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LinuxCBT Ubu14x Edition

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LinuxCBT Ubu14x Edition

English | 2015 | mp4 | H264 1356x766 | AAC 2 ch | 16 hrs 3 min | 2.54 GB

eLearning

Course Objective

Features | Installation | Deployment
- Discuss important features | attributes
- Obtain platform images
- Provision GUESTs on Hypervisor
- Perform server installation
- Clone server install
- Effect changes to cloned instance
- Confirm functionality of GUESTs

Post-Installation Exploration
- Explain typical boot sequence
- Discuss System V Runlevels
- Peruse Upstart Environment
- Identify key steps
- Evaluate results

Basic Linux | Unix Commands
- ls, pwd, cd, cp, mv, rm, mkdir, rmdir, whoami
- alias, cat, file, chmod, chown, history, dd, blkid, lspci
- STDIN | STDOUT, UNIX Pipes, Redirection, Command Chaining
- ps, df, top, pagers
- head, tail, which, w, who, sudo, su, wall
- tar, gzip, bzip2

Common Tools | Files
- Discuss various relevant client utilities
- Networking: ping, netstat, mtr, telnet
- File Retrieval: Use WGET | Curl | LFTP to retrieve content
- Name Resolvers: host, nslookup, dig, /etc/hosts
- Checksum various content
- Explore Time Administration
- Replace 'ntpd' with 'chronyd'
- Discuss applicability

LSOF
- Use 'lsof' to expose file | socket usage
- Use lsof to identify various resources
- Discuss general usage | applicability

Secure Shell (SSH)
- Introduce default implementation
- Discuss TTY assignments
- Generate SSH PKI Usage Keys
- Migrate to PKI (Passwordless) AUTH
- Non-interactively transport content with SCP
- Interactively move content with SFTP
- Discuss enhanced 'root' configuration
- Ensure consistent PKI deployment

Screen | Perpetual TTYs
- Discuss caveats of default $SHELL access
- Spawn 'screen' instances
- Navigate 'screen' instances
- Detatch | Re-attach | Share 'screen' resources
- Spawn | Terminate 'screen' instances as desired

File Permissions | User Management
- Explain standard Linux (DAC) permissions
- Alter permissions as needed
- Test access to content
- Discuss Symbolic Links
- Implement Soft | Hard Links
- Examine behavior

User | Group Management
- Identify GUI | $SHELL User Management tools
- Explore: /etc/{passwd,shadow,group}
- Provision users | groups as needed
- Test functionality
- Modify accounts | groups as desired
- Confirm configuration
LinuxCBT Ubu14x Edition
Storage Management
- Explore current storage configuration
- Provision additional storage as needed
- Mount | Test | Committ to: /etc/fstab
- Identify current SWAP environment
- Allocate SWAP as needed
- Enable | Committ to: /etc/fstab
- Logical Volume Management (LVM)
- Identify default configuration
- Provision LVM-dedicated storage
- Configure: PVs | VGs | LVs
- Extend storage as needed
- Reduce VG as needed
- Evaluate results

Package Management
- Identify key 'dpkg' | 'apt-get' | 'aptitude' features
- Enumerate stock package-set
- Update current packages
- Install and confirm packages as desired

SYSLOG Configuration
- Explore default configuration
- Discuss Syslog Rules
- Except facilities from catchall: /var/log/syslog
- Explore key logs

Cron Scheduler
- Explore default configuration
- Discuss scheduling parameters
- Write simple $SHELL script
- Schedule execution via Cron
- Alter schedule as desired
- Confirm expected behavior

IP Administration
- Expose Installed configuration
- Identify available tools | configuration
- Create interface aliases (sub-interfaces)
- Test communications | Ensure persistence
- Add IP ROUTE to access remote subnet
- Test routing
- Confirm persistence

DNS | DHCPD Implementation
- Discuss features and benefits
- Implement DNS Caching-Only services
- Explore default configuration
- Resolve recursively as needed
- Setup Primary DNS zone
- Replicate to Secondary DNS server
- Alter zone | Test replication
- Implement DHCP Server
- Dedicate VLAN | Test address assignment

Apache HTTPD Server
- Identify key Apache features
- Explore default environment
- Examine Apache logs configuration
- Provision IP-based Virtual Hosts
- Provision Name-based Virtual Hosts
- Ensure distinct logs
- Test Virtual Host connectivity
- Implement Apache SSL

Apache SSL Configuration
- Identify key Files and Tools
- Invoke default SSL configuration and evaluate
- Generate certificates for default instance
- Generate certs for virtual hosts and apply
- Test secure connectivity

Network Reconnaissance
- Install NMap
- Explore footprint
- Perform local reconnaissance
- Quickly identify available subnet-based nodes
- Comprehensive scan of select targets
- Examine log and identify weakspots
- Evaluate results

Packet Capturing
- Explore 'tcpdump' basics
- Capture wide variety of packets
- Use BPFs to reduce captured data
- Replay captures with 'tcpdump'
- Parse with BPFs as desired
- Parse captures with WireShark

Rescue /boot
- Unable to update key packages
- Kernel | INITRD | etc.
- Provision new Block Storage
- Enter Single-User Mode
- Synch /boot content
- Confirm all is well

LinuxCBT Ubu14x Edition

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