'ldconfig' not found in PATH or not executable解决方法
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apt-listchanges: Reading changelogs...
Extracting templates from packages: 100%
Preconfiguring packages ...
dpkg: warning: 'ldconfig' not found in PATH or not executable
dpkg: warning: 'start-stop-daemon' not found in PATH or not executable
dpkg: error: 2 expected programs not found in PATH or not executable
Note: root's PATH should usually contain /usr/local/sbin, /usr/sbin and /sbin
E: Sub-process /usr/bin/dpkg returned an error code (2)
出现上面的错误一般是环境变量出现了错误
重置一下默认系统变量即可
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vi ~/.bashrc
export PATH=/sbin:/bin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin
source ~/.bashrc