2051 Courses in London

SAFe® Product Owner / Product Manager Develop the skillsets needed to guide the delivery of value in a Lean Enterprise by becoming a SAFe® 5.0 Product Owner / Product Manager (POPM). During this course, attendees gain an in-depth understanding of how to effectively perform their role in the Agile Release Train (ART) as it delivers value through Program Increments. Attendees explore how to apply Lean thinking to decompose Epics into Features and Stories, refine Features and Stories, manage Program and Team backlogs, and plan and execute Iterations and Program Increments. Attendees also discover how the Continuous Delivery Pipeline and DevOps culture contribute to the relentless improvement of the ART. What you will Learn To perform the role of a SAFe® Product Owner / Product Manager, attendees should be able to: Articulate the Product Owner and Product Manager roles Connect SAFe® Lean-Agile principles and values to the PO / PM roles Decompose Epics into Features and decompose Features into Stories Manage Program and Team backlogs Collaborate with Agile teams in estimating and forecasting work Represent customer needs in Program Increment Planning Execute the Program Increment and deliver continuous value Becoming a Product Owner / Product Manager in the SAFe® enterprise Preparing for PI Planning Leading PI Planning Executing Iterations Executing the Program Increment Becoming a Certified SAFe® Product Owner / Product Manager

Disciplined Agile Value Stream Consultant (DAVSC) Training Workshop The Disciplined Agile Value Stream Consultant workshop teaches you how to use value stream management to create a tailored approach for any organization to accelerate delivery of value to their customers. It provides a combination of Lean, Flow, Theory of Constraints and Organizational Development theories and practices. The workshop integrates with the Disciplined Agile tool kit to provide those practices that will be most effective for where it is applied, whether it be a new Agile transition or continuing a stagnated SAFe® or Spotify one. What You Will Learn After the completion of this course, you will be able to: Learn to determine the best place for an organization to start - portfolio management, product management or development area Be equipped to tailor an organization's improvement plan based on their unique needs, while also attending to the culture of the organization to evolve at their proper pace Be able to train an organization to continue to improve on their own Know how to accelerate value delivery at scale Be prepared to take the Disciplined Agile Value Stream Consultant (DAVSC) exam and earn valuable, credible certification. Your exam fee is included in tuition. The course is comprised of an introduction and 14 lessons and supplemental materials provided electronically: Introduction: The Disciplined Agile Mindset Lesson 1: Value Stream Consultant: Role and Work Lesson 2: The Idealized Value Stream Lesson 3: Removing Delays in the Workflow Lesson 4: The Minimum Business Increment Lesson 5: The Discovery Workflow and the Development Intake Process Lesson 6: Value Flow Planning and Coordination Lesson 7: Working with a Common Cadence and Synchronization Lesson 8: End of Increment Activities and Reducing, Not Accommodating Dependencies Lesson 9: Factors for Effective Value Streams Lesson 10: Value Creation Structure Lesson 11: Agile Budgeting and Lean Funding Lesson 12: Creating Visibility Across the Organization Lesson 13: Key Roles Lesson 14: The Disciplined Agile Playbook

REXX training course description A hands on training course covering the Restructured EXtended eXecutor (REXX) language. A large number of exercises are used to reinforce and emphasise lecture sessions. What will you learn Write REXX programs. Debug REXX programs. Examine existing code and determine its function. REXX training course details Who will benefit: Anyone wishing to learn REXX. Prerequisites: None although experience in another high level language would be useful. Duration 3 days REXX training course contents Introduction to REXX What is REXX? REXX environments, invoking a REXX exec, a sample REXX exec, REXX clause types. REXX variables and data Literal data, variable data, assignment, simple variables, compound variables, stem variables, constant data, numeric data, arithmetic operations, character manipulation, hexadecimal data. The parse instruction Parse format, Parse examples, Parse arg, Parse pull, Parse value, special templates, place holders, literal templates, numeric templates, variable templates. Control structures Relational conditions, logical operators, simple selection, looping: uncontrolled and controlled loops, infinite loops, conditional loops, controlling loops, leave, iterate, multiple selection, instructions for subroutines, exit. Sub routines and functions Internal and external subroutines, call, ARG(), ARG(n)return, exit, scope of variables, procedure, functions, built in functions, overriding built in functions. Performing I/O Command conventions, preparing to read a file, execio, limitations, execio for reading, DISKR, DISKRU, DISKW, return codes. External functions listdsi, msg, outtrap, prompt, sysdsn, sysvar, storage Tracing Immediate commands, the trace facility, signal and call statements. Built in functions Text handling functions, string handling, word handling, arithmetic, data conversion, bit manipulation, environment. The data stack Data stack structure, REXX instructions for the data stack, REXX functions for the data stack, TSO/E commands for the data stack. REXX in batch TSO/E foreground. TSO/E background.

