LinuxCBT CentOS7x Edition

English | 2015 | mp4 | H264 1356x764 | AAC 2 ch | 16 hrs 16 min | 2.12 GB

eLearning

Course Objective

OS Installation

- Highlight key CentOS features

- Confirm installation images

- Install CentOS Desktop

- Provision CentOS Server

- Install CentOS Server with GUI

- Carry-out Kickstart installation

- Clone VMWare instances

- Confirm node accessibility

systemd System | Service Management

- Discuss key features

- Alter system state and evaluate

- Identify managed objects

- Manage services

- Explore systemd LOG data

$SHELL Basics | Commands

- ls, pwd, cd, cp, mv, rm, mkdir, rmdir, whoami

- alias, cat, file, chmod, chown, history

- STD(IN|OUT), Pipes, Redirection, Command Chaining

- ps, df, top, free, /proc, /boot

- less & more, head & tail, find, which & whereis, w, who

- Compression | Archival Tools

- Checksums

- Awk | Sed | Grep Usage

- User | Group Management

File System Permissions | Ownership

- Identify common file types

- Identify default permissions applied to objects

- Alter permissions | ownership on various objects and evaluate

- SETUID | SETGID | Sticky Bit

- Study SYMLINK behavior

Storage Management

- Identify SWAP environment

- Provision dedicated SWAP partitions | Add to Pool

- Add | Remove SWAP from pool as needed

- Provision File System-based SWAP

- Identify default storage configuration

- Provision new storage as needed

- Identify LVM defaults

- Add new partitions to LVM management

- Allocate storage to LVM Volume Groups

- Create Logical Volumes (LVs) as needed

- Overlay File System and mount where applicables

System Scheduler

- Discuss features | limitations

- Identify default system-wide schedule

- Peruse various default Cron Jobs

- Schedule simple job and monitor recurrence

- Evaluate results

SYSLOG | Log Rotation

- Peruse default syslog configuration

- Discuss syslog rules mechanism

- Trap externally-generated log data

- Explore Log Rotate defaults

- Ensure rotated logs are compressed

- Extend default retention scheme

- Force Log Rotation as needed

Common Network Utilities

- Identify important basic utilities

- 'ping', 'traceroute', 'tracepath', 'mtr', 'telnet', 'netstat'

- Use commands to obtain basic details from targets

- Contrast similar tools

Package Management

- Explore default environment

- Search for packages of interest and install

- Dump important metadata from packages

- Update YUM repository as needed

- Setup internal YUM repo for expedited delivery

- Apply updates as available

IP Administration

Identify default configuration

Add IPs as needed

Ensure IP persistence across resets

Make nodes multi-homed and assign IPs as needed

Contrast various interface management schemes

DNS Services

- Install BIND

- Confirm Caching-Only upstream queries

- Define Primary zone

- Confirm resolution of records

- Replicate Primary zone to slave nodes

- Confirm resolution of changes on ALL nodes

- Provision additional internal zone for management

Apache HTTPD | Web Services

- Identify key Apache features

- Explore default environment

- Peruse Apache LOG format

- Provision IP-based Virtual Hosts

- Provision Name-based Virtual Hosts

- Contrast Virtual Hosts methods

- Dedicate LOGs to Virtual Hosts

- Evaluate VHost environment

MariaDB Introducation | Usage

- Install MariaDB

- Identify key binaries | files

- Secure installation

- Connect and execute queries

Security

- Identify key Tools

- Configure Passwordless AUTH across systems

- Use: SSH | SCP | SFTP to communicate securely

- Configure PuTTy SSH with Passwordless AUTH method

- Use NMap to gather information from network

- Sniff network traffic with TCPDump

- Evaluate TCPDump data with TCPDump and WireShark