Removal of the ORACLE11G client document file in the CentOS environment

Remove the installation directory[Email protected]/root]# rm-rf/opt/oracle/Delete a file under/usr/bin[Email protected]/root]# Rm/usr/local/bin/dbhome[Email protected]/root]# rm/usr/local/bin/oraenv[Email protected]/root]#

Fix Linux system under CentOS adjust home and root partition size "Turn"

Transfer from Reduce the volgroup-lv_home to 20G and add the remaining space to the Volgroup-lv_root1. Check disk usage First[[email protected] ~]# df-h file systemcapacity has been used with available%

Linux Beginner (CentOS) Considerations (i)

Linux is strictly case sensitive (command, file name, user name, etc.) All Linux content is saved as a file, including hardware Hard disk File is/dev/sd[a-p] (A,p is the drive letter name) CD-ROM files are/dev/sr0 etc. Linux

VirtualBox Installing the CentOS virtual machine

Start to contact Linux, because my proud of the computer can not be installed on the dual system, so have to install virtual machine, or, save the switch back and forth, the following is the process.If there is any mistake, please correct it! O (∩_∩)

CentOS Firewall Open 80 port

Painstakingly compiled installation finished ngnix,mysql, PHP, after the discovery can not access, later found that the firewall to the 80 port to disable. Open: (The following reference from: #/sbin/iptables-i

CentOS System Catalog Parsing

CentOS System Catalog Parsing 51c0c5d8326d30b7f2c2e79d45fdb4c2#rdFirst, the common color Green: Executable file White: General files, mostly text files Blue:

USB flash drive After installing CentOS will not start problem solving method

USB flash drive after installing CentOS will not start problem solving methodCategory: Hadoop 2014-06-30 15:47 646 people read comments (0) favorite reports Today after the installation of CentOS found the boot file installed on the U disk, so

A detailed description of the Centos-----system startup process

Yesterday, a predecessor asked me, Liunx system is if the start, I just said a probably, but the specific process did not understand thoroughly, today deliberately found on the internet below the flowchart, and according to the diagram, carried out

RedHat EL5 CentOS Update


View the current system version number[Email protected] ~]# less/etc/redhat-releaseCheck if the system has installed a package that already has Redhat's own Yum series package[Email protected] ~]# Rpm-qa | grep YumYum-metadata-parser-1.0-8.fc6Yum-3.0

rpm method to compile and upgrade the CentOS kernel

[[Email protected]~]# rpm--import[[Email protected]~]# RPM-IVH[[Email protected]~]#Yum--enablerepo=elrepo-kernelInstallKERNEL-LT-y [[email

CentOS Installation Docker

I. Upgrading the KERNEL[[Email protected] ~]# RPM--import[[email protected] ~]# RPM-IVH[Email protected]

CentOS 7 x64 Docker preliminary interview

CentOS 7 x64 Docker useCentOS 7 Installation DockerYum Search Docker to see if a Docker package is availableYum Info Docker version is 1.3.2Yum-y Install Docker installation DockerDocker--versionDocker version 1.3.2, build 39fa2fa/1.3.2Close

CentOS 7/rhel 7 run single-user mode for root password reset

Step one, press the keyboard at the boot, enter the following menuStep Two: Select the first item, press the E key to modifyStep three, navigate to Ro (Linux or Linuxefi)Step four: Change the RO to "RW init=/sysroot/bin/sh".    After completion,

CentOS Command Essay notes (Miscellaneous): CD, PWD

1. Page UP and down:The reverse commands are generally shift-pageup and shift-pagedown.Daily one command: CD1. CD/Enter the system root directory2. cd. Enter the system root directory to use the CD. "Always back, you can reach the root directory3.

CentOS IPs Bonding

CentOS IP Bonding One network card multiple IPs, multiple ports one IP1, configuring a NIC multi-IPS casecp/etc/sysconfig/network-scripts/ifcfg-eth0/etc/sysconfig/network-scripts/ifcfg-eth0:0Device= "Eth0"Type= "Ethernet"Uuid= ""onboot=

CentOS upgrade Kernel (compile and install)

Yum install-y wget gcc gc BC GD make Perl ncurses-devel XZ: Linux-3.4.56.tar.xz#mv linux-3.4.56/usr/src/linux-3.4.56#cd/usr/src/linux-3.4.56# make Mrproper #清除环境变量, that is, clear the configuration file# Make

CentOS Install Tomcat

First, install the JDK1. Place the JDK according to your preference, I put it under/usr/java #cd/usr#mkdir java#cd#tar zxvf jdk-7u71-linux-x64.gz-c/usr/java 2. Add environment variable #vi/ Etc/profile at the end of the file plus java_home=/usr/java/

Install scp and ssh commands on CentOS and troubleshoot the problem

Install scp and ssh commands on CentOS and troubleshoot the problem Install scp commands and troubleshoot CentOS errors In the test, files must be transferred between two virtual machines. The scp command is first generated, and the result is as

Solve the following error in CentOS: xx is not in the sudoers file.

Solve the following error in CentOS: xx is not in the sudoers file. I am using redhat5.4. If a general user executes the sudo command, the following error occurs: llhtiger is not in the sudoers file. This incident will be reported. solution: I. $

How to restore the accidentally deleted/sbin/service from centos

How to restore the accidentally deleted/sbin/service from centosWhen executing the rm command, I accidentally deleted the very important System service Startup command/sbin/service by mistake. So I searched the internet and couldn't find any related

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