Two methods for communication between different VLANs (single-arm routing and layer-3 Switching)Test environment: Third data center, second floor, east suburbInvestigational device: Catalyst 2950-24 (SW3)Cisco 2611 (R2)Catalyst 3750 SERIES (with two SD interfaces, S8----SW-2L)Real machine (PC5, PC6 ).Objective::1. Communication between different VLANs through single-arm Routing2. implement communication between different VLANs through layer-3 switchin
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2. PHAssetChangeRequest, PHAssetCollectionChangeRequest, PHAssetCreationRequest, PHCollectionListChangeRequest: you can create an object in the change block of PHPhotoLibrary to add, edit, and delete asset objects.
In the above Code, we show the PHAssetCreationRequest addition operation.
[[PHAssetCreationRequest creationRequestForAsset] addResourceWithType:PHAssetResourceTypePhoto data:processedJPEG options:nil];
3. PHAssetCollectionType: album type
typedef
plsql logon to a Chinese error. Zhs16gbk is the default data character set when you manually create a database after oracle11g is installed. But at this time, it is still the error "ORA-12154: TNS: unable to resolve the specified connection identifier", the local sqlplus can log on, suspected to be the oracle client tnsnames. ora has a problem. Then, check the listener Configuration File listener on the server. connection string in ora: LISTENER = (DESCRIPTION_LIST = (DESCRIPTION = (ADDRESS = (
4th Chapter Virtual LAN VLANLab Environment:The number of employees in the Benet Shanghai branch has reached 100 people, with its network equipment. The current network environment leads to more broadcasts, slower speeds, and is not secure. The company hopes to divide the network according to the department, and can guarantee certain network security.Its network planning is as follows:? PC1 and PC3 are finance department, belong to VLAN2, name is Caiwu, its IP address is 192.168.0.2/24, 192.168.
Experimental system: Two Windows server2008r2 Systems Server: PC5 IP Address:192.168.10.1client:PC6 IP address: Auto Getexperimental Purpose: in Configure DHCP service on PC5 , let PC6 get IP address automaticallyPC5:in Server Management - role - Add a role -Select DHCP Server - next - NextThis detects the server's NIC address as 192.168.10.1-nextThis is where the client automatically obtains the DNS addre
of the link.
The physical parameter settings for all ports participating in the bundle must be the same and should have the same speed and full/version duplex mode settings.
650) this.width=650; "style=" border-top-width:0px;border-bottom-width:0px;border-left-width:0px; "border=" 0 "alt=" Image "Src=" http://s3.51cto.com/wyfs02/M02/6C/9A/wKiom1VM3xvQZYv2AACii2VjSa4091.jpg "width=" 345 "height=" 180 "/ >
Experiment and Configuration :XXX Company's number of employees has reached 10
manage the enterprise network. Here is the test environment:
Environment Introduction:There is only one public address in the enterprise, 172.16.1.1/24Enterprises in a total of three departments of Engineering, Finance, Technology department.PC1 PC3 PC5 is used by departmental managers in three departments respectively.The IP address of the PC1 is 192.168.1.2/24The IP address of the PC2 is 192.168.1.3/24The IP address of the PC3 is 192.168.2.2/
Tag: Error Str instr cal failed to start. Lib led Moni 1.3Because the production environment requires a set of elk environment, but the log collector program Logstash need to rely on the corresponding version of the JDK environment, the specific version depends on the download prompt, prompted as follows:Https://www.elastic.co/downloads/logstashVersion:6.1.3releasedate:january30,2018notes:viewdetailedreleasenotes. Nottheversionyou ' relookingfor?viewpastreleases. java8isrequiredforlogstash6.xand
SGA_MAX_SIZE parameter or SGA_TARGET parameter.
4. Operation example
SQL> SELECT name, bytes/1024/1024 MB, resizeable from v $ sgainfo; name mb res -------------------------------- ---------- --- Granule Size 4 No MATTER ---------- --- SQL> show parameter sga_max_size; name type value -------------------------------------------------------------------- sga_max_size big integer 160 MSQL> alter system set sga_max_size = 1025 m scope = spfile; release E M altered. SQL> startup force; ORACLE inst
15556608 bytesdatabase mounted. database opened. SQL> show parameter sga_max_size; Name type value -------------------------------------- ------------------------------------ sga_max_size big integer 1040 m -- all Memory component allocation size must be an integer multiple of granule, And the right 1025 is closest to 1040, so it is 1040 MB. SQL> select name, By
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