<?php
$end_str = '';
$fp = fopen($filename, 'r');
while (!feof($fp)) {
$data = fread($fp, 4096);
if ($end_str) {
$data = $end_str.$data;
}
$datas = explode("\n", trim($data));
if (substr($data, -1) == "\n" || substr($data, -1) == "\r") {
$end_str = '';
} else {
$end_str = trim(array_pop($datas));
}
foreach ($datas as $value) {
$line= trim($value);
}
}
fclose($fp);
PHP大文件读取每一行
发布时间:March 30, 2017 // 分类: // No Comments
upx压缩go编译的程序
发布时间:March 18, 2017 // 分类: // No Comments
ubuntu可直接安装:
apt install upx-ucl
wget https://github.com/upx/upx/releases/download/v3.93/upx-3.93-amd64_linux.tar.xz
tar xvf upx-3.93-amd64_linux.tar.xz
cd upx-3.93-amd64_linux
./upx -1 client_linux_amd64 -o client_linux_amd64_upx
#-1-9,数字越大压缩级别越高
kcptun使用iptables随机连接端口
发布时间:March 14, 2017 // 分类: // No Comments
首先使用iptables dnat指定端口到随机端口,iptables将在每次kcptun新连接时随机生成连接的端口,不过这样如果kcptun不关闭则不会以新的目标端口连接,可以使用kcptun提供的以下参数定时重连:
--autoexpire 多长时间后使用新的udp连接
--scavengettl 如果之前过期的udp连接所承载的服务没断开则为其保留多长时间或到其断开
Centos更改内核kernel安装锐速
发布时间:March 13, 2017 // 分类: // 1 Comment
查看Centos版本,
cat /etc/redhat-release
CentOS Linux release 7.0.1406 (Core)
查看当前内核版本:
uname -a
Linux fzhost 3.10.0-123.4.2.el7.x86_64 #1 SMP Mon Jun 30 16:09:14 UTC 2014 x86_64 x86_64 x86_64 GNU/Linux
查看锐速所支持的对应内核版本,Centos7.0支持的内核版本为3.10.0-123.x86_64,与当前内核版本不符合。
Centos的内核历史版本可以在http://vault.centos.org下载
当前版本发布后后续更新的内核版本在:
http://vault.centos.org/7.0.1406/updates/x86_64/Packages/
发布时带的内核版本在:
http://vault.centos.org/7.0.1406/os/x86_64/Packages/
下载对应的内核版本安装:
wget http://vault.centos.org/7.0.1406/os/x86_64/Packages/kernel-3.10.0-123.el7.x86_64.rpm
rpm -ivh --oldpackage kernel-3.10.0-123.el7.x86_64.rpm
查看已安装的内核版本:
egrep ^menuentry /etc/grub2.cfg | cut -f 2 -d \'
CentOS Linux (3.10.0-123.4.2.el7.x86_64) 7 (Core)
CentOS Linux, with Linux 3.10.0-123.el7.x86_64
CentOS Linux, with Linux 0-rescue-11264912be38456483e63dfd21d402f4
设置使用安装的内核版本启动:
grub2-set-default 1
安装锐速:
wget --no-check-certificate -O appex.sh https://raw.githubusercontent.com/0oVicero0/serverSpeeser_Install/master/appex.sh && chmod +x appex.sh && bash appex.sh install
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