IBM AIX TRAINING
IBM AIX ONLINE TRAINING COURSE INTRODUCTION:
IBM AIX Training at Global Online Trainings – Managing of AIX files and directories, purpose of the shell, use of VI editor can be explained during the course. By joining the IBM AIX Training, you will be able to execute common AIX commands and you can also manage AIX processes. To use the AIX Windows environment, Common desktop environment and common AIX utilities can be known perfectly after completion of the course. Register yourself for best IBM AIX 7.X Online Training. For more help reach our help desk.
AIX Online training is arranged on virtual interaction mode and divided into flexi modules for best advantages of participants. IBM AIX Training tutorials are also provided by experienced trainers.
Prerequisites for IBM AIX Training:
To learn IBM AIX Training at Global Online Trainings, the person must have knowledge on:
- Linux administration
- Having knowledge on Networking helps to learn IBM AIX Training.
Overview of IBM AIX Training:
There are many modules like UNIX devices, paging stage, LVM, Networking etc., that are explained during the IBM AIX Training.
UNIX File system:
The UNIX file system is a file system used by many Unix operating systems. It defines the way that how you can store the data and how you can retrieve the data. The file system has two important components. They are directories and files.
UNIX file system is similar to cupboard. A cupboard contains small sections which can be called as partitions in your hard disk. In computer terms within sections you can find small compartments. So similarly within the hard disk partitions, you have directories. So directories are nothing but small part of the hard disk within the small partition, small parts are called as directories. And the file system also contains files. These files actually store the content data. Content is actually a data which you want to store in your UNIX file system.
The Unix Architecture is a combination of hardware, kernel, shell, application software and user.
Hardware is a physical component of a computer. But, it is not possible for us to work with the physical component directly. This is the basic problem of the user. Above the hardware we can find Kernel.
Kernel acts as a heart of the operating system. It performs all the low-level activities and deals with the hardware. The operating system will have the knowledge that which sector of memory is full and which sector of memory is empty. So, if you give the instruction to the operating system to store your file, then operating system knows where the file will be placed and where the space of memory is available. And operating system places the file in the empty place. So this is the working of kernel. The file management, process scheduling, deadlock handling activities are performed by the Kernel. The user can directly interact with the kernel.
Shell is present above the kernel. Shell plays a vital role in Unix and Linux systems. Shell is a collection of commands that are placed in one place. The commands in shell are cd command, cat command, mkdir etc., UNIX is launched with command based user interface. Shell is said to be as a Terminal in UNIX.
Terminal executes your command and performs your task. The shell deals with the kernel directly. And the kernel deals with the hardware. Thus your task will be done. It is the basic functionality of Shell.
Application software is present above the Shell and user is present above the application software. This is the general architecture of UNIX.
LVM means Logical Volume Manager. LVM creates an alternative to the traditional process of creating disk partitions and mounting them in the Linux file system. It is used to create volume groups from various storage devices in our system. Then from the volume group; we can allocate space to specific logical volumes which are managed by the logical volume manager.
The great thing about LVM is the fact that it provides you with a huge degree of flexibility when you are allocating space on your system.
In IBM AIX Online Training, let us consider an example, if we have two LVM volumes on a Linux system, then the first one is mounted in /opt. Where various applications are installed and the other one is installed at /var. Where we store log files, print queues and so on.
Because of the type of data that is stored in /var, it is possible for the logical volume that is mounted in /var to run out of disk space at some point. If we have a ton of users on the system, then they send a lot of email, print jobs and log files are growing. So the size required for this volume increases over time. On the other hand,/opt directory doesn’t need a lot of space. Once we get applications installed, then we only need a little bit of space for a few minor changes. It is not necessary to have a ton of space.
Using LVM, we can take some of the space that is allocated to the logical volume mounted at /opt and then move it to the logical volume mounted at /var and the whole process can be done seamlessly, transparently while the system remains running and servicing – IBM AIX Training. This process can also be done with the disk partitions. But it is difficult. LVM also allows you to dynamically add space to the system.
