26 UNIX courses in Cardiff

Kerberos for engineers training course description This hands on course covers the details of Kerberos, from installation and administration through to how it all works including the protocols. What will you learn Describe what Kerberos is. Explain how Kerberos works. Install Kerberos. Configure Kerberos. Troubleshoot Kerberos. Kerberos for engineers training course details Who will benefit: Engineers interested in security. Prerequisites: TCP/IP foundation for engineers Duration 2 days Kerberos for engineers training course contents What is Kerberos? Single Sign On, The protocol, the standard, history, v4, v5, RFCs, Linux, Windows. Kerberos concepts and technology AAA, Authentication, Authorization, Accounting. Kerberos vs LDAP and directories. Privacy, integrity. Kerberos realms, principles, instances. Keys, salts, passwords. Key Distribution Centre, Authentication server, ticket granting server. Tickets. Installation and administration of Kerberos Installing Kerberos, creating realms, testing. DNS and Kerberos, Kerberos clients. Hands on Windows and Linux Kerberos. Kerberos protocols The Needham-Schroeder protocol, Kerberos v4. Authentication server, ticket granting server, Kerberos v5, encryption options, ticket options, other protocol features and extensions. Related protocols: GSSAPI, SPNEGO. Hands on Using Wireshark to 'see' Kerberos. Troubleshooting Kerberos Approach, debugging tools, errors and solutions. Hands on Kerberos troubleshooting. Kerberos security concerns Kerberos attacks, protocol security issues. Dictionary attacks, brute force attacks, replay attacks, MITM attacks, security solutions, protecting the KDC, firewalls, NAT and Kerberos. Hands on Kerberos logging. Software which uses Kerberos Kerberos logins, Kerberos and web based applications, Directory services. Advanced Kerberos issues Cross realm authentication, Windows issues, Windows and UNIX interoperability, Hands on Using a Windows DC for UNIX clients.

Advanced DNS training course description This two-day hands on DNS training course studies both the UNIX BIND and the Microsoft (MS DNS) implementations. The course follows on from our Definitive DNS for engineers course starting with best practices. The majority of the course is spent on securing DNS and in particular DNSSEC. Some parts are specific to BIND. Students choose whether to use Windows or UNIX for the hands on sessions. What will you learn Implement DNS best practices. Harden DNS servers. Install, configure, maintain and troubleshoot DNSSEC. Advanced DNS training course details Who will benefit: Technical staff wanting to learn DNS including: Network personnel. System administrators. Prerequisites: Total DNS for engineers Duration 2 days Advanced DNS training course contents Best practices MX and PTR records, lame delegations, disallowing recursion, TTLs, online testing. Hands on Review of your DNS servers. Split DNS Partitioning internal and external DNS, views. Hands on Implementing split DNS. Hardening DNS ACLs, recursion, queries, trusted sources, chroot jail, secure BIND template. Hands on Securing the DNS server. DNSSEC What is DNSSEC? DNSSEC benefits, DNSSEC RRs. DNSKEY, RRSIG, NSEC, DS. Hands on Creating DNSSEC keys. Securing zone transfers TSIG, shared secret. Securing DDNS. Hands on Secure file transfers. Zone integrity Trusted anchors, Chains of trust, Zone status, Zone signing, Keys. ZSK, KSK, adding keys to a zone file. Secure delegations. Hands on Zone signing Maintaining Signed zones Key rollover, pre publish, double signing, rollover cache.

