directory is/users/magedu, and then su switch to this user, copy multiple files to the home directory;# useradd-d/users/magedu magedu# su magedu# cp-r/tmp//users/magedu15, expand MYLV1 to 9G, ensure that the original data is fully available after the expansion;#lvexpand-L 9G/DEV/MYVG/MYLV116, reduce MYLV1 to 7G, to ensure that the original data is fully available after the completion of the reduction;# UMOUNT/DEV/VGTEST/MYLV1# e2fsck-f/DEV/MYVG/MYLV1# RESIZE2FS/DEV/MYVG/MYLV1 7G# lvreduce-l 7G/
Fdisk/dev/sdb to enter the Fdisk tool to create a new partition Sdb11,sdb12,sdb13 each 4G2) Save exit, partx-a/DEV/SDB Update partition table3) ~]# mdadm-c/dev/md5-a yes-l 5-c 256-n 3/dev/sdb11/dev/sdb12/dev/sdb134) ~]# Mkfs.ext4/dev/md5 #建立成功后格式化5) ~]# Mkdir/bachup #创建文件夹6) ~]# Mount-o acl,noatime/dev/md5/backup #挂机文件系统不更新时间戳, and has ACL function7) ~]# blkid/dev/md5 look at the UUID and copy the file in the back row of the/etc/fstab to let it boot up8) df-h View File systemThis article is fro
, again with the legitimate file transmission still appear MD5 inconsistent situation.4. Resolve the system crash caused by transferring files exceeding the space limit.Attached: Brief description of the continuation of the breakpoint1. Connect to the server using the client first2. Uploading files and terminal client3. Re-login to the server:4. Re-upload5. If you upload files with the same file name but different contents, you will get an error:The server reports the following prompt: The clie
;iTen; i++) {printf ("%d\t", B[i]); } } /*there is an array of {2,5,6,11,15,17,22,34,45}, any integer entered by the user is in the array, if it is not printed without the number, if the number is deleted, and the following numbers are moved forward sequentially, finally with the number 0 to fill the position. For example: User input 22, then the data in the array changes to {2,5,6,11,15,17,34,45,0}*/#includeintMainvoid){ inta[9]={2,5,6, One, the, -, A, the, $}; inti,j; inttmp=0; intnu
[i]); } } return 0; }4. Submit an AnswerTopic Three: 7-4 find integers1. TopicsThe subject asks for a given x from the input n integers. If found, the position of the output x (starting from 0), if not found, outputs "not Found".Input format:The input gives two positive integers n (≤20) and X in the first row, and the second line gives n integers. Numbers do not exceed long integers, separated by spaces. Output format:Prints the position of x in a row, or "not Found".2. Submission
How does SQL Server2012 create timed jobs? Interested can look at, illustrated Oh!
1, first we open the SQL Server Agent, which selects the job
2, right key job, select New Job
3, fill in some corresponding content, name and description can be filled in.
Note that you have enabled this tick to be checked on. Categories we can do this by default and make changes according to your requirements.
4, select the steps, click New
5, fill in the name of
Sina Science and technology news Beijing time May 2, according to foreign media reports, IBM Staff Alliance said in Tuesday, IBM will be in the United States to cut 1315 jobs related to IT services. The IBM employee Union is a union organization under the American Association of Communications Workers (CWA).
According to the IBM Employee Alliance on its website, the areas that have been affected include computer server system operations, technology i
is a simple and rude method, the program directly control the database connection, need access to connect from the database server, perform the required operation after the release of the connection, This may be a viable option in small local programs or in projects with low concurrency requirements, which can withstand 100 or so concurrent accesses at that time, but only for a short period of time, but for a long period of high load, the entire system will not be able to escape paralysis.There
is not difficult to use Group by after the 5th question.SELECT athlete. Nationality,Count(1as fromWHERE=GROUP by having Count (1) >= 2;The results are as followsThe 4th question does not allow group by to ask the teacher and not to use aggregate functions such as Sum countI wrote the following code withMedal_nationality as ( SELECTAthlete_name, Athlete.dateofbirth, Olympicevent_year, Olympicevent_name, nationality fromathlete, competesWHEREAthlete. Name=Competes. Athlete_name andAthlete. da
assignmentsVi. (laughter) The personal summary of the fish blogger1, this is the second time evaluation of the fish Bo Master homework, more than the first time personal feeling has a lot of progress (?? _?), the first time to judge the work encountered many difficulties, such as: SQL SEVER2008 connection is not on the local server, the student submitted folder can not open, even if the folder repair is useless , debugging code, and so on, and so on, but also gradually increased their experienc
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Summary of this week's study
1.1 Summarize the relevant contents of the database in the way you like (mind map or other).
Transform your system with a database
2.1 Briefly describe how to use the database to transform your system. What table do you want to build? The design of your watch.What are the key classes used in JDBC in the 2.2 system?2.3 Key code for database related modules. Critical lines need to
', ' 1122335 ', ' Gao ') INSERT into press values (' 3003 ', ' Liangshan press ', ' 2533121 ', ' Shandong ') insert into press values (' 3004 ', ' Xiaoyao press ', ' 5723121 ', ' Anhui Hefei ')5, revoke the Book table, and use the command in the Query Analyzer to reconstruct the Book table. (Requires a command to define its primary key and foreign key constraints).New queryDROP table book create table book (book number int notnull PRIMARY KEY, book name varchar (255), author number int, publish
Label:1. Number of database backup scripts:Database backup:DECLARE @BcpFile varchar (+), @SQLBACKUP varchar (+), @BcpFullFile varchar (100)SELECT @BcpFile =convert (CHAR (8), GETDATE (), 112)SET @BcpFullFile = ' E:\BACKUP\AlarmMonitor_ ' [email protected]+ '. Bak '--here is the path to backup remember to delete when copyingSET @SQLBACKUP = ' BACKUP database alarmmonitor to disk= ' [email protected]+ '--alarmmonitor is the database name. You can change it to your own.EXECUTE (@SQLBACKUP)2. Open d
reachable \033[0m"ElseEcho-e "\033[31m the host 192.168.1. $i is unreachable \033[0m"Fii=$[$i +1]DoneThe main difficulty with this script is how the conditional statement of the IF is written. There is also a character coloring.7, detailed description of each network interface configuration file The meaning of each parameter and its corresponding value;TYPE Specifies the Data Link layer protocolBootproto what protocol is used to configure interface properties when activating this interfaceDefro
loneliness behind the game process every time I enter the PS2 game. I have a hard time thinking about this kind of gameplay. Apple's success continued to reach the iPhone last year, setting off the sinking of other mobile phone giants. In the past five years, like Intel, Microsoft, and Sony, Nokia, Ericsson, Motorola, and Motorola mentioned earlier, although there are many products with brand extensions, but none of them are excited by the iPhone wow and Wii. There is nothing to say about the v
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