1.执行dnf install python3 :bash: /usr/bin/dnf: /usr/bin/python3: bad interpreter: No such file or directory
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 | #原因,安装其他软件导致python 版本同dnf 配置文件里的python 版本不一致[root@192 /]# whereis dnf
 dnf: /usr/bin/dnf /etc/dnf /usr/share/man/man8/dnf.8.gz
 [root@192 /]# vim /usr/bin/dnf
 #!/usr/bin/python3.9
 # The dnf executable script.
 #
 
 
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- error while loading shared libraries: librte_telemetry.so.21: cannot open shared object file: No such file or directory
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 | vim /etc/ld.so.conf#加入so lib path
 如/usr/local/daos/prereq/release/spdk/lib
 ldconfig 更新一下配置
 
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3.ldd 查看 库 no found
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 | vim /etc/ld.so.conf 
 加相应的库路径,如/usr/local/daos/prereq/release/spdk/lib 后ldconfig
 
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