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Install Oracle 11G Single-instance database on Linux under VM virtual machine1. Environment and pre-installation planning: virtual machines and OS as followsEnvironment: VMware wordstation Ace Edition 6.0.2Operating system: Oraclelinux-r5-u8-server-i386-dvd 3.2GTo install the operating system, it is important to note that there is enough disk space to reserve.My plan is to:The virtual machine allocates 1024M of memory, of course, if the host memory is

sf_name; For example, the shared folder name is share, then you see Sf_share.third, in the system associated with the virtual machine system, file sharing. Click the network right click on the desktop, select the Map Network drive, where the path of the folder, the path to the shared folder, finally the network location in the computer, the icon of the shared file appears, double-click the folder to display the shared content.Finally, the results of the implementation are as follows: Or

ServerCopyright (c), 2018, Oracle, MariaDB Corporation Ab and others.Type ' help ', ' or ' \h ' for help. Type ' \c ' to clear the current input statement.MariaDB [(None)]> create user ' username ' @ '% ' identified by ' password ';Query OK, 0 rows Affected (0.00 sec)MariaDB [(None)]> grant all on * * ' username ' @ '% ';Error 1064 (42000): You have a error in your SQL syntax; Check the manual, corresponds to your MariaDB server version for the right syntax "@ '" @ '% ' @ Line 1MariaDB [(None)]

Tags: cat box www. Advent passwd boot img start sharingThe answer is not complete, I rearrange the solution is seen on other sites.For VMware's forgotten password in CentOS, here's the solution: Start the system, press the ESC key above the keyboard before entering the system, enter the following interface 2. Press the E key on the keyboard to display the following interface3. Select the second entry kernal, press the E key, the following interface appears4. Make a space, enter the numbe

/init.d/iptables restartIf it doesn't work, you can use it this way.[[email protected] httpd]#/sbin/iptables-i input-p TCP--dport 80-j ACCEPT[Email protected] httpd]#/etc/rc.d/init.d/iptables Save[Email protected] httpd]#/etc/init.d/iptables restartAdd a third network card to CentOS, select only mode so that the virtual machine can be accessed betweenWhat we need to do is to enter the/etc/sysconfig/network-scripts directory and modify the ifcfg files of the two NICs.A. Modify the Ifcfg-eth0 file

Tags: secure network ini CRT domain-name 5.0 style BSP1. In the VirtualBox settings of the Network menu, connect mode Select Bridge Network card2. Start the system, set the static IPsudo vim/etc/network/interfacesAuto ENP0S3Iface enp0s3 inet StaticAddress 192.168.19.3 #静态ipGateway 192.168.19.1 #网关Netmask 255.255.255.0Dns-nameserver 202.96.209.5 #设置成和电脑一样, my is Ubuntu16.04, do not configure the words, Ping does not pass the extranet domain name3. Restart the network for configuration to take eff

Unzip the JDKIn the JDK folder, open the terminal input PWD command to copy the path of the JDK.Get root access to/etc Modify the profile text in/etcAt the end, add the following:Export java_home=/home/runqi/jdk1.8.0_161Export classpath=.: $JAVA _home/lib/dt.jar: $JAVA _home/lib/tools.jarExport path= $JAVA _home/bin: $PATHLoad the variable you just setTerminal Input Command Source/etc/profileInput java-version detection is configured successfullyUbuntu JDK environment variable configuration virt

/sbin/sestatus-v" if the "selinux status" parameter is "Enabled" ( Enabled ), turn off SELinux. temporary shutdown method (without restarting the machine):"Setenforce 0"Modify the profile shutdown method (requires restarting the machine): Execute the command "/etc/selinux/config"and change "selinux=enforcing" to "selinux= Disabled4) Execute the command "Vim/etc/ssh/sshd_config" to remove the comments from the following three lines:"Rsaauthentication yes""Pubkeyauthentication yes""Authorizedkeys

Lab Environment:VMware Workstation Pro VersionVMware Esxi 6.0.0 versionVMware Workstation installs a Linux system and exports the VMware Workstation Linux system to the OVF file,Deployed on the VMware ESXi server.Special attention:Linux system hardware compatibility with VMware Workstation version export requires compatibility with VMware ESXI 6.0.0, otherwise deployedThe OVF file will error. Also note that the VMware ESXI hardware configuration is greater than or equal to the Linux system hardw

