Ubuntu: show default gateway
Here is how to display the default gateway on Ubuntu from the command line. Ubuntu 20.04 + (without net tools) ip route…
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# Network
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Crowdsec: secure your web server network – installation and configuration
In this tutorial, I will explain to you how to secure the network part of your web servers with Crowdsec. The tutorial…
Use the hosts file to simulate a DNS record on Windows
Location of the hosts file : C:\Windows\System32\drivers\etc. Pour ajouter un enregistrement : 1. Start notepad as administrator. 2. Open the hosts file…
Hyper-V : create a NAT switch
In this tutorial, I will explain how to create a NAT switch (virtual switch) on Hyper-V. Before getting into the technical explanations,…
Testing the bandwidth on a local network with iPerf
IPerf overviewPreparing for the bandwidth testBandwidth testStart on the serverTest bandwidth from the client IPerf overview iPerf is a client / server…
Windows firewall, force domain profile
In this tutorial, I will explain how to change the network profile of the firewall on Windows. It happens that after a…
Hyper-V: the different virtual switches
In this tutorial, I will tell you how to create a virtual switch on Hyper-V and tell you the difference between the…
Modify the subnet mask of a DHCP scope on Windows Server
IntroductionPreparationModify the subnet maskExport the scope configurationModify the scope configurationDelete scopeImport new scope configurationValidate the import of the scopeConclusion Introduction In this…
Hyper-V: Create a virtual switch
PresentationCreate a virtual switchAdditional information about virtual switches Presentation A virtual switch in Hyper-V is a virtual switch that allows the connection…
Network Card Association with Windows Server – Network Teaming
Presentation of the Network TeamingPreparationConfiguring a network adapter association Presentation of the Network Teaming Teaming consists of grouping several network cards into…
BranchCache – Installation and Configuration
In this tutorial, we will set up a cache system on file servers to speed up access for remote sites. For that…
GPO: Managing Windows Firewall Rules
PresentationConfiguring Group Policy (GPO)Conclusion Presentation In this tutorial, we will see how to add rules to the Windows Firewall using Group Policy.…
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