变更源
sudo sed -i "s@http://archive.ubuntu.com@http://mirrors.aliyun.com@g" /etc/apt/sources.list
sudo sed -i "s@http://security.ubuntu.com@http://mirrors.aliyun.com@g" /etc/apt/sources.list
sed -i -r 's#http://(archive|security).ubuntu.com#https://mirrors.aliyun.com#g' /etc/apt/sources.list && apt-get update
sudo sed -i "s@http://archive.ubuntu.com@https://mirrors.tuna.tsinghua.edu.cn@g" /etc/apt/sources.list
sudo sed -i "s@http://security.ubuntu.com@https://mirrors.tuna.tsinghua.edu.cn@g" /etc/apt/sources.list
查看文件夹大小
# /usr下各文件夹大小
du -h --max-depth=1 /usr
# 当前文件夹大小
du -sh
中文乱码
apt-get install language-pack-zh-hans fonts-droid-fallback ttf-wqy-zenhei ttf-wqy-microhei fonts-arphic-ukai fonts-arphic-uming
echo -e "\nLANG=\"zh_CN.UTF-8\"\nLANGUAGE=\"zh_CN:zh:en_US:en\"" >> /etc/environment
echo -e "en_US.UTF-8 UTF-8\nzh_CN.UTF-8 UTF-8\nzh_CN.GBK GBK\nzh_CN GB2312" > /var/lib/locales/supported.d/local
locale-gen
基础软件
sudo apt install net-tools iputils-ping git vim
java
tar zxvf jdk-7u80-linux-x64.tar.gz
mv jdk1.7.0_80 /usr/lib/jvm
sed -i 's@"@:/usr/lib/jvm/jdk1.7.0_80/bin"@2' /etc/environment
echo 'JAVA_HOME="/usr/lib/jvm/jdk1.7.0_80"' >> /etc/environment
source /etc/environment
update-alternatives --install "/usr/bin/java" "java" "/usr/lib/jvm/jdk1.7.0_80/bin/java" 0
update-alternatives --install "/usr/bin/javac" "javac" "/usr/lib/jvm/jdk1.7.0_80/bin/javac" 0
update-alternatives --set java /usr/lib/jvm/jdk1.7.0_80/bin/java
update-alternatives --set javac /usr/lib/jvm/jdk1.7.0_80/bin/javac
apt-cache search openjdk-8 | grep openjdk-8
apt install -y openjdk-8-jdk
update-alternatives --config java