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The cached files can be deleted without loss of data. /var/lib: State information. Persistent data modified by programs as they run (e.g., databases, packaging system metadata, etc.). /var/lock: Lock files. Files keeping track of resources currently in use. /var/log: Log files. Various logs. /var/mail: Mailbox files.
Folder Redirection allows saving data regardless of storage location and separates user data from profile data decreasing the time required to log on. Other advantages include: [2] Data is stored on a server where it can be backed up; If the same redirection is applied to multiple users, all data is stored in the one location
Common Log File System (CLFS) is a general-purpose logging subsystem that is accessible to both kernel-mode as well as user-mode applications for building high-performance transaction logs. It was introduced with Windows Server 2003 R2 and included in later Windows operating systems.
In Unix shells derived from the original Bourne shell, the first two actions can be further modified by placing a number (the file descriptor) immediately before the character; this will affect which stream is used for the redirection. [5]
A log-structured filesystem is a file system in which data and metadata are written sequentially to a circular buffer, called a log.The design was first proposed in 1988 by John K. Ousterhout and Fred Douglis and first implemented in 1992 by Ousterhout and Mendel Rosenblum for the Unix-like Sprite distributed operating system.
Unionfs can also be used to create a single common template for a number of file systems, or for security reasons. It is sometimes used as an ad hoc snapshotting system. Docker uses file systems inspired by Unionfs, such as Aufs, to layer Docker images. As actions are done to a base image, layers are created and documented, such that each layer ...
XDP_REDIRECT: redirect the packet to another NIC or user space socket via the AF_XDP address family XDP requires support in the NIC driver but, as not all drivers support it, it can fallback to a generic implementation, which performs the eBPF processing in the network stack, though with slower performance.
A server log is a log file (or several files) automatically created and maintained by a server consisting of a list of activities it performed. A typical example is a web server log which maintains a history of page requests. The W3C maintains a standard format (the Common Log Format) for web server log files, but other proprietary formats ...