sql single user mode

1. Boot into the Grub interface2. An option is available at this time: Advanced options for Ubuntu (Ubuntu Premium), select Direct Enter3. See that there are many options in it, select the option with Recovery mode on the back (never enter!). ), press the letter E4. The key time is up, the fourth line, you will see a line linux/boot/vm.......ro recovery \nomodeset,Step 1: Remove recovery \nomodesetStep 2: At the end of this line add quiet splash rw In

Reset the root password in CentOS6.6 single-user mode 1. Press any key when starting the instance because the default time is 5 s. 2. There is only one kernel in the grub menu. There is nothing to choose from. Press the e key. However, if you have upgraded the system or installed Xen virtualization, there will be multiple displays. 3. The following figur

Add "space", and then type "1" or "s" or "s" or "single" can be, press ENTER return to the previous layer650) this.width=650; "src=" Http://s2.51cto.com/wyfs02/M00/82/59/wKioL1dRxCCgl4-DAAAM5I9e-I8483.png "title=" Dz1zn3u~b ' Bbq3]~~09l1$y.png "alt=" Wkiol1drxccgl4-daaam5i9e-i8483.png "/>650) this.width=650; "src=" Http://s1.51cto.com/wyfs02/M01/82/5A/wKiom1dRw0GgrIwEAAAMX8P4cT0295.png "title=" ck[d$ XOZB1 (k~n2@btgq[1h.png "alt=" Wkiom1drw0ggriweaaa

Environment: Redhat 6.4oracle11g RACYou need to shut down the operating system's firewall and SELinux before installing oracle11g.1. Shut down firewall: iptables-f ———————————— Clear Firewall PolicyService iptables stop ——————— shut down the Firewall serviceChkconfig iptables off —————— Disable Firewall service from booting2. Turn off SELinuxThe value of the "selinux" parameter in the configuration file /etc/selinux/config should be modified,# selinux=enforcingSelinux=disabledHowever, the "Selin

1. Get the VNC addressNova Get-vnc-console 8cf12579-85ee-41f4-ab9f-55a608c5640b Novnc+-------+-------------------------------------------------------------------------------------+| Type | URL |+-------+-------------------------------------------------------------------------------------+| Novnc | http://10.197.128.253:6080/vnc_auto.html?token=619fde8a-71d7-4c70-8d7d-3452d8cf0918 |+-------+-------------------------------------------------------------------------------------+2. Login VNC Interfac

"/>3. Press the E key again and the following interface appears:650) this.width=650; "src=" Http://s5.51cto.com/wyfs02/M02/85/E5/wKiom1etj6axWAllAAALZZ9p6BA455.png "title=" 2016-08-12_165746.png "alt=" Wkiom1etj6axwallaaalzz9p6ba455.png "/>4. Enter "single" or "1" for "s" after quiet, and note that there are spaces behind the quiet.650) this.width=650; "src=" Http://s4.51cto.com/wyfs02/M00/85/E5/wKiom1etkEvxZTCxAAAMQsiFAGg032.png "title=" 2016-08-12_

1. Restart LinuxRestart: Reboot, init 6, Shutdown-r nowShutdown: Init 0, Poweroff2. Press the arrow key when the following screen appears at the moment of reboot. and select the first one. and press E, the following interface appears.3. This interface is the grub interface. Grub: Boot tool to manage the boot program of the system disk. Boot the hard drive to boot and load the kernel.Find the rows and change the RO to RW. RO: Read only. RW: Read and write.As shown in the following:Add again: Sysr

1. When rebooting or powering on, press any key at the bottom of the 3-second interface.2. The interface has the following prompt (e edit a change kernel option C command line B start), so we press "E" to edit.3. Select the second row and press the "E" button to edit4. Add one of the "singal,s,s,1" to the end of the line, then enter.5. Press "B" to start.6. After booting, you can reset the root command with the passwd command.Change the root password in sing