海运的博客

Linux判断内核版本自动开启bbr或锐速

发布时间：January 18, 2018 // 分类： // No Comments

添加到/etc/rc.local开机启动：

#!/usr/bin/bash
version=`uname -r|awk -F'.' '{print $1}'`
if [ $version == "3" ]
then
  echo "version is 3"
  /etc/init.d/serverSpeeder start
else 
  echo "version is 4"
  sysctl -w "net.core.default_qdisc=fq" 
  sysctl -w "net.ipv4.tcp_congestion_control=bbr"
fi

Windows开机启动vmware虚拟机

发布时间：January 17, 2018 // 分类： // No Comments

创建vbs脚本放到开机启动目录：

set ws=createobject("wscript.shell")
ws.run """C:\Program Files (x86)\VMware\VMware Workstation\vmrun.exe"" start ""d:\Virtual Machine\Vmware VMs\Windows 10 x64\Windows 10 x64.vmx"" nogui",0
wscript.quit

Windows10开机启动目录位于：

%appdata%\Microsoft\Windows\Start Menu\Programs\Startup

php通过parity发送eth转账

发布时间：December 24, 2017 // 分类： // 2 Comments

<?php
$from = "0xc562B9310436D9fA01ED015E48145";
$to = "0xAAAB2eC23dd5dd9602e631B8399fA94";
$gas_price = "0x800e8dfc00";
$gas_limit = "0x01d4c0";
$value = "0x018493fba64ef00000";
$data = '{"method":"personal_sendTransaction","params":[{"from":"'.$from.'","to":"'.$to.'","gas": "'.$gas_limit.'", "gasPrice": "'.$gas_price.'","data":"","value":"'.$value.'"},"password"],"id":1,"jsonrpc":"2.0"}';
$ch = curl_init();
curl_setopt($ch,CURLOPT_URL,'localhost:8545');
curl_setopt($ch, CURLOPT_HTTPHEADER, array('Content-Type: application/json'));
curl_setopt($ch, CURLOPT_HEADER, 0);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
curl_setopt($ch, CURLOPT_POST, 1);
curl_setopt($ch, CURLOPT_POSTFIELDS, $data);
$data = curl_exec($ch);
print_r($data);
curl_close($ch);

LInux网络测速工具speedtest

发布时间：December 10, 2017 // 分类： // No Comments

wget -O /usr/bin/speedtest https://raw.githubusercontent.com/sivel/speedtest-cli/master/speedtest.py
chmod +x /usr/bin/speedtest 
speedtest

选择指定服务器：

speedtest --list
speedtest --list|grep China
speedtest --server 4751

golang版进程管理工具supervisord

发布时间：October 16, 2017 // 分类： // No Comments

安装

go get -v -u github.com/ochinchina/supervisord
go build github.com/ochinchina/supervisord

配置

[supervisord]
logfile=/var/log/supervisord.log
logfile_maxbytes=50MB
logfile_backups=10
loglevel=debug
pidfile=/tmp/supervisord.pid

[inet_http_server] 
port=127.0.0.1:9001

[program:test]
command=/root/test
autostart=true
autorestart=true
startsecs=2
startretries=3
stopwaitsecs=5
;stopsignal=KILL
stdout_logfile=/root/stdout.log
stdout_logfile_maxbytes=1MB
stdout_logfile_backups=10
redirect_stderr=true

管理：

supervisord -d -c supervisord.conf 
supervisord ctl status
supervisord ctl start test
supervisord ctl shutdown