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

Let's create a directory dedicated to the backup files for MySQL. /data/mysql_bak. Write a shell script that backs up the test once every minute.Script code:755 /testdir/backup.sh //Give script permissionThen perform a timed task* * * * * *

Upgrade, recommend restart after completionYum -y updateUninstall the installed MySQLYum -y remove Mysql-libsInstallation dependenciesYum Install Numactl-libsDownload the installation

Step 1: Extract Tomcat Command: Unzip Apache-tomcat-8.5.20.zip Step 2: Move Tomcat under "/usr/local/src/java/tomcat8.5" and rename Command: MV apache-tomcat-8.5.20/usr/local/src/java/tomcat8.5 Step 3: Grant

Preparation of a compilation environment---------------------------------------------------------------------------------------------------------Yum Install GCCYum Install gcc-c++ Libstdc++-develYum Install Zlib-develSecond, the source package

1. Click "File-New", as2. Select "Typical". Next3. Select "Install operating system later", next.4. Select the type of operating system to install, next5, fill in the virtual machine name, set the virtual machine storage location, next6. Set the

Common commandsDescribe the old command new commandEnable the service to start automatically chkconfig--level 3 http on systemctl enable service name. Service Systemctl Enable Httpd.serviceMake the service not start automatically chkconfig--level

This document takes a look at the steps to graphically install the CentOS system using mirroring on VMware1. Be sure to create a new virtual machine, select the downloaded ISO as the installation source2. Select the installation directory, I

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++

SELinux (security-enhanced Linux) is the United States National Security Agency (NSA) implementation of mandatory access control, is the most outstanding new security subsystem in the history of Linux. Under the restriction of this access control

"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. Installing the GCC compilerFirst, see if the GCC compiler is installedIn the shell console input gcc-v if not installed see nextInstalling GCC with YumaYum Intsall gccSee the following view to indicate that the installation was successful2.

1. View the system language[Email protected] ~]# echo $LANGen _us.utf82. View system language of the system[Email protected] ~]# LOCALE-AZH_CNZH_CN.GB18030ZH_CN.GB2312ZH_CN.GBK Zh_cn.utf83. Use the command to set the language to Chinese[Email

1. Install dependent environment# yum-y Install zlib-devel bzip2-devel openssl-devel ncurses-devel sqlite-devel readline-devel tk-devel gdbm-devel db4-de Vel libpcap-devel xz-develwget https://www.python.org/ftp/python/3.5.2/Python-3.5.2.tgz3.

The Python version under CentOS is generally low, and many applications need to be upgraded to Python. The default Python version I installed for CentOS is V2.6.3, but the version that runs node. JS needs to be above 2.5.1. To download the python3.3

One, set up shared foldersCreate a shared folder in Windows (F:/share)To set the path of a shared folder in VirtualBox650) this.width=650; "Src=" Https://s3.51cto.com/oss/201711/07/9929a51a8171a77ccf5b5de3295862d6.jpg-wh_500x0-wm_3 -wmp_4-s_120865316

The experimental environment: win7,vmware12.x version, centos6.5/6.91. Mount the Vmwarea-tools disc (linux.so of the installation directory)or direct virtual machine option, select Install Vm-tools2.1 Mount the optical drive to the/mnt folder under

New assigned CentOS run in the network environment, unable to connect to the Internet, in order to be able to use Yum to deploy the OpenVAS tool, you need to set up an agent on the intranet under a Windows host, as a proxy server to make the virtual

Solve the problem that non-root users in centos frequently encounter Authentication is required to set the neWhen a non-root user logs on to the linux server, a dialog box always pops up. After the dialog box is closed, it will pop up later. The

Solve Problems Related to centos compilation./configure My problem is: the following error occurs when you install nagios, compile nrpe, and nagios-plugin. [Root @ localhost nagios-plugins-2.1.2] #./configureChecking for a BSD-compatible install.../