The following tutorial explains how to divide large numbers with assembly language and where the results end up.
A ZFS clone is a writable copy of a snapshot of a filesystem. Fortunately, a ZFS clone is much simpler than its definition sounds. While a filesystem snapshot is read-only, a writable version can be created through cloning. Just like snapshots, clones are quick to create and use no additional space when they are created.
ZFS snapshots provide point-in-time backups of filesystems which utilize minimal disk space and CPU load. This, combined with the fact that you can make billions of billions of snapshots, makes taking frequent backups of filesystems a realistic possibility. This tech-recipe describes restoring a filesystem from a snapshot.
Of the many cool features of the new ZFS filesystems, one of the coolest is taking snapshots of a live filesystem. This provides a read-only, point-in-time copy of the whole filesystem. While this sounds slow and expensive in disk usage, ZFS makes snapshots efficient in time and space.
Centralizing log messages to a syslog server can improve the manageability of any size network and can decrease response times to resolve problems. Sending router log messages to a remote server also allows longer archiving of messages than in a router’s limited storage. Messages stored by syslog have permanence that a router does not. When a router is reloaded or power cycled, the messages in its log are erased. This tech-recipe describes the configuration steps required to make a router send messages to a remote syslog server.
A router’s log can save your life. Well, at the least, it can save you time and headaches when troubleshooting problems. However, in the heat of battle, old messages in the log can get in the way. After making a change to the router’s configuration, for instance, it is easier to monitor only subsequent messages in the log. Clearing the log is simple.
Messages logged by a router can make troubleshooting problems substantially easier. However, the default size of most Cisco routers is 4096 bytes which typically accommodates fewer than 60 messages. While this may help in many situations, adding some additional space can save the day when a router generates frequent error messages as when an interface state cycles up and down. This tech-recipe describes the simple configuration to increase the size of the router log.
When replacing a faulty router that is not completely dead, it may be possible to copy the startup configuration to the removable flash memory and swap the flash to get the new router up and configured in as short a time as possible. Without this procedure, manually copying the old configuration to the new router will be necessary. This simple command also provides a local backup copy of the router’s config which can save hours of work when replacing a dead router.
Mini Cooper automobiles have the option to be fully configured to a geek’s liking. One feature they offer is the Mini Connected add-on. This lets you connect your smartphone via Bluetooth or USB to access the media and other features. In this tutorial, I will outline how to pair a Bluetooth phone to your Mini Connected system and also enable the Office feature.
In order to use Apache Maven for dependency resolution and automatic resolution of transitive dependencies for software projects on a Windows machine, it is necessary to set the proper Windows Environment Variables. This setup is necessary on all modern versions of Windows, and the steps to do so are also similar for all versions.
Understanding PHP’s numerous built-in functions for manipulating strings is essential if you ever want to be efficient with the language.
ZFS supports a type of RAID-5 redundancy called raidz. This redundancy works at the ZFS pool level and affects all created filesystems in that pool. According to the Sun docs, raidz offers “better distribution of parity [than RAID-5] and eliminates the ‘RAID-5 write hole’ (in which data and parity become inconsistent after a power loss).” Creating RAID volumes in most volume managers (like VeritasVM) requires learning a new language describing the various components involved. ZFS only requires one command.
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