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====== Instal·lació de CentOS 7 - 2a part ======

En aquesta segona part de la instal·lació del CentOS l'objectiu és fer que el sistema operatiu sigui idèntic al que Bruker instal·la als ordinadors dels espectròmetres. Per això

  * s'afegixen magatzems (//repositories//) addicionals de paquets de software; i
  * s'instal·len paquets de software addicionals fent servir la llista de paquets instal·lats a l'ordinador de l'Avance Neo de 500 MHz.

===== Magatzems (repositories) addicionals =====

Aquests són els magatzems que es fan servir a l'ordinador de l'Avance Neo 500 MHz: base, elrepo, epel, extras, i updates,

<file>
# yum repolist
Loaded plugins: fastestmirror, langpacks, nvidia, refresh-packagekit
Loading mirror speeds from cached hostfile
 * base: ftp.csuc.cat
 * elrepo: www.jules.fm
 * epel: mirror.uv.es
 * extras: ftp.csuc.cat
 * updates: ftp.csuc.cat
repo id                 repo name                                                   status
base/7/x86_64           CentOS-7 - Base                                             10,072
elrepo                  ELRepo.org Community Enterprise Linux Repository - el7         123
epel/x86_64             Extra Packages for Enterprise Linux 7 - x86_64              13,626
extras/7/x86_64         CentOS-7 - Extras                                              498
updates/7/x86_64        CentOS-7 - Updates                                           2,543
repolist: 26,862
</file>

mentre que la llista de magatzems a l'espectròmetre AvanceII+ 600 MHz només inclou: base, extras i updates,

<file>
# yum repolist
Loaded plugins: fastestmirror, langpacks
Loading mirror speeds from cached hostfile
 * base: ftp.csuc.cat
 * extras: ftp.csuc.cat
 * updates: ftp.csuc.cat
repo id                 repo name                                                   status
base/7/x86_64           CentOS-7 - Base                                             10,072
bruker/7                Bruker-Addon-7 - Public Updates                             110+13
extras/7/x86_64         CentOS-7 - Extras                                              498
updates/7/x86_64        CentOS-7 - Updates                                           2,543
repolist: 13,223
</file>

de forma que manquen els magatzems elrepo i epel, els quals haurem d'instal·lar seguint les instruccions disponibles als seus llocs web i a altres pàgines d'Internet.

  * [[http://elrepo.org/tiki/HomePage | "The Community Enterprise Linux Repository" (ELRepo)]]; i
  * [[https://fedoraproject.org/wiki/EPEL | Extra Packages for Enterprise Linux (EPEL)]]

La instal·lació del magatzem EPEL no dona cap problema:

<file>
# yum install https://dl.fedoraproject.org/pub/epel/epel-release-latest-7.noarch.rpm
Loaded plugins: fastestmirror, langpacks
epel-release-latest-7.noarch.rpm                                                               |  15 kB  00:00:00     
Examining /var/tmp/yum-root-WellKS/epel-release-latest-7.noarch.rpm: epel-release-7-13.noarch
Marking /var/tmp/yum-root-WellKS/epel-release-latest-7.noarch.rpm to be installed
Resolving Dependencies
--> Running transaction check
---> Package epel-release.noarch 0:7-13 will be installed
--> Finished Dependency Resolution

Dependencies Resolved

======================================================================================================================
 Package                    Arch                 Version            Repository                                   Size
======================================================================================================================
Installing:
 epel-release               noarch               7-13               /epel-release-latest-7.noarch                25 k

Transaction Summary
======================================================================================================================
Install  1 Package

Total size: 25 k
Installed size: 25 k
Is this ok [y/d/N]: y
Downloading packages:
Running transaction check
Running transaction test
Transaction test succeeded
Running transaction
  Installing : epel-release-7-13.noarch                                                                           1/1 
  Verifying  : epel-release-7-13.noarch                                                                           1/1 

