What is OpenStack?
OpenStack is a cloud operating system that controls large pools of compute, storage, and networking resources throughout a data center. These components are managed with …
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How to Determine What Hardware Is In a Linux Server
Computer hardware is the term for the physical components that make up a computer system. These include the case, CPU, RAM, monitor, mouse, keyboard, storage …
What is Docker and What are Its Features?
What is Docker? Docker is an open source platform for developers and system administrators to build, ship, and run distributed applications based on Linux containers. …
How does memory overcommit affect PostgreSQL?
In Linux 2.4 and later, the default virtual memory behavior is not optimal for PostgreSQL. Because of the way that the kernel implements memory overcommit, …
How do I perform tuning with sysctl?
sysctl is an interface that allows you to make changes to a running FreeBSD system. This includes many advanced options of the TCP/IP stack and …
How do I install IIS SMTP?
IIS SMTP Service is a high performance SMTP server on Windows NT/2000/XP. We can use it to send email easily with ANSMTP. The following things …
What is the recommended partitioning scheme?
A swap partition (at least 256 MB) — swap partitions are used to support virtual memory. In other words, data is written to a swap …
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