forever creations

Oracle tracks common internal event numbers Oracle internal event numbers are often used to track the system status. How to use these internal event numbers requires events and experience. Only these commonly used internal event numbers are recorded here for work preparation. 1. 10013: used to monitor transaction recovery2. 10015: dump the undo segment HeaderEvent = "10015 trace name context forever"3. 10029: used to provide login information during t

showBridge name bridge id STP enabled interfacesBr0 8000.0025903afe42 no eth0 After we create two virtual machines, all the Virtual Machine NICs are connected to br0. In this case, check the devices connected to br0.[Root @ clovemzone ~] # Brctl showBridge name bridge id STP enabled interfacesBr0 8000.0025903afe42 no eth0Vnet0Vnet1 In order to give you a better understanding, you can perform simple analysis based on actual operations. 1. view the NIC device information of a physical machine, a

Centos7.0 minimizes installation of nginx source code. the installation process is recorded and cannot be accessed. why? Newbie wants to download and edit source code directly using wget After compilation, no response is returned. how can I check whether the function is enabled normally? View three processes [root@localhost sbin]# ps -ef|grep nginxroot 13536 1 0 14:14 ? 00:00:00 nginx: master process ./nginxnobody 13537 13536 0 14:14 ? 00:00:00 nginx: worker process

Type=button Never submit Type=checkbox Submit only when checked Type=file Commit forever, even if it is a null value Type=hidden Commit forever, even if it is a null value Type=image Commit forever, even if it is a null value Type=password Commit

by the password /usr/local/mysql-proxy/bin/encrypt Xp29at5F37 . For more detailed explanation of the parameters, please review the Atlas configuration.Launch Atlas/usr/local/mysql-proxy/bin/mysql-proxy--defaults-file=/usr/local/mysql-proxy/conf/my.cnfThen configure MySQL in the program to configure the 127.0.0.1:1234 just fine.Server1 Main outage TestTo test if the keepalived is working properly, let's simulate server1 downtime. Executes the shutdown shutdown command on the Server1. At this poi

SupervisorPerform:Supervisor App.jsAnotherLittle Friends ForeverVirtual machine A close node service is off, but forever can let node service does not stop, introduced as follows, installation and execution not to elaborate, I lazy: Forever is a simple command-style Nodejs daemon, able to start, stop, restart the app app. Forever is based entirely on command-lin

{ 192.168.1.99 } track_script { chk_haproxy } } 2: eth0: 1500 qdisc pfifo_fast state UP qlen 1000 link/ether 00:0c:29:56:78:cd brd ff:ff:ff:ff:ff:ff inet 192.168.1.204/24 brd 192.168.1.255 scope global eth0 inet 192.168.1.99/32 scope global eth0 inet6 fe80::20c:29ff:fe56:78cd/64 scope link tentative dadfailed valid_lft forever preferred_lft forever The IP address is configured.

, even a bag of wine will be touted as a genius! This is the cruelty of reality. There are too many Chinese people and there is too much pressure to survive. If you want to mix well outside and create a name hall, you must make yourself understand the "mixed" game rules. Indeed, life is like a game. People who do not understand the rules of the game will eventually die hard to see, and those who are familiar with the rules can have a good time in the game, have fun and play everything you want!

Before using node's expree to build the server, today to try to use Forever-service to build.First download node's service:Global Installation--"NPM Install-g Forever (if an error appears to see if the permissions are not the problem sudo gives permission)NPM Install-g Forever-service Ibid.[sudo] npm install Forever-mo

prohibit boot boot chkconfig NetworkManager Off. After that, it's good to restart.2 and the configuration file MAC address does not match, this solves, uses the IP addr (or ifconfig) to view the MAC address [[emailprotected] royfans]# IP a 1:lo: Link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00 inet 127.0.0.1/8 Scope host lo Valid_lft forever Pre Ferred_lft Forever Inet6:: 1/128 scope host Valid_

