How to install and use Composer on CentOS 8

This article was first published in: https://www.itcoder.tech/posts/how-to-install-and-use-composer-on-centos-8/ Composer Is a PHP dependency manager (like npm for Node.js or pip for Python). Composer will pull all PHP packages that your project depends on and manage them for you.It is used by all modern PHP frameworks and platforms, such as L ...

Posted on Mon, 06 Apr 2020 21:41:52 -0400 by tskweb

CentOS7+mysql5.6 configuration master slave

1, Installation environment Operating system: centos-7-x86_-dvd-1611.iso Database version: mysql-5.6.39-linux-glibc2.12-x86_.tar.gz Database address: 192.168.2.1 (main) 192.168.2.2 (from)   MySQL was installed before and after 5.6 in a different way.   The mysql installation is self-organized. The master-slave configuration is based on ...

Posted on Sat, 04 Apr 2020 20:43:40 -0400 by Kitty

Linux: the introduction of deleting files by mistake and recovering them by using the extundelete tool

Operating system version: CentOS release 6.4 (Final) software version: outsundelete-0.2.4.tar.bz2 1. Use the rz command to upload the extundelete-0.2.4.tar.bz2 to the / tmp folder and extract the software. [root@localhost tmp]# tar -jxvf extundelete-0.2.4.tar.bz2 2. Enter the directory under which the extract is extracted, and perform the co ...

Posted on Fri, 03 Apr 2020 12:08:04 -0400 by sword

Use VirtualBox to install CentOS7 and set up LNMP+WordPress personal blog

Using VirtualBox to install CentOS7 Installation resource preparation With VirtualBox software and CentOS7, the installation media can be obtained by email. Linux environment preparation View ip Modify the parameter, and change ONBOOT to yes: vi /etc/sysconfig/network-scripts/ifcfg-enp0s3 TYPE=Ethernet BOOTP ...

Posted on Thu, 02 Apr 2020 08:05:20 -0400 by coldkill

Installing VMware Station 12.5 on Linux CentOS 7.4

An error occurred while installing VMware Station 12.5 on Linux CentOS 7.4. Run the following command: ./VMware-Workstation-Full-12.5.0.x86_64.bundle  It seems that everything is normal. But when you start up, you will be prompted to go to / TMP / VMware root to see a log. Open that log, that's it. 2018-03-09T08:07:27.986-05:00| vthread-4 ...

Posted on Thu, 02 Apr 2020 03:36:57 -0400 by Obadiah

Three ways for CentOS 7 to create a local YUM source

Because the development environment only has local area network, some servers can't use all kinds of YUM sources on the network. It's difficult to copy rpm packages back and forth for installation, and the dependency problem has to be solved. I want to build a local / LAN YUM source in CentOS 7.3 to facilitate the installation of software with ...

Posted on Wed, 01 Apr 2020 08:51:41 -0400 by alex2046

Knowledge point 032 expect distributes installation scripts and installation services

System environment: 4 servers System version: CentOS release 6.9 (Final) 10.0.0.62 m01 distributor 10.0.0.63 web server 10.0.0.64 nfs network transport shared server 10.0.0.65 backup server   1. Write a. exp script #!/usr/bin/expect if { $argc !=2 } { send_user "usage: expect fenfa_sshkey.exp file host\n" exit } #define var set file [li ...

Posted on Wed, 01 Apr 2020 02:49:17 -0400 by new2code

Making CentOs+tomcat+jdk image with docker

Download CentOs image docker pull centos docker images Start CentOs image docker run -d -i centos /bin/bash View through docker ps command CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES edba2dce7336 centos "/bin/bash" 8 seconds ag ...

Posted on Mon, 30 Mar 2020 16:21:10 -0400 by Crysma

Is Percona XtraDB Cluster 5.7 event executed repeatedly?

Recently, a business system is about to transfer from single point to PXC cluster. The problem is how to execute the event s running on a single instance of mysql after transferring to the cluster? With this problem, an experiment is done and the relevant conclusions are given. If you have similar doubts, read on. 1, Environ ...

Posted on Sun, 29 Mar 2020 14:54:32 -0400 by ricmch

Analysis of Docker Storage Technology

Docker supports many storage drivers on Linux, each with its own implementation of mirror layers, mirror layer sharing, and write-time replication (CoW). Docker Storage Infrastructure Mirror Layering All Docker mirrors start with an underlying mirror layer, which is created when new content is modified or added.The default Docker image is made ...

Posted on Fri, 27 Mar 2020 14:02:01 -0400 by dsaba