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1. Check the database status. The status is normal. [Oracle @ racdb01 RAC] $ crs_stat-TName type target State host------------------------------------------------------------Ora. RAC. DB application online racdb01Ora... s1.inst application online racdb01Ora... s2.inst application online racdb02Ora... esdb. CS application online racdb01Ora... es1.srv application online racdb01Ora... 01. lsnr application online racdb01Ora... b01.gsd application online r

| user space CS | EIP To be consistent with the interrupt and abnormal stack, % eax is pushed first after ENTRY (system_call) and SAVE_ALL is performed. The content on the kernel stack is | User stack SS | user stack ESP | EFLAGS | user space CS | EIP | EAX | ES | DS | EAX | EBP | EDI | ESI | EDX | ECX | EBX The last end is similar to the interrupt (RESTORE_ALL ). // ----- Interrupt, exception, system call: End Interruptions, exceptions, and system calls are omitted: the timing of the detect

1, shared host directory to the container Docker run-d--name=test-v/opt/test:/usr/databases docker-testTest is the name of the container, it needs to be unique;-V indicates that a data volume is created and mounted in a container, and the example indicates that the/opt/test directory of the host is mounted to the container's/usr/databases directory; docker-test is the name of the mirror. 2, sometimes need to share the container of the volume, you need to use other ways to access 1) Adopt –volume

How to fix docker containers that cannot be started Background: On the test server, an elasticsearch service cluster is built using docker. Because the plug-in for Chinese Word Segmentation needs to be installed for es, the installation cannot be started due to a problem. Because it is used for testing and development and does not mount data volumes for containers, after the containers are closed, there will be no related directories on the host machine. The directory structure of the Plugins di

logstash. conf configuration file Logstash User Manual: http://logstash.net/docs/1.4.2/ Log4j server configuration instance: log4j. conf Input {Log4j {Data_timeout => 5# Mode => "server"# Port => 4560}}Filter {JSON {Source => "message"Remove_field => ["message", "class", "file", "host", "method", "path", "Priority", "Thread", "type ", "logger_name"]}}Output {# Stdout {codec => JSON}Redis {Host => "redis. internal.173"Port = gt; 6379Data_type => "list"Key => "soalog"}} Logsta

Label:According to Betteridge's law (any headline question can be answered in one word: no), unless your JSON data is rarely modified and has many queries. The latest version of PostgreSQL adds more support for JSON, and we've asked if PostgreSQL can replace MongoDB as a JSON database, the answer is obvious, but hopefully, aha, the question is asked by the reader. "Isn't PostgreSQL already having some JSON support?" ”Yes, the version before PostgreSQL 9.4 also has JSON data type, you can do this

used.Generally, G.729 encoding is widely used in the world of VoIP, while G.711 is widely used in the IP phone service provided by carriers. G.711 is a CODEC used in the ISDN network, with good sound quality, but more information than G.729. G.729 is a CODEC with high compression ratio and sound quality. When a channel of voice information is transmitted, G.711

Web APIs have become more and more popular in recent years, and the simplicity of API design has become particularly important in multi-backend system interaction applications. In general, RESTful APIs are used as our Web API. This article describes some of the best practices for designing simple RESTful APIs.A noun used instead of a verbUsing nouns to define interfaces, verbs should not be used: /getallresources /createnewresource /deleteallresources Two, GET methods and q

Web APIs has become a very important topic in the last year. We at M-way Solutions is working every day with different backend systems and therefore we know about the importance of a Clean API design.Typically we use a RESTful design for our web APIs. The concept of REST is to separate the APIs structure into logical resources. There is used the HTTP methods GET, DELETE, POST and PUT to operate with the resources.These is best practices to design a clean RESTful API:1. Use nouns but no verbsFor

The Web API has become an important topic in recent years, and a clean API design is important for back-end systems.Usually we use restful design for the Web API, the rest concept separates the API structure and logical resources, and uses HTTP method get, DELETE, POST and put to manipulate resources.Here are 10 best practices for RESTful Web APIs that can provide you with a good API design style.1. Use nouns rather than verbs ResourceResources GETRead POSTCreate P

.# TAR-ZXF Mod_rpaf-0.6.tar.gz# CD mod_rpaf-0.6#/usr/local/apache/bin/apxs-i-c-n mod_rpaf-2.0.so mod_rpaf-2.0.c# CD ... Install Pure-ftp The code is as follows Copy Code # TAR-ZXF Pure-ftpd-1.0.29.tar.gz# CD Pure-ftpd-1.0.29#./configure--prefix=/usr/local/pureftpd--with-language=simplified-chinese--with-everything# make# make Install# chmod U+x configuration-file/pure-config.pl# CP configuration-file/pure-config.pl/usr/local/pureftpd/sbin/# mkdir/usr/local/p

