339 Computing & IT courses in Hemel Hempstead

LPIC-1 training course description This five day hands on course provides a comprehensive coverage of core Linux administration tasks. The course covers generic Linux and is available for any Linux distribution required. It closely follows the LPIC curriculum allowing delegates to achieve the relevant certification if required. What will you learn Administer & configure Linux systems. Maintain Linux by handling disk space and taking regular backups. Manage software packages. Perform basic troubleshooting. Maintain a secure Linux system. Describe the organisation and implementation of the filesystem. LPIC-1 training course details Who will benefit: System administrators. Network administrators. Prerequisites: Linux fundamentals (LPI 010) Duration 5 days LPIC-1 training course contents Part I Exam 101 Exploring Linux 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, Debian Packages, 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, IRQs, I/O Addresses, DMA Addresses, Boot Disks, Coldplug and Hotplug Devices, Configuring Expansion Cards and PCI Cards, Kernel Modules, USB Devices, Linux USB Drivers, 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 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. Part II Exam 102 265 Securing 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 Linux 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 Log Files, Reviewing Log File Contents, Maintaining the System Time, Linux 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 Linux 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.

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.

CWNA training course description A hands-on course focusing on the technical support of WiFi. Wireless LANs are often seen as simple communications that are simply installed and then left alone to work. This course ensures that delegates will be able to install WiFi networks which work but also enable the delegates to troubleshoot WiFi when it does go wrong. What will you learn Compare 802.11 standards. Configure WiFi networks. Troubleshoot WiFi networks using spectrum analysers, Wireshark and other tools. Implement 802.11 security. Perform RF surveys. CWNA training course details Who will benefit: Technical staff working with WiFi networks. Anyone wishing to pass the CWNA exam. Prerequisites: Intro to data communications & networking Duration 5 days CWNA training course contents Introduction History, standards. RF fundamentals What is RF? Wavelength, Frequency, Amplitude, Phase. Wave behaviour. RF components. Watts, mW, dB, SNR, Link budgets. Hands on Spectrum analysis. Listing WiFi networks. WiFi connection. inSSIDer. Antennas Radiation envelopes, polar charts, gain, Antenna types. Line of Sight, MIMO. Hands on Connecting, installing, changing antennae. RSSI values. 802.11 802.11-2007, 802.11 post 2007, 802.11 drafts. 802.11 b/g/n. Hands on WiFi performance measurement. Spread Spectrum RF frequency bands, FHSS, DSSS, OFDM. Channels. Hands on Configuring channels. Topologies Mesh, Access points, distribution systems, SSID. Hands on AP configuration. Client connection profiles. 802.11 MAC CSMA/CA, Management frames, control frames, data frames. Passive scanning, active scanning. Open system authentication. Shared Key authentication. Association. RTS/CTS. Power management. Hands on Capturing frames, analysing frames. WiFi architecture WiFi client, WLAN architecture: Autonomous, Centralised, distributed. WiFi bridges. WiFi routers. PoE. Hands on WLAN controllers. Troubleshooting RF interference, multipath, adjacent channels, low SNR, mismatched power. Coverage, capacity. 802.11 Security Basics, Legacy security: WEP, MAC filters, SSID cloaking. PSK, 8021.X/EAP, WPA/WPA2. TKIP/ CCMP encryption. Guest WLANs. Wireless attacks, intrusion monitoring. Hands on WEP cracking, WPA2 configuration. RADIUS. RF Site surveys Protocol and spectrum analysis, coverage analysis. Site survey tools. Hands on Performing a site survey.

Cloud deployment training course description This course covers the important topics every cloud professional needs, including, configuration and deployment, security, maintenance, management, and troubleshooting. It covers all aspects of cloud computing infrastructure and administration, with a practical focus on real-world skills. It will help you to master the fundamental concepts, terminology, and characteristics of cloud computing. Deploy and implement cloud solutions, manage the infrastructure, and monitor performance. You will also be able to install, configure, and manage virtual machines. What will you learn Cloud services, models, and characteristics. Virtualization components, installation, and configuration. Infrastructure configurations and optimization. Resource management and specific allocations. IT security concepts, tools, and best practices. Recovery, availability and continuity in the cloud. Cloud deployment training course details Who will benefit: IT professionals looking to deploy and implement cloud solutions, manage the infrastructure, and monitor performance, Install, configure, and manage virtual machines. Prerequisites: Introduction to virtualization. Duration 5 days Cloud deployment training course contents Preparing to Deploy Cloud Solutions Deploying a Pilot Project Testing Pilot Project Deployments Designing a Secure and Compliant Cloud Infrastructure Designing and Implementing a Secure Cloud Environment Planning Identity and Access Management for Cloud Deployments Determining CPU and Memory Sizing for Cloud Deployments Determining Storage Requirements for Cloud Deployments Analysing Workload Characteristics to Ensure Successful Migration Maintaining Cloud Systems Implementing Backup, Restore, Disaster Recovery, and Business Continuity Measures Analysing Cloud Systems for Performance Analysing Cloud Systems for Anomalies and Growth Forecasting Troubleshooting Deployment, Capacity, Automation, and Orchestration Issues Troubleshooting Connectivity Issues Troubleshooting Security Issues