Installed:
  epel-release.noarch 0:7-13                                                                                          

Complete!
</file>

i la instal·lació d'ELRepo tampoc,

<file>
# rpm --import https://www.elrepo.org/RPM-GPG-KEY-elrepo.org
# yum install https://www.elrepo.org/elrepo-release-7.el7.elrepo.noarch.rpm
Loaded plugins: fastestmirror, langpacks
elrepo-release-7.el7.elrepo.noarch.rpm                                                         | 8.6 kB  00:00:00     
Examining /var/tmp/yum-root-WellKS/elrepo-release-7.el7.elrepo.noarch.rpm: elrepo-release-7.0-5.el7.elrepo.noarch
Marking /var/tmp/yum-root-WellKS/elrepo-release-7.el7.elrepo.noarch.rpm to be installed
Resolving Dependencies
--> Running transaction check
---> Package elrepo-release.noarch 0:7.0-5.el7.elrepo will be installed
--> Finished Dependency Resolution

Dependencies Resolved

======================================================================================================================
 Package                 Arch            Version                   Repository                                    Size
======================================================================================================================
Installing:
 elrepo-release          noarch          7.0-5.el7.elrepo          /elrepo-release-7.el7.elrepo.noarch          5.0 k

Transaction Summary
======================================================================================================================
Install  1 Package

Total size: 5.0 k
Installed size: 5.0 k
Is this ok [y/d/N]: y
Downloading packages:
Running transaction check
Running transaction test
Transaction test succeeded
Running transaction
  Installing : elrepo-release-7.0-5.el7.elrepo.noarch                                                             1/1 
  Verifying  : elrepo-release-7.0-5.el7.elrepo.noarch                                                             1/1 

Installed:
  elrepo-release.noarch 0:7.0-5.el7.elrepo                                                                            

Complete!
</file>

El resultat és ara tenim disponibles els mateixos magatzems que a l'ordinador de l'Avance Neo 500 MHz, i un d'extra que potser no cal i que podríem eliminar: "Bruker-Addon-7 - Public Updates (bruker/7)",

<file>
# yum repolist
Loaded plugins: fastestmirror, langpacks
Loading mirror speeds from cached hostfile
 * base: ftp.csuc.cat
 * elrepo: mirrors.coreix.net
 * epel: pkg.adfinis.com
 * extras: ftp.csuc.cat
 * updates: ftp.csuc.cat
elrepo                                                                                         | 3.0 kB  00:00:00     
elrepo/primary_db                                                                              | 361 kB  00:00:00     
repo id                 repo name                                                   status
base/7/x86_64           CentOS-7 - Base                                             10,072
bruker/7                Bruker-Addon-7 - Public Updates                             110+13
elrepo                  ELRepo.org Community Enterprise Linux Repository - el7         123
epel/x86_64             Extra Packages for Enterprise Linux 7 - x86_64              13,626
extras/7/x86_64         CentOS-7 - Extras                                              498
updates/7/x86_64        CentOS-7 - Updates                                           2,543
repolist: 26,972
</file>


==== Enllaços d'interès ====

  * [[http://elrepo.org/tiki/HomePage | "The Community Enterprise Linux Repository" (ELRepo)]]; i
  * [[https://fedoraproject.org/wiki/EPEL | Extra Packages for Enterprise Linux (EPEL)]]
  * [[https://wiki.centos.org/AdditionalResources/Repositories | Available Repositories for CentOS]]
  * [[https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/7/html/system_administrators_guide/ch-yum#sec-Managing_Yum_Repositories | 9.5.5. Adding, Enabling, and Disabling a Yum Repository.]] System Administrator’s Guide. Red Hat Enterprise Linux 7. Deployment, configuration, and administration of RHEL 7. Chapter 9: Yum.
  * [[https://linuxhostsupport.com/blog/how-to-set-up-and-use-yum-repositories-on-centos-7/ | How to Set Up and Use Yum Repositories on CentOS 7. LinuxHostSupport]]
  * [[https://www.google.com/search?client=firefox-b-e&q=manage+centos+repositories | Cerca "manage centos repositories" a Google.]]