SIP security training course description A hands-on course covering SIP security. It is assumed that delegates already know SIP as this course focuses purely on the security issues in SIP IP telephony networks. Hands-on practicals follow each major theory session and include use of various SIP security tools such as vomit, sipp, sipsak and sivus amongst others. What will you learn Secure SIP networks Use various SIP security tools SIP security training course details Who will benefit: Technical staff working with SIP. Technical security staff. Prerequisites: SIP for engineers Duration 2 days SIP security training course contents SIP review SIP infrastructure and entities, example SIP session. Hands on Simple SIP network with and without authentication. SIP security attacks DOS attacks, infrastructure attacks, eavesdropping, spoofing, replay, message integrity. Hands on Basic SIP packet capture, infrastructure attacks. SIP tools SIP packet creation: Sivus, SIPsak, PROTOS, SFTF, SIP bomber, SIPp, Seagull, Nastysip. SIP packet generators: SIPNess, NetDude. Monitoring: Wireshark, Cain & Abel, Vomit, Oreka, VoiPong. Scripts and tools: SIP-Fun, Skora.net, kphone-ddos, sip-scan, sip-kill, sip-redirectrtp. Health of different tools. Hands on Generating SIP packets, rebuilding conversations from captured packets, password cracking. VPNs and SIP IPSec, AH, ESP, transport mode, tunnel mode, Pre Shared Keys, Public keys. Hands on SIP calls over IPSec. Secure SIP signaling SIP relationship with HTTP, Deprecated HTTP 1.0 basic authentication, HTTP 1.1 Digest authentication, S/MIME, SIPS, SIPS URI, TLS, DTLS, PKI infrastructures. Hands on SIP with TLS. Secure media streams SRTP, features, packet format, default encryption, default authentication, key distribution. S/MIME, MIKEY, SDP security descriptions. SIP security agreements. Hands on Analysing SRTP packets. Firewalls NAT traversal. Impact of firewall on infrastructure attacks. TLS and firewalls. SIP specific firewalls. Hands on SIP calls through a firewall.

Disciplined Agile Scrum Master (DASM): In-House Training Is your team treading water using waterfall? Do you feel trapped in an agile framework? Would you like to find solutions to the problems you've been wrestling with? Are you looking for ways to enhance your team's agility? Break free from your old ways by choosing a way of working that fits your team's context. Find strategies to improve your processes and strengthen your team with the Disciplined Agile® tool kit. Disciplined Agile Scrum Master is a nine-lesson, instructor-led course that shows you how to use Disciplined Agile (DA™) to improve your team's way of working. In just two days, you will become familiar with foundational agile and lean practices that DA supports, practice using the tool kit to solve problems, and learn how to build high-performance teams. Filled with activities, animations, supplemental reading, and more, this course will prepare you to take the Disciplined Agile Scrum Master (DASM) exam and, equally important, start using Disciplined Agile immediately. #BBD0E0 » What You Will Learn After the completion of this course, you will be able to: Apply foundational agile and lean practices in your own team setting Describe what business agility is and how it is core to value proposition of Disciplined Agile® Describe the significance of the Disciplined Agile mindset Define the DA™ principles, promises, and guidelines and how they set Disciplined Agile apart from other frameworks Explain how people are organized into DA teams Define the primary DA roles and how they each are key to the success of a self-organizing agile team Explain how to help your team work well together using the Lean principle of 'respect people' Analyze your team's context to make better process-related decisions Select the best-fit DA life cycles for your teams Apply the five DA steps of choosing your team's way of working (WoW) Apply the relevant agile and lean techniques to successfully initiate your team Apply the relevant agile and lean techniques to support your team producing business value Apply the relevant agile and lean techniques to support your team releasing their work into production Apply the relevant agile and lean techniques to support your team on an ongoing basis Recognize when to be resilient List and define the principles of Lean Significance