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Category: 技术

May 16, 2018 / Linux

Centos install haproxy

Command yum update -y yum install haproxy mv /etc/haproxy/haproxy.cfg /etc/haproxy/haproxy.cfg.default vi /etc/haproxy/haproxy.cfg copy to haproxy.cfg global ulimit-n 51200 defaults log global mode tcp option dontlognull timeout connect 1000ms timeout client 150000ms timeout server 150000ms frontend 80-in bind *:80 default_backend 80-out backend 80-out server server1 original Ip maxconn 20480 Auto start haproxy sudo chkconfig haproxy on

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June 2, 2018 / Linux

Centos 7 enable port 80

firewall firewall-cmd –zone=public –add-port=80/tcp –permanent systemctl stop firewalld.service systemctl start firewalld.service systemctl restart firewalld.service   Ipatbles iptables -A INPUT -p tcp –dport 80 -j ACCEPT iptables -A OUTPUT -p tcp –sport 80 -j ACCEPT systemctl save iptables.service systemctl restart iptables.service

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May 16, 2018 / Linux

postfix删除队列中的邮件

Postfix中有一套Mail Queue Management机制,所有队列中的邮件都可以全自动的处理,但在发送大量邮件的时候,有必要对这个队列进行手工的维护处理,比如说,删除队列中的邮件. 以下是一些常用的命令: 列出目前在 Mail Queue 中的邮件 mailq 刪除所有在 Queue 中的邮件 postsuper -d ALL

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May 16, 2018 / Linux

mount ntfs-3g

fdisk -l   mkdir /home/sdb1 mount -t ntfs-3g /dev/sdb1 /home/sdb1 vi /etc/fstab /dev/sdb1 /home/sdb1 ntfs-3g defaults 0 0

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November 29, 2015 / 技术

php timezone

http://php.net/manual/en/timezones.php date.timezone = Pacific/Auckland

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May 16, 2018 / 技术

Check CentOS folder space

command cd / du –max-depth=1 -h /var/log

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May 16, 2018 / Linux

How To Configure Static IP On CentOS 6

Configure eth0 vi /etc/sysconfig/network-scripts/ifcfg-eth0 DEVICE=”eth0″ NM_CONTROLLED=”yes” ONBOOT=yes HWADDR=A4:BA:DB:37:F1:04 TYPE=Ethernet BOOTPROTO=static NAME=”System eth0″ UUID=5fb06bd0-0bb0-7ffb-45f1-d6edd65f3e03 IPADDR=192.168.1.44 NETMASK=255.255.255.0 ## Configure Default Gateway # vi /etc/sysconfig/network NETWORKING=yes HOSTNAME=centos6 GATEWAY=192.168.1.1 ## Restart Network Interface # /etc/init.d/network restart ## Configure DNS Server # vi /etc/resolv.conf nameserver 8.8.8.8 # Replace with your nameserver ip nameserver 192.168.1.1 # Replace with your nameserver ip

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May 16, 2018 / Linux

Linux VPS添加SWAP(交换分区)

Linux VPS添加SWAP(交换分区) 1.进入目录 cd /var/ 2.获取要增加的SWAP文件块(这里以1GB为例) dd if=/dev/zero of=swapfile bs=1024 count=1038336 2G dd if=/dev/zero of=swapfile bs=2048 count=2097152 3.创建SWAP文件 /sbin/mkswap swapfile 4.激活SWAP文件 /sbin/swapon swapfile 5.查看SWAP信息是否正确 /sbin/swapon –s 6.添加到fstab文件中让系统引导时自动启动 echo “/var/swapfile swap swap defaults 0 0” >>/etc/fstab 上面这步也可以修改/etc/fstab,末尾加入/var/swapfile swap swap defaults 0 0 7.查看是否挂载成功 free -m 一次性安装代码 cd /var/ dd if=/dev/zero of=swapfile bs=1024 count=1038336 /sbin/mkswap swapfile /sbin/swapon …

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May 16, 2018 / Mac

Mac install Brew

安装命令如下: curl -LsSf http://github.com/mxcl/homebrew/tarball/master | sudo tar xvz -C/usr/local –strip 1 当brew安装成功后,就可以随意安装自己想要的软件了,例如wget,命令如下: sudo brew install wget 卸载的话,命令如下: sudo brew uninstall wget 查看安装软件的话,命令如下: sudo brew search /apache*/ 注意/apache*/是使用的正则表达式,用/分割。

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June 16, 2016 / Linux

How To Use Rsync to Sync Local and Remote Directories on a VPS

Introduction Rsync, which stands for “remote sync”, is a remote and local file synchronization tool. It uses an algorithm that minimizes the amount of data copied by only moving the portions of files that have changed. In this guide, we will cover the basic usage of this powerful utility. We will be using an Ubuntu …

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