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pstree is a Linux command that shows the running processes as a tree [1] [2] [3]. It is used as a more visual alternative to the ps command. The root of the tree is either init or the process with the given pid. It can also be installed in other Unix systems. In BSD systems, a similar output is created using ps -d, in Linux ps axjf [4] produces ...
Spacewalk Server: Server represents managing System It is possible to set up primary and worker servers, and even a tree setup is possible [6] There are options for geographically remote proxy servers [7] Spacewalk Client: A system managed by a Spacewalk server Compatible Client OS's are drawn from: Red Hat Enterprise Linux (RHEL) CentOS; Fedora
Development, testing, acceptance and production (DTAP) [1] [2] is a phased approach to software testing and deployment. The four letters in DTAP denote the following common steps: Development: The program or component is developed on a development system. This development environment might have no testing capabilities.
The process of smoke testing aims to determine whether the application is so badly broken as to make further immediate testing unnecessary. As the book Lessons Learned in Software Testing [ 8 ] puts it, "smoke tests broadly cover product features in a limited time [...] if key features don't work or if key bugs haven't yet been fixed, your team ...
Tests are run in a separate process, so Check can catch both assertion failures and code errors that cause segmentation faults or other signals. The output from unit tests can be used within source code editors and IDEs. Can output to multiple formats, like the TAP format, JUnit XML or SubUnit. Supports Linux, macOS, FreeBSD, Windows. Cmocka ...
The Completely Fair Scheduler (CFS) was a process scheduler that was merged into the 2.6.23 (October 2007) release of the Linux kernel. It was the default scheduler of the tasks of the SCHED_NORMAL class (i.e., tasks that have no real-time execution constraints) and handled CPU resource allocation for executing processes , aiming to maximize ...
ptrace is a system call found in Unix and several Unix-like operating systems.By using ptrace (an abbreviation of "process trace") one process can control another, enabling the controller to inspect and manipulate the internal state of its target. ptrace is used by debuggers and other code-analysis tools, mostly as aids to software development.
Capybara is a Ruby library (also referred to as a gem) that is used with an underlying web-based driver.It consists of a user-friendly DSL (Domain Specific Language) which describe actions that are executed by the underlying web driver.