{"id":687,"date":"2015-10-20T12:18:03","date_gmt":"2015-10-20T12:18:03","guid":{"rendered":"http:\/\/www.quartzbd.com\/?post_type=product&p=687"},"modified":"2026-05-23T00:46:31","modified_gmt":"2026-05-23T00:46:31","slug":"linuxcbt-el-7x-edition","status":"publish","type":"product","link":"http:\/\/www.quartzbd.com\/?product=linuxcbt-el-7x-edition","title":{"rendered":"LinuxCBT EL-7x Edition"},"content":{"rendered":"
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LinuxCBT EL-7x Edition <\/b>English<\/div>\n

Course Objective<\/b><\/p>\n

Features | Installations<\/b>
\n– Discuss features of RedHat\u00ae | CentOS Enterprise Linux 7
\n– Explore installation options
\n– Perform GUI installation
\n– Perform Text-Mode Installation
\n– Provision Network Installation repository
\n– Perform Network Installation
\n– Perform Kickstart Installation
\n– Peruse Rescue Mode<\/p>\n

Basic $SHELL Tools<\/b>
\n– ‘pwd’, ‘touch’, ‘stat’, ‘ls’, ‘id’
\n– ‘echo’, ‘cat’, ‘head’, ‘tail’, ‘more’, ‘less’
\n– ‘cp’, ‘mv’ – transport content as needed
\n– ‘tty’ – Discuss terminals
\n– ‘tar’ – explore features and advantages of tarballs
\n– ‘gzip’, ‘bzip2’, ‘zip’ – Compress content
\n– Use checksums to validate data pre|post-transmissions
\n– ‘file’ – discuss logic used to ascertain file type
\n– ‘dd’ – generate content as desired
\n– Use ‘w’ commands
\n– ‘ps’ – explore process lists
\n– free & top – explore process management with top
\n– Process lines with: ‘grep’
\n– Process fields with: ‘awk’
\n– Explore ‘sed’ – streams processing
\n– User and group management concepts<\/p>\n

SystemD | System Control<\/b>
\n– Discuss new framework
\n– Contrast with INITD
\n– Identify FS footprint
\n– Alter system run-states via system control
\n– Manage services as needed
\n– Peruse INITD support<\/p>\n

Storage Administration | File System (FS) Semantics | Features | Usage<\/b>
\n– Discuss latest default FS implementation
\n– Identify common FS object types
\n– Discuss the benefits of Symbolic Links
\n– Implement a variety of Soft Links and evaluate characteristics
\n– Contrast Soft && Hard Links
\n– Implement Hard Links and evaluate characteristics
\n– Manipulate both Link forms and evaluate
\n– Identify current virtual memory environment
\n– Implement file-based additional virtual memory
\n– Allocate partitions to virtual memory usage
\n– Enable | Disable virtual memory as required
\n– Explore default XFS implementation
\n– Provision XFS storage blocks as needed
\n– Expand XFS blocks as required
\n– Explore default Logical Volume Management (LVM) Environment
\n– Provision LVM storage components
\n– Aggregate components into accessible blocks as desired
\n– Manipulate LVM storage on-demand<\/p>\n

CRON – System Scheduler<\/b>
\n– Peruse Cron Implementation
\n– Examine schedule options
\n– System-wide && User-wide Cron Jobs
\n– Run jobs as needed
\n– Check Cron status periodically<\/p>\n

Syslog | Log Rotation Facilities<\/b>
\n– Explore LOG rules engine
\n– Examine OS-provisioned LOG entries
\n– Archive LOGs to remote system
\n– Peruse Logrotate environment
\n– Rotate LOGs as needed
\n– Examine results<\/p>\n

