Couldn’t find device with uuid

Linux LVM commands result in Couldn’t find device with uuid Couldn’t find all physical volumes for volume group Help! Commands like ‘lvs’, ‘lvdisplay’, ‘vgdisplay’, and ‘pvscan’ result in an error like the following: Couldn’t find device with uuid ‘R5zG2s-g4yi-ytEO-8Xvk-2B0s-S36G-9nWhXP’. Couldn’t find all physical volumes for volume group metabackupvg. Couldn’t find device with uuid ‘R5zG2s-g4yi-ytEO-8Xvk-2B0s-S36G-9nWhXP’. Couldn’t […]

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Recovering a Lost LVM Volume Disk

Overview Logical Volume Management (LVM) provides a high level, flexible view of a server’s disk storage. Though robust, problems can occur. The purpose of this document is to review the recovery process when a disk is missing or damaged, and then apply that process to plausible examples. When a disk is accidentally removed or damaged […]

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VSFTPD CENTOS 6.5

CentOS installation configuration FTP server CentOS install FTP server is configured under a simple procedure notes. 192.168.1.12 client 192.168.1.10 server Installation yum install vsftpd [root@server ~]# yum install -y vsftpd Loaded plugins: fastestmirror Setting up Install Process Loading mirror speeds from cached hostfile * base: centos.mirror.secureax.com * extras: centos.mirror.secureax.com * updates: centos.mirror.secureax.com Resolving Dependencies –> […]

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NFS SERVER Centos 6.5

yum install -y nfs-utils rpcbind Environmental instructions nfs server system: CentOS 6.5 x86_64 nfs server IP: 192.168.1.10 nfs client system: CentOS 6.5 x86_64 nfs client IP: 192.168.1.12 Install the NFS server (192.168.1.10) Step-1: install nfs-utils and rpcbind, run the following command: yum install -y nfs-utils rpcbind Step-2: specify a fixed port for NFS, run the […]

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CentOS 7 Own CLoud 7

Install minimal install Centos 7 yum -y update [root@testserver7 ~]# yum install httpd php php-mysql mariadb-server mariadb sqlite php-dom php-mbstring php-gd php-pdo wget vim Loaded plugins: fastestmirror Loading mirror speeds from cached hostfile * base: mirror.vodien.com * extras: mirror.vodien.com * updates: mirror.vodien.com Package sqlite-3.7.17-4.el7.x86_64 already installed and latest version Package wget-1.14-10.el7_0.1.x86_64 already installed and latest […]

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ifconfig command not found on CentOS 7

ifconfig command not found on CentOS 7 As we know recently CentOS 7 is released ,studded with many new features. On the part of exploring the CentOS 7, I encountered with first change. In my last post on finding the CentOS release version on CentOS 7, I gave a brief info that networking related changes […]

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How to clone a MySQL database

Below shows your the steps needed to clone a MySQL database. mysqladmin create [new db name] -u [username] –password=[password] && \ mysqldump -u [username] —password=[password] [old db name] | mysql -u [username] –password=[password] -h [host] [new db name]

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How do I Export and Import a MySQL Database ?

There are times during migrations, database restores etc that you will need to export and import your MySQL database. Below shows you the commands required to achieved this. Note : This article is meant as a reference point rather then a full blown article. EXPORT mysqldump -u root -p {database} > db.sql IMPORT mysql -u root […]

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Enable remote connections for SQL Server Express 2012

On my installation of SQL Server 2012 Developer Edition, installed with default settings, I just had to load the SQL Server Configuration Manager -> SQL Server Network Configuration -> Protocols for MSSQLSERVER and change TCP/IP from Disabled to Enabled.   down voteaccepted Well, glad I asked. The solution I finally discovered was here: How do […]

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