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Issue with yum - "Could not resolve host: mirrorlist.centos.org"
by NISHITH GEEDH 24 Jul '24

24 Jul '24

Dear CentOS Community, I am experiencing an issue when attempting to install packages using yum on CentOS 7. When I run the command yum install vim -y, I receive the following error message: Loaded plugins: fastestmirror Determining fastest mirrors Could not retrieve mirrorlist http://mirrorlist.centos.org/?release=7&arch=x86_64&repo=os&infra=stock error was 14: curl#6 - "Could not resolve host: mirrorlist.centos.org; Unknown error" One of the configured repositories failed (Unknown), and yum doesn't have enough cached data to continue. At this point the only safe thing yum can do is fail. There are a few ways to work "fix" this: 1. Contact the upstream for the repository and get them to fix the problem. 2. Reconfigure the baseurl/etc. for the repository, to point to a working upstream. This is most often useful if you are using a newer distribution release than is supported by the repository (and the packages for the previous distribution release still work). 3. Run the command with the repository temporarily disabled yum --disablerepo=<repoid> ... 4. Disable the repository permanently, so yum won't use it by default. Yum will then just ignore the repository until you permanently enable it again or use --enablerepo for temporary usage: yum-config-manager --disable <repoid> or subscription-manager repos --disable=<repoid> 5. Configure the failing repository to be skipped, if it is unavailable. Note that yum will try to contact the repo. when it runs most commands, so will have to try and fail each time (and thus. yum will be be much slower). If it is a very temporary problem though, this is often a nice compromise: yum-config-manager --save --setopt=<repoid>.skip_if_unavailable=true Cannot find a valid baseurl for repo: base/7/x86_64 It seems there is an issue with the baseurl for the repository. I have already checked my network connection and it is working properly. I also tried updating the DNS configuration and clearing the yum cache, but the issue persists. Could someone please provide guidance on how to resolve this issue or point me to the correct repository configuration? Any help would be greatly appreciated. Thank you for your assistance. Best regards, Nishith