of the Disciplined Agile® Mindset Business agility and how it is core to value proposition of Disciplined Agile Eight DA principles and how they are core to what sets Disciplined Agile apart from other agile frameworks Which situations each of the DA™ life cycles is best applied DA Practice of choosing a team's way of working (WoW) Foundations of Agile How people are organized into DA teams Primary DA roles and how they each are key to the success of a self-organizing agile team Help your team work well together (Lean principle 'Respect people') Inception phase and why it is important DA tool kit to tailor your way of working within a select phase according to context Agile techniques and ceremonies relevant to Inception Construction phase and why it is important Agile techniques and ceremonies that take place during Construction Eliminate Waste and Build Quality (Lean principles) Deliver Value Quickly (Lean principle) Transition phase and why it is important Ongoing phase and why it is important Learn Pragmatically (Lean principle) Elements of the process blade (onion) diagram Principles of Lean When to be resilient Benefits of explicit workflow Kaizen loops and PDSA techniques for continuous improvement Options for cross-team learning: "community of practice" and "center of excellence"

Linux engineer certification training course description LPIC-2 is the second certification in LPI's multi level professional certification program. This course teaches the skills necessary to pass the LPI 201 exam; the first of two LPIC-2 exams. Specifically, the course covers the administration of Linux systems in small to medium sized mixed networks. What will you learn Perform advanced administration tasks. Perform advanced file system administration. Linux engineer certification training course details Who will benefit: Linux administrators. Prerequisites: Linux system administration (LPIC-1) Duration 5 days Linux engineer certification fundamentals training course contents Part I The LPI 201 Exam Starting a System The Linux Boot Process, Firmware Startup, BIOS Startup, UEFI Startup, Linux Bootloaders, GRUB Legacy, GRUB 2, Alternative Bootloaders, Secure Bootloaders, Process Initialization, SysV Method, systemd Method, Upstart Method, System Recovery, Kernel Failures, Root Drive Failure. Maintaining the System Fluid Messaging, Static Messaging, System backups, Backup Strategies, Performing Backups, Installing Programs from Source, Obtaining and unpacking Installation Files, Compiling Programs, Resource Usage: Managing, measuring, predicting and troubleshooting. Mastering the Kernel What Is the Kernel? Kernel Features, Parts of the Kernel, Kernel Versions, Obtaining Source Code, Creating the Configuration File, Compiling and Installing the Kernel, Compiling and Installing Modules, Creating an Initial RAM Disk, Booting the New Kernel, Creating a Kernel Package, Maintaining the Kernel, Working with Module Files, Module Commands, Working with Hardware, Automatically Detecting Hardware, Troubleshooting the Kernel. Managing the Filesystem The Linux Filesystem, Filesystem Structures, Filesystem Types, Making Filesystems, Attaching Filesystems, Memory-Based Linux Filesystems, the Btrfs Filesystem, Btrfs Subvolumes, Btrfs Snapshots, Optical Filesystems, Swap Filesystems, Network-Based Filesystems, Auto-Mounting, Encrypted Filesystems, Maintaining Linux Filesystems, Adjusting a Filesystem, Checking and Repairing a Filesystem, SMART. Administering Advanced Storage Devices Configuring RAID, Implementing RAID on Linux, Managing a RAID Array, Adjusting Storage Devices, Looking at Drive Interface Concepts, Testing and Tuning Drives, Implementing iSCSI, Managing Logical Volumes, LVM, Creating Logical Volumes, Supporting Logical Volumes, Understanding the Device Mapper. Navigating Network Services Networking Basics, The Physical Layer, The Network Layer, The Transport Layer, The Application Layer, Configuring Network Features, Network Configuration Files, Graphical Tools, Command-Line Tools, Basic Network Troubleshooting, Checking the Log Files, the ARP Cache, Sending Test Packets, Testing Network Routes, Testing Client/Server Connectivity, Finding Host Information, Network Security, Advanced Network Troubleshooting, Viewing Open Network Connections, Viewing Network Statistics, Scanning the Network, Capturing Network Traffic.

