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How can i use iptables on centos 7? [closed]
...ssh port as permanent opened port
firewall-cmd --zone=public --add-port=22/tcp --permanent
Then, you can reload rules to be sure that everything is ok
firewall-cmd --reload
This is better than using iptable-save, espacially if you plan to use lxc or docker containers. Launching docker services ...
Express.js: how to get remote client address
... server component, under event connection says:
[Triggered] when a new TCP stream is established. [The] socket is an object of type
net.Socket. Usually users will not want to access this event. In
particular, the socket will not emit readable events because of how
the protocol parser attac...
Remote Connections Mysql Ubuntu
...th your actual IP in the xxx's
mysqld 1046 mysql 10u IPv4 5203 0t0 TCP xxx.xxx.xxx.xxx:3306 (LISTEN)
If the above statement returns correctly you will then be able to accept remote users. However for a remote user to connect with the correct priveleges you need to have that user created i...
手握利器，直面“蓝脸”! ——使用WinDbg抗击系统崩溃 - 操作系统(内核) - ...
...认打开的就是COM连接方式的配置页面。这里的“Baud Rate(传输速率)”以及“Port(端口)”需要根据下一个步骤的操作方式来配置。
最后一步，我们可以启动目标机，在引导Windows之前按下F8，在启动菜单中选择“调试模式”，这样...
How do you access a website running on localhost from iPhone browser
...ed of loopback because of some applications that connects with others over TCP/IP Loopback address. Almost all devices with network has the loopback ability.
– cusspvz
Jun 28 '10 at 14:11
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一个故事告诉你比特币的原理及运作机制 - 创意 - 清泛网 - 专注C/C++及内核技术
...致的。
由于很多计算机世界的东西（如公钥体系、网络传输）在现实世界中并没有特别好的对等物，所以故事里难免有一些生硬和不合常理的细节。
本文描述的是比特币网络本身的技术原理和运作机制，当在如Mtgox这种买卖市...
MySQL Workbench: How to keep the connection alive
...
If you are using a "Standard TCP/IP over SSH" type of connection, under "Preferences"->"Others" there is "SSH KeepAlive" field. It took me quite a while to find it :(
share
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浅谈APM在电子交易系统中的应用 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...提供服务的硬件组件的利用率，如CPU利用率以及通过网络传输的字节数。虽然这种方法也提供了一些宝贵的信息，但却忽视了最 重要的因素--最终用户的响应时间。现在通过事务处理过程监测、模拟等手段可真实测量用户响应时...
Combining node.js and Python
...ver, I would use Unix sockets if both processes run on the same server and TCP/IP sockets otherwise. For marshaling protocol I would take JSON or protocol buffer. If threaded Python shows up to be a bottleneck, consider using Twisted Python, which
provides the same event driven concurrency as do nod...
psql: FATAL: Ident authentication failed for user “postgres”
...art is important: it tells the psql client that we wish to connect using a TCP connection (which is configured to use password authentication), and not by a PEER connection (which does not care about the password).
$ psql -U postgres -h localhost
...