. [root@server1 ~]# ipvsadm -lIP Virtual Server version 1.2.1 (size=4096)Prot LocalAddress:Port Scheduler Flags -> RemoteAddress:Port Forward Weight ActiveConn InActConnTCP 172.25.8.100:http rr -> server2:http Route 1 0 0 -> server3:http Route 1 0 0 Apache Server [root@server2 html]# cat /var/www/html/index.html Server2 [root @ server2 html] #/etc/init. d/httpd status httpd (pid 1716) is running... [root @

relatively simple and does not need to modify the business code can be directly deployment, through the iphash rotation algorithm to save the user assigned to the same process. Vi/etc/nginx/conf/nginx.confHTTP {Upstream Io_nodes {Ip_hash;Server 127.0.0.1:6001;Server 127.0.0.1:6002;Server 127.0.0.1:6003;Server 127.0.0.1:6004;}server {Listen 3000;server_name io.yourhost.com;Location/{# to support forwarding WebSocket data, plus upgrade HeaderProxy_set_header Upgrade $http _upgrade;Proxy_set_heade

to set permissions and download the good Ghost. Third, install the configuration Ghost First install with NPM NPM Install--production Note that there are two minus signs After the NPM installation is complete, you can enter this command to enable Ghost to start in developer mode NPM start Then you can view the Ghost blog from http://127.0.0.1:2368/, because we are installed on the server side, so your local browser is inaccessible, the first press Ctrl + C to stop, this time will generat

:45 that's why scripting language is low for humans. The scripting language is usually written in a fast, brief, but inefficient language. I 15:45 +o (So, forever!) the scripting language is characterized by the inability to make a large inheritance System I 15:46 is not the scripting language is generally not used to write programs? Wing God 15:46 can only be a function module, a function module I 15:46 Oh, oh, God. 15:46 For example, writing a shell

valid_lft forever Preferred_lft Forever Inet6::1/ -Scope host Valid_lft forever Preferred_lft forever2: Enp4s0: theQdisc noop State down group default Qlen +Link/ether -:d 2: -:98: -: 2a BRD ff:ff:ff:ff:ff:ff3: Wlp5s0: theQdisc MQ State up group default Qlen +Link/ether -: cf:5e:xx: -: BA brd ff:ff:ff:ff:ff:ff inet192.168.224.102/ -Brd192.168.224.255scope Glob

: configuration file /etc/nginx/nginx.conf test is successful2) After starting the keepalived service, the Nginx service will also start.[[emailprotected] PV]# systemctl stop firewalld.service [[emailprotected] PV]# setenforce 0[[emailprotected] PV]# systemctl start keepalived.service3) test keepalived's dual-machine hot-standby functionTurn off the host's keepalived service to see if the virtual IP can automatically drift to the standby machine. Primary server: [[emailprotected] pv]# IP addri

add separately on two machinesMain: eth0: Link/ether 00:0c:29:98:cd:c0 BRD FF:FF:FF:FF:FF:FFinet 192.168.1.192/24 BRD 192.168.1.255 Scope Global eth0inet 192.168.1.200/32 Scope Global eth0Inet6 FE80::20C:29FF:FE98:CDC0/64 Scope linkValid_lft Forever Preferred_lft Forever Preparation: eth0: Link/ether 00:0c:29:a6:0c:7e BRD FF:FF:FF:FF:FF:FFinet 192.168.1.193/24 BRD 255.255.255.254 Scope Global eth0Inet6 FE

The first "node.js experience" wrote a good, interested friends can understand. node and NPM are easy to install, not to elaborate ... There are a few basics to mention: 1. "-G" in the installation command represents global The 2.express version is not the usual "-V" to view, but "V" 3. The order to install the Express project is as follows EXPRESS-E nodejs-product- E,--ejs add Ejs engine support ,-j add--jshtml jshtml (engine to support E PS: Template engine and so do not need

name! location/{ proxy_set_header X-real-ip $remote _addr; proxy_set_header host $ Http_host; proxy_pass http:/ /127.0.0.1:2368; } } If you do not use VIM, please Baidu. As long as the basic operation will be OK.Then we do a soft link for the ghost.conf file to the/etc/nginx/sites-enabled/directory: sudo ln-s/etc/nginx/sites-available/ghost.conf/etc/nginx/sites-enabled/ghost.confInstall ForeverCurrently we recommend using the upstart process daemon to start the Ghost. For

0 overruns 0 frame 0TX Packets 9 Bytes 728 (728.0 B)TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0virbr0:flags=4099 MTU 1500inet 192.168.122.1 netmask 255.255.255.0 broadcast 192.168.122.255Ether a6:88:9f:14:b2:66 Txqueuelen 0 (Ethernet)RX Packets 0 Bytes 0 (0.0 B)RX errors 0 dropped 0 overruns 0 frame 0TX Packets 1 bytes (90.0 B)TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0[Root@361way network-scripts]# IP Add show1:LO:MTU 65536 qdisc noqueue State UNKNOWNLink/loopback 00:00