1, the start of ObjectorreplicatorFirst execute the startup scriptSwift-init Object-replicator StartThe execution of this execution script is almost identical to the execution of the ring execution script. Locate the Swift source code bin under the Swift-object-replicator its code such as the following seeif __name__ = = ' __main__ ': parser = Optionparser ("%prog CONFIG [Options]") parser.add_option
-p
After successful landing,
Mysql>
We need to create a user to copy the data, we call him replicator , password to pick up.
Create user ' replicator ' @ '% ' identified by ' password ';
Then give him permission to copy the data.
Grant replication slave on to *.* ' replicator '% ';
This user is not able to cop
If you need to play video in large venues, need to use two projectors, now the projector, a lot of two video interface, an input, an output, then we use a notebook with two projectors in tandem.
This principle is the same as the computer with dual display video, it is necessary to have a separate video card and have two out of the interface.
Method/Step
1 before doing these things, we first need to determine the specifications of their own instruments performance. We can first lo
System Environment: Virtual Machine Fedoralive131, ls/dev/fb *. Check that no/dev/fb0 device file is created by default. 2. After searching for information, add the fb0 device: modify/boot/grub/menu. lst adds vga = 788 at the end of the kernel startup parameter. Note: No lilo exists in Fedora13. Therefore, you need to modify the kernel startup parameter to set vga in case 7 in grub.
System Environment: Virt
Red Hat 9 and runs on vmWare4.5.2, the cpu is Intel P4-2.4's
If you are using AMD cpu, the kernel provided in the attachment may not be suitable for you.
You need a Linux kernel that supports Frame bufferand devfs. If You Want To compile a script, download boot.tar.bz2 in the attachment.
Decompress the package to the/boot directory. If your boot program uses GRUB, add a title similar to the following:
Title Red Hat Linux (2.4.27-fb)
Root (hd0, 6)
Kernel/vmlinuz-2.4.27-fb root =/dev/hda8 devfs =
possible-none 0th plus the * number, indicating that this is the Current resolution used by the laptop. If the projector resolution is 1024x768, you need to change the laptop's resolution. In the above results, 1st X records correspond to records, so run this command to change the resolution: $ xrandroid-s 1. Wait for the projector to search. Connect to VGA and execute the command (VGA represents the displ
to a large monitor than two working simultaneously. The Mac notebook also offers a "close-cover Mode": The feature introduced from PowerBook G4 can be combined with a notebook's own screen, working with an external screen alone (of course, since the notebook is closed, the external keyboard and mouse are required).
After you close the screen of your Mac notebook, you only need to connect an external monitor, a power supply and a mouse keyboard, and the Mac will automatically wake u
(195x146) 78 18 576x3 84 (195mm x 130mm) 79 19 512x384 (173mm x 130mm) 80 81 82 20 416x312 (140mm x 105mm) 83 21 400x300 (135mm x 101mm) 84 85 86 87 22 320x240 (108mm x 81mm) 88 89 90 Current rotation-normalCurrent reflection-noneRotations possible-normalReflections possible-none 0th plus the * number, indicating that this is the Current resolution used by the laptop. If the projector resolution is 1024x768, you need to change the laptop's resolution. In the above results, 1st X records corresp
sqllite database file, and similar backups are made on the cluster like objects.2.3 Object ServerThe Object Server provides metadata and content services for storing, retrieving, and deleting objects on the local device. In the file system, the object is stored as a binary file, its metadata is stored in the extended properties of the file system, and it is recommended to use the default support extended attribute hungry XFS file system. Each object uses the hash value of the object name and th
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Background
There are many databases running on the line, and a data warehouse for analyzing user behavior is needed in the background. The MySQL and Hadoop platforms are now popular.The question now is how to synchronize the online MySQL data in real time to Hadoop for analysis. This article is the use of tungsten-replicator to achieve.
Environment
Because Tungsten-
In the MIZ702 study notes 7--try homemade with bus IP, I mentioned the simple usage of axi4-lite, driving the next running lights, only involved in the write bus. Today, I want to use the previous VGA module, the Axi4-lite read and write are applied. This article is mainly about the introduction of ideas, as well as the method of Axi4-lite reading. Some details please read the MIZ702 study note 7--try homemade with bus IP.The specific idea is shown in
, we have two options:
1. conv_uni_to_pc () conversion is not performed.
2. Load the ing relationship that conforms to the two-byte processing, that is, the 1-to-1 ing of non-control characters is performed. The custom Unicode code table that conforms to this ing is direct. Uni.
To view/load the Unicode ing table of the current system, use the external command loadunimap.
After conv_uni_to_pc () conversion, the characters in "Hello, world. N" are entered in the buffer zone of tty1. Then, do_con_
Document directory
Why cables anyhow?
Why not VGA or composite video cable?
What's the difference between digital cables?
Do I need expensive cables?
So which digital cable is best?
From: http://www.howtogeek.com/howto/32524/whats-the-difference-between-hdmi-and-dvi-which-is-better/
Are you confused by the barrage of video cables available today? Let's take a look at the most important video cables today, hdmi and DVI, and see what's the diff
can customize the UNICODE ing between UNICODE and display characters. In the default ing table, Chinese characters are mapped to other characters, which is not required. Therefore, we have two options:
1. conv_uni_to_pc () conversion is not performed.
2. Load the ing relationship that conforms to the two-byte processing, that is, the 1-to-1 ing of non-control characters is performed. The custom UNICODE code table that conforms to this ing is direct. uni.
To view/load the unicode ing table of
Apple Watch the debut of the 12-inch MacBook, light thin, really can be called home travel, pick up the necessary x artifact, and there are space ash, silver and tyrants gold three-color optional, and finally changed the MacBook always monotonous color. However, if you are not fully accustomed to wireless life, then, buy 12-inch MacBook Accessories Raiders, presumably you will need.
Because the MacBook's fuselage has only one usb-c connector, want more jacks? Please buy peripheral accessor
/read only = falselock file = /var/lock/container.lock[object]max connections = 2path = /srv/node/read only = falselock file = /var/lock/object.lock
Note: The path writes the location of your actual (just created) partition. Change address to the address of the current storage.
Edit vim/etc/default/rsync (set to start at startup)
RSYNC_ENABLE = true
RSYNC_ENABLE = true
Restart/start the service
Service rsync restart
service rsync restart
Create or check vim/etc/swift/account-server.conf
when it becomes, or generated when the slave first connects to the master for synchronization. If the ldif file is loaded without contextcsn,-W should be used with slapadd to generate it. This will make slave's first Synchronous Response faster.
This cookie is a comma-separated list of name = values. Currently, the cookie field arecsn of syncrepl is
② Delta-syncrepl
1. Configure master LDAP
Modify the Server Load balancer. conf of the master node: (copy and paste the master node and add the
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