6 5

mariadb update... mysql-community ?
by ian.diddams＠celebrus.com 10 Jul '24

10 Jul '24

CentOS Linux release 7.9.2009 (Core) Just running a yum update on a server and this month we see this Dependencies Resolved ============================================================================================================================================================================================================================================= Package Arch Version Repository Size ============================================================================================================================================================================================================================================= Installing: MariaDB-client x86_64 10.4.34-1.el7.centos Default_Organization_mariadb_el7_repo_mariadb_el7_x86-64 12 M replacing mariadb.x86_64 1:5.5.68-1.el7 MariaDB-compat x86_64 10.4.34-1.el7.centos Default_Organization_mariadb_el7_repo_mariadb_el7_x86-64 2.2 M replacing mariadb-libs.x86_64 1:5.5.68-1.el7 mysql-community-client x86_64 5.7.44-1.el7 Default_Organization_mysql-5_7_x86-64_mysql-5_7_el7_x86-64 31 M replacing mariadb.x86_64 1:5.5.68-1.el7 mysql-community-libs x86_64 5.7.44-1.el7 Default_Organization_mysql-5_7_x86-64_mysql-5_7_el7_x86-64 3.0 M replacing mariadb-libs.x86_64 1:5.5.68-1.el7 mysql-community-libs-compat x86_64 5.7.44-1.el7 Default_Organization_mysql-5_7_x86-64_mysql-5_7_el7_x86-64 1.2 M replacing mariadb-libs.x86_64 1:5.5.68-1.el7 Soi why is mysql-community replacing mariadb ? And then we get Transaction check error: file /usr/share/mysql/charsets/Index.xml conflicts between attempted installs of mysql-community-common-5.7.44-1.el7.x86_64 and MariaDB-common-10.4.34-1.el7.centos.x86_64 file /usr/share/mysql/charsets/armscii8.xml conflicts between attempted installs of mysql-community-common-5.7.44-1.el7.x86_64 and MariaDB-common-10.4.34-1.el7.centos.x86_64 file /usr/share/mysql/charsets/ascii.xml conflicts between attempted installs of mysql-community-common-5.7.44-1.el7.x86_64 and MariaDB-common-10.4.34-1.el7.centos.x86_64 file /usr/share/mysql/charsets/cp1250.xml conflicts between attempted installs of mysql-community-common-5.7.44-1.el7.x86_64 and MariaDB-common-10.4.34-1.el7.centos.x86_64 file /usr/share/mysql/charsets/cp1251.xml conflicts between attempted installs of mysql-community-common-5.7.44-1.el7.x86_64 and MariaDB-common-10.4.34-1.el7.centos.x86_64 file /usr/share/mysql/charsets/cp1256.xml conflicts between attempted installs of mysql-community-common-5.7.44-1.el7.x86_64 and MariaDB-common-10.4.34-1.el7.centos.x86_64 file /usr/share/mysql/charsets/cp1257.xml conflicts between attempted installs of mysql-community-common-5.7.44-1.el7.x86_64 and MariaDB-common-10.4.34-1.el7.centos.x86_64 file /usr/share/mysql/charsets/cp850.xml conflicts between attempted installs of mysql-community-common-5.7.44-1.el7.x86_64 and MariaDB-common-10.4.34-1.el7.centos.x86_64 file /usr/share/mysql/charsets/cp852.xml conflicts between attempted installs of mysql-community-common-5.7.44-1.el7.x86_64 and MariaDB-common-10.4.34-1.el7.centos.x86_64 file /usr/share/mysql/charsets/cp866.xml conflicts between attempted installs of mysql-community-common-5.7.44-1.el7.x86_64 and MariaDB-common-10.4.34-1.el7.centos.x86_64 file /usr/share/mysql/charsets/dec8.xml conflicts between attempted installs of mysql-community-common-5.7.44-1.el7.x86_64 and MariaDB-common-10.4.34-1.el7.centos.x86_64 file /usr/share/mysql/charsets/geostd8.xml conflicts between attempted installs of mysql-community-common-5.7.44-1.el7.x86_64 and MariaDB-common-10.4.34-1.el7.centos.x86_64 file /usr/share/mysql/charsets/greek.xml conflicts between attempted installs of mysql-community-common-5.7.44-1.el7.x86_64 and MariaDB-common-10.4.34-1.el7.centos.x86_64 file /usr/share/mysql/charsets/hebrew.xml conflicts between attempted installs of mysql-community-common-5.7.44-1.el7.x86_64 and MariaDB-common-10.4.34-1.el7.centos.x86_64 file /usr/share/mysql/charsets/hp8.xml conflicts between attempted installs of mysql-community-common-5.7.44-1.el7.x86_64 and MariaDB-common-10.4.34-1.el7.centos.x86_64 file /usr/share/mysql/charsets/keybcs2.xml conflicts between attempted installs of mysql-community-common-5.7.44-1.el7.x86_64 