A technical tutorial demonstrating how to update yum repositories on a Linux virtual machine: installing wget, configuring DNS/resolv.conf and network settings, backing up and replacing CentOS yum repo files, cleaning and rebuilding yum cache, and common yum commands.
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![[Function Test] DH-IPC-HFW8238E-Z-IRA](https://debugland.name/wp-content/uploads/2025/11/0-7818-480x270.jpeg)
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