Upgrading CentOS 6 to CentOS 7

PRE TASKS

There are some tasks you can do to prevent from unwanted results. Like:

  • Disable selinux
  • Remove unnecessary repositories
  • Take a recent backup!

CENTOS UPGRADE REPOSITORY

Create a new centos repository:

cat > /etc/yum.repos.d/centos-upgrade.repo <<EOF
[centos-upgrade]
name=centos-upgrade
baseurl=https://buildlogs.centos.org/centos/6/upg/x86_64/
enabled=1
gpgcheck=0
EOF

INSTALL PRE-UPGRADE TOOL

First install the openscap version from dev.centos.org:

# yum -y install https://buildlogs.centos.org/centos/6/upg/x86_64/Packages/openscap-1.0.8-1.0.1.el6.centos.x86_64.rpm

then install the redhat upgrade tool:

# yum -y install redhat-upgrade-tool preupgrade-assistant-*
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Pure-FTPD cannot connect with TLS/SSL

Pure-FTPD cannot connect with TLS/SSL. FileZilla log shows this and then everything stop/halt

Status: Resolving address of ftp.mydomain.com
Status: Connecting to XXX.XXX.XXX.XXX:21...
Status: Connection established, waiting for welcome message...
Status: Initializing TLS...

When restarting pure-ftpd in WHM and this reveals the following message
...
Feb 22 23:14:47 host pure-ftpd[20248]: (?@?) [DEBUG] Couldn't load the DH parameters file /etc/ssl/private/pure-ftpd-dhparams.pem
pureftpd restarted successfully.

To solve the issue run the following commands :

openssl dhparam -out /etc/ssl/private/pure-ftpd-dhparams.pem 2048
/scripts/restartsrv_pureftpd

Migrasi Server USA 13-11-2018

Sehubungan akan dilakukan maintenance server hosting USA, maka kami informasikan bahwa akan dilakukan migrasi server hosting USA pada hari ini Selasa 13-11-2018 mulai pukul 17.00 WIB.
Akan terjadi pergantian IP address dari semula 207.244.157.188 menjadi 74.222.14.66.

Bila anda menggunakan NS kami sesuai prosedur yang diberikan di email aktifasi maka anda tidak perlu melakukan perubahan apapun di DNS record domain anda.

Akan tetapi bila anda menggunakan NS selain yang disebutkan di atas maka anda harus mengubah A record domain anda dari semula 207.244.157.188 menjadi 74.222.14.66.

Demikian disampaikan, mohon maaf atas ketidaknyamanan ini dan terima kasih atas kerjasama dan kepercayaan anda kepada Whplus selama ini.

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