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| # The general procedure here is adapted from the 7->8 guide here. https://www.tecmint.com/upgrade-centos-7-to-centos-8/ | |
| # | |
| # It is a curated list of my bash history. I entered other commands so hopefully I got the right ones here. | |
| yum upgrade | |
| reboot | |
| dnf install epel-release | |
| dnf install rpmconf | |
| dnf install yum-utils | |
| rpmconf -a # answer "n" to both things | |
| package-cleanup --leaves | |
| package-cleanup --orphans | |
| dnf install http://mirror.stream.centos.org/9-stream/BaseOS/x86_64/os/Packages/centos-stream-repos-9.0-9.el9.noarch.rpm http://mirror.stream.centos.org/9-stream/BaseOS/x86_64/os/Packages/centos-stream-release-9.0-9.el9.noarch.rpm http://mirror.stream.centos.org/9-stream/BaseOS/x86_64/os/Packages/centos-gpg-keys-9.0-9.el9.noarch.rpm | |
| curl -O https://dl.fedoraproject.org/pub/epel/epel-release-latest-9.noarch.rpm | |
| curl -O https://dl.fedoraproject.org/pub/epel/epel-next-release-latest-9.noarch.rpm | |
| rpm -Uvh *.rpm | |
| yum update | |
| dnf clean all | |
| rpm -e `rpm -q kernel` | |
| dnf -y --releasever=9 --allowerasing --setopt=deltarpm=false distro-sync | |
| dnf clean all | |
| reboot | |
| rm -f /var/lib/rpm/__db* | |
| rpm --rebuilddb | |
| dnf -y groupupdate "Core" "Minimal Install" |
Yes, I guess those were only those modules I happened to have installed. You should check the currently enabled modules on your system with
dnf module list. I had some that were "orphaned" and once disabled the warnings were gone.
I've had issues at this step...
# rpm -e `rpm -q kernel`
error: /usr/lib/rpm/macros.d/macros.php74-config: line 3: Macro %undefine is a built-in (%define)
warning: Found bdb_ro Packages database while attempting sqlite backend: using bdb_ro backend.
error: /usr/lib/rpm/macros.d/macros.php74-config: line 3: Macro %undefine is a built-in (%define)
warning: Found bdb_ro Packages database while attempting sqlite backend: using bdb_ro backend.
warning: Found bdb_ro Packages database while attempting sqlite backend: using bdb_ro backend.
error: cannot open Packages index using bdb_ro - Operation not permitted (1)
error: cannot open Packages database in /var/lib/rpm
I fixed this issue by rebuilding the RPM database...
rpm --rebuilddb
After completing these steps I get these errors every time I use dnf...
Problem 1: conflicting requests
- nothing provides module(platform:el8) needed by module composer:2:20220317110346:00000000.x86_64
Problem 2: conflicting requests
- nothing provides module(platform:el8) needed by module container-tools:rhel8:8060020211019153644:2e213529.x86_64
Problem 3: conflicting requests
- nothing provides module(platform:el8) needed by module httpd:2.4:8050020211112043353:b4937e53.x86_64
Problem 4: conflicting requests
- nothing provides module(platform:el8) needed by module mariadb:10.3:8030020210419150013:30b713e6.x86_64
Problem 5: conflicting requests
- nothing provides module(platform:el8) needed by module nginx:1.14:8000020211221191913:55190bc5.x86_64
Problem 6: conflicting requests
- nothing provides module(platform:el8) needed by module perl:5.26:8000020190628020724:55190bc5.x86_64
Problem 7: conflicting requests
- nothing provides module(platform:el8) needed by module perl-DBD-MySQL:4.046:8030020200716171139:3a70019f.x86_64
Problem 8: conflicting requests
- nothing provides module(platform:el8) needed by module perl-DBI:1.641:8030020200716150652:1e4bbb35.x86_64
Problem 9: conflicting requests
- nothing provides module(platform:el8) needed by module perl-IO-Socket-SSL:2.066:8040020200924212038:1aedcbfe.x86_64
Problem 10: conflicting requests
- nothing provides module(platform:el8) needed by module perl-libwww-perl:6.34:8040020211102170116:bf75fe78.x86_64
Problem 11: conflicting requests
- nothing provides module(platform:el8) needed by module php:remi-7.4:20220317110346:00000000.x86_64
Problem 12: conflicting requests
- nothing provides module(platform:el8) needed by module python36:3.6:8050020210825152031:982725ab.x86_64
Problem 13: conflicting requests
- nothing provides module(platform:el8) needed by module ruby:2.5:8050020210527144607:b4937e53.x86_64
Problem 14: conflicting requests
- nothing provides module(platform:el8) needed by module subversion:1.10:8030020210222042748:9ce6d490.x86_64
Problem 15: conflicting requests
- nothing provides module(platform:el8) needed by module varnish:6:8050020211109225449:b4937e53.x86_64
Problem 16: conflicting requests
- nothing provides module(platform:el8) needed by module virt:rhel:8060020220208213251:d63f516d.x86_64
Error:
Problem: cannot install the best candidate for the job
- nothing provides insights-client needed by rhc-1:0.2.1-4.el9.x86_64
(try to add '--skip-broken' to skip uninstallable packages or '--nobest' to use not only best candidate packages)
I have asked the Unix & Linux Stackexchange for help with the above problem: https://unix.stackexchange.com/questions/694789/conflicting-requests-after-update-to-centos-9-stream-from-8
I have the following modules from when the system was CentOS 8 Stream and just need to remove them all at once to fix things...