Definitive IP routing training course description An intensive hands on IP routing course leading to LINX Accredited Internet Technician stage 2 focusing on routing in an IP environment. The course concentrates on OSPF and IS-IS but also covers BGP and MPLS. Hands on sessions are used to reinforce the theory rather than teach specific manufacturer equipment. A multiple choice exam, leading to the LAIT II certification, is available after the course. The exam consists of 60 questions and lasts 2.0 hours. What will you learn Calculate subnet numbers in seconds. Configure and troubleshoot static routes. Explain how OSPF works. Build resilient networks with VRRP and OSPF. Implement and troubleshoot OSPF, IS-IS and VLANS. Evaluate and choose appropriate routing protocols for particular scenarios. An optional multiple choice exam, leading to the LAIT II certification, is included at the end of the course. The exam consists of 60 questions and lasts 2.0 hours. Definitive IP routing training course details Who will benefit: Network engineers Prerequisites: TCP/IP Foundation for engineers Duration 5 days Definitive IP routing training course contents Basic routing Review of LAIT I routing, reading routing tables. Hands on Setting up a routed network. Static routes Why use static routes? Default routes. Hands on Configuring static routes. First hop redundancy Default gateways, VRRP/HSRP/GLBP. Load sharing, critical IP addresses. Hands on VRRP. Basic OSPF What is OSPF? Process IDs, passive interfaces. Hands on Simple OSPF. Subnetting Bit boundary subnetting, calculating network numbers. Exercise: Subnetting. OSPF overview Metrics, convergence, DV vs. Link state, IGPs, classless, OSPF features, load sharing, OSPF authentication. Hands on OSPF features. OSPF within an area How OSPF works, LSAs, LSDB, router IDs, hellos, configuring hellos, exchange protocol. Hands on Investigating OSPF structures. OSPF areas Scalability, why areas? Area IDs, area 0, ABRs, ABR resilience, areas & LSDBs & LSAs, virtual links. Hands on Multi area OSPF. Redistribution Multiple routing protocols, common scenarios, routing distance, External LSAs, E1 and E2. Type 4 LSAs. OSPF and default routes. Hands on Configuring static route redistribution. Route aggregation Route summarisation. How to aggregate, CIDR, ASBR summarisation. Hands on OSPF address summarisation. OSPF packet formats OSPF packets, protocol stack, packet flows, OSPF headers, neighbours, neighbour states, DRs, adjacencies, BDRs, DR election. Hands on Analysing OSPF packets, troubleshooting. OSPF OSPF stub areas LSA types, area types, area architecture, stub areas, default routes, benefits & disadvantages of stub areas, TSSAs, NSSAs, Type 7 LSAs. Hands on Stub and TSSA configuration. IS-IS End systems, Intermediate systems, how IS-IS works, IS-IS router ID, Level 1, Level 2, IS-IS hierarchy. Hands on Configuring IS-IS, troubleshooting IS-IS. The Internet Autonomous systems, Peering, transit, looking glasses. Hands on Internet routing tables. Basic BGP IGPs, EGPs, What's BGP? BGP RIB, in/out process, tables peers, adding routes. Hands on Simple configuration and troubleshooting. Routing IPv6 Multi protocol routing, IPv6 addressing, IPv6 routing tables, IPv6 static routes, OSPFv3, IS-IS and IPv6. Hands on Routing IPv6. STP and L2 routing STP, RSTP, L2 IS-IS, Multi system link aggregation. Hands on RSTP. MPLS Core MPLS, MPLS and the 7 layer model, MPLS protocol, MPLS standard, MPLS runs on routers, MPLS history, Why MPLS?, LSRs, PE and P router roles, FEC, swapping labels, MPLS packet format. Hands on Enabling MPLS. Testing and troubleshooting of MPLS. Appendix EIGRP: How EIGRP works, DUAL.

Linux training course description A Linux foundation appropriate for all flavours of Linux, focussed on getting network engineers up and running with Linux. The command line is used throughout. The course progresses from the basics of Linux commands onto useful tools such as grep, then shell features such as piping and then onto shell scripting. Administration aspects covered are the tasks network engineers are most likely to encounter such as software installation. Hands on exercises concentrate on network related tasks such as installing net-snmp and using shell scripts to provide network automation. What will you learn Use Linux commands to perform a variety of tasks from manipulating files to handling processes. Create and edit files with vi. Work with permissions. Write simple shell scripts. Install software packages. Configure base networking. Linux training course details Who will benefit: Network engineers. Prerequisites: TCP/IP Foundation Duration 5 days Linux training course contents What is Linux? Linux distributions, open source software. Getting started Logging in, changing passwords, logging out. Hands on Basics and root access. Linux basics Command structure. The Linux manuals, basic commands (who, date, tty, uname, echo, banner...). Hands on Using the CLI. Connecting to a network IP configuration, DHCP, static addressing, routing, ifconfig, ping, netstat, traceroute, dig. Hands on Network configuration and testing. Managing Software Package Concepts, Comparison of package formats, RPM, rpm Commands, Yum, Debian Packages, dpkg, apt-cache, apt-get, dselect, aptitude, Converting Between Package Formats, Dependencies and Conflicts, Startup Script Problems, Shared Libraries, Library Management Hands on Installing network packages such as nmap and