Integrating Linux and Microsoft course description This course is designed for the enterprise-level Linux professional and represents the highest level of professional, distribution-neutral Linux certification within the industry. LPIC-3 300 covers administering Linux enterprise-wide with an emphasis on mixed environments. What will you learn Configure and troubleshoot OpenLDAP. Use OpenLDAP as an authentication backend. Manage software packages. Use Samba - Share configuration - User and group management - Domain integration - Name services - with Linux and Windows clients Integrating Linux and Microsoft course details Who will benefit: Enterprise-level Linux professionals. Prerequisites: Delegates must have an active LPIC-2 certification to receive LPIC-3 certification, but the LPIC-2 and LPIC-3 exams may be taken in any order. Duration 5 days Integrating UNIX and Microsoft course contents OPENLDAP CONFIGURATION OpenLDAP replication Replication concepts, OpenLDAP replication, replication log files, replica hubs, LDAP referrals, LDAP sync replication. Securing the Directory Securing the directory with SSL and TLS, Firewall considerations, Unauthenticated access methods, User/password authentication methods, Maintanence of SASL user DB, certificates. OpenLDAP Server Performance Tuning Measure OpenLDAP performance, Tune software configuration to increase performance, indexes. OPENLDAP AS AN AUTHENTICATION BACKEND LDAP Integration with PAM and NSS Configure PAM to use LDAP for authentication, NSS to retrieve information from LDAP and PAM modules in UNIX. Integrating LDAP with Active Directory and Kerberos Kerberos integration with LDAP, Cross platform authentication, Single sign-on concepts, Integration and compatibility limitations between OpenLDAP and Active Directory. SAMBA BASICS Samba Concepts and Architecture Samba daemons and components, key issues regarding heterogeneous network, Identify key TCP/UDP ports used with SMB/CIFS, Knowledge of Samba3 and Samba4 differences. Configure Samba Samba server configuration file structure, variables and configuration parameters, Troubleshoot and debug configuration problems. Regular Samba Maintenance Monitor and interact with running Samba daemons, Perform regular backups of Samba configuration and state data. Troubleshooting Samba Samba logging, Backup TDB files, Restore TDB files, Identify TDB file corruption, Edit / list TDB file content. Internationalization Internationalization character codes and code pages, differences in the name space between Windows and Linux/Unix with respect to share, names, user/group/computer naming in a non-English environment. SAMBA SHARE CONFIGURATION Linux File System and Share/Service Permissions File / directory permission control, Samba interaction with Linux file system permissions and ACLs, Use Samba VFS to store Windows ACLs. Print Services Printer sharing, integration between Samba and CUPS, Manage Windows print drivers and configure downloading of print drivers, security concerns with printer sharing. SAMBA USER AND GROUP MANAGEMENT Managing User Accounts and Groups User and group accounts, mappings, user account management tools, smbpasswd, file/directory ownership of objects. Authentication, Authorization and Winbind Local password database, password synchronization, passdb backends, Convert between passdb backends, Integrate Samba with LDAP, Winbind service, PAM and NSS. SAMBA DOMAIN INTEGRATION Samba as a PDC and BDC Domain membership and trust relationships, Create and maintain a PDC and BDC with Samba3/4, Add computers to an existing domain, logon scripts, roaming profiles, system policies. Samba4 as an AD compatible Domain Samba 4 as an AD DC, smbclient, how Samba integrates with AD services: DNS, Kerberos, NTP, LDAP. Configure Samba as a Domain Member Server Joining Samba to NT4 and AD domains, obtain a TGT from a KDC. SAMBA NAME SERVICES NetBIOS and WINS WINS concepts, NetBIOS concepts, local master browser, domain master browser, Samba as a WINS server, name resolution, WINS replication, NetBIOS browsing and browser elections, NETBIOS name types. Active Directory Name Resolution DNS for Samba4 as an AD Domain Controller, DNS forwarding with the internal DNS server of Samba4. WORKING WITH LINUX AND WINDOWS CLIENTS CIFS Integration SMB/CIFS concepts, remote CIFS shares from a Linux client, securely storing CIFS credentials, features and benefits of CIFS, permissions and file ownership of remote CIFS shares. Working with Windows Clients browse lists and SMB clients from Windows, Share file/print resources from Windows, the smbclient program, the Windows net utility.

OpenView training course description A hands-on course focusing on network management using HP OpenView network node manager on Microsoft Windows or UNIX. What will you learn Recognise the benefits of ADSL. Describe the network management architecture. Use HP OpenView. Diagnose faults using HP OpenView. Recognise the MIB structure. OpenView training course details Who will benefit: Technical staff wanting to learn DNS. Prerequisites: TCP/IP Foundation Duration 2 days OpenView training course contents Network management What is network management?, Benefits, issues, demonstration. Getting started with HP OpenView Starting HP OpenView, IP discovery, IP monitoring, controlling IP discovery. Using HP OpenView Mapping devices, map layouts, maps and submaps, objects and symbols, object attributes, colour codings, polling. Agents Configuring Cisco devices for SNMP support, communities, traps, syslog. Parts of SNMP SNMP architecture, MIB's, The protocol. HP OpenView SNMP configuration HP OpenView alarm browser HP OpenView alarms, alarm categories, filtering alarms, alarm details window. MIB's MIB1, MIB2, The MIB2 groups, additional MIB's, MIB compilers, vendor MIB's. HP OpenView MIB loader and browser. Monitoring devices Polling, obtaining MIB information. Diagnostic tools Poll node, the ping window, protocol test, locate route HP OpenView fault management Alarms, polling, fault management, setting thresholds and configuring traps.

