ICT Knowledgebase
ICKTB is team of experience and expert in ICT industry sharing their knowledge.
The chmod command is used to change the permissions of a file or directory. Only the root user or the user who owns the file is able to change the permissions of a file. There are two techniques for changing permissions with...
Permissions determine the ways different users can interact with a file or directory. When listing a file with the ls -l command, the output includes permission information. For the example we will use a script...
There are many Linux commands which deal with sensitive information like passwords, system hardware, or otherwise operate under other exceptional circumstances. Preventing regular users from executing these commands helps to protect the system....
The ls command is used to list the contents of a directory. You’ve already seen it used a few times before in examples, but this page will help ensure you are comfortable with its use. ls [OPTIONS] [FILE] By default, when...
In order to discover where you are currently located within the filesystem, the pwd command can be used. The pwd command prints the working directory, your current location within the filesystem: pwd [OPTIONS] The output of...
There are two main planes that make up a firewall, the data plane and the management plane, which are physical or logical boards that perform specific functions. All platforms have a management plane....
Endpoint device security is most important concern for every for everyone either for personal or business device. If you want to add an extra layer of security to your laptop/pc you can add fingerprint authentication. Microsoft’s Windows Hello...
A Network Packet Broker (NPB) resides between taps and SPAN ports. They can access network data and sophisticated security and monitoring tools that typically reside in data centers. NPB’s do just what their name says: they break network packet...
Shadow IT is the use of information technology systems, devices, software, applications, and services without explicit IT department approval. It has grown exponentially in recent years with the adoption of cloud-based applications and...
SD-WAN (Software-Defined Wide Area Network) and MPLS (Multiprotocol Label Switching) are both types of networking technology used to connect remote networks, but they have some key differences. Multiprotocol Label Switching (MPLS) is a technology...
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