===== Instal·lació de Byobu  =====

Abans de continuar instal·lo el paquet del programa [[https://www.byobu.org/ | Byobu]] que alhora instal·la els paquets tmux i screen,

<file>
# yum list byobu
[...]
Available Packages
byobu.noarch                                              5.73-4.el7                                              epel
[root@cie-56-18 sermnadmin]# yum install byobu
[...]
Resolving Dependencies
--> Running transaction check
---> Package byobu.noarch 0:5.73-4.el7 will be installed
--> Processing Dependency: screen for package: byobu-5.73-4.el7.noarch
--> Processing Dependency: tmux for package: byobu-5.73-4.el7.noarch
--> Running transaction check
---> Package screen.x86_64 0:4.1.0-0.27.20120314git3c2946.el7_9 will be installed
---> Package tmux.x86_64 0:1.8-4.el7 will be installed
--> Finished Dependency Resolution
[...]
Installed:
  byobu.noarch 0:5.73-4.el7                                                                                           

Dependency Installed:
  screen.x86_64 0:4.1.0-0.27.20120314git3c2946.el7_9                      tmux.x86_64 0:1.8-4.el7                     

Complete!
</file>

===== Paquets addicionals  =====

==== Preparació i proves ====

En qualsevol dels nous ordinador dels espectròmetres Avance Neo, executar alguna de les següents parelles de comandes:

<WRAP tip>
Les comandes per generar el llistat de paquets de software instal·lats en un ordinador i per processar el llistat per instal·lar-los en un nou ordinador acostumen a estar molt relacionades i a funcionar de forma conjuntat, ja que la segona comanda ha de saber interpretar correctament el llistat generat per la primera comanda.
</WRAP>

<wrap info>Funciona</wrap> Primer parell de comandes per la mateixa distribució

  * Generació: ''rpm -qa > installed-packages.txt''
  * Processament: ''# yum -y install $(cat /home/user/installed-software.log)''
  * Font: [[https://unix.stackexchange.com/questions/71/duplicating-a-yum-based-linux-installation | Duplicating a Yum-based Linux installation]]

<wrap alert>**No funciona**</wrap>  Segon parell de comandes per RHEL i Fedora:

  * Generació a RHEL: ''yum list installed | tail -n +3 | cut -d' ' -f1 > installed_packages.txt''
  * Instal·lació a Fedora: ''yum -y install $(cat installed_packages.txt)''
  * Font: [[https://unix.stackexchange.com/questions/71/duplicating-a-yum-based-linux-installation | Duplicating a Yum-based Linux installation.]]
  * Avaluació: **aquest mètode no funciona,** el llistat generat no conté la versió del paquet de software, només el nom.

<wrap alert>**No funciona**</wrap> Tercer parell de comandes per RHEL i Fedora:

  * Generació del llistat
    * complet: ''yum list installed | xargs -n3 | column -t  | tail -n +3 | cut -d' ' -f1''
    * instal·lats amb rpm: ''yum list installed | xargs -n3 | column -t | grep -v "@" | tail -n +3  |cut -d' ' -f1''
    * instal·lats amb yum: ''yum list installed | xargs -n3 | column -t | grep "@" | tail -n +3 | cut -d' ' -f1''
  * Processament del llistat: la mateixa comanda que en el cas anterior.
  * Font: [[https://unix.stackexchange.com/questions/71/duplicating-a-yum-based-linux-installation | Duplicating a Yum-based Linux installation.]] Segons l'autor, és una millora del 2n parell de comandes.
  * Avaluació: **Aquests mètodes no funcionen,** el llistat no inclou els noms dels paquets, només els números de versió.

<wrap alert>**No funciona**</wrap> Quart parell de comandes per CentOS & CentOS:

  * Generació del llistat: ''rpm -qa %%--%%queryformat "%{NAME}\n" > yum.packages.list''
  * Processament del llistat: ''yum -y install < yum-packages.list''
  * Font: [[http://www.pwrusr.com/system-administration/clone-installed-packages-between-different-centos-versions | Clone installed packages between different CentOS versions.]]
  * Avaluació: **Aquest mètode no funciona:** La comanda per generar el llistat dona un error relacionat amb l'opció "queryformat" i no s'executa.

