1.查看网络状态systemctl status NetworkManager You can use the systemctl status NetworkManager command to verify its current status. When NetworkManager comes up, it reads the network card configuration scripts, which are in /etc/sysconfig/network-scripts…
Issue: There are many root causes to make your openstack vm instances cannot be reached from external network. But one of them in my case is VMs and Host (Openstack host) can only ping each other successfully; others are all failed, including vms can…
[root@VM166136 ~]# cat copy_vmware.sh #!/bin/bash if [ $(id -u) -ne 0 ];then echo "Please use the root user to perform!!!" exit 1 fi #Modify the network card configuration and empty MAC information sed -i '/HWADDR/d' /etc/sysconfig/network-scrip…
3.5 Network bottlenecks A performance problem in the network subsystem can be the cause of many problems, such as a kernel panic. To analyze these anomalies to detect network bottlenecks, each Linux distribution includes traffic analyzers. 网络子系统的性能问题…
Network Configuration TL;DR When Docker starts, it creates a virtual interface named docker0 on the host machine. It randomly chooses an address and subnet from the private range defined by RFC 1918 that are not in use on the host machine, and assign…
http://blog.matchgenius.com/tinycore-nginx-server-with-php-cgi-and-vsftpd/ Create fast testing server with TinyCore. I will be using Microcore (8MB) that resides in RAM and 500MB disk drive for persistence. TinyCore Nginx server with php-cgi and vsft…
http://en.wikipedia.org/wiki/Network_booting Network booting Network booting is the process of booting a computer from a network rather than a local drive. This method of booting can be used by routers, diskless workstations and centrally managed com…
In order to provide an environment for network experiments in the future, I use VirutalBox to create some hosts. My real host is Ubuntu 14.04 LTS. And I will install some OSs gradually. Kali Linux Installation Nothing more to record. Just remember to…
http://technet.microsoft.com/en-us/library/bb742455.aspx Abstract Network Load Balancing, a clustering technology included in the Microsoft Windows 2000 Advanced Server and Datacenter Server operating systems, enhances the scalability and availabilit…
Change default network name (ens33) to old “eth0” on Ubuntu 18.04 / Ubuntu 16.04 By Raj Last updated May 18, 2018 37 11 Just after the Ubuntu installation, I came to know that the network interface name got changed to ens33 from old school eth0. RE…
This application discloses methods for creating self-organizing networks implemented on heterogeneous mesh networks. The self-organizing networks can include a computing cloud component coupled to the heterogeneous mesh network. In the methods and co…
NetScaler Insight Center 11.1 Installation & Configuration NetScaler Insight Center 11.0 Installation & Configuration So what is NetScaler Insight Center. This is a high performance collector that provides end-to-end user experience visibility.…
1.首先使用docker创建一个容器,并获取该容器的network namespace monster@monster-Z:~$ docker run -itd --name test ubuntu /bin/bash 3926b5b272107843602fae240fdda929c0e5830dbadc0122b10cd8e66cf71f31 monster@monster-Z:~$ docker ps CONTAINER ID IMAGE COMMAND CREATED STATUS PO…
I will gradually learn some instructions about Network in Linux. First, here are somethings about IPv4: There are A, B, C, D, E, 5 classes. (images copied from here) And Sub-net mask for each is : A : 255.0.0.0 B : 255.255.0.0 C : 255.255.255.0 P.S.…