NNMi for engineers training course description A hands on course focusing on network management using Network Node Manager (NNMi) on Microsoft Windows or UNIX. What will you learn Describe the network management architecture. Use NNMi. Diagnose faults using NNMi. Recognise the MIB structure. NNMi for engineers training course details Who will benefit: Network administrators. Network operators. Those wishing to find out more about how their NNMi works. Prerequisites: TCP/IP foundation for engineers Duration 2 day NNMi for engineers training course content Network management What is network management? Benefits, issues, demonstration. Getting started with NNMi Starting NNMi, IP discovery, IP monitoring, controlling IP discovery. Using NNMi Mapping devices, map layouts, maps and submaps, objects and symbols, object attributes, colour codings, polling. Agents Configuring Cisco devices for SNMP support, communities, traps, syslog. Parts of SNMP SNMP architecture, MIBs, The protocol. NNMi SNMP configuration NNMi alarm browser NNMi alarms, alarm categories, filtering alarms, alarm details window. MIBs MIB1, MIB2, The MIB2 groups, additional MIBs, MIB compilers, vendor MIBs. NNMi MIB loader and browser. Monitoring devices Polling, obtaining MIB information. Diagnostic tools Poll node, the ping window, protocol test, locate route NNMi fault management Alarms, polling, fault management, setting thresholds and configuring traps.

Kamailio training course description Kamailio (formerly known as OpenSER) provides a scalable SIP server suitable for small through to carrier grade installations. This course will teach you how to install, configure and troubleshoot the Kamailio product. What will you learn Install Kamailio. Control Kamailio. Configure Kamailio. Troubleshoot Kamailio. Kamailio training course details Who will benefit: Technical staff working with Kamailio. Prerequisites: Definitive SIP for engineers. UNIX fundamentals. Duration 3 days Kamailio training course contents What is Kamailio? What is SER? SER history, OpenSER, versions. Kamailio. Supported platforms, SIP review. Hands on Simple SIP telephony without a SIP server. Installing Kamailio Downloading Kamailio, Installation from source, package installation, CVS, default passwords Hands on Kamailio installation. Controlling Kamailio Starting, stopping and controlling Kamailio. Starting Kamailio automatically at boot time. Hands on Controlling the server First configuration Basic configuration. Hands on SIP telephony with Kamailio. Monitoring Logs, xlog, openserctl, syslog. Hands on Logging. Kamailio architecture Kamailio core, Kamailio modules, file locations, persistent data storage, database structure. Hands on Database integration. Core configuration Keywords, values, parameters, functions, routing blocks, constructs. Hands on Advanced Kamailio configuration. Module configuration Overview of modules available, AAA integration, least cost routing. Redirects Hands on Configuring modules. Architectures DNS integration, peering, OSP, NAT traversal, SIP to GSM. Hands on peering. Asterisk integration Altering tables to work with Asterisk, Asterisk as a voicemail system. Design issues, High availability. Hands on Integrating Kamailio with Asterisk.

Sockets programming training course description A hands on course for programmers using Sockets. It is important to recognise that the course assumes that delegates are already familiar with TCP/IP and Python. Practical exercises follow all the major theory sessions. What will you learn Read Python programs which use Sockets. Write Python programs which use Sockets. Debug Python programs which use Sockets. Sockets programming training course details Who will benefit: Programmers working with network applications. Prerequisites: TCP/IP foundation for engineers Python for network engineers Duration 2 days Sockets programming training course contents What is a socket? Review of IP, ICMP, UDP vs TCP, IP addresses, protocol numbers, ports. API's, UNIX I/O, sockets. SOCK_STREAM, SOCK_DGRAM. Hands on Compile and run code. The systems calls Clients and servers, structs, socket(), bind(), connect(), listen(), accept(), send(), recv(), sendto (), recvfrom(), close(), shutdown(), getpeername(), gethostname(). Hands on Walk through of example client and server code. First code TCP connections, passive opens, active opens. Hands on Write a simple 'hello world' server and client. Application protocols User character stream, ASCII turn taking, binary protocols. Hands on Raw SMTP, Writing a mail client. Clients Concurrency, polling, threads, event driven programming. Hands on Conferencing application. Servers Concurrency, stateful, stateless. Forks and execs. inetd. Hands on Running servers with and without inetd, chroot jails, conferencing server modifications. Advanced techniques Blocking, select(), partial send(s). Raw sockets, example sockets using Java, Perl and PHP. Hands on A broadcast application.

