Backup & Recovery: Inexpensive Backup Solutions for Open by W. Curtis Preston

By W. Curtis Preston

I even have this e-book in EPUB and PDF as retail (no conversion).

Packed with sensible, freely to be had backup and restoration ideas for Unix, Linux, home windows, and Mac OS X structures -- in addition to numerous databases -- this new consultant is an entire overhaul of Unix Backup & restoration via an analogous writer, now revised and extended with over seventy five% new material.

Packed with useful, freely to be had backup and restoration recommendations for Unix, Linux, home windows, and Mac OS X platforms -- in addition to quite a few databases -- this new consultant is an entire overhaul of Unix Backup & restoration by means of an identical writer, now revised and extended with over seventy five% new material.

Backup & restoration starts off with an entire evaluate of backup philosophy and layout, together with the fundamental backup utilities of tar, unload, cpio, ntbackup, ditto, and rsync. It then explains a number of open resource backup items that automate backups utilizing these utilities, together with AMANDA, Bacula, BackupPC, rdiff-backup, and rsnapshot. Backup & restoration then explains how one can practice naked steel restoration of AIX, HP-UX, Linux, Mac OS, Solaris, VMWare, & home windows structures utilizing freely-available utilities. The e-book additionally offers overviews of the present nation of the industrial backup software program and marketplace, together with overviews of CDP, info De-duplication, D2D2T, and VTL know-how. ultimately, it covers the best way to automate the backups of DB2, trade, MySQL, Oracle, PostgreSQL, SQL-Server, and Sybase databases - with out procuring a advertisement backup product to do so.

For environments of all sizes and budgets, this particular booklet exhibits you the way to make sure info safeguard with out resorting to dear advertisement suggestions. you'll soon study to:

Automate the backup of well known databases and not using a advertisement utility
practice naked steel restoration of any well known open platforms platform, together with your laptop or laptop
make the most of priceless yet frequently unknown open resource backup products
comprehend the country of industrial backup software program, together with motives of CDP and knowledge de-duplication software
entry the present kingdom of backup undefined, together with digital Tape Libraries (VTLs)

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Procedures and their required modes Procedure Applicable Role(s) Applicable Peer Mode(s) Observation Observer Broadcast Limited discovery Central Limited discoverable General discovery Central Limited and General discoverable Name discovery Peripheral, central N/A Any connection establishment Central Any connectable Connection parameter update Peripheral, central N/A Terminate connection N/A Peripheral, central Chapter 1 and Chapter 2 introduced the basic concepts of over-the-air data exchange in BLE, but it is worth reviewing them briefly here.

Each connection starts its lifetime in security mode 1, level 1, and can later be upgraded to any of the security modes by means of encryption or data signing. It is important to know that a link can be downgraded from mode 1, level 3, to mode 1, level 2 by switching encryption keys, but encryption can never be disabled in the lower layers, making it impossible to go down from security mode 1, level 2. Security Modes and Procedures Along with all the modes and procedures detailed in previous sections, GAP also defines additional ones related to security establishment and enforcement.

Undirected connectable mode A device in this mode sends ADV_IND advertising packets (see Table 2-1). This is the standard connectable mode, through which a peripheral makes itself connectable for a longer period of time and may be trying to connect to a new central or to one that is already previously known by it. Both connectable modes implicity require the device to send the advertising packets with the intent to connect to a central. Connection establishment procedures Because a central device has no means to select which advertising packet types it will receive when scanning with the intent to connect (they will always be of type ADV_IND or ADV_DIRECT_IND), the distinctions between connection establishment procedures do Modes and Procedures | 41 not depend on types of advertising packets.

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