First of all, edbutil /d /r (Exchange 4.0 and 5.0) or eseutil /p (Exchange 5.5) is strictly a last resort for repairing a database file: it fixes only low-level database corruption (bad pages). The isinteg -fix command works at the information store level, fixing objects, schemes, and other high-level data/structure problems. If for some reason you don’t have a backup to restore from or… Read More »
Mtools is a public domain collection of tools to allow Unix systems to manipulate MS-DOS files: read, write, and move around files on an MS-DOS filesystem
The Open Systems Interconnection (OSI) model began as a reference model, but has since been implemented. It was created by the International Organization for Standardization (ISO) to provide a logical framework for how data communication processes should interact across networks. Standards were created for the computer industry allowing different networks to work together efficiently.
The sequence of events the bootstrap code follows to find the image follows.
Routing is the process by which an item gets from one location to another. Many items get routed: for example, mail, telephone calls, and trains. In networking, a router is the device used to route traffic. The routing information a router learns from its routing sources is placed in its routing table. The router will rely on this… Read More »
To understand why the UNIX operating system has so many commands and why it’s not only the premier multi-user, multitasking operating system, but also the most successful and the most powerful multichoice system for computers, you’ll have to travel back in time. You’ll need to learn where UNIX was designed, what were the goals of the original programmers,… Read More »
A router is a device that connects two or more packet-switched networks or subnetworks. It serves two primary functions, described below.
Stand for InterFace CONFIGurator – display your ip address, network interfaces, transferred and received data information, configure a network interface.
Make links between files, by default, it makes hard links; with the ‘-s’ option, it makes symbolic (or “soft”) links.
A flexible tool for interrogating DNS name servers. It performs DNS lookups and displays the answers that are returned from the name server(s) that were queried. Most DNS administrators use dig to troubleshoot DNS problems because of its flexibility, ease of use and clarity of output. Other lookup tools tend to have less functionality than dig.