and MariaDB-common-10.4.34-1.el7.centos.x86_64 file /usr/share/mysql/charsets/koi8r.xml conflicts between attempted installs of mysql-community-common-5.7.44-1.el7.x86_64 and MariaDB-common-10.4.34-1.el7.centos.x86_64 file /usr/share/mysql/charsets/koi8u.xml conflicts between attempted installs of mysql-community-common-5.7.44-1.el7.x86_64 and MariaDB-common-10.4.34-1.el7.centos.x86_64 file /usr/share/mysql/charsets/latin1.xml conflicts between attempted installs of mysql-community-common-5.7.44-1.el7.x86_64 and MariaDB-common-10.4.34-1.el7.centos.x86_64 file /usr/share/mysql/charsets/latin2.xml conflicts between attempted installs of mysql-community-common-5.7.44-1.el7.x86_64 and MariaDB-common-10.4.34-1.el7.centos.x86_64 file /usr/share/mysql/charsets/latin5.xml conflicts between attempted installs of mysql-community-common-5.7.44-1.el7.x86_64 and MariaDB-common-10.4.34-1.el7.centos.x86_64 file /usr/share/mysql/charsets/latin7.xml conflicts between attempted installs of mysql-community-common-5.7.44-1.el7.x86_64 and MariaDB-common-10.4.34-1.el7.centos.x86_64 file /usr/share/mysql/charsets/macce.xml conflicts between attempted installs of mysql-community-common-5.7.44-1.el7.x86_64 and MariaDB-common-10.4.34-1.el7.centos.x86_64 file /usr/share/mysql/charsets/macroman.xml conflicts between attempted installs of mysql-community-common-5.7.44-1.el7.x86_64 and MariaDB-common-10.4.34-1.el7.centos.x86_64 file /usr/share/mysql/charsets/swe7.xml conflicts between attempted installs of mysql-community-common-5.7.44-1.el7.x86_64 and MariaDB-common-10.4.34-1.el7.centos.x86_64 file /usr/bin/mysql conflicts between attempted installs of MariaDB-client-10.4.34-1.el7.centos.x86_64 and mysql-community-client-5.7.44-1.el7.x86_64 file /usr/bin/mysqladmin conflicts between attempted installs of MariaDB-client-10.4.34-1.el7.centos.x86_64 and mysql-community-client-5.7.44-1.el7.x86_64 file /usr/bin/mysqlbinlog conflicts between attempted installs of MariaDB-client-10.4.34-1.el7.centos.x86_64 and mysql-community-client-5.7.44-1.el7.x86_64 file /usr/bin/mysqlcheck conflicts between attempted installs of MariaDB-client-10.4.34-1.el7.centos.x86_64 and mysql-community-client-5.7.44-1.el7.x86_64 file /usr/bin/mysqldump conflicts between attempted installs of MariaDB-client-10.4.34-1.el7.centos.x86_64 and mysql-community-client-5.7.44-1.el7.x86_64 file /usr/bin/mysqlimport conflicts between attempted installs of MariaDB-client-10.4.34-1.el7.centos.x86_64 and mysql-community-client-5.7.44-1.el7.x86_64 file /usr/bin/mysqlshow conflicts between attempted installs of MariaDB-client-10.4.34-1.el7.centos.x86_64 and mysql-community-client-5.7.44-1.el7.x86_64 file /usr/bin/mysqlslap conflicts between attempted installs of MariaDB-client-10.4.34-1.el7.centos.x86_64 and mysql-community-client-5.7.44-1.el7.x86_64 file /usr/share/man/man1/mysql.1.gz conflicts between attempted installs of MariaDB-client-10.4.34-1.el7.centos.x86_64 and mysql-community-client-5.7.44-1.el7.x86_64 file /usr/share/man/man1/mysqladmin.1.gz conflicts between attempted installs of MariaDB-client-10.4.34-1.el7.centos.x86_64 and mysql-community-client-5.7.44-1.el7.x86_64 file /usr/share/man/man1/mysqlbinlog.1.gz conflicts between attempted installs of MariaDB-client-10.4.34-1.el7.centos.x86_64 and mysql-community-client-5.7.44-1.el7.x86_64 file /usr/share/man/man1/mysqlcheck.1.gz conflicts between attempted installs of MariaDB-client-10.4.34-1.el7.centos.x86_64 and mysql-community-client-5.7.44-1.el7.x86_64 file /usr/share/man/man1/mysqldump.1.gz conflicts between attempted installs of MariaDB-client-10.4.34-1.el7.centos.x86_64 and mysql-community-client-5.7.44-1.el7.x86_64 file /usr/share/man/man1/mysqlimport.1.gz conflicts between attempted installs of MariaDB-client-10.4.34-1.el7.centos.x86_64 and mysql-community-client-5.7.44-1.el7.x86_64 file /usr/share/man/man1/mysqlshow.1.gz conflicts between attempted installs of MariaDB-client-10.4.34-1.el7.centos.x86_64 and mysql-community-client-5.7.44-1.el7.x86_64 file /usr/share/man/man1/mysqlslap.1.gz conflicts between attempted installs of MariaDB-client-10.4.34-1.el7.centos.x86_64 and mysql-community-client-5.7.44-1.el7.x86_64 anyone any idea what on earth is going on? didds

