Table des matières
Version : 2022.01
Last update: 2022/03/09 18:43
LCE600 - CentOS 8 Linux (RHEL 8 / Oracle Linux 8) - Senior System Administrator
Presentation
Objectives: Master CentOS 8 / RHEL 8 / Oracle Linux 8 System Administration.
Who can benefit: Linux Administrators.
Prerequisites: Taken the LCE500 - CentOS 8 Linux (RHEL 8 / Oracle Linux 8) - System Administrator course or possess equivalent skills.
Learning technique: Clear, theoretical course content divided into lessons and extensive LABS.
Student Progression: Student progression is monitored in terms of comprehension using self-assessment tests.
Duration: 4 days (28 hours).
Prerequisites
Hardware
- A computer running either MacOS, Linux, Windows™ or Solaris™,
- QWERTY US Keyboard,
- 4 GB of RAM,
- Headphones,
- A mic (optional).
Software
- Chrome, Edge or Firefox web browser.
Internet
- A fast, direct (no proxy or VPN), Internet connection (4G minimum),
- Access to : https://itraining.network, https://ittraining.team and subdomains thereof.
- Accessible ports : 80, 443.
Training Program
- LCE601 - Managing Integrated Peripherals
- Special Files
- LAB #1 - Commands
- 1.1 - The lspci Command
- 1.2 - The lsusb Command
- 1.3 - The dmidecode Command
- LAB #2 - The sysctl Command
- 2.1 - The /proc Directory
- Files
- /proc/cpuinfo
- /proc/interrupts
- /proc/dma
- /proc/ioports
- /proc/devices
- /proc/module
- /proc/diskstats
- /proc/partitions
- /proc/swaps
- /proc/loadavg
- /proc/meminfo
- /proc/version
- Directories
- ide/scsi
- acpi
- bus
- net
- sys
- 2.2 - Using the sysctl Command
- LAB #3 - Interpreting Information in /proc
- 3.1 - free
- 3.2 - uptime ou w
- 3.3 - iostat
- 3.4 - hdparm
- 3.5 - vmstat
- 3.6 - mpstat
- 3.7 - sar
- USB Modules
- udev
- The udevadm Command
- The /sys Filesystem
- LAB #4 - Limiting Ressources
- 4.1 - ulimit
- 4.2 - CGroups
- Limiting Memeory Usage
- The cgcreate Command
- The cgdelete Command
- The /etc/cgconfig.conf File
- The cgconfigparser Command
- LCE602 - Compiling the Kernel and Managing Quotas
- The Linux Kernel
- LAB #1 - Modules
- LAB #2 - Compiling and Installing a Kernel and Modules
- 2.1 - Move /home
- 2.2 - Preparing the Environment
- 2.3 - Preparing the Kernel Source Tree
- The .config file
- The Makefile file
- 2.4 - Configuring the Kernel
- 2.5 - Compiling the Kernel
- 2.6 - Installing the Kernel
- LAB #3 - Managing Quotas
- 3.1 - The quotacheck Command
- 3.2 - The edquota Command
- 3.3 - The quotaon Command
- 3.4 - The repquota Command
- 3.5 - The quota Command
- 3.6 - The warnquota Command
- LCE603 - Managing the Network
- Presentation
- The nmcli Command
- LAB #1 - Configuring the Network
- 1.1 - Connections and Profils
- 1.2 - Name Resolution
- 1.3 - Adding a Second IP Address to a Profile
- 1.4 - The hostname Command
- 1.5 - The ip Command
- 1.6 - Manually Activating and Disactivating a Device
- 1.7 - Static Routing
- The ip Command
- Disactivating/Activating Internal Routing on a Server
- LAB #2 - Diagnostics
- 2.1 - The ping Command
- 2.2 - The netstat Command
- 2.3 - The traceroute Command
- LAB #3 - SSH
- 3.1 - Presentation
- SSH-1
- SSH-2
- 3.2 - Configuring the Server
- 3.3 - Configuring the Client
- 3.4 - SCP
- Presentation
- Usage
- 3.5 - Authentication with Asymetric Keys