written, not written in memory, where is the latest metadata record. is actually recorded in a very small file, this file does not provide modification, only provide append, log in the form of records, has been maintained a few 10 megabytes, called Edits***.log, for example, when uploading a file, the first query Namenode, where to write, Namenode side of the allocation of records, the spatial distribution of information records
G rsquo; Mic is a powerful GIMP plug-in. It is an open and complete framework for image processing, provides several different user interfaces for converting/processing/filters/universal visualized image datasets. G rsquo; Mic can be used in Linux and Windows. G rsquo; MIC provides a window that allows you to add more than 500 filters and preview results to your photos. G rsquo; the latest version of MIC1.5.8.5 has been released. You can install G
that the convenience of file sharing as the cost of improving the startup time is not worth it.
3. No Gimp
Some Ubuntu users may think that Gimp is not included in Ubuntu 10.04 ?! But this is true.
For a long time, Gimp is a standard configuration for Linux graphics users. Gimp is included in previous versions of Linu
then delete the same directory of logo_linux_clut224.c files, recompile the kernel, you can start after the screen in the upper left to see their own logo.
(using GIMP Software under Windows, enter GIMP in the Baidu search bar to download to the software)
The method 3 conversion method is as follows:(this method is strongly recommended for Lin)
Software gimp
operation. Combined with the man ID to see the Help information, point out each command function①ID displays the actual valid user ID (UID) and group ID (GID)②ID-U Display User ID③id-u root Displays the root user ID④id-u Jiang Display the ID of the Jiang(3) In the shell command terminal, enter the following command, observe the execution results, understand the specific functions of each command implementationThe purpose of the ①which Python which command is to search for the location of a syst
client side upload file HDFs when set, where the number of copies can be changed, block can not be uploaded after the changeData corruption Handling (reliability):When the DN reads the block, it calculates the checksum, if the computed checksum is not the same as the block creation value, it indicates that the block is corruptedThe client reads the BLOCK;NN token on the other DN and the block is corrupted, and then copies the block to the desired set file backup numberDN validates its checksum
instant messaging
QQ's current webqq is still okay. Empathy can install the latest libqq2010 protocol by drinking pidgin @ googlecode;
Sina Weibo has many clients, in addition to official recommendations, and eicodesignAnd the gwibber plug-in.
sudo add-apt-repository ppa:gwibber-team/ppasudo apt-get updatesudo apt-get install gwibber gwibber-service-sina gwibber-service-sohu
MSN Client
sudo apt-get install amsn
Other solutions are easy to solve!
Skype:
sudo apt-get update amp;amp; sudo apt-get
you with more flexibility.
Finally, we will introduce The GIMPhttp: // www.gimp.org ). You may already know that it is an image editing tool. If used in combination with The plug-in http://sourceforge.net/projects/quiteinsane/ named QuiteInsane, The GIMP turned into a powerful scanning application. When you use The GIMP for scanning, you not only have The opportunity to set many options, such as color or b
calculate can, empathy drink pidgin can install the latest libqq2010 protocol @ googlecode;Sina Weibo many clients, in addition to the official recommendation and Eicodesign, there are gwibber plug-inssudo apt-add-repository Ppa:gwibber-team/ppasudo apt-get updatesudo apt-get install gwibber Gwibber-service-sina Gwibber-service-sohuMSN Clientsudo apt-get install aMSNThe rest is easy to solve!There is also Skype:sudo apt-get update sudo apt-get install Skype
#15, install the Java run time JREsu
Screen" key in the upper-right corner of the keyboard to display the entire Screen. After a click, the dialog box for saving the image is displayed, which is very convenient.
2. Alt + PrintScreen: If you only need to perform the current window, press Alt + PrintScreen.
3. shift + PrintScreen: If you only want to operate on a certain area, press Shift + PrintScreen, and then the mouse pointer changes, hold down the left mouse button and drag it, you can select the range on the screen.
TIPS: when
biggest selling point of 2.3 boast is the ease of file sharing, and the lack of Samba seems to give people a sense of mutual deviation. Ubuntu developers claim that they only need to right-click the folder and then share files with other Linux or Windows users over the network. However, premise
The Samba software must be installed in the Ubuntu operating system, but why not use Samba as the default software of ubuntu 10.04? The reason is that Ubuntu developers may want to minimize the number of
after/ect/passwd with a root,beimingfeng,^user of three casesQuery for matching rows with arbitrary length numbers under/ECT/PASSWDQuery for matching lines with any length of letters under/ECT/PASSWDQuery for matching rows with a string of 0-9 digits longer than 4, under/ECT/PASSWD3sudo apt install gimp: Install GIRPWhich GIMP: Displays the directory where GIMP
Tags: stream editor download file ls-l less GIMP no sign sequentially delimiterShell Command Application Exercise(1) The use of the following documents is briefly reviewed through the Help information/ETC/PASSWD records the user's account/etc/shadow is an optional encrypted password file (view requires sudo permissions)/etc/group saves the names of all the groups in the system/etc/gshadow Security group account informationView the file description for
,version a bit more like Namenode's ID than the previous Hadoop-0.21.0 of HDFs. Every time-format was born on behalf of Namenode.At the same time as-format, two files are generated for fsimage_** and edits_**. Using $bin/hdfs Namenode will start the namenode in the normal way.Fsimage: meta-Data snapshotEditslog: operation of Meta dataWhen Namenode is started, the state of HDFs is read from the image file Fsimage and the actions recorded in the edits f
Error 1: In the process of uploading files to HDFs, the hint file is always in the process of copying and uploading, consuming a lot of time. The error is as follows:
2015-06-30 09:29:45,020 INFO org.apache.hadoop.hdfs.server.namenode.FileJournalManager:Finalizing edits file/home/ lin/hadoop-2.5.2/tmp/dfs/name/current/edits_inprogress_0000000000000000114-/home/lin/hadoop-2.5.2/tmp/dfs/ name/current/edits_0000000000000000114-0000000000000000127 2015-06
important operation, in the copy layer on the ctrl+alt+shift+t (again to transform the copy), in the area of the blank again appeared an image, repeated transformation of the copy of the action, you can continue to cycle, adjust the layer, you can get the following effect.
Bingo~ is not very simple ah, in fact, as long as the effect of the spiral matrix software can do, not only Photoshop can do.
Of course this is the simplest effect, there is no better play?
Here's t
: Which, Whereis, locate, find all have the function of retrieving, combine execution result, find help information, summarize its difference)which to view the location of an executable fileWhereis to view the location of a fileLocate View file locations with a databaseFind actual search hard disk query file name
②grep
-N
-E
' root|jsj|^user* '/etc/passwd (hint: extended regular expression)
Grep
-N
-E
' [[:d igit:]] '
/etc/passwd
, you should enclose the pattern string in single quotation marks.Question three:sudo apt install gimpInstall the picture processing tool GIMP.Which GIMP: shows that GIMP is installed in that file directorysudo apt remove gimp: Delete picture processing system GIMPWhich GIMP cannot query for
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