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  2. Magic SysRq key - Wikipedia

    en.wikipedia.org/wiki/Magic_SysRq_key

    Call oom_kill, which kills a process to alleviate an OOM condition f: u: f: t: When using Kernel Mode Setting, switch to the kernel's framebuffer console. [5] If the in-kernel debugger kdb is present, enter the debugger. g: i: g: d: Output a terse help document to the console Any key which is not bound to a command should also perform this ...

  3. sysfs - Wikipedia

    en.wikipedia.org/wiki/Sysfs

    sysfs is a pseudo file system provided by the Linux kernel that exports information about various kernel subsystems, hardware devices, and associated device drivers from the kernel's device model to user space through virtual files. [1]

  4. cron - Wikipedia

    en.wikipedia.org/wiki/Cron

    This behavior is enforced in some variations of cron, such as that provided in Debian, [8] so that simply restarting the daemon does not re-run @reboot jobs. @reboot can be useful if there is a need to start up a server or daemon under a particular user, and the user does not have access to configure init to start the program.

  5. High availability - Wikipedia

    en.wikipedia.org/wiki/High_availability

    Availability refers to the ability of the user community to obtain a service or good, access the system, whether to submit new work, update or alter existing work, or collect the results of previous work. If a user cannot access the system, it is – from the user's point of view – unavailable. [2]

  6. Scheduling (computing) - Wikipedia

    en.wikipedia.org/wiki/Scheduling_(computing)

    The scheduler is an operating system module that selects the next jobs to be admitted into the system and the next process to run. Operating systems may feature up to three distinct scheduler types: a long-term scheduler (also known as an admission scheduler or high-level scheduler), a mid-term or medium-term scheduler, and a short-term ...

  7. Linux kernel version history - Wikipedia

    en.wikipedia.org/wiki/Linux_kernel_version_history

    The new EEVDF process scheduler was merged. It aims to replace the CFS scheduler. Intel Shadow Stack was finally merged; Exploiting ROPs is now harder; Support for Partial SMT; Performance Improvement for CPUs with a lot of cores and shared Last Level Caches; Continued Intel Meteor Lake graphics and sound enablement/improvements.

  8. Wake-on-LAN - Wikipedia

    en.wikipedia.org/wiki/Wake-on-LAN

    A physical Wake-on-LAN connector (white object in foreground) featured on the IBM PCI Token-Ring Adapter 2. Wake-on-LAN (WoL or WOL) [a] is an Ethernet or Token Ring computer networking standard that allows a computer to be turned on or awakened from sleep mode by a network message.

  9. Error message - Wikipedia

    en.wikipedia.org/wiki/Error_message

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