What is a System Administrator?
What is a System Administrator? In computing world, the title of systems administrator refers to the person who is responsible for the servers of an organization (company, organization,...
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Vmware: How to Add a vmkernel
To do this, go to esxi in the tab configuration, network dvSwitch and click Manage Virtual Adapters: Then click add: And create a new virtual adapter: Select the correct port group: hen enter the...
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Prevent memory overrun on a Linux server
Default Linux has a complex mechanism called OOM-Killer (for Out-Of-Memory Killer), it is incorporated into the Linux kernel and allow for exceeding memory and kill unnecessary processes to avoid a...
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Keyboard shortcuts of Vi / Vim
Vi is a text editor extremely powerful command line, although once mastered, it saves our valuable time. One of the shortcomings of Vi, it is not very user friendly and can be used via many keyboard...
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SSH and initial configuration of a dedicated server
How to connect via SSH command line to the dedicated server to administer whole server? Initial Server Setup, how to log in as root, how to edit files,etc:- These accesses are created either by...
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