(collection C): Use a normal collection to create a Enumset collection.D, Static Enumset copyOf (Enumset E): Creates a enumset with the same element type, same collection element as the specified enumset.E, static Enumset noneof (Class ElementType): Creates an empty enumset that has an element type of the specified enumeration type.F, static enumset of (E first,e...rest): Creates a enumset that contains one or more enumeration values, and the multiple enumerated values passed in must belong to

assigned to Authkey, Keywrapkey and Emsk respectively.Perhaps the "| |" as "append stitching" will be better understood.(5) Calculation of some important parameters in M1-M3:Es1,es2 is a 128-bit random number generated on the enrollee side, which differs from N1,N2Rs1,rs2 is a 128-bit random number generated on the Registrar side, which differs from N1,N2E-HASH1 = Hmac-authkey (ES1 | | PSK1 | | PKE | | PKR

=" Http://s2.51cto.com/wyfs02/M01/7A/B2/wKioL1awuIGwOfOXAAAwY15mUg0691.png "title=" Es1.png "alt=" Wkiol1awuigwofoxaaawy15mug0691.png "/>650" this.width=650; "src=" http://s4.51cto.com/wyfs02/M02/ 7a/b2/wkiol1awujlrbqsdaaawy15mug0234.png "title=" Es1.png "alt=" Wkiol1awujlrbqsdaaawy15mug0234.png "/>cluster (cluster)A cluster consists of one or more nodes that share the same cluster name. Each cluster has a

language Standard Version name: ECMAScript (ECMA is the European Association of Computer manufacturers, it is said that it may be a standard, in addition to JavaScript to follow this standard, there are xx .... ）Jscript (ie's description of the implementation version of the language)ECMA1: ES3 (ECMASCRIPT3): All Web browsers are implemented. Marks the ECMAScript as a true programming language. ES4: Hang Up, no official version issued ES5:2009 year ES6:2015 year ES7:2016

;}public class Enumsetdemo {/*** @param args*/public static void Main (string[] args) {TODO auto-generated Method StubEnumset es1 = Enumset.allof (Season.class);System.out.println (ES1);Enumset es2 = enumset.noneof (Season.class);System.out.println (ES2);Es2.add (Season.winter);Es2.add (season.spring);System.out.println (ES2);Output Summer,winterEnumset Es3 = Enumset.of (Season.summer,season.winter);System.

file. To have the system generate the log file, go to/etc/syslog. add the following to the conf file :*. warning/var/log/syslog this log file records information such as the wrong password, Sendmail issue, and su command execution failure recorded by login during user logon. Below is a record: Sep 6 16:47:52 UNIX login (pam_unix) [2384]: check pass; user unknown/var/log/secure this log file records security-related information. Part of the log file is as

audio sample rates from 8KHz to 48KHz. Note this cross-platform version of JMF only supports the following RA Tes:8, 11.025, 11.127, 22.05, 22.254, +, 44.1, and KHz.The JMF 2.1.1 Reference implementation supports the media types and formats listed in the table below. In this table:· D indicates the format can be decoded and presented.· E indicates the media stream can be encoded in the format.· Read indicates the media type can used as input (read from a file)· Write indicates the media type ca

user logs in,/etc/syslog.conf file The SU command fails to execute information. Here is a record:SEP 6 16:47:52 UNIX Login (Pam_unix) [2384]: Check pass; User Unknown/var/log/secureThis log file records security-related information. Some of the contents of the log file are as follows:Sep 4 16:05:09 UNIX xinetd[711]: start:ftp pid=1815 from=127.0.0.1Sep 4 16:05:09 UNIX xinetd[1815]: userid:ftp other:rootSep 4 16:07:24 UNIX xinetd[

records information such as the wrong password, Sendmail issue, and su command execution failure recorded by login during user logon. Below is a record: Sep 6 16:47:52 UNIX login (pam_unix) [2384]: check pass; user unknown/var/log/secure this log file records security-related information. Part of the log file is as follows: Sep 4 16:05:09 UNIX xinetd [711]: START: ftp pid = 1815 from = 127.0.0.1Sep 4 16:05:09 UNIX xinetd [1815]: USERID: ftp OTHER: ro