Experience case of script upgrade error due to rpm dependency package at a certain site
2025-03-27 15:42:35
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Problem Description
When upgrading the rpm package according to the chassis deployment guide, the system prompts that the command was not found
Process Analysis
In Windows systems, the line feed character in documents is usually \r, but it cannot be identified in Linux, causing errors during script execution
Solution
Use the command sed -i s/\r// test.sh (where test.sh is the name of the upgrade script) to replace the corresponding \r in the upgrade script, then execute the upgrade.sh script again. The rpm package can be upgraded normally.