<wrap info>Funciona</wrap> Cinquè parell de comandes de CentOS a CentOS:

  * Generació del llistat: ''rpm -qa | sort > pkglist.txt''
  * Processament del llistat: ''yum install $(cat /root/pkglist.txt | xargs)''
  * Font: [[https://ostechnix.com/create-list-installed-packages-install-later-list-centos-ubuntu/ | Create A List Of Installed Packages And Install Them Later From The List In CentOS And Ubuntu.]]

La conclusió final és que els mètodes que fan servir la comanda ''rmp -qa'' generen un llistat que ''yum install'' pot processar, mentre que la comanda ''yum list installed'' genera una taula que s'ha de processar per obtenir un llistat acceptable per ''yum install''.

El mètode triat és:

  * Generació del llistat: ''rpm -qa | sort > pkglist.txt''
  * Processament del llistat: ''yum -y install $(cat pkglist.txt | xargs)''

Per precaució, es pot fer un simulacre per veure quins paquets s'instal·larien:

  * ''yum install yum-downloadonly ... ''
  * ''yum -y install %%--%%setopt tsflags=test ... ''

i es pot registrar l'activitat amb la comanda ''script''

  * comanda no interactiva: ''script -c "yum -y install..." yum-install-output.log''
  * comanda interactiva: ''script \n yum -y install...  \n exit''

==== Instal·lació de nous paquets ====

Un cop finalitzades les proves, inicio del procés d'instal·lació dels paquets addicionals.

<file>
# script yum-install-output.log
Script started, file is yum-install-output.log
# yum -y install $(cat avance-neo-500-pkglist.txt | xargs)
Loaded plugins: fastestmirror, langpacks
Loading mirror speeds from cached hostfile
epel/x86_64/metalink                                                                           |  35 kB  00:00:00     
 * base: ftp.csuc.cat
 * elrepo: mirrors.coreix.net
 * epel: pkg.adfinis.com
 * extras: ftp.csuc.cat
 * updates: ftp.csuc.cat
base                                                                                           | 3.6 kB  00:00:00     
bruker                                                                                         | 2.9 kB  00:00:00     
elrepo                                                                                         | 3.0 kB  00:00:00     
extras                                                                                         | 2.9 kB  00:00:00     
updates                                                                                        | 2.9 kB  00:00:00     
updates/7/x86_64/primary_db                                                                    | 9.5 MB  00:00:00     
Package abattis-cantarell-fonts-0.0.25-1.el7.noarch already installed and latest version
Package abrt-2.1.11-60.el7.centos.x86_64 already installed and latest version

[...]

Package zip-3.0-11.el7.x86_64 already installed and latest version
Package zlib-1.2.7-19.el7_9.x86_64 already installed and latest version
Resolving Dependencies
--> Running transaction check
---> Package ImageMagick.x86_64 0:6.9.10.68-5.el7_9 will be installed
---> Package NetworkManager-bluetooth.x86_64 1:1.18.8-2.el7_9 will be installed
---> Package NetworkManager-wwan.x86_64 1:1.18.8-2.el7_9 will be installed

[...]

---> Package yum-plugin-nvidia.noarch 0:1.0.2-1.el7.elrepo will be installed
---> Package yumex.noarch 0:3.0.17-1.el7 will be installed
--> Finished Dependency Resolution

Dependencies Resolved

======================================================================================================================
 Package                                  Arch          Version                                  Repository      Size
======================================================================================================================
Installing:
 ImageMagick                              x86_64        6.9.10.68-5.el7_9                        updates        2.3 M
 NetworkManager-bluetooth                 x86_64        1:1.18.8-2.el7_9                         updates        183 k


[...]

 xterm                                    x86_64        295-3.el7_9.1                            updates        456 k
 yum-plugin-nvidia                        noarch        1.0.2-1.el7.elrepo                       elrepo          12 k
 yumex                                    noarch        3.0.17-1.el7                             epel           444 k

Transaction Summary
======================================================================================================================                                                                                                                [0/5377]
Install  382 Packages

Total size: 705 M
Installed size: 2.0 G
Downloading packages:
Running transaction check
Running transaction test
Transaction test succeeded
Running transaction
  Installing : libxfce4util-4.12.1-2.el7.x86_64                                     1/382 
  Installing : librevenge-0.0.2-2.el7.x86_64                                        2/382 
  Installing : kdesdk-common-4.10.5-8.el7.noarch                                    3/382 

[...]

