Cloud Applications

1. use the root user to modify the/etc/lvmrc file to make the shared VG. first, disable the automatic active setting when the file is started. You must ensure that these VG are activated when SG is started. Back up the/etc/lvmrc file #

Installing GCC in Ubuntu is a little different from other Linux systems. 1) install vim) open the command line to run sudoapt-getinstallvim, and enter the administrator password as prompted. Gcc + gdb) enter the command line to run

First, by default, the default firewall policy of centos/fedora is to discard all and allow to be specified. this default policy is in line with the requirements of production. Next, I will configure iptabels appropriately to allow external

After the system is upgraded to Ubuntu10.04LTS today, an error message "anerroccurredwhilemounting/proc/bus/usb" appears when the system is started. you need to press the S key to skip it before entering the system. I thought it was an accident,

The following example uses the capture eth0 interface as an example. if "-ieth0" is not added, it indicates that all the interfaces including lo are crawled. First install tcpdump package: yuminstall-ytcpdump1, capture contains 172.16.1.122 package #

1. install dockerdocker on CentOS6.5. Currently, only Ubuntu is supported officially, so it is troublesome to install Docker on CentOS (Issue #172 ). Docker official documentation said that at least 3.8 of Linuxkernel is required, and CentOS6.4 is

Prerequisites: to crack the machine, cydia needs a tool to enable it. openssh2.tcpdump installation tool Method: 1. connect to the network, open cydia2. confirm Cydia is set to developer mode (management-settings-developers), search openssh, tcpdump

Error message: ThissystemisnotregisteredwithRHN solution: the reason is that your linux is not registered on the Red Hat Network, so you cannot download the software package. you can use centos as an alternative. Operation Method: 1. uninstall the

Yum is a good tool for managing the RPM installation package on Linux. its biggest advantage is that it automatically solves the dependency of the installation package. you can use groupinstall to install the packages in batches. Configure the yum

We buy a lot of rhel on the market is pirated, there is no way to update online, that is, cannot yum solution: rpm-qayum get: yum-3.0.5-1.el5. you can see that the yum software has been installed, uninstall it, rpm-eyum-3.0.5-1.el5 and then we

You can log on to the vSwitch using Telnet, SSH, Web, or console ports to obtain normal or privileged access permissions. in enterprises with a large number of network devices and high requirements for network security, the account used only for the

1FreeRadius1. 1 installation environment RHELAS4 prepare the installation package MySQL in idea? After xzvfxxxx.tar.gz enters the path of the unlocked source code 1 FreeRadius 1.1 Installation Environment RHEL AS4 Prepare the installation

TCPDUMP packet analysis and its role in server maintenance. The usage of windump is similar. Today, we set up two virtual machines to test tcpdump and test the commands described. To fully understand tcpdump. Vmware is used for centos5 virtual

After JBoss is installed, enter the address http://xx.190.xx. 25: 8080/iNMS31Web on the client and find that the default port 8080 is inaccessible. By default, the Linux firewall disables port 8080. Therefore, to access port 8080, you can disable

[Inscription] this article uses CentOS6.5minimal to quickly build an HTTP server and an FTP server for login only by authorized users. It is intended to use authorized FTP users to log on to the specified server folder to upload, download, modify,

Centos6.5 was released today. it only has a USB flash disk and does not want to burn any CD/DVD. so I tried the installation of the USB flash disk and network. step 1: Do not download all the iso image files of centos. download what you need!

Installation environment: CentOS-6.5 installation method: Source code installation software: apache-tomcat-8.0.rc3.tar.gzinstallation Preinstallation tomcatwill apache-tomcat-8.0.0.rc3.tar.gz file upload to/usr/local to execute the following

System environment: centos-6.5 installation method: rpm installation software: jdk-7-linux-i586.rpm test system original [root @ localhost ~] # Java-versionjavaversion1.7.0_24OpenJDKRuntimeEnvironment (build1.7.0 _ 24-b18) OpenJDKHotSp System

Linux has been on and off for so long and has tried to install mplayer/kmplayer for many times. this time it really hurt me. cool CentOSyum installation, binary installation does not work, various dependencies... so I found an article about the same

There are many detailed tutorials on CentOS installation. In fact, the key lies in the hard disk partition and software customization. Below I install the CentOS-6.5-i386-minimal on the VirtualBox virtual machine. 1. select