1 0

Finding kernel builds between releases
by nathan.keyes＠hitachivantara.com 30 Jun '24

30 Jun '24

Can someone point me to where I might be able to find or recreate kernel-4.18.0 builds for c8s between the 408 and 448 releases? Is there a way to find a list of patches that make up each intermediate build? I can see a list of individual commit messages for each build in the spec file changelog, but I have not found a place to see the associated changesets.

4 6

connecting centos7 from different network
by talhakaynak96＠hotmail.com 26 Jun '24

26 Jun '24

Hello, I have no previous experience with CentOS and network administration. Therefore, I would like to emphasize that my questions may be at a basic level. I am currently working on a project and my goal is to be able to access and transfer files between my CentOS 7 computer and a Windows computer over different networks. My CentOS 7 computer is connected to the internet via ethernet via a modem, which has a static IP address (which I can provide if needed). I have also assigned a static IP address to the CentOS 7 computer. My goal is to use my Windows computer to remotely connect to my CentOS computer over different networks and transfer files. Best regards

3 4

In place upgrade from CentOS 8 Stream to CentOS 9 Stream?
by Kay Schenk 17 Jun '24

17 Jun '24

Has anyone tried the procedure recommended in this article? https://www.veeble.org/kb/upgrade-centos-8-stream-to-centos-9-stream/ -- --- MzK

1 0

reminder : CentOS Linux 7 EOL / infra services disappearing in two weeks
by Fabian Arrotin 16 Jun '24

16 Jun '24

Hi, As discussed multiple times on various lists, CentOS Linux 7 will go EOL in two weeks (end of June) and so that means that various services running on CentOS 7 will disappear too . Apart from internal build infra for centos 7 itself (non public) that will be decommissioned, here are some services that will disappear: # mirrorlist.centos.org As the whole backend/frontend infra is running on centos 7 , and that everything Stream related (and now SIGs) was migrated to use mirrormanager (hosted by Fedora infra team), there was no reason to migrate/maintain it as all content will be EOL. # forums.centos.org Per discussion with the forums moderators, it will be powered off completely (not migrated) # torrent.centos.org In the past we used to provide .torrent for various centos linux releases, but it stopped with CentOS Stream. As the trackers (ipv4 and ipv6) are on centos 7, they'll disappear also end of this month -- Fabian Arrotin The CentOS Project | https://www.centos.org gpg key: 17F3B7A1 | @arrfab[@fosstodon.org]

1 0

CentOS Stream 8 EOL
by Fabian Arrotin 06 Jun '24

06 Jun '24

As announced multiple times (see https://blog.centos.org/2023/04/end-dates-are-coming-for-centos-stream-8-an…) , CentOS Stream 8 reached now EOL (End Of Life) That means that all content was removed from http://mirror.centos.org/centos/8-stream/ (and so from downstream third-party mirrors) earlier today. The latest compose from today was archived to Vault (https://vault.centos.org/8-stream/) and will *never* receive any more update (security or else) SIGs content was also archived to same place, and koji/buildsystem tags "locked down". To reflect that "unmaintained state", mirrorlist.centos.org started also to answer "Invalid release/repo/arch combination" , like we always did for all the previous EOL'ed releases. -- Fabian Arrotin The CentOS Project | https://www.centos.org gpg key: 17F3B7A1 | @arrfab[@fosstodon.org]

