Realtek rtl8821CE Oracle Linux 7 Setup – Step-by-step Guide
How to Install Realtek rtl8821CE Wireless Driver on Red Hat Enterprise based GNU/Linux 7.x.
Especially relevant, this Driver should be functioning also for the following Realtek Chipsets:
- PCIe: RTL8723DE, RTL8814AE, RTL8821CE, RTL8822BE, RTL8822CE
- SDIO: RTL8723CS, RTL8723DS, RTL8821CS, RTL8822BS, RTL8822CS
- USB: RTL8723DU, RTL8811AU, RTL8811CU, RTL8812AU, RTL8812BU, RTL8812CU, RTL8814AU, RTL8821AU, RTL8821CU, RTL8822BU, RTL8822CU
As for the Lwfinger Rtw88 Driver Documentation.
Finally, this Realtek rtl8821CE Driver Oracle Linux 7 Setup should be working also after a Kernel Upgrade with the Dkms integration.
 
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1. Launching Shell EmulatorOpen a Terminal window 
 (Press “Enter” to Execute Commands)  
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2. Installing DependenciesThen to Install Required Stuff 
 Run:sudo yum group install 'Development Tools' And again: sudo yum install kernel-headers kernel-devel elfutils-libelf-devel 
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