  Installing : bruker-default-user-2.1-0.el7.brk.noarch                           380/382 
  Installing : pyOpenSSL-0.13.1-4.el7.x86_64                                      381/382 
  Installing : vte-0.28.2-10.el7.x86_64                                           382/382 
  Verifying  : boost-program-options-1.53.0-28.el7.x86_64                           1/382 
  Verifying  : kdesdk-okteta-libs-4.10.5-8.el7.x86_64                               2/382 

[...]

  Verifying  : kdf-4.10.5-3.el7.x86_64                                            380/382 
  Verifying  : xfce4-session-4.12.1-8.el7.x86_64                                  381/382 
  Verifying  : boost-filesystem-1.53.0-28.el7.x86_64                              382/382 

Installed:
  ImageMagick.x86_64 0:6.9.10.68-5.el7_9                     NetworkManager-bluetooth.x86_64 1:1.18.8-2.el7_9                 
  NetworkManager-wwan.x86_64 1:1.18.8-2.el7_9                OpenEXR-libs.x86_64 0:1.7.1-8.el7                                
  PackageKit-Qt.x86_64 0:0.9.5-2.el7                         PackageKit-yum-plugin.x86_64 0:1.1.10-2.el7.centos               

[...]

  xorg-x11-server-Xvfb.x86_64 0:1.20.4-16.el7_9              xorg-x11-xbitmaps.noarch 0:1.1.1-6.el7                           
  xsettings-kde.x86_64 0:0.12.3-7.el7                        xterm.x86_64 0:295-3.el7_9.1                                     
  yum-plugin-nvidia.noarch 0:1.0.2-1.el7.elrepo              yumex.noarch 0:3.0.17-1.el7                                      

Complete!

# exit
exit
Script done, file is yum-install-output.log

</file>


==== Enllaços d'interès ====

  * [[https://unix.stackexchange.com/questions/71/duplicating-a-yum-based-linux-installation | Duplicating a Yum-based Linux installation.]] Unix & Linux Stack Exchange
  * [[http://www.pwrusr.com/system-administration/clone-installed-packages-between-different-centos-versions | Clone installed packages between different CentOS versions.]] pwrusr.com
  * [[https://ostechnix.com/create-list-installed-packages-install-later-list-centos-ubuntu/ | Create A List Of Installed Packages And Install Them Later From The List]]
  * [[https://www.google.com/search?q=replicate+centos+using+yum | Cerca "replicate centos using yum" a Google]]
  * [[https://ostechnix.com/how-to-simulate-linux-commands-without-changing-anything-in-the-system/ | How To Simulate Linux Commands Without Changing Anything In The System]]
  * [[https://unix.stackexchange.com/questions/617417/why-yum-update-assumeno-return-exit-code-1-while-yum-progress-installation-is | why yum update --assumeno return exit code 1 while yum progress installation is ok.]]
  * [[https://community.spiceworks.com/topic/2122771-how-to-log-yum-update-checks-even-when-no-packages-are-installed-or-updated | How to log yum update checks even when no packages are installed or updated.]]
  * [[https://forums.fedoraforum.org/showthread.php?180597-Direct-YUM-output-to-screen-and-file-simultaneously | Direct YUM output to screen and file simultaneously?]]
  * [[https://www.geeksforgeeks.org/script-command-in-linux-with-examples/ | script command in Linux with Examples]]
  * [[https://www.computerhope.com/unix/uscript.htm | Linux script command]]


===== Desactivar el magatzem Bruker =====

<WRAP important>
No s'ha d'instal·lar el paquet bruker-setup perquè és pels ordinadors de consoles Avance Neo i requereix la instal·lació de paquets de Nvidia incompatibles amb la targeta gràfica instal·lada.
</WRAP>

