upgrade from RHL 7.2 to 7.3

[Cyril Zlachevsky]

Hello!
I have server runs Red Hat Linux 7.2
Unfortunately version 7.2 support suspended.
I'm use apt-get for system updates.
My question is - it is safe to upgrade 7.2 to 7.3 by apt-get like this way?

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# apt-get update
Get:1 http://download.fedoralegacy.org redhat/7.3/i386 release [1606B]
Fetched 1606B in 0s (10.2kB/s)
Get:1 http://download.fedoralegacy.org redhat/7.3/i386/os pkglist [1229kB]
Get:2 http://download.fedoralegacy.org redhat/7.3/i386/os release [125B]
Get:3 http://download.fedoralegacy.org redhat/7.3/i386/updates pkglist 
[949kB]
Get:4 http://download.fedoralegacy.org redhat/7.3/i386/updates release 
[130B]
Get:5 http://download.fedoralegacy.org redhat/7.3/i386/legacy-utils 
pkglist [110                                                0B]
Get:6 http://download.fedoralegacy.org redhat/7.3/i386/legacy-utils 
release [135                                                B]
Get:7 http://download.fedoralegacy.org redhat/7.3/i386/os srclist [149kB]
Get:8 http://download.fedoralegacy.org redhat/7.3/i386/updates srclist 
[55.4kB]
Get:9 http://download.fedoralegacy.org redhat/7.3/i386/legacy-utils 
srclist [571                                                B]
Fetched 2385kB in 12s (188kB/s)
Reading Package Lists... Done
Collecting File Provides... Done
# apt-get dist-upgrade
Reading Package Lists... Done
Collecting File Provides... Done
Building Dependency Tree... Done
Calculating Upgrade... Done
The following packages will be upgraded
   4Suite Omni Omni-foomatic PyXML SysVinit XFree86-libs a2ps alchemist apmd
   aspell authconfig autoconf autofs automake bash bc binutils bison cdecl
   chkconfig cipe console-tools cpio cpp cracklib cracklib-dicts ctags
   cyrus-sasl cyrus-sasl-devel cyrus-sasl-md5 cyrus-sasl-plain db1 db2 db3
   db3-devel db3-utils diffutils docbook-style-dsssl dos2unix dosfstools
   e2fsprogs ed eject expat findutils flex foomatic freetype ftp gawk gcc
   gcc-c++ gcc-g77 gd gdbm glibc glibc-common glibc-devel gmp gperf gpm grep
   groff groff-perl grub gzip hdparm hotplug htmlview imap indent indexhtml
   info initscripts ipchains iproute iptables iputils joe kbdconfig 
krb5-libs
   krbafs ksymoops kudzu less libcap libjpeg libpng libstdc++ 
libstdc++-devel
   libtiff libtool libtool-libs libxslt lockdev logrotate logwatch lokkit
   losetup lynx m4 mailcap man-pages mc mingetty mkbootdisk mkinitrd mktemp
   mod_perl mount mouseconfig mpage mrtg mysql mysql-devel mysql-server 
ncftp
   ncompress ncurses ncurses-devel net-tools newt nmap ntp ntsysv 
openjade pam
   pam_krb5 parted passwd patch pciutils pcre pcre-devel perl perl-CGI
   perl-CPAN perl-DBD-MySQL perl-DBI perl-DB_File perl-DateManip
   perl-Digest-MD5 perl-HTML-Parser perl-HTML-Tagset perl-MIME-Base64
   perl-NDBM_File perl-Parse-Yapp perl-Storable perl-URI perl-XML-Dumper
   perl-XML-Encoding perl-XML-Grove perl-XML-Parser perl-XML-Twig 
perl-libnet
   perl-libwww-perl perl-libxml-enno perl-libxml-perl perl-suidperl pidentd
   pine pkgconfig popt portmap procmail procps psmisc pspell pwdb python
   python-devel raidtools rdate readline readline-devel redhat-release
   reiserfs-utils rhn_register rmt screen sed setserial setup sgml-common
   sh-utils sharutils slang slang-devel slrn strace swig sysklogd 
sysstat tcl
   telnet telnet-server tetex tetex-dvilj tetex-dvips tetex-fonts 
tetex-latex
   texinfo textutils time timeconfig tk tmpwatch traceroute tripwire 
ucd-snmp
   ucd-snmp-utils util-linux vim-common vim-minimal vixie-cron wget 
which whois
   words xdelta zip
The following packages will be REPLACED:
   db31 (by db3x)  docbook-dtd30-sgml (by docbook-dtds) 
docbook-dtd31-sgml (by
   docbook-dtds)  docbook-dtd40-sgml (by docbook-dtds)  kernel-headers (by
   glibc-kernheaders)  lclint (by splint)  links (by elinks)  sgml-tools (by
   linuxdoc-tools)
The following NEW packages will be installed:
   Distutils db3x docbook-dtds elinks glib2 glibc-kernheaders hesiod hwdata
   libuser linuxdoc-tools splint usbutils usermode xml-common
221 packages upgraded, 14 newly installed, 8 replaced, 0 removed and 0 
not upgra                                                ded.
Need to get 163MB of archives.
After unpacking 14.0MB disk space will be freed.
Do you want to continue? [Y/n]
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