update from CB 1.2 to 2.0 on Centos 5.11 32bit

[Tootle]

I want to start using nginx reverse proxy, but it's said that custombuild 2.0 is required, ( http://forum.directadmin.com/showthread.php?t=49438 ) and I'm currenty running CB1.2 with DA 1.50.1 what is more problem, my VPS provider said that he strongly reccomends Centos 6 where it is better suited for CB 2.0 ...

- so my question is: is it safe to migrate to CB2.0 on CentOS 5.11 using this how-to (https://help.directadmin.com/item.php?id=555) where I'm using PHP CLI + mod_ruid2

Apache 2.2.31	
DirectAdmin 1.50.1	
Exim 4.87	
MySQL 5.0.67	
Named 9.3.6	
ProFTPd 1.3.5b	
Php 5.3.29

or in this matter OS version is irrevelant?

 

[smtalk]

Yes, it's safe to do that on CentOS 5.11

 

[Tootle]

Thanks, @smtalk - I'm aware my question looks rather silly, but I want to read some thoughts about that, as I've nowhere seen any warnings on the topic and I'm doing in for the first time. One question more: is there any failover on this update process, i.e. revert back to CB 1.2 if sth will go wrong or DA System Backup will do - as I will be doing this on a production srv.

 

[Tootle]

According to this https://help.directadmin.com/item.php?id=354 i have to take this step before migration to CB 2.0 but is i.e. cronie for Centos 6 specific?

$ yum install wget gcc gcc-c++ flex bison make bind bind-libs bind-utils openssl openssl-devel perl quota libaio libcom_err-devel libcurl-devel gd zlib-devel zip unzip libcap-devel cronie bzip2 cyrus-sasl-devel perl-ExtUtils-Embed autoconf automake libtool which patch mailx bzip2-devel lsof db4-devel
Loaded plugins: fastestmirror, priorities
Loading mirror speeds from cached hostfile
 * base: centos.hitme.net.pl
 * epel: ftp.icm.edu.pl
 * extras: centos.hitme.net.pl
 * rpmforge: mirror1.hs-esslingen.de
 * updates: centos.hitme.net.pl
Excluding Packages in global exclude list
Finished
4280 packages excluded due to repository priority protections
Setting up Install Process
Package wget-1.11.4-3.el5_8.2.i386 already installed and latest version
Package gcc-4.1.2-55.el5.i386 already installed and latest version
Package gcc-c++-4.1.2-55.el5.i386 already installed and latest version
Package flex-2.5.4a-41.fc6.i386 already installed and latest version
Package bison-2.3-2.1.i386 already installed and latest version
Package 1:make-3.81-3.el5.i386 already installed and latest version
Package 30:bind-9.3.6-25.P1.el5_11.8.i386 already installed and latest version
Package 30:bind-libs-9.3.6-25.P1.el5_11.8.i386 already installed and latest version
Package 30:bind-utils-9.3.6-25.P1.el5_11.8.i386 already installed and latest version
Package openssl-0.9.8e-40.el5_11.i686 already installed and latest version
Package openssl-devel-0.9.8e-40.el5_11.i386 already installed and latest version
Package 4:perl-5.8.8-43.el5_11.i386 already installed and latest version
Package 1:quota-3.13-8.el5.i386 already installed and latest version
Package libaio-0.3.106-5.i386 already installed and latest version
No package libcom_err-devel available.
No package libcurl-devel available.
Package gd-2.0.33-9.4.el5_4.2.i386 already installed and latest version
Package zlib-devel-1.2.3-7.el5.i386 already installed and latest version
Package zip-2.31-2.el5.i386 already installed and latest version
Package unzip-5.52-3.el5.i386 already installed and latest version
Package libcap-devel-1.10-26.i386 already installed and latest version
No package cronie available.
Package bzip2-1.0.3-6.el5_5.i386 already installed and latest version
Package cyrus-sasl-devel-2.1.22-7.el5_8.1.i386 already installed and latest version
No package perl-ExtUtils-Embed available.
Package autoconf-2.59-12.noarch already installed and latest version
Package automake-1.9.6-3.el5.noarch already installed and latest version
Package libtool-1.5.22-7.el5_4.i386 already installed and latest version
Package which-2.16-7.i386 already installed and latest version
Package patch-2.5.4-31.el5.i386 already installed and latest version
Package mailx-8.1.1-44.2.2.i386 already installed and latest version
Package bzip2-devel-1.0.3-6.el5_5.i386 already installed and latest version
Package lsof-4.78-6.i386 already installed and latest version
Package db4-devel-4.3.29-10.el5_5.2.i386 already installed and latest version
Nothing to do

Is it safe to proceed ->CB 2.0 migration without libcom_err-devel,libcurl-devel,perl-ExtUtils-Embed?