linux测速软件

安装linux服务器后，有时候需要检查带宽情况。

1、wget 链接，查看下载速度

2、安装speedtest-cli.py
wget -O speedtest-cli https://raw.github.com/sivel/speedtest-cli/master/speedtest_cli.py
curl -o speedtest-cli https://raw.github.com/sivel/speedtest-cli/master/speedtest_cli.py

./speedtest.py
Retrieving speedtest.net configuration...
Testing from China Telecom (192.168.1.1)...
Retrieving speedtest.net server list...
Selecting best server based on ping...
Hosted by China Mobile Group Beijing Co.Ltd (Beijing) [1.69 km]: 27.306 ms
Testing download speed............................................
Download: 9.46 Mbit/s
Testing upload speed..............................
Upload: 7.57 Mbit/s

3、看网卡是千兆还是百兆

mii-tool

ethtool em1|grep Speed
Speed: 1000Mb/s

4、nmon 按n查看实时流量

5、iftop查看单个IP耗费的流量

yum -y install iftop

rpm -ivh http://rpmfind.net/linux/dag/redhat/el5/en/x86_64/dag/RPMS/iftop-1.0-0.pre3.el5.rf.x86_64.rpm

6、iptraf是一个基于ncurses的IP局域网监控器

7、Iperf 是一个网络性能测试工具。

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