Common | Invaluable Network Tools<\/b>
\n– ‘ping’ – availability
\n– ‘mtr’ – interhost paths and metrics
\n– ‘telnet’ – TCP socket availability
\n– ‘netstat’ – examine sockets
\n– ‘arp’ – L2 broadcast domain (VLAN) neighbors
\n– ‘dig’, ‘nslookup’, ‘host’ – name resolution tools
\n– ‘wget’, ‘curl’ – content retrieval agents<\/p>\n

Time Administration | ChronyD<\/b>
\n– Examine default environment
\n– Contrast with prior versions
\n– Explore ‘chronyd’ time service
\n– Contrast ‘chronyd’ with ‘ntpd’
\n– Configure ‘chronyd’ to permit internal synching
\n– Ensure synchronized time across nodes<\/p>\n

YUM | Package Management<\/b>
\n– Discuss features
\n– Contrast with ‘rpm’
\n– Compare with similar tools
\n– Explore default environment with ‘yum’
\n– Install | Remove packages as needed
\n– Apply updates where applicable
\n– Provision internal PROD YUM Repository
\n– Ensure functionality
\n– Manage packages<\/p>\n

IP Administration<\/b>
\n– Discuss features
\n– Contrast with ‘ifconfig’ | alias method
\n– Discuss ‘NetworkManager’ && ‘ifcfg-*’ scripts
\n– Peruse appropriate config tree
\n– Examine important directives
\n– Add IP resources dynamically
\n– Committ desired resources to persist
\n– Test persistance of IP resources<\/p>\n

DHCPD | BIND DNS | Services<\/b>
\n– Provision dedicated virtual DHCP subnet
\n– Setup DHCPD with basic configuration
\n– Ensure address assignation
\n– Trace administered resources
\n– Provision DNS Caching-Only service
\n– Test relayed resolution of proxied requests
\n– Setup Primary DNS service && Test
\n– Replicate Primary DNS records to Secondary instance
\n– Test replication and resolution across nodes<\/p>\n

FTP Server<\/b>
\n– Identify && provision secure FTP server service
\n– Explore default configuration
\n– Alter configuration to suit hypothetical security policy
\n– CHROOT user principles to heighten security
\n– Test configuration
\n– Move data<\/p>\n

HTTPD Server<\/b>
\n– Discuss features
\n– Implement HTTPD server
\n– Explore default configuration
\n– Identify important directories, files and directives
\n– Configure IP-based Virtual Hosts && Test configuration
\n– Update configuration to support Name-based Virtual Hosts
\n– Contrast configurations
\n– Use ‘apachectl’ to validate && effect configuration changes<\/p>\n

MariaDB | RDBMS<\/b>
\n– Explain implementation – features | benefits
\n– Implement on targets
\n– Secure instances and test access
\n– Explore defaults
\n– Provision simple DB container with table and sample data
\n– Test access
\n– Purge sample DB container<\/p>\n

NMAP | Reconnaissance<\/b>
\n– Discuss features
\n– Install NMap
\n– Explore footprint
\n– Analyze locally-published resources
\n– Contrast with routable resources
\n– Explore broadcast domain
\n– Perform a variety of scans to obtain more intel
\n– LOG results for post-processing<\/p>\n

Packet Capturing<\/b>
\n– Discuss sample use-cases
\n– Capture default traffic set
\n– LOG captured traffic for post-processing
\n– Tune captures with BPF filters
\n– Post-process with TCPDump && WireShark<\/p>\n

FirewallD<\/b>
\n– Discuss implementation
\n– Relate to IPTables
\n– Install GUI management tool
\n– Explore default policies
\n– Contrast Run-Time && Permanent Policies
\n– Enter ‘Panic’ mode in hypothetical situation
\n– Resume normal communications
\n– Define PROD service group for rules-aggregation
\n– Apply PROD service group and test communications<\/p>\n

MISC<\/b>
\n– Intro to SELinux Implementation
\n– Examine default SSH behavior
\n– Restrict SSH access to SFTP only connections
\n– Enforce file nomenclature via SSH
\n– Test functionality<\/p>\n

Screenshots:<\/b><\/div>\n

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