Linux 网络设置记录

Tcping

yum install -y tcptraceroute bc
apt-get install -y tcptraceroute bc
cd /usr/bin
wget -O tcping https://soft.mengclaw.com/Bash/TCP-PING
chmod +x tcping

BestTrace

# 获取安装列表
$ yum list | grep zip/unzip 
# 安装zip
$ yum install zip unzip -y
# 安装 best trace
$ wget http://cdn.ipip.net/17mon/besttrace4linux.zip
$ unzip besttrace4linux.zip
# 64 位系统
$ chmod +x besttrace
# 32 位系统
$ chmod +x besttrace32 
# 用法
$ ./besttrace -q 1 IP
$ ./besttrace32 -q l 192.168.1.1

SpeedTest

wget --no-check-certificate -O speedtest https://raw.github.com/sivel/speedtest-cli/master/speedtest.py 
chmod +x speedtest 
./speedtest  

./speedtest --server id

speedtest server list

Country	Provider	Host	ID
China	China Mobile Group Zhejiang Co.,Ltd	ltetest1.139site.com:8080	4647
China	China Telecom ZheJiang Branch	122.229.136.10:8080	7509
China	Hangzhou , Zhejiang Unicom	101.71.241.238:8080	5300
China	wang su	speedtest.tkfl.cc:8080	26308
China	5UFVPN	cn_hz1.we.tm:8080	8173
China	ZheJiang Mobile XiHu	ltetest6.139site.com:8080	12278

./speedtest --list|grep 'China'

关闭 IPV6

$ ifconfig
$ ip addr list
# 编辑配置文件
$ vi /etc/sysctl.conf 
# 添加配置
$ net.ipv6.conf.all.disable_ipv6=1 
# 重启服务
$ sysctl -p /etc/sysctl.conf 

DNS 修改

查看 DNS

cat /etc/resolv.conf 

• 方法一

# 添加配置 dns=done
$ vi /etc/NetworkManager/NetworkManager.conf
# 修改 dns
$ vi /etc/resolv.conf 
# 重启网卡
$ systemctl restart NetworkManager.service

• 方法二

# 查看当前启动的连接
$ nmcli connection show 
# 修改 dns 
$ nmcli con mod eth0 ipv4.dns "8.8.8.8 114.114.114.114" 
# 生效
$ nmcli con up eth0