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# 5.14 离线安装软件
当没有网络连接的电脑上需要安装某个软件时,可以使用下面的脚本下载该软件以及依赖包,在脱机电脑上执行:
`sudo dpkg -i *.deb`
如果上述安装命令最后报错,则需要执行:`sudo apt install -f`
如果提示缺少软件包依赖则拷贝依赖包名例如XXX在有网络的电脑上执行`apt download XXX`下载,再拷贝到脱机电脑上双击安装即可。
批量下载脚本如下:
```bash
#! /bin/bash
pkg="$*"
function getDepends()
{
ret=`apt-cache depends $1 |grep -i 依赖 |sed 's/(.*)//' |cut -d: -f2`
if [[ -z $ret ]]; then
echo "$1 No depends"
echo -n
else
# echo $ret
# apt-cache depends $1 |grep -i 依赖
# echo ''
for i in $ret
do
if [[ `echo $pkg |grep -e "$i "` ]]; then
# echo "$i already in set"
echo -n
elif [[ $i =~ '<' ]]; then
echo "Drop $i"
elif [[ "$i" != "libc6" &&
"$i" != "libcairo2" &&
!("$i" =~ "glib") &&
!("$i" =~ "gtk") &&
!("$i" =~ "font")
]]; then
# echo "Download $i ing"
pkg="$pkg $i"
getDepends $i
fi
done
fi
}
for j in $@
do
getDepends $j
done
apt download $pkg -d -y
```