2 2

Phantom name server
by Dave Close 24 May '24

24 May '24

I have a CentOS stream 8 system (C8) which runs its own internal name server (BIND 9). In the past, it used an external name server on another machine but that server has been stopped. The resolv.conf file on C8 has been modified to remove the reference to the old server and NetworkManager has been restarted. However, CUPS and other programs on C8 continue to send queries to the old server, all of which eventually time out (of course). The bogus queries to the old server are answered with ICMP destination/port unreachable, confirming that the old name server is not running. But these bogus queries take time and the delays are very annoying. I've also restarted CUPS without effect. There are no references to the old server in /etc/named.conf, but there are references to the subnet it was on as there are other machines there that need to use the new name server. I haven't yet rebooted C8 but I'm prepared if necessary. Is there something else I should do before rebooting C8? Is that even likely to solve the problem? -- Dave Close, Compata, Irvine CA +1 714 434 7359 dave(a)compata.com dhclose(a)alumni.caltech.edu "Fairness is a concept that was invented so kids and idiots could participate in debates." --Dogbert

5 16

No suspend after update
by Michael B Allen 22 May '24

22 May '24

Just updated CentOS 9 Stream on a Lenovo T17 Gen 4 Intel and not it won't suspend with the following error: [ 52.604998] Restarting kernel threads ... done. [ 52.605111] OOM killer enabled. [ 52.605111] Restarting tasks ... done. [ 52.606604] random: crng reseeded on system resumption [ 52.616014] thermal thermal_zone9: failed to read out thermal zone (-61) [ 52.791625] PM: suspend exit [ 52.791733] PM: suspend entry (s2idle) [ 52.797260] Filesystems sync: 0.005 seconds [ 52.797579] Freezing user space processes ... (elapsed 0.001 seconds) done. [ 52.799127] OOM killer disabled. [ 52.799128] Freezing remaining freezable tasks ... [ 72.805437] Freezing of tasks failed after 20.006 seconds (1 tasks refusing to freeze, wq_busy=0): [ 72.805450] task:NFSv4 callback state:I stack:0 pid:2191 ppid:2 flags:0x00004000 [ 72.805453] Call Trace: [ 72.805454] <TASK> [ 72.805456] __schedule+0x21b/0x550 [ 72.805463] schedule+0x2d/0x70 [ 72.805466] nfs41_callback_svc+0x186/0x190 [nfsv4] [ 72.805508] ? __pfx_autoremove_wake_function+0x10/0x10 [ 72.805512] ? __pfx_nfs41_callback_svc+0x10/0x10 [nfsv4] [ 72.805536] kthread+0xdd/0x100 [ 72.805538] ? __pfx_kthread+0x10/0x10 [ 72.805539] ret_from_fork+0x29/0x50 [ 72.805543] </TASK> Kernel: 5.14.0-404.el9.x86_64 How do I boot the previous kernel? Holding Shift down does nothing. Pressing escape brings up some kind of emergency screen that has no options other than to "Press any key to exit". Is CentOS 9 Stream considered stable enough to use as an everyday desktop? Mike

3 7

Problem 1: package resteasy-3.0.26-6.module_el8.4.0+595+e59c9af2.noarch from @System requires pki-servlet-4.0-api, but none of the providers can be installed
by Jelle de Jong 30 Apr '24