BGP training course description A detailed study of BGP, from the basics of how it works through to advanced issues such as route reflectors, policy, filtering, route selection and routing registries. The course culminates with a study of an industrial strength BGP template illustrating important issues such as bogon filtering. Practical hands on with routers follow the major sessions to reinforce the theory. A multiple choice exam, leading to the LAIT III certification, is available after the course. The exam consists of 60 questions and lasts 2 hours. What will you learn Connect enterprises to the Internet, and ISPs to each other. Describe how BGP works. List, describe and configure the main BGP attributes. Implement and troubleshoot BGP. Work with route aggregation and calculate CIDR prefixes in seconds. Influence traffic paths with BGP. BGP training course details Who will benefit: Anyone who will be working with BGP. Prerequisites: TCP/IP Foundation for engineers Definitive IP routing for engineers. Duration 5 days BGP training course contents Basic BGP IGPs, EGPs, What's BGP? BGP RIB, in/out process, tables peers, adding routes. Hands on Simple configuration and troubleshooting. The Internet and peering ASs, AS numbers, Internet structure, ISP types, ISP network design, IXs, peering vs. transit, public/ private peering, bi/multi-lateral peering. Hands on AS information gathering. How BGP works Incremental updates, Path vector protocols, BGP protocol stack, the BGP header, message types, NLRI, withdrawn routes, route refresh, route dampening. Hands on More troubleshooting, packet analysis. MBGP and IPv6 Multiprotocol routing, AFI, SAFI, MBGP and multicasts, IPv6, MPLS VPNs. Hands on IPv6 BGPv4 aggregation CIDR, benefits, techniques, shortcuts, configuring BGP aggregation, leaking routes. Hands on Reducing routing table size. BGP path selection BGP attributes, attribute types, route selection order, Local preference, AS prepend, MEDs. Hands on Influencing traffic with BGP. BGP routing policies What is policy? Examples, route filtering, AS filtering, REs, applying preference selectively, peer groups. Hands on Sophisticated policies. RIPE and routing registries RIRs, Allocations, assignments, PI vs. PA. Objects, RPSL, routing registry, Hands on The RIPE database. Automating BGP configuration Automation tools, whois, IRRToolSet, Bogon lists, tracking bogon lists, HTTP, Peering, routing registries, DNS. Communities What is a community? Community names, communities for: peer types and geography. RFC 1998, default communities. Hands on Setting local preference on other routers. Route servers What are route servers? LINX route servers, route server policy control, What are route collectors, Looking glasses. Hands on Setting up and working with a route server. Peer relationships IBGP, EBGP, next hop self, advertising routes into/out of BGP, synchronisation. Hands on IBGP, troubleshooting a large BGP network. Route reflectors and confederations Full mesh IBGP, Route reflectors, RR configuration and design, confederations, migration issues. Hands on RR configuration. BGP architectures Stub vs. transit AS, when to use BGP, multihoming strategies and issues, default routes. Multihop EBGP, load balancing. Hands on Multihoming. BGP security RFC 7454, security steps, BGP TTL security, filters, RPKI, ROAs, rsync, rrdp, validators. A secure BGP template. Hands on RPKI prefix validation.

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.

Fibre Optic cabling training course description A hands on course covering installation, splicing and testing of fibre optic cabling. What will you learn Describe different types of fibre cable and where to use them Install fibre optic cable. Splice fibre optic cable. Test fibre optic cable. Fibre Optic cabling training course details Who will benefit: Cable installation professionals. Prerequisites: None Duration 3 days Fibre Optic cabling training course contents Fibre optic transmission Physics of light, optical modes, light propagation, light guiding, dispersion, light spectrum, fibre versus copper comparison, fibre cable types and their uses, WDM and DWDM. Fibre optic cable Single mode, Multi mode, diameters, step-index fibre, graded index fibre, loose tube, tight buffered, cable jackets, distance limitations, indoor versus outdoors. Fibre optic network components ST, SC, FC and other connectors, termination methods, joint enclosures, transmitters, light sources, laser, LED, receivers, detectors. Installation BS.7718. Safe working practices, site surveys, recommended installation procedures, cable handling issues, bending radius, techniques and tools, documentation. Splicing Joining fibres, splicers, fusion splicing, mechanical splicing, splicing procedure, cleaving, splicing parameters, splicing vs. connectors. Measurement parameters and applications Power measurement, loss measurement, return loss measurement, receiver sensitivity measurement, budget calculations. Testing Optical power meter, optical light source, optical attenuator, return loss meter, continuity testing, insertion loss testing, OTDR features and principles, OTDR capabilities and limitations, using an OTDR, troubleshooting.

