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Self-study IT network Linux load balancing video tutorial

Course Intermediate 10977

Course Introduction："Self-study IT Network Linux Load Balancing Video Tutorial" mainly implements Linux load balancing by performing script operations on web, lvs and Linux under nagin.

Shangxuetang MySQL video tutorial

Course Advanced 17041

Course Introduction："Shangxuetang MySQL Video Tutorial" introduces you to the process from installing to using the MySQL database, and introduces the specific operations of each link in detail.

Band of Brothers front-end example display video tutorial

Course Advanced 10739

Course Introduction："Brothers Band Front-end Example Display Video Tutorial" introduces examples of HTML5 and CSS3 technologies to everyone, so that everyone can become more proficient in using HTML5 and CSS3.

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系统文件夹 - 重新安装ubuntu出现挂载点问题

titleubuntu重新安装出了问题 ubuntu系统出了问题，现在打算重新安装，保留原来的软件和文档。结果出现如图错误，显示："两个文件系统SCSl1=(0,0,0),第1个分区(sda)和第二个分区SCSl2(0,0,0),第三个分区(sdb)被分...

2017-04-24 09:13:40

vmware - 虚拟机安装centos6.2，提示the kickstart file有问题

刚准备安装就显示此界面看了开发修改的ks文件也没有发现什么问题。领导说是sdb的问题，要改成sda，但改了后直接进入分区后格式化的界面，再停在进程的最后一步，就不动了。这是什么地方的问题呢？

2017-04-25 09:01:18

Ways to fix issue 2003 (HY000): Unable to connect to MySQL server 'db_mysql:3306' (111)

I recently tried to containerize my FastAPIPython server (also for replication/doubling purposes). Before, I had just a MySQL server in a Docker container and everything was fine, but when I also made my web server a service, it couldn't connect to the MySQL server, so now the application doesn't work. Below is the code snippet of the server database initialization connector in the application fromfastapiimportFastAPIimportmysql.connectorapp

2023-09-05 11:18:47

Experiment with sorting after query limit

So this is my first question here, please forgive me if something is wrong. I'm trying to make a sort query based on constraints. So there is a Customers table with 90 records. I want to first perform a query limited to 3 records, and then sort the results of this query by a column called ContactName. I think this might be a nested query. Nested queries run fine in SQLServer, but don't know how to implement it in MySQL. Limit query: Select*fromcustomerslimit

2023-09-05 14:46:42

CSS Grid: Create new row when child content overflows column width

I have a two column layout based on CSS grid. When the content of the second column exceeds 1fr I want to create a new row. As it currently stands, the content simply overflows the column. One requirement of this layout is that the items in the right menu column are in one row. I achieve this with: .right-menu{...grid-auto-flow:columndense;...} If I remove the grid-auto-flow attribute, the overflow stops. However, the items are now stacked into multiple rows, which is not what I want. I also tried converting .ri

2023-09-05 15:18:28

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What device file is the sda of dev in Linux?

Course Introduction：The sda of dev in Linux refers to the hard disk; dev is the abbreviation of device. The dev directory is a directory used to store hardware device information. The hardware can be directly accessed through this directory. "/dev/sda" refers to the entire hard disk. In actual use Generally, there are partitions, namely "/dev/sda1", "/dev/sda2" and so on.

2022-07-13 comment 0 10701

What is the difference between sda and sdb in linux

Course Introduction：The difference between sda and sdb in Linux is: sda represents the first disk device of the scsi hard disk, and sdb represents the second disk device of the scsi hard disk. Among them, sd represents the scsi hard disk. The partition on each scsi disk is represented by adding a decimal number after the disk name. For example, sda1 and sda2 represent the first and second partitions of the first SCSI disk drive in the system.

2022-07-26 comment 0 12713

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