ubuntu 常见小问题记录

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ubuntu常见小问题记录

E: Sub-process /usr/bin/dpkg returned an error code (1)

• 安装软件时常见的小错误．

cd /var/lib/dpkg
    sudo mv info info.bak
    sudo mkdir info
    sudo dpkg --configure -a
    sudo apt-get install -f
    sudo mv /var/lib/dpkg/info/* /var/lib/dpkg/info.bak
    sudo rm -rf /var/lib/dpkg/info
    sudo mv /var/lib/dpkg/info.bak /var/lib/dpkg/info

亲测这种解决方式有效

E: Sub-process /usr/bin/dpkg returned an error code (2)

sudo dpkg --configure -a
sudo apt-get -f install
sudo apt-get clean
sudo apt-get update && sudo apt-get upgrade

gpg: symbol lookup error: /usr/local/lib/libreadline.so.6: undefined symbol: UP

• 安装软件时常见的小错误．

sudo su -
cd /usr/local/lib
mkdir temp
mv /usr/local/lib/libreadline* temp
ldconfig
apt-get update
rm -rf /usr/local/lib/temp 

bash和zsh的切换

切换bash
chsh -s /bin/bash

切换zsh
chsh -s /bin/zsh