Linux图片转换—imagemagick

sudo apt-get install imagemagick

convert xxx.jpg xxx.png 将jpg转成png
convert xxx.jpg -crop 400x200 out.jpg 将原图分割成多个400(长度)x200(高度)

常用网站

常用镜像/软件/资源(建议使用多线程下载)

apt代理

sudo apt -o Acquire::http::proxy="<http://172.27.176.1:7890/>" install *********

Ubuntu18.04阿里源

deb <http://mirrors.aliyun.com/ubuntu/> bionic main restricted universe multiverse
deb-src <http://mirrors.aliyun.com/ubuntu/> bionic main restricted universe multiverse

deb <http://mirrors.aliyun.com/ubuntu/> bionic-security main restricted universe multiverse
deb-src <http://mirrors.aliyun.com/ubuntu/> bionic-security main restricted universe multiverse

deb <http://mirrors.aliyun.com/ubuntu/> bionic-updates main restricted universe multiverse
deb-src <http://mirrors.aliyun.com/ubuntu/> bionic-updates main restricted universe multiverse

deb <http://mirrors.aliyun.com/ubuntu/> bionic-proposed main restricted universe multiverse
deb-src <http://mirrors.aliyun.com/ubuntu/> bionic-proposed main restricted universe multiverse

deb <http://mirrors.aliyun.com/ubuntu/> bionic-backports main restricted universe multiverse
deb-src <http://mirrors.aliyun.com/ubuntu/> bionic-backports main restricted universe multiverse

Debian9阿里源

deb <http://mirrors.aliyun.com/debian/> stretch main non-free contrib
deb-src <http://mirrors.aliyun.com/debian/> stretch main non-free contrib
deb <http://mirrors.aliyun.com/debian-security> stretch/updates main
deb-src <http://mirrors.aliyun.com/debian-security> stretch/updates main
deb <http://mirrors.aliyun.com/debian/> stretch-updates main non-free contrib
deb-src <http://mirrors.aliyun.com/debian/> stretch-updates main non-free contrib
deb <http://mirrors.aliyun.com/debian/> stretch-backports main non-free contrib
deb-src <http://mirrors.aliyun.com/debian/> stretch-backports main non-free contrib

Debian10阿里源

deb <http://mirrors.aliyun.com/debian/> buster main non-free contrib
deb-src <http://mirrors.aliyun.com/debian/> buster main non-free contrib

deb <http://mirrors.aliyun.com/debian-security> buster/updates main
deb-src <http://mirrors.aliyun.com/debian-security> buster/updates main

deb <http://mirrors.aliyun.com/debian/> buster-updates main non-free contrib
deb-src <http://mirrors.aliyun.com/debian/> buster-updates main non-free contrib

deb <http://mirrors.aliyun.com/debian/> buster-backports main non-free contrib
deb-src <http://mirrors.aliyun.com/debian/> buster-backports main non-free contrib