VIKHOST Tech Blog
Useful Technical Articles, Notes and Instructions.
How to disable NetworkManager on CentOS

How to disable NetworkManager on CentOS

How to disable NetworkManager on CentOS — Below you can find how to disable NetworkManager service. 1. Command how to check interfaces are managed by NetworkManager # nmcli device status Mentioned command displays table with lists all network interfaces along with their STATE. If Network Manager is not controlling an interface, its STATE will be listed as unmanaged. Any other value indicates the interface is under Network Manager control. 2. How to stop the NetworkManager service: # systemctl stop NetworkManager 3. For disabling the NetworkManager service permanently: # systemctl disable NetworkManager 4. For confirming that NetworkManager service has been disabled ...
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http_status_code | VIKHOST

HTTP Status Codes

HTTP - Status Codes - Server Response Code it is server response 3-digit integer, the first digit it is defines the class of response and the last two digits do not have any categorization role. Below you can find the most popular the Server Response Codes: 1XX Informational 100 Continue - This is a kind of confirmation from the server that the initial request has been successfully accepted, you can continue the actions that you have started (for example, scanning). 101 Switching Protocols The server switches protocol. 102 Processing - the request is received by the server, and at ...
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How to make password entry in the terminal visible

How to make password entry in the terminal visible

How to make password entry in the terminal visible — Each time when you use sudo, the terminal asks you to enter the user password. This is a great security measure! But the terminal does not offer any visual feedback when entering the password. This is often confusing. Adding such a relationship is quite simple, as a result of which we will see “an asterisk” when entering. Open the terminal (often by pressing Ctrl + Alt + T) and enter: # sudo vi / etc / sudoers Find the line: # Defaults env_reset and replace it with: # Defaults env_reset,pwfeedback ...
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What is IPMI

What is IPMI

What is IPMI -    IPMI (Intelligent Platform Management Interface) is an interface for remotely monitoring and managing the physical state of a server. IPMI is analogous to the well-known IP-KVM, iLo, iDRAC, IMM. IPMI features:   - remote power on/off and restart of the server;   - monitoring of temperature, voltage and cooling system;   - remote connection to the media server (for example, for installing OS and software);   - account management and user rights (there is support for LDAP and Active Directory);   - access port management and SSL certificate access security;   - setting up notifications about server operation. You can ...
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