forever creations

| +--------------------------------------+-------+------+ Our newly created Network,net2 has its own namespace, and this namespace is separate from the Net1. In namespace, we can see two network interfaces, one local and one for the DHCP service.[Plain]View Plaincopy # IP netns exec qdhcp-63b7fcf2-e921-4011-8da9-5fc2444b42dd IP addr 1:LO:MTU 65536 qdisc noqueue State UNKNOWN Link/loopback 00:00:00:00:00:00 BRD 00:00:00:00:00:00 inet 127.0.0.1/8 Scope host Lo INET6:: 1/128 S

serverView the routing tableIP netns exec qdhcp-66b9930b-2871-414c-8c6f-991a6a8cffe0 ip route list Dev tap452bdfab-31169.254.0.0/16 proto kernel scope link src 169.254.169.254192.168.10.0/24 proto kernel scope link src 192.168.10.3Add route tableIP netns exec qdhcp-66b9930b-2871-414c-8c6f-991a6a8cffe0 IP route replace default via 192.168.10.1 Dev tap452bdfab-31View the configuration of the NICIP netns exec qdhcp-66b9930b-2871-414c-8c6f-991a6a8cffe0 IP addr Show tap452bdfab-31232:TAP452BDFAB-31:

a virtual machine to a public network. (What is the flow table on the Q4:br-ex?) If there is no Br-ex, go straight br-int, what will flow table change? ) 　　 Extranet ping VM1 (floating ip:172.24.4.5)1) FIP namespaceAt this time FIP's namespace will do ARP proxy: (q5:arp agent role? ）# IP netns exec fip-fbd46644-c70f-4227-a414-862a00cbd1d2 sysctl net.ipv4.conf.fg-081d537b-06.proxy_arpNet.ipv4.conf.fg-081d537b-06.proxy_arp = 1You can see that the ARP proxy for the interface is open, and for float

This article mainly introduces the method and code for starting the script file of node. js at startup. Here, I will share it with you. If you need it, refer to it. The Code is as follows: #! /Bin/bash### BEGIN INIT INFO# Provides: xiyoulib# Required-Start: $ all# Required-Stop: $ all# Default-Start: 2 3 4 5# Default-Stop: 0 1 6# Short-Description: Start daemon at boot time# Description: Enable service provided by daemon.### END INIT INFO# Chkconfig: 345 88 08# Description:

This article mainly introduces the method and code for starting the script file of node. js at startup. here, I will share it with you. if you need it, refer to it. The code is as follows: #! /Bin/bash### BEGIN INIT INFO# Provides: xiyoulib# Required-Start: $ all# Required-Stop: $ all# Default-Start: 2 3 4 5# Default-Stop: 0 1 6# Short-Description: Start daemon at boot time# Description: Enable service provided by daemon.### END INIT INFO# Chkconfig: 345 88 08# Description:

Object, which is a very important stem in JavaScript, is a good understanding of how it is directly related to your basic understanding of the entire JavaScript system, which is, in plain parlance, a group of objects. Beep ）。 several common types of object creation patternscreate with the new keywordThe most basic way to create objects is to say the same as most other languages: no object, you new one!var gf = new Object(); gf.name = "tangwei"; gf.bar = "c++"; gf.sayWhat = function() { console.l

Nodejs after running, the link is closed, the site will be disconnected, need to install forever, background execution. The installation method is as follows (works under both Windows and Linux):Installation of Forever:NPM Install Forever-G//uses forever to start the daemon: forever start Your_app. Js//shutdown daemon:

Generally built successfully after the Opentack, the network is created according to the document Scenario 1:one Tenant, networks, one router Scenario 2:two tenants, networks, and routers However, Neutron is a software-defined network, can create more complex topology diagram I created the above three networks, each running a host, network 1 and Network 2, not directly connected, but connected via network 2. For host Net1, because the network has only one router, the gateway can only be its

