CentOS

The CentOS JDB2 process is always covered with IO, after checking some information to know that the problem stems from the system bug, here to record the solution:The disk with high IO will be remount with the following parameters.Mount-t Ext4-o

Reference: http://www.cnblogs.com/mchina/archive/2012/06/06/2539003.html1. Use Yum installation test hereUse PostgreSQL Yum Repository to install the latest version of PostgreSQL.[Email protected] ~]# rpm-i

1 Rpm-qa mariadb*650) this.width=650; "Src=" https://s5.51cto.com/wyfs02/M02/08/9B/wKiom1nkmDzipCL_AAFwPk3nxjg684.png-wh_500x0-wm_ 3-wmp_4-s_2561488328.png "title=" Sogou October 12, 17 1703_1.png "alt=" Wkiom1nkmdzipcl_aafwpk3nxjg684.png-wh_50 "/>2

Vmware ISO file for CentOS7 Method/Step 1Open the virtual machine software "VMware" and select "Create a new virtual machine"; 2Select the "Custom (Advanced)" option and click "Next"; 3Select the highest version in "Hardware

1. Successfully installed VMware Workstation.2. Download the CentOS image.3. Create a new virtual machine.4. Select Custom Installation and click Next (choose Custom Install to make it easy to configure some parameters).5. Click Next.6. Select

One day restart a Linux virtual machine, half a day not up, F5 view, there are error: Failed to load SELinux policy. Freezing. Is the SELinux set wrong? It is estimated that.Restart on the Start page, select the kernel to start, press E, go to the

ObjectiveSimply record the entire process of installing JDK 1.7 in CentOS 7 ~DownloadThe first is JDK 1.7 64bit & 32bit: jdk-7u79-linux-x64.tar.gz (http://download.oracle.com/otn-pub/java/jdk/7u79-b15/jdk-7u79-linux-x64.tar.gz) jdk-7u79-

1. Click the VMware Virtual Machines menu and select the "Install VMware Tools" command2, then the CentOS system will automatically mount VMware tools, and automatically open, if not open, you can go to the graphical interface to open VMware Tools3.

In the CentOS installation software, there may be a lack of support library, and error. Here first installs the system common support library. Then the installation will reduce the number of errors that occurYum install-y gcc gdb strace gcc-c++

First, install Centos6.5 (64-bit) steps in VMwareWorkstation10:Download VMware and centos6.5 first1. Open vmware-workstation Click "New Virtual Machine" to the wizard window. Select Customize, Next.  2. Select the virtual machine hardware

Objective The Linux startup process plays a vital role in the actual production. Imagine what we should do if we had a problem with a service in the actual production and couldn't start it. If we understand the Linux detailed start-up

VMware under the CentOS 6.9 installation tutorial, recorded as follows1. Create a new virtual machine(1) Click File--New virtual machine(2) Select Custom (Advanced)-Next(3) Select workstation 12.0--> Next(4) Select Install operating system

Today production environment of a server, Zabbix alarm space problem, using the DF command to view, disk space consumption of nearly 100%, the machine is not used on the data and logs out, but the space quickly reached 100%.Using Du view, want to

"Memo" Windows environment 20 lines of PHP code to fix audio clippingThe last time I wrote the article on how to operate ffmpeg in the Web under Windows, here is a log of the installation under Linux (CentOS)First of all: I spent about 1 hours at

1. Ensure that the project has a JDK installedPlease enter java-version in the system to see if the command existsIf the JDK is not installed, please go to the JDK installation under Centos/linux2. Download maven　　wget

DownloadThe first is JDK 1.7 64bit & 32bit:Jdk-7u79-linux-x64.tar.gz (http://download.oracle.com/otn-pub/java/jdk/7u79-b15/jdk-7u79-linux-x64.tar.gz) Jdk-7u79-linux-i586.tar.gz (http://download.oracle.com/otn-pub/java/jdk/7u79-b15/jdk-7u79-linux-i586

In Linux, different directories may have the same file. Despite the same name, the two files have a completely different effect. 650) this.width=650; "Style=" background-image:none; border-right-0px; padding-left:0px; padding-right:0px;

Install gcc (yum install gcc) because no GCC is unable to compile and install Python3.6: https://www.python.org/ftp/python/1 tar zxvf python-3.5.2.tgz2 CD Python-3.5.23./configure--prefix=/usr/local/python354 Make && make installThen install PIP3

CentOS7 installed by default python2.7.5, when you need to use Python3, you can manually download the Python source code after compiling the installation.1. The dependencies that may be used to install python3.51 yum install openssl-devel

First, prepare 1. A PC, a USB flash drive 2.windows prepare a blank partition (unassigned) 3. Soft disk pass making CENTOS7 u disk boot Second, start the installation 1. Plug in the U disk, the machine into the Blos,