net-snmp. Processes and log files ps, kill, background processes, at, exec, priorities. Managing Linux log files. Syslogd. Setting the time. Cron and cronjobs. Managing Processes, the Kernel: The First Process. Hands on Controlling daemons and services. Setting up a TFTP server. Filesystem commands Home directories, manipulating files and directories, Filesystem layout, Pathnames, hard and symbolic links. Viewing files. Hands on Exploring the filesystem, working with network device configuration files. The Linux editors ed, vi, shell escapes, .exrc. Hands on Editing network device configuration files. Extracting data from files grep, find, cut, sort and paste… Hands on Working with syslog files. Permissions Theory, chmod, chown, newgrp. Hands on Handling permission problems. The shell Metacharacters, piping and redirection. Hands on Running SNMP commands and working with their output. Basic shell scripting What are shell scripts? Simple scripts, control structures. Variable. Setting variables, using variables, set, scope, export, sourcing, environmental variables, read. Positional parameters: $0 to $9, $#, $* and others. shift parameter substitution. Control statements: The test command, if , while loops, for loops, the case statement. Hands on Automating network tasks. Customising your environment Environmental variables, stty, .profile and other startup files. Hands on Customising Linux. Introduction to administration The root user, su. Managing users and groups. Hands on The power of root. Archiving files Backups, tar, cpio, dd, gzip. Hands on Working with tar files. Booting Linux and Editing Files Installing Boot Loaders, GRUB Legacy, GRUB 2, Alternative Boot Loaders, the Boot Process, Boot Messages, Runlevels and the Initialization Process, Runlevel Functions, Runlevel Services, Alternative Boot Systems , Upstart, system. Hands on Installing network services on Linux.

LINX II training course description An intensive hands on IP routing course leading to LINX Accredited Internet Technician stage 2 focusing on routing in an IP environment. The course concentrates on OSPF and IS-IS but also covers BGP and MPLS. Hands on sessions are used to reinforce the theory rather than teach specific manufacturer equipment. A multiple choice exam, leading to the LAIT II certification, is available after the course. The exam consists of 60 questions and lasts 2.0 hours. What will you learn Calculate subnet numbers in seconds. Configure and troubleshoot static routes Explain how OSPF works. Build resilient networks with VRRP and OSPF. Implement and troubleshoot OSPF, IS-IS, simple BGP and simple MPLS. Evaluate and choose appropriate routing protocols for particular scenarios. LINX II training course details Who will benefit: Network engineers. Prerequisites: LAIT I attendance and 55%+ exam score OR LAIT I exam only and pass (70%+) OR CCNA and take LAIT I exam on this course. Duration 5 days LINX II training course contents Basic routing Review of LAIT I routing, reading routing tables. Hands on Setting up a routed network. Static routes Why use static routes? Default routes. Hands on Configuring static routes. First hop redundancy Default gateways, VRRP/HSRP/GLBP. Load sharing, critical IP addresses. Hands on VRRP. Basic OSPF What is OSPF? Process IDs, passive interfaces. Hands on Simple OSPF. Subnetting Bit boundary subnetting, calculating network numbers. Exercise: Subnetting. OSPF overview Metrics, convergence, DV vs. Link state, IGPs, classless, OSPF features, load sharing, OSPF authentication. Hands on OSPF features. OSPF within an area How OSPF works, LSAs, LSDB, router IDs, hellos, configuring hellos, exchange protocol. Hands on Investigating OSPF structures. OSPF areas Scalability, why areas? Area IDs, area 0, ABRs, ABR resilience, areas & LSDBs & LSAs, virtual links. Hands on Multi area OSPF. Redistribution Multiple routing protocols, common scenarios, routing distance, External LSAs, E1 and E2. Type 4 LSAs. OSPF and default routes. Hands on Configuring static route redistribution. Route aggregation Route summarisation. How to aggregate, CIDR, ASBR summarisation. Hands on OSPF address summarisation. OSPF packet formats OSPF packets, protocol stack, packet flows, OSPF headers, neighbours, neighbour states, DRs, adjacencies, BDRs, DR election. Hands on Analysing OSPF packets, troubleshooting. OSPF OSPF stub areas LSA types, area types, area architecture, stub areas, default routes, benefits & disadvantages of stub areas, TSSAs, NSSAs, Type 7 LSAs. Hands on Stub and TSSA configuration. IS-IS End systems, Intermediate systems, how IS-IS works, IS-IS router ID, Level 1, Level 2, IS-IS hierarchy. Hands on Configuring IS-IS, troubleshooting IS-IS. The Internet Autonomous systems, Peering, transit, looking glasses. Hands on Internet routing tables. Basic BGP IGPs, EGPs, What's BGP? BGP RIB, in/out process, tables peers, adding routes. Hands on Simple configuration and troubleshooting. Routing IPv6 Multi protocol routing, IPv6 addressing, IPv6 routing tables, IPv6 static routes, OSPFv3, IS-IS and IPv6. Hands on Routing IPv6. STP and L2 routing STP, RSTP, L2 IS-IS, Multi system link aggregation. Hands on RSTP. MPLS Core MPLS, MPLS and the 7 layer model, MPLS protocol, MPLS standard, MPLS runs on routers, MPLS history, Why MPLS?, LSRs, PE and P router roles, FEC, swapping labels, MPLS packet format. Hands on Enabling MPLS. Testing and troubleshooting of MPLS. Appendix EIGRP: How EIGRP works, DUAL.