.$ screen-s name# cut back specify session$ screen-r name$ screen-r pid_number# list all session$ Screen-lsIf you want to stop a session, you can first cut it back and then press ctrl + c and ctrl + d .Tmux is more powerful than screen, and its basic usage is as follows.$ tmux$ Node server.js# back to the original session$ Tmux detachIn addition tmux detach , the other way is to Ctrl + B press and d , can also go back to the original session.# The next time you log on, return to the background r

them. -S name# 切回指定 session$ screen -r name$ screen -r pid_number# 列出所有 session$ screen -ls If you want to stop a session, you can first cut it back and then press ctrl + c and ctrl + d .Tmux is more powerful than screen, and its basic usage is as follows. $ tmux$ node server.js# 返回原来的session$ tmux detach In addition tmux detach , the other way is to Ctrl + B press and d , can also go back to the original session. # 下次登录时，返回后台正在运行服务session$ tmux attach

First install the environment that node needs to rungit clone https://github.com/creationix/nvm.git ~/.nvm cd ~/.nvm git checkout ' git describe--abbrev=0--tags '. ~/.NVM/NVM.SHNVM Install V4.1.0NVM use V4.1.0NPM install Forever-gI use the v4.1.0 version, and the global installation of the Forever command, the following is a self-starter script, placed in the/etc/init.d/directory, the script name as neede

Deep understanding of javascript constructor and prototype object, and javascript Constructor Common Object creation Modes Create with the new KeywordThe most basic object creation method is the same as that in most other languages: no object. You are new! var gf = new Object();gf.name = "tangwei";gf.bar = "c++";gf.sayWhat = function() { console.log(this.name + "said:love you forever");} Create with literal This seems to be appropriate, but can the s

Deep understanding of javascript constructors and prototype objects Common Object creation Modes Create with the new KeywordThe most basic object creation method is the same as that in most other languages: no object. You are new! 1 2 3 4 5 6 Var gf = new Object (); Gf. name = "tangwei "; Gf. bar = "c ++ "; Gf. sayWhat = function (){ Console. log (this. name + "said: love you forever "); } Create with literal This se

cross-host container) The test of direct communication between container and cross-host container is first seen. Now Node1 and Node2 on a busybox: node1$ Docker run-it--rm busybox SHnode1$ IP A1:lo: Link/loopback 00:00:00:00:00:00 BRD 00:00:00:00:00:00inet 127.0.0.1/8 Scope host LoValid_lft Forever Preferred_lft ForeverINET6:: 1/128 Scope HostValid_lft Forever Preferred_lft Forever6:ETH0@IF7: Link/e

show ens1922:ens192: Link/ether 00:50:56:94:02:4a BRD FF:FF:FF:FF:FF:FFinet 192.168.1.31/24 BRD 192.168.1.255 Scope Global ens192Valid_lft Forever Preferred_lft ForeverInet6 FE80::250:56FF:FE94:24A/64 Scope linkValid_lft Forever Preferred_lft Forever[Email protected] ~]# Curl http://192.168.1.311.2 Setting up the server to support VIP accessMethod 1: Create the

#主 must be the same as #优先级: Master and prepare 11111192.168. 174.140/ #VRRP ha virtual address}} Configuration of alternate nodesglobal_defs { router_id nodeb}vrrp_instance vi_1 {State BACKUP interface eth0 90 11111192.168. 174.140/ }} Back to top of the testDouble-click Hot SpareBoth devices start Nginx and keepalived, the browser each accessBrowser access: http://192.168.174.140/, which shows the master page.The same IP appr can be us

getFirst look at your network card informationIP addr Show1:lo: Link/loopback 00:00:00:00:00:00 BRD 00:00:00:00:00:00inet 127.0.0.1/8 Scope host LoValid_lft Forever Preferred_lft ForeverINET6:: 1/128 Scope HostValid_lft Forever Preferred_lft Forever2:eno16777736: Link/ether 00:0c:29:c9:9b:0b BRD FF:FF:FF:FF:FF:FFYou can view the network card name as eno16777736Enter network-scripts[Email protected] ~]# cd/

: Nohup node your_app.js However, forever can do more things, such as recording output and error logs separately. For example, it can be used as an API in Js. We simply use it in the command line. Installation is simple: Sudo NPM install forever-G Use forever to start the daemon: Foreve