1. Login to VCenter via VSphere client. Go to the VM2. Create a 1G new disk (SCSI 1:2) for the VM temperary3. Change SCSI controller1 to paravirtual from Logical LSI SAS4. Boot VM, and upgrade VMtools5. Shutdown the VM6. Remove the new disk (SCSI 1:2) and SCSI controller1 'll be removed automatic7. Change SCSI Controller0 to paravirtual from Logical LSI SAS8. Change options mem/cpu HotPlug to enable9. Remov

1. Command list:Xm list: list of all known virtual machinesXm create: Start an unmanaged Virtual MachineXm top: provides an overview of the status of all VMSXm console: Open the console to manage virtual machinesXm new: Add a virtual machine to the Xenbase hosting environmentXm start: start a VM from the Xenbase hosting environmentXm destroy: Shut down the virtual machine as if power off.Xm shutdown: Shut down the

32-bit system. When setting vm. min_free_kbytes, pay attention to the lowmem value. The Memory Policy in the kernel is adjusted today. One machine is a 16 GB 32-bit system with 16 GB memory. the min_free_kbytes value is set to 5% of the physical memory, that is, the memory is automatically released when it is less than 5%. Like other machines, edit sysctl. after conf, run sysctl-p. The result is a tragedy, and the server goes down immediately. If no r

Settings for JVM parameters in the JBoss server:There is such a setting in run.sh under $jboss_home/bin:Java code # force IPV4 in Linux systems since IPv6 doesn ' t work correctly with JDK5 and lower If [ "$linux" = "true"]; Then java_opts="-xms128m-xmx512m-dsun.rmi.dgc.client.gcinterval=3600000-dsun.rmi.dgc.server.gcinterval=3600000" Fi This parameter is the parameter that sets the Java VM. We can modify this parameter her

ReadLine used to create an interface to read data from the streamVMS provide the ability to execute scripts in an appVm+readline implementation of the simple JS execution command line toolDevelopment environment: Node4.2.4, with ES6 Arrow function/let/constDebug Cmder' Use strict 'Const ReadLine= Require (' ReadLine '); Const VM= Require (' VM ');//Creating InterfacesLet RL =Readline.createinterface ({input

Java generic parsing (03): the VM executes the generic code, java03Java generic parsing (03): executing generic code on a VMThe Java virtual machine does not have generic objects. All objects belong to common classes, and even in the early versions of generic implementations, you can compile a program that uses generics into a class file that can be run on the 1.0 virtual machine. This backward compatibility will be discarded later, therefore, if the

Docker in my eyes (1) docker, vm, lxcPreface What is docker? What can docker do? Why is docker so popular? I believe many people have this question. I also have. I think docker involves too many technologies. From the linux kernel to various cloud computing solutions, it is a little difficult for me. However, after learning about docker for a month, I still want to talk about it briefly. I hope it will be helpful for beginners of docker.Docker history

Today, the VM suddenly appears: Unable to open kernel device "\. \ vmcidev \ vmx": overlapping I/O operations in progress. Did you reboot after installing vmware workstation? This error occurs because the VM cannot be started. I searched for the solution at night and shared it with you below: Solution 1: (The test is feasible) Edit and modify the. vmx file corresponding to the virtual machine. Find thi

How does one add a VM in Apache? It is easy to add a VM in Apache. modify the configuration file: httpd. conf. 1. Remove the # sign before the following two lines of text. # Loadmodule vhost_alias_module modules/mod_vhost_alias.so Remove # It means to enable the virtual host function of Apache. # Include CONF/extra/httpd-vhosts.conf Removing this line # means importing the

What is a virtual host?Virtual hosts use special hardware and software technologies to divide a server host running on the internet into a "virtual" host. Each virtual host has an independent domain name or IP address, it has complete Internet server (WWW, FTP, Email, and so on) functions. Virtual hosts are completely independent of each other and can be managed by users. In the outside world, each VM is exactly the same as the master. Does

/snapshot/vm03-centos6.8/1.3 view disk Information 1 [[emailprotected] ~]# qemu-img info /data/images/vm03-centos6.8.img Tip: You can view all snapshots of a disk by viewing the disk information.1.4 view the current snapshot Information 1 [[emailprotected] ~]# virsh snapshot-current vm03-centos6.8 1.5 restore to snapshot 1 [[email protected] ~] # Virsh snapshot-revert vm03-centos6.8 1495821260 2 [[email protected] ~] # Virsh snapshot-current vm03-centos6.8 # view verification recovery again