LTE Backhaul training course description This course provides a concise insight into the LTE backhaul. Key parts of the course are detailed looks at the transport of messages and the S1 and X2 protocols. What will you learn Describe the overall architecture of LTE. Explain how data and signalling messages are transported in LTE. Describe the S1 protocol. Describe the X2 protocol. LTE Backhaul training course details Who will benefit: Anyone working with LTE. Prerequisites: Mobile communications demystified Duration 2 days LTE Backhaul training course contents Introduction In the first section of the course, we review LTE and its hardware and software architecture. Requirements and key features of LTE. LTE Architecture and capabilities of the UE. Architecture of the E-UTRAN, functions of the eNB. EPC architecture, and functions of the MME, SGW, PGW and PCRF. System interfaces and protocol stacks. Example information flows. Dedicated and default bearers. EMM, ECM and RRC state diagrams. Architecture of the radio access network In this section, we look in more detail at the architecture of the evolved UMTS terrestrial radio access network (E-UTRAN). Logical and physical architecture of the E-UTRAN. Numbering, addressing and identification. E-UTRAN functions. E-UTRAN protocol stacks. Timing and frequency synchronisation in LTE. Transport of data and signalling in LTE Here, we look in more detail at the techniques and protocols that are used to transport data and signalling messages across the evolved UMTS terrestrial radio access network and the evolved packet core. Quality of service in LTE. The GPRS tunnelling protocol. Differentiated services Multi-protocol label switching (MPLS). The stream control transmission protocol (SCTP). The S1 application protocol This section gives a detailed account of the signalling procedures in the S1 application protocol, which the MME uses to control the operation of the eNB. The material looks at the procedures, messages and information elements, and relates them to the system-level procedures in which they are used. S1 setup procedure. UE context management procedures. Non access stratum information transport. Procedures for managing the evolved radio access bearer (E-RAB). Paging procedures. Mobility management procedures for S1-based handovers. Procedures in support of self-optimising networks. The X2 application protocol This section gives a detailed account of the signalling procedures in the X2 application protocol, which is used for peer-to-peer communication between eNBs. The material looks at the procedures, messages and information elements, and relates them to the system-level procedures in which they are used. X2 setup procedure. Mobility management procedures for X2-based handovers Procedures in support of self-optimising networks. High level system operation In the final section, we bring our discussions of the S1 and X2 application protocols together by reviewing the system-level operation of LTE. Attach procedure. Transitions between the states of RRC Idle and RRC Connected. Tracking area updates in RRC Idle. Handover procedures in RRC Connected.

Mikrotik routers training course description A fast paced practical hands on introduction to Mikrotik routers concentrating on basic product knowledge needed for the real world. Starts with the basics of accessing the routers through configuring static routes, RIP and OSPF, ending with firewalls. Hands on sessions follow all the major chapters. What will you learn Use Winbox. Use the Mikrotik command line. Perform basic troubleshooting. Configure Interfaces, RIP and OSPF. Perform housekeeping tasks such as: - save and load configurations - upgrade the OS - recover lost passwords Mikrotik routers training course details Who will benefit: Anyone who will be working with Mikrotik routers. Prerequisites: TCP/IP foundation for engineers Duration 2 days Mikrotik routers training course content Mikrotik routers RouterOS, RouterBoard. System resources. Getting started Accessing the router, Winbox, Webfig, Quickset. telnet. The command line interface Contexts, online help, basic troubleshooting. Configuring Interfaces Basics, Enabling interfaces. Ethernet, loopback interfaces. Adding IP addresses. Static routes Why use static routes? Configuring static routes, default routes. Configuring RIP How RIP works, configuration, troubleshooting. OSPF Configuration and troubleshooting. Housekeeping Configuration management, offline editing and FTP usage. RouterOS upgrades. Packages. Bypassing passwords. Other functions DHCP server. Firewall Connections, chains, actions, filters.

Samba training course description Samba enables UNIX/Linux machines to act as Microsoft File and Print servers. This two day hands on training course progresses from the basics of installing samba and simple configurations through to authentication issues and troubleshooting. What will you learn Install and configure Samba. Administrate file and printer sharing. Secure Samba servers. Troubleshoot Samba Samba training course details Who will benefit: Technical staff working with Samba. Prerequisites: Intro to UNIX Systems Administration TCP/IP Foundation. Duration 2 days Samba training course contents What is Samba? File and print servers, Samba server roles, Windows networking, NetBIOS, SMB. Hands on Microsoft File and Print shares, analysing the network traffic. Installing Samba Source, binaries, where to find samba, building and compiling Samba. Hands on Download and install Samba. Controlling Samba Samba daemons, starting and stopping Samba, smbcontrol, Samba net command, smb.conf. Viewing Samba status, smbclient. Hands on Starting and stopping Samba, testing the server. Samba configuration Simple shares, smb.conf variables, configuration from a web browser, swat, enabling access to swat. Hands on Configuring samba servers and clients. File sharing Basic shares, [homes], locking options, UNIX file permissions, controlling user access, Windows ACLs, virtual samba servers, browsing. Hands on File sharing and browsing. Print sharing Sharing printers, UNIX printing, CUPS, printer drivers, [printers], PRINT$. Hands on Samba print server. Authentication Workgroups, domains, users and passwords, Samba domain security, Samba password backends: smbpasswd, tdbsam, nisplus, mysql, Active Directory. Hands on Securing samba shares. Troubleshooting Logging options, controlling logs, Samba utilities, network protocols, .SMB/CIFS. Performance tuning. Hands on Troubleshooting Samba