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The docker-compose.yml file is used to define an application's services and includes various configuration options. For example, the build option defines configuration options such as the Dockerfile path, the command option allows one to override default Docker commands, and more. [ 32 ]
A NIS/YP system maintains and distributes a central directory of user and group information, hostnames, e-mail aliases and other text-based tables of information in a computer network. For example, in a common UNIX environment, the list of users for identification is placed in /etc/passwd and secret authentication hashes in /etc/shadow.
The directory stack underlies the functions of these two commands. It is an array of paths stored as an environment variable in the CLI, which can be viewed using the command dirs in Unix or Get-Location -stack in PowerShell. The current working directory is always at the top of the stack.
In software engineering, containerization is operating-system–level virtualization or application-level virtualization over multiple network resources so that software applications can run in isolated user spaces called containers in any cloud or non-cloud environment, regardless of type or vendor. [1]
It is sometimes called the current working directory (CWD), e.g. the BSD getcwd [1] function, or just current directory. [2] When a process refers to a file using a path that does not begin with a / (forward slash), the path is interpreted as relative to the process's working directory.
read a file or list a directory's contents w: write: write to a file or directory x: execute: execute a file or recurse a directory tree X: special execute: See Symbolic modes. s: setuid/gid: See File permissions. t: sticky: See File permissions.
lmctfy ("Let Me Contain That For You", pronounced "l-m-c-t-fi" [1]) is an implementation of an operating system–level virtualization, which is based on the Linux kernel's cgroups functionality.
BOSH packages are always subject to a compilation phase, even if this just extracts files from an archive and copies them to the proper target directory. To compile a given package, BOSH spawns an ephemeral compilation instance (VM or container) that only includes any required packages and blobs, as declared by the package specification.