IBM PowerVM software provides virtualization for IBM power systems, creating a dynamic infrastructure in which workloads can be consolidated to improve service levels, reduce costs and manage risk to improve service. PowerVM software allows dynamic resource movement which means you can move workloads across hardware systems live without disrupting operations to reduce costs. PowerVM software adds micro partitioning to power systems partitioning capabilities. This makes it possible to divide cores into more partitions than ever before.
To manage risk, PowerVM software enables live partition mobility. So we can move running partitions between systems as needed on the spot. This makes it easy to balance workloads and allows you to eliminate planned system outages.
PowerVM software runs workloads from multiple platforms as a result; benefits like live migration are no longer limited to a single type of workload. And system administrators no longer need to have multiple skills to work with multiple virtualization solutions.
It is explained in IBM AIX Training that,With PowerVM software, power systems can also support a broad range of enterprise applications, regardless of the hardware platforms on which the applications were developed. IBM PowerVM software for enterprise wide consolidation helps improve service, reduce costs and manage risk on IBM Power systems.
- ITIL means Information Technology Infrastructure library. Staff and IT departments use ITIL to better serve their customers and users. But, by using the guidelines set out in the ITIL framework, IT departments can develop best practices and improve the way that different teams interact and manage the IT infrastructure within their business.
- ITIL deals with the problems and improves the service.
- ITIL includes five different processes carried out by IT department. They are Service strategy. It consists of assessing the current situation and the customer needs and forming a strategy to align the IT department with the core business.
- Service design consists of planning and designing the services provided by IT, that supports the business. Service transition consists of assuring the smooth transition of new and revised services from a development phase into an operational phase.
- Service operation consists of managing operations to ensure that services are delivered within the agreed-upon service levels.
- Continual service improvement consists of the process of identifying opportunities to continually improve services and implementing those improvements with the goal of constantly providing better service to the business and customers.
- ITIL produces an ITIL process map that describes how all the processes fit together and is managed by the process owner.
- ITIL function is a group of people responsible for carrying out a given task. ITIL uses the key performance indicators (KPIs) to measure the IT departments.
- Performance, progress, problems and improve service are the KPIs of ITIL.
- ITIL is a framework. It is very flexible, scalable and versatile.
Paging space – IBM AIX Training
A page is a unit of virtual memory that holds 4KB of data and that can be transferred between real storage. It basically comes between a memory and of CPU. Whenever a memory gets filled up, we cannot open or we cannot create any new process. In that case, paging space is more useful.
Whenever the real memory gets filled up, then a lot of inactive pages in the memory will be moved to the operating space and our new pages will be created for new processors. So that, we can still work on the system, and we can open or create new processes and this helps whenever memory gets filled up. The paging activity between a memory and the paging space will be very high. So we need to have a appropriate memory and paging space for a reporting of our system.
The paging space is also called as swap space. It is nothing but a logical volume with attributes type equal to paging. This type of logical volume is referred to as a paging space logical volume or simply filling space.
The paging space present in windows is said to be as virtual space. Generally, in windows virtual spaces are automatically managed by the windows operating system. Whereas, in Aix, when we install the operating system, by default there will be a paging space called as Hd6.
We can even create a new logical volume for a additional paging space. So the default paging space size is determined during the system customizing space of Aix installation. Paging space can use no more than 20% of total disk space. The more detailed information about the paging space can be explained during the IBM AIX Training.
TCP/IP model – IBM AIX Training
The TCP/IP model is a simplified stack comprised of four layers. They are; application layer transparent layer, internet layer and the link layer. The link layer identifies and moves traffic across local segments or physical links. While the internet layer identifies the intended network and host wherever it may be on the global network. Under this model, internet traffic moves analogous to mail in the postal system.
TCP/IP is a family of protocols that makes modern network communications possible. The first step to understand data transfer protocols like TCP IP, It understands what data networks are and how they work. A data network is a group of networks. SMIT means System management interface tool. It is a command that is available in AIX. All the advanced topics will be discussed during the IBM AIX Training.
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