Production Notes — MongoDB Manual
MMAPv1 (Deprecated in MongoDB 4.0)¶Beginning with MongoDB 3.0, MMAPv1 provides collection-level locking: All collections have a unique readers-writer lock that allows multiple clients to modify documents in different collections at the same time. For MongoDB versions 2.2 through 2.6 series, each database has a readers-writer lock that allows concurrent read access to a database, but gives ...
Bootchart is a tool for performance analysis and visualization of the GNU/Linux boot process.
Hercules: Compressed Dasd Emulation
Shadow Files. An compressed CKD or FBA dasd can have more than one physical file. The additional files are called shadow files.The function is implemented as a kind of snapshot, where a new shadow file can be created on demand.An emulated dasd is represented by a base file and 0 or more shadow files. All files are opened read-only except for the current file, which is opened read-write.
Home - Bread Ahead
Bread Ahead bakery and baking school located in Borough Market, London. Experts in British baking, sourdough and gluten free. Regular baking workshops.
How to Display (List) All Jobs in Cron / Crontab | Liquid ...
Reading Time: 2 minutes Servers can automatically perform tasks that you would otherwise have to perform yourself, such as running scripts. On Linux servers, the cron utility is the preferred way to automate the running of scripts. In this article we’ll cover how to view the jobs scheduled in the crontab list.
systemd - ArchWiki
From the project web page: . systemd is a suite of basic building blocks for a Linux system. It provides a system and service manager that runs as PID 1 and starts the rest of the system. systemd provides aggressive parallelization capabilities, uses socket and D-Bus activation for starting services, offers on-demand starting of daemons, keeps track of processes using Linux control groups ...
Mentoring Information - Read Ahead - Readahead
Develop a bond and have fun with your mentee through reading and conversation during one lunch period a week or every other week from September through June.
7 ‘dmesg’ Commands for Troubleshooting and Collecting ...
The 'dmesg' command displays the messages from the kernel ring buffer about lot of information like system architecture, cpu, attached device, RAM etc.
Unix, Linux System Calls - Tutorials Point
Unix, Linux System Calls Manual Pages (Manpages) List, Learning fundamentals of UNIX in simple and easy steps : A beginner's tutorial containing complete knowledge of Unix Korn and Bourne Shell and Programming, Utilities, File System, Directories, Memory Management, Special Variables, vi editor, Processes
syscall(2) - Linux manual page - Michael Kerrisk
SYSCALL(2) Linux Programmer's Manual SYSCALL(2) NAME top syscall - indirect system call SYNOPSIS top #define _GNU_SOURCE /* See feature_test_macros(7) */ #include ...