LinuxCBT CentOS 7
English | Size: 2.12 GB (2,277,122,703 Bytes)
Category: CBTs
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
Duration: 16 Hours
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
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