AutoYaST2 Files
    linuxrc Automation
    Lab: Installation
    Lab: Automating Installation with AutoYaST
    Appendix A: Xen Virtualization
    Virtualization: What and Why?
    What is Xen?
    Xen Architecture
    Xen Deployment Options and Considerations
    Xen Networking
    Live Migration of Xen Virtual Servers
    xend Configuration
    Guest Config Files
    The xm Command
    Common xm Usage
    Xen Configuration Tools
    Lab: Installing a Xen VM
    Lab: Creating a Bootstrapped Xen Guest
    Appendix B. CentOS Kernel Compilation
    Why Compile?
    Getting Kernel Source
    Preparing to Compile
    Configuring Kernel Compilation Options
    Available Kernel Compile Options
    Compiling the Kernel
    Install Compiled Kernel Modules
    Installing the Kernel
    Tips and Tricks
    Lab: CentOS Kernel 2.6 Driver Compilation
    CentOS Kernel 2.6 Compilation

    Use other search engines.

  20. #20
    Read the book: Unix and Linux System Administration Handbook Fourth Edition by Nemeth, Snyder, Hein, and Whayley.

  21. #21
    great book is A Linux server administration tutorial for beginners by Peter Dalmaris

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