UNIX system administration training course description This five day hands on course provides a comprehensive coverage of core UNIX administration tasks. The course covers generic UNIX and is available for any UNIX distribution required. What will you learn Administer & configure UNIX systems. Maintain UNIX by handling disk space and taking regular backups. Manage software packages. Perform basic troubleshooting. Maintain a secure UNIX system. Describe the organisation and implementation of the filesystem. UNIX system administration training course details Who will benefit: System administrators Network administrators. Prerequisites: UNIX fundamentals. Duration 5 days UNIX system administration training course contents Part 1 Exploring UNIX command-line tools Using a shell, shell configuration, environment variables, getting help, streams, redirection and pipes, processing text using filters, manipulating files, regular expressions, grep, sed. Managing software Package concepts, comparison of package formats, RPM, rpm commands, yum, dpkg, apt-cache, apt-get, dselect, aptitude, converting between package formats, dependencies and conflicts, startup script problems, shared libraries, library management, managing processes, the kernel: the first process, process lists, foreground & background processes, process priorities, killing processes. Configuring hardware Configuring firmware and hardware, RQs, I/O addresses, DMA addresses, Boot disks, coldplug and hotplug devices, configuring expansion cards and PCI cards, kernel modules, USB devices, UNIX USB crivers, configuring hard disks, partitioning systems, LVM, common layouts, creating partitions and filesystems, maintaining filesystem health, tuning, journals, checking filesystems, monitoring disk use, mounting and unmounting filesystems. Managing files File management commands, file naming and wildcards, file archiving, links, directory commands, file ownership and group, file access control, permissions, chmod, defaults, file attributes, disk quotas, enabling and setting quotas, locating files, the FHS. Booting UNIX and editing files Installing boot loaders, GRUB legacy, GRUB 2, alternative boot loaders, the boot process, boot messages, runlevels and the initialization process, runlevel functions, runlevel services, alternative boot systems, upstart, system. Part 2 Configuring the X window system Localization, configuring basic X features, X server options, methods of configuring X, X display information, X fonts, the X GUI login system, XDMCP server, using X for remote access, screen display settings, setting your time zone, your locale, configuring printing, conceptualizing the UNIX printing architecture, understanding PostScript and ghostscript, running a printing system, configuring CUPS, monitoring and controlling the print queue. Administering the system Managing users and groups, tuning user and system environments, using system log files, understanding syslogd, setting logging options, manually logging data, rotating l;og files, reviewing log file contents, maintaining the system time, UNIX time concepts, manually setting the time, using NTP, running jobs in the future, understanding the role of cron, creating system cron jobs, creating user cron jobs, using anacron, using at. Configuring basic networking TCP/IP, network hardware, network addresses, hostnames, network ports, configuring UNIX for a local network, configuring with DHCP, static IP address, configuring routing, using GUI configuration tools, ifup and ifdown, diagnosing network connections, testing connectivity, tracing a route, checking network status , examining network traffic, additional tools. Writing scripts, configuring email, and using databases The shell environment, aliases, shell configuration files, writing scripts, commands, variables, conditional expressions, loops, functions, managing email, choosing email software, securing your email server, managing data with SQL, picking a SQL package, understanding SQL basics, using MySQL. Securing your system Administering network security, super server restrictions, disabling unused servers, administering local security, securing passwords, limiting root access, setting login, process, SUID/SGID files, configuring SSH, using GPG, generating, importing and revoking keys, encrypting and decrypting data, signing messages and verifying signatures.