CentOS

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* * * * * *

In general, Linux systems have their own JDK, but do not meet development requirements, so you need to uninstall, reinstall the JDKStep 1: View the JDK version of an existing installation Command: Rpm-qa | Grep-i Java Step 2:

1, if hardware detection is not required, select Skip directly2, Direct OK3, Next = Select Simplified Chinese = next = Choose us english keyboard = = Next = Basic storage device = Next4, select Yes/= Populate host name and lower left corner

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

1. Understanding Linux#linux是一个操作系统平台#在没有linux前是Unix的天下, Unix is not free, need authorization, the average person can not afford it.#1983年, the computer community, Richard Stallman, has launched a plan to build a completely free and free operating

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

CentOS 7 installs Python 2 by default, and when you need to use Python 3, you can manually download the Python source code and compile the installation.First, install the Python 31.1 installation Preparation$ sudo

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

[Email protected] ~]# service FIREWALLD restartRedirecting To/bin/systemctl restart Firewalld.serviceJob for Firewalld.service failed because the control process exited with error code. See "Systemctl Status Firewalld.service" and "Journalctl-xe"

Just contact Python, see a lot of controversy python2,python3, I do not know which is good, because I read the book author suggested learning Python3, so I also no matter who good or bad, just follow the author began it. CentOS Pre-installed is

#mkdir/mnt/airfreightdb #mount-T cifs-o username=admin , Password=xxxxxxxx //192.168.42.5/appserv /mnt/ Airfreightdb #ll/mnt/airfreightdb #mkdir/mnt/sdb1/ Airfreightdb #cd/mnt/sdb1/airfreightdb #vi airfreightdb.sh ***************************

Add win7 boot menu for CentOS 7Case backgroundThis case is to install the CentOS 7 Linux system on an idle partition, based on the Windows 7 system installed. When the Linux system is successfully installed, it does not retain the Windows 7 System

One: Install mono, this step refers to the official website1: Configure the Yum repository#Centos 7YuminstallYum-"http://keyserver.ubuntu.com/pks/lookup?op=get& Search=0x3fa7e0328081bff6a14da29aa6a19b38d3d831ef"yum-config-manager--add-repo http:

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

How to Use parallels desktop to install centos 7 and parallelscentos in mac Parallels Desktop (PD) is a virtual machine. DownloadAfter installation is complete1. Open PD2. Running Effect-CentOS 7 InstallationPrepare CentOS-7.iso images in

Solve Problems Related to CentOS 6.5 auto-Start FailureMeet There are many answers and methods on the Internet. It is basically a problem with the/etc/rc. local permission.Different I also encountered a permission issue, but I have a permission

Highlights of daily CentOs ProblemsQ: gcc: error trying to exec 'cc1plus ': execvp: No such file or directory 16:54:12 A: This is because the gcc and g ++ versions are inconsistent. Or, if only gcc is installed but g ++ is not installed, you only

Solve several methods for setting IP addresses in centos and Related ProblemsSet a temporary IP Address Ifconfig eth0 192.168.159.100 netmask 255.255.255.0If the virtual machine is configured with a nat address, the corresponding Nic is vmnet8.

Linux Virtual Machine Virtual Box installation and CentOS installation tutorial, virtualcentosOperating System and virtual machine selection Commercial Version of redhat: red hat enterprise linux (RHEL) focuses on servers without desktop operations.