composer 2 [e] common Dependency Manager for PHP
container-tools rhel8 [e] common Most recent (rolling) versions of podman, buildah, skopeo, runc, conmon, runc,
conmon, CRIU, Udica, etc as well as dependencies such as container-selinux bu
ilt and tested together, and updated as frequently as every 12 weeks.
httpd 2.4 [e] common, Apache HTTP Server
devel, m
inimal
javapackages-runtime 201801 [e] common Basic runtime utilities to support Java applications
mariadb 10.3 [e] client, MariaDB Module
galera,
server
nginx 1.14 [e] common nginx webserver
perl 5.26 [e] common, Practical Extraction and Report Language
minimal
perl-DBD-MySQL 4.046 [e] common A MySQL interface for Perl
perl-DBI 1.641 [e] common A database access API for Perl
perl-IO-Socket-SSL 2.066 [e] common Perl library for transparent TLS
perl-libwww-perl 6.34 [e] common A Perl interface to the World-Wide Web
php remi-7.4 [e] common, PHP scripting language
devel, m
inimal
python36 3.6 [e] build, c Python programming language, version 3.6
ommon
ruby 2.5 [e] common An interpreter of object-oriented scripting language
subversion 1.10 [e] common, Apache Subversion
server
varnish 6 [e] common Varnish HTTP cache
virt rhel [e] common Virtualization module
You can remove the modules by deleting their metadata files from /etc/dnf/modules.d/
'rpmconf -a' poses 6 question...
For now - I've answered 'no' to all.
Ran into some broken dependancys where system was reporting nothing
Problem 1: conflicting requests -needed by module container-tools:rhel8:8070020220921123537:39077419.x86_64
Problem 2: conflicting requests - nothing provides module(platform:el8) needed by module perl:5.26:8000020190628020724:55190bc5.x86_64 Problem 3: conflicting requests - nothing provides module(platform:el8) needed by module perl-IO-Socket-SSL:2.066:8040020200924212038:1aedcbfe.x86_64
Problem 4: conflicting requests - nothing provides module(platform:el8) needed by module perl-libwww-perl:6.34:8040020211102170116:bf75fe78.x86_64
Problem 5: conflicting requests - nothing provides module(platform:el8) needed by module python36:3.6:8050020210825152031:982725ab.x86_64
Problem 6: conflicting requests - nothing provides module(platform:el8) needed by module satellite-5-client:1.0:8010020191114035551:cdc1202b.x86_64
Problem 7: conflicting requests - nothing provides module(platform:el8) needed by module virt:rhel:8070020220921151759:3b9f49c4.x86_64
Just ran the following for each of them:
dnf module reset virt
current line
dnf install http://mirror.stream.centos.org/9-stream/BaseOS/x86_64/os/Packages/centos-stream-repos-9.0-18.el9.noarch.rpm http://mirror.stream.centos.org/9-stream/BaseOS/x86_64/os/Packages/centos-stream-release-9.0-18.el9.noarch.rpm http://mirror.stream.centos.org/9-stream/BaseOS/x86_64/os/Packages/centos-gpg-keys-9.0-18.el9.noarch.rpm
What to do about
warning: Signature not supported. Hash algorithm SHA1 not available.
A Google search leads to https://www.redhat.com/en/blog/rhel-security-sha-1-package-signatures-distrusted-rhel-9
but that doesn't solve anything
Nevermind.. after removing the old kernel, despite the new kernel being installed, the system hangs at grub.
Just once I'd like to use something professionals create.
You can remove the modules by deleting their metadata files from
/etc/dnf/modules.d/
The simplest method.
why 3 lines instead of one?
dnf install epel-release rpmconf yum-utils
how is this second hit on google? dont do dis guys
In my case this left me without a grub entry pointing to a working kernel so after the reboot grub2 failed to find a working kernel. I was able to boot off a centos iso and rescue the system to get it mounted. Then installed the iso's kernel rpm into the mounted root. Then chroot to the mounted root and performed a grub2-mkconfig. That got me a working kernel and config. Once that was all done the reboot bought me back into a working system where these steps finished cleanly. So maybe before the reboot there should be an attempt to dnf install kernel? then a grub2-mkconfig to ensure grub's configs are updated to target that new kernel.
Thanks, It's not exactly the configuration I used but it was interresting.
If i can i will commit a Fork wen I will finished my configuration :)
just a note guys those releases dont exist on the CENTOS website anymore(9.09) ... the updated command is...
dnf install http://mirror.stream.centos.org/9-stream/BaseOS/x86_64/os/Packages/centos-stream-repos-9.0-26.el9.noarch.rpm http://mirror.stream.centos.org/9-stream/BaseOS/x86_64/os/Packages/centos-stream-release-9.0-26.el9.noarch.rpm http://mirror.stream.centos.org/9-stream/BaseOS/x86_64/os/Packages/centos-gpg-keys-9.0-26.el9.noarch.rpm
not seeming to do anything now.