centos 6.5 to 7 upgrade


vim /etc/yum.repos.d/up7.repo
[upgrade]
name=upgrade
baseurl=http://dev.centos.org/centos/6/upg/x86_64/
enabled=1
gpgcheck=0


yum -y install preupgrade-assistant-contents redhat-upgrade-tool preupgrade-assistant


preupg


rpm --import http://centos.excellmedia.net/7.0.1406/os/x86_64/RPM-GPG-KEY-CentOS-7


redhat-upgrade-tool --network 7.0 --force --instrepo http://centos.excellmedia.net/7.0.1406/os/x86_64/

(794/804): xz-libs-5.1.2-8alpha.el7.x86_64.rpm | 102 kB 00:00
(795/804): xz-lzma-compat-5.1.2-8alpha.el7.x86_64.rpm | 18 kB 00:00
(796/804): yp-tools-2.14-3.el7.x86_64.rpm | 79 kB 00:00
(797/804): ypbind-1.37.1-7.el7.x86_64.rpm | 62 kB 00:00
(798/804): yum-3.4.3-118.el7.centos.noarch.rpm | 1.2 MB 00:00
(799/804): yum-metadata-parser-1.1.4-10.el7.x86_64.rpm | 28 kB 00:00
(800/804): yum-plugin-fastestmirror-1.1.31-25.el7_0.noarch.rpm | 28 kB 00:00
(801/804): yum-utils-1.1.31-25.el7_0.noarch.rpm | 111 kB 00:00
(802/804): zip-3.0-10.el7.x86_64.rpm | 260 kB 00:00
(803/804): zlib-1.2.7-13.el7.x86_64.rpm | 89 kB 00:00
(804/804): zlib-devel-1.2.7-13.el7.x86_64.rpm | 49 kB 00:00
testing upgrade transaction
rpm transaction 100% [======================================================================================================================================================================================================================================================]
rpm install 100% [==========================================================================================================================================================================================================================================================]
setting up system for upgrade
Finished. Reboot to start upgrade.


reboot

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