30 Apr '24

Dear CentOS members, Does someone know how to resolve this package conflict, it is creating security issues with freeipa dependencies. [root@freeipa01 ~]# yum update --refresh CentOS Stream 8 - AppStream 102 kB/s | 4.4 kB 00:00 CentOS Stream 8 - BaseOS 18 kB/s | 3.9 kB 00:00 CentOS Stream 8 - Extras 55 kB/s | 2.9 kB 00:00 CentOS Stream 8 - Extras common packages 15 kB/s | 3.0 kB 00:00 Extra Packages for Enterprise Linux 8 - x86_64 367 kB/s | 28 kB 00:00 Extra Packages for Enterprise Linux 8 - Next - x86_64 75 kB/s | 35 kB 00:00 Error: Problem 1: package resteasy-3.0.26-6.module_el8.4.0+595+e59c9af2.noarch from @System requires pki-servlet-4.0-api, but none of the providers can be installed - package tomcat-servlet-4.0-api-1:9.0.62-30.el8.noarch from appstream obsoletes pki-servlet-4.0-api <= 1:9.0.50 provided by pki-servlet-4.0-api-1:9.0.30-3.module_el8.5.0+854+e1c92b81.noarch from @System - package tomcat-servlet-4.0-api-1:9.0.62-30.el8.noarch from appstream obsoletes pki-servlet-4.0-api <= 1:9.0.50 provided by pki-servlet-4.0-api-1:9.0.30-1.module_el8.4.0+595+e59c9af2.noarch from appstream - package tomcat-servlet-4.0-api-1:9.0.62-30.el8.noarch from appstream obsoletes pki-servlet-4.0-api <= 1:9.0.50 provided by pki-servlet-4.0-api-1:9.0.30-3.module_el8.5.0+854+e1c92b81.noarch from appstream - cannot install the best update candidate for package resteasy-3.0.26-6.module_el8.4.0+595+e59c9af2.noarch - cannot install the best update candidate for package pki-servlet-4.0-api-1:9.0.30-3.module_el8.5.0+854+e1c92b81.noarch Problem 2: cannot install the best update candidate for package pki-servlet-engine-1:9.0.30-3.module_el8.5.0+854+e1c92b81.noarch - both package tomcat-el-3.0-api-1:9.0.62-30.el8.noarch from appstream and tomcat-lib-1:9.0.62-30.el8.noarch from appstream obsolete pki-servlet-engine <= 1:9.0.50 - package tomcat-1:9.0.62-30.el8.noarch from appstream requires tomcat-lib = 1:9.0.62-30.el8, but none of the providers can be installed - package tomcat-jsp-2.3-api-1:9.0.62-30.el8.noarch from appstream requires tomcat-servlet-4.0-api = 1:9.0.62-30.el8, but none of the providers can be installed - package tomcat-lib-1:9.0.62-30.el8.noarch from appstream requires tomcat-servlet-4.0-api = 1:9.0.62-30.el8, but none of the providers can be installed - package tomcatjss-7.7.1-1.module_el8.6.0+1038+e795ee4b.noarch from @System requires pki-servlet-engine >= 1:9.0.7, but none of the providers can be installed - package pki-servlet-engine-1:9.0.30-3.module_el8.5.0+854+e1c92b81.noarch from @System requires pki-servlet-4.0-api = 1:9.0.30-3.module_el8.5.0+854+e1c92b81, but none of the providers can be installed - package pki-servlet-engine-1:9.0.30-3.module_el8.5.0+854+e1c92b81.noarch from appstream requires pki-servlet-4.0-api = 1:9.0.30-3.module_el8.5.0+854+e1c92b81, but none of the providers can be installed - package pki-servlet-engine-1:9.0.30-1.module_el8.4.0+595+e59c9af2.noarch from appstream requires pki-servlet-4.0-api = 1:9.0.30-1.module_el8.4.0+595+e59c9af2, but none of the providers can be installed - package tomcat-servlet-4.0-api-1:9.0.62-30.el8.noarch from appstream obsoletes pki-servlet-4.0-api <= 1:9.0.50 provided by pki-servlet-4.0-api-1:9.0.30-3.module_el8.5.0+854+e1c92b81.noarch from @System - package tomcat-servlet-4.0-api-1:9.0.62-30.el8.noarch from appstream obsoletes pki-servlet-4.0-api <= 1:9.0.50 provided by pki-servlet-4.0-api-1:9.0.30-1.module_el8.4.0+595+e59c9af2.noarch from appstream - package tomcat-servlet-4.0-api-1:9.0.62-30.el8.noarch from appstream obsoletes pki-servlet-4.0-api <= 1:9.0.50 provided by pki-servlet-4.0-api-1:9.0.30-3.module_el8.5.0+854+e1c92b81.noarch from appstream - cannot install the best update candidate for package tomcatjss-7.7.1-1.module_el8.6.0+1038+e795ee4b.noarch (try to add '--skip-broken' to skip uninstallable packages or '--nobest' to use not only best candidate packages)

2 1

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