Perl training course description A hands on introduction to programming in Perl. What will you learn Write Perl programs. Use Perl modules. Debug Perl programs. Examine existing code and determine its function. Perl training course details Who will benefit: Anyone wishing to learn Perl. Prerequisites: None although experience in another high level language would be useful. Duration 5 days Perl training course contents Introduction to Perl What is Perl? When to use Perl, downloading Perl, installing Perl, documentation, perldoc, running Perl, the Perl environment. Perl under UNIX, Perl under Windows. "Hello world". Variables Scalars, data types, $_, strings and numbers, assignment, constants, strict, scope, STDIN. Operators Number operators, string operators, precedence and associativity, converting numbers and strings, shortcut operators. Flow control Blocks, if, else, elseif, unless, foreach, while, for do, until. Regular expressions What are regular expressions? Pattern matching, Perl as a filter, file editing. Strings Comparing strings, concatenating, substrings, chomp, chop, formatting, string manipulation. Subroutines Comparing strings, concatenating, substrings, chomp, chop, formatting, string manipulation. Arrays and hashes Working with arrays, element access, push(), pop(), shift(), unshift(), <STDIN> as an array, associative arrays, hashes of arrays, hash references, arrays of hashes, hashes of hashes. Files Simple file handling, open, close, <FILEHANDLE>, <>, file tests, directory access, directory handles, database access, packing and packing binary data. I/O STDIN, STDOUT and STDERR, Command line arguments,@ARGV. Perl debugging The built in debugger, running the debugger, debugger commands, graphical debuggers. Script syntax errors, single stepping, breakpoints, watches. Packages and modules CPAN, Finding modules, installing modules, using modules, scope. Report formatting Formats, defining a format, invoking a format, field holders. Process management System interaction, system(), exec(), signals. Security issues.

Java training course description A comprehensive introduction of the Java language and environment. It is important to note that the course will assume that the delegates are already familiar with the C language as this enables more advanced features of the Java language to be covered in the course. The course will also give an overview of areas related to programming in Java. What will you learn Describe the Java architecture. Write Java applets and applications. Debug Java programs. Examine existing code and determine its function. Use multimedia extensions, the awt, multithreading, exceptions within Java Java training course details Who will benefit: Those wishing to program in Java. Prerequisites: Complete C programming Duration 5 days Java training course contents Review of UNIX fundamentals What is Java? What Java is, history of Java, reasons for success. The Java Virtual Machine, Bytecodes, getting up and running with Java, Java resources. Simple Java applications. C features in Java Java data structures, Java flow control, differences from C, arrays, strings and packages. OO features in Java Java classes and objects, inheritance, overloading, packages. Differences from C++. Java applets Applications vs. applets, HTML, the applet tag, applet methods, life cycle, testing and debugging. Multimedia applets Images, sounds, fonts, colours and animation. Java products The JDK in detail, other development environments. Javabeans and JDBC overviews. Abstract Window Toolkit JFC and Swing versus AWT. Event handling (JDK 1.1), GUIs, panels, buttons, lists, scrollbars, text areas, frames… Exception handling and multithreading Handling exceptions. Starting, pausing, stopping threads, producers, consumers, monitoring. More standard classes Java file I/O, Streams, The system class. The networking model, java.net classes. Security and Java Types of attack, the security manager, craplets, securing the network. Integrating legacy code with Java

Linux shell scripting training course description A practical introduction to writing scripts using the Bourne shell under any Linux operating system. Applicable for those using the Korn shell as well. What will you learn Read shell scripts. Write shell scripts. Use different types of quotes. Recognise the role of shell scripts within the Linux system. Linux shell scripting training course details Who will benefit: Programmers developing programs under UNIX. Administrators / support personnel who wish to find out more about the workings of Linux or write simple utility programs. Prerequisites: Linux Fundamentals Duration 2 days Linux shell scripting training course contents Review of Linux fundamentals Basic shell scripts What does the shell do? How are commands executed? Different shells. what is a shell script? Comments, creating shell scripts. Variables 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 The if statement while loops for loops The case statement. Special characters Redirection of errors, here documents, quoting. Arithmetic in shell scripts The expr command. System shell scripts Screen handling The terminfo database, The tput command. Advanced issues (optional session) Shell functions, getopts, xargs, debugging shell scripts, portability issues. Extras in the Korn shell. Optimising shell scripts The time command, performance tips.