The Linux Portal Site
Linux and other operating systems are blessed with powerful tools to retrieve and recover valuable data. However, it is not always possible to recover data on a running system. Sometimes the machine will not even boot. This might arise if the boot loader has become corrupted, there is damage to a partition, or vital operating system files have been lost.
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A configuration management database (CMDB) is a repository of information related to the various components of an information system detailing an organisation’s IT services and the relationships between those components. The purpose of a CMDB is to catalog and track all of the information that an IT department needs to keep.
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A disk usage analyzer is a utility which helps users to visualize the disk space being used by each folder and files on a hard disk or other storage media. This type of application often generates a graphical chart to help the visualization process.
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Human resource management (HRM) is the planned and logical approach to the management of an organization’s most valuable assets – its human capital. This resource individually and collectively represents the key to a business meeting its objectives. HRM plays a vital role in any organization.
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Most components of a web application produce operational log files. Some logs are written by each application in a unique format. Other components generate out-of-the-box logs. Monitoring system logs is an essential activity for anyone charged with taking decisions. System administrators need to monitor logs to look out for unusual activity, to troubleshoot applications and websites that are under their control. By scanning logs, extracting and correlating data, system administrators can investigate and resolve problems, carry out capacity planning, help to detect vulnerabilities, ensure the smooth running of services and balancing capacity, and establish who has used services and when.
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A journaling file system is a special type of file system that maintains a tracking file, called a journal. The journal enables the system to repair any inconsistencies that may arise as a result of a system halted abnormally. It does this by keeping track of changes that are made before committing them to the main file system. In the event that the computer is not shut down properly, any data loss can be recreated. This type of file system is therefore less likely to suffer from corruption, and brings file systems back online quickly.
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Point-of sale (POS) is the location where a transaction takes place. It also refers to the immediate capture of transactions and customer payment information when goods and services are purchased. This data can be obtained using many different devices such as a computer, cash register, barcode scanner, PIN pads, and magnetic card readers.
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Web server benchmarking is a way of determining the performance of a web server with the aim of establishing how well it copes under a sufficiently high workload. Performance testing is important to help maintain continuous system performance.
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Web proxy software forwards HTTP requests without modifying traffic in any way. They can be configured as a transparent proxy with no client-side configuration required. They can also be used as a reverse proxy front-end to websites; here the cache serves an unlimited number of clients for one or some web servers.
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