1 、安装Axel
1.1 RPM安装Axel(方法一)
# yum localinstall ftp://195.220.108.108/linux/epel/7/x86_64/y/yum-axelget-1.0.5.1-1.20140522gitad6fb3e.el7.noarch.rpm
1.2 yum安装Axel(方法二)
# yum install axel -y
1.3 Debian/Ubuntu安装Axel:
$ sudo apt-get install axel
例如:
# axel [options] url1 [url2] [url...]
--max-speed=x , -s x 最高速度x --num-connections=x , -n x 连接数x --output=f , -o f 下载为本地文件f --search[=x] , -S [x] 搜索镜像 --header=x , -H x 添加头文件字符串x(指定 HTTP header) --user-agent=x , -U x 设置用户代理(指定 HTTP user agent) --no-proxy , -N 不使用代理服务器 --quiet , -q 静默模式 --verbose ,-v 更多状态信息 --alternate , -a Alternate progress indicator --help ,-h 帮助 --version ,-V 版本信息
2、实例:
2.1、10个线程下载lnmp安装包
# axel -n 10 -o /tmp/ [ 1%] .......... .......... .......... .......... .......... [4654.5KB/s] [ 1%] .......... .......... .......... .......... .......... [4657.1KB/s] [ 1%] .......... .......... .......... .......... .......... [4656.5KB/s] [ 1%] .......... .......... .......... .......... .......... [4659.3KB/s] ...
2.2、限速下载:
例如限制为1MB/s的下载速度,可以看到速度基本保证在1MB以内
# axel -s 1024000 http://mirrors.btte.net/centos/7.2/isos/x86_64/CentOS-7.2-x86_64-bin-DVD1.iso Initializing download: http://mirrors.btte.net/centos/7.2/isos/x86_64/CentOS-7.2-x86_64-bin-DVD1.iso File size: 4467982336 bytes Opening output file CentOS-7.2-x86_64-bin-DVD1.iso State file found: 30522952 bytes downloaded, 4437459384 to go. Starting download ,,,,,,,... .......... .......... .......... .......... [ 394.8KB/s] [ 0%] .......... .......... .......... .......... .......... [ 689.2KB/s] [ 0%] .......... .......... .......... .......... .......... [ 879.5KB/s] [ 0%] .......... .......... .......... .......... .......... [ 974.5KB/s] [ 0%] .......... .......... .......... .......... .......... [1086.4KB/s] [ 0%] .......... .......... .......... .......... .......... [ 967.5KB/s] [ 0%] .......... .......... .......... .......... .......... [ 943.8KB/s] [ 0%] .......... .......... .......... .......... .......... [1021.0KB/s] [ 0%] .......... .......... .......... .......... .......... [1066.1KB/s]
2.3、简单进度条
默认情况下,整个屏幕都是进度条,加上-a参数,进度条类似wget
# axel -a http://mirrors.btte.net/centos/7.2/isos/x86_64/CentOS-7.2-x86_64-bin-DVD1.iso Initializing download: http://mirrors.btte.net/centos/7.2/isos/x86_64/CentOS-7.2-x86_64-bin-DVD1.iso File size: 4467982336 bytes Opening output file CentOS-7.2-x86_64-bin-DVD1.iso Starting download [ 1%] [0 1 2 3 ] [ 3.2MB/s] [21:47]