Un cop instal·lats els paquets de Bruker necessaris,

<file>
# yum list installed | grep bruker
bruker-addon.noarch                         1.4-0.el7.brk              @/bruker-addon-latest.x86_64
bruker-default-user.noarch                  2.1-0.el7.brk              @bruker  
bruker-images.noarch                        1.1-1.el7.brk              @bruker  
bruker-lockdown-session.noarch              1.0-1.el7.brk              @bruker  
bruker-network-autoneo.noarch               0.2-0.el7.brk              @bruker  
bruker-system-environ.noarch                1.0-5.el7.brk              @bruker  
</file>

desactivo el magatzem Bruker per evitar problemes. Per fer-ho edito el fitxer de configuració del magatzem amb la comanda ''nano -c /etc/yum.repos.d/Bruker-Addon.repo'' i canvio la línia "enabled=1" a "enabled=0" i comprovo que ja no surt al llistat de magatzem activats:

<file>
# yum repolist enabled
[..]
repo id                              repo name                                                                  status
base/7/x86_64                        CentOS-7 - Base                                                            10,072
elrepo                               ELRepo.org Community Enterprise Linux Repository - el7                     111+12
epel/x86_64                          Extra Packages for Enterprise Linux 7 - x86_64                             13,625
extras/7/x86_64                      CentOS-7 - Extras                                                             498
updates/7/x86_64                     CentOS-7 - Updates                                                          2,552
repolist: 26,858
</file>

===== Paquets addicionals no instal·lats =====

Comprovo quins paquets addicionals no s'han instal·lat:

<file>
# grep "No package" yum-install-output.log
No package CodeMeter-7.10.4196-501.x86_64 available.
No package gpg-pubkey-352c64e5-52ae6884 available.
No package gpg-pubkey-baadae52-49beffa4 available.
No package gpg-pubkey-c5c2a86d-4ede280b available.
No package gpg-pubkey-f4a80eb5-53a7ff4b available.
No package kernel-3.10.0-1127.13.1.el7.x86_64 available.
No package kernel-3.10.0-957.21.3.el7.x86_64 available.
No package kernel-devel-3.10.0-1127.13.1.el7.x86_64 available.
No package kernel-devel-3.10.0-957.21.3.el7.x86_64 available.
No package libmspack-0.7-0.1.alpha.el7.x86_64 available.
No package openprinting-ppds-postscript-sharp-20160218-1lsb3.2.noarch available.
</file>

Els paquets gpg-pubkey es poden ignorar ja que es creen a l'ordinador quan s'instal·len les claus dels servidors dels magatzems i són específics per cada ordinador ([[https://unix.stackexchange.com/questions/190203/what-are-gpg-pubkey-packages | What are gpg-pubkey* packages?.]]

El programa CodeMeter no està a cap magatzem i s'ha de descarregar del lloc web de Bruker.

Els Linux Kernel no instal·lats són versions anterior a la instal·lada, o sigui que no cal preocupar-se.

En el cas del paquet limbspack, hi ha instal·lada un versió anterior (0.5-0.8.alpha.el7) procedent del magatzem base, i la versió "0.7-0.1.alpha.el7" s'ha instal·lat localment i no procedeix de cap magatzem. Faig una [[https://www.rpmfind.net/linux/rpm2html/search.php?query=libmspack(x86-64) | cerca]] a [[https://www.rpmfind.net/ | RPMFind]] i trobo que és un paquet per CentOS 8 i que instal·lar-ho podria causar problemes de dependències, de forma que decideixo no actualitzar-lo.

En el cas del paquet openprinting-ppds-postscript-sharp, com que no tenim cap impressora SHARP al servei, no cal instal·lar-ho.

===== Paquets per la targeta gràfica Nvidia Quadro 600 =====

Després d'instal·lar els paquets addicionals a partir de la llista generada a l'ordinador de l'espectròmetre Avance Neo 500 MHz, cada cop que executo la comanda ''yum'' apareixen uns missatges d'avís relacionats amb els paquets kmod-nvidia-* i nvidia-x11-drv*,

<file>
# yum info libmspack
[...]
[nvidia]: excluding kmod-nvidia-460.80-1.el7_9.elrepo.x86_64
[nvidia]: excluding kmod-nvidia-460.84-1.el7_9.elrepo.x86_64
[nvidia]: excluding kmod-nvidia-470.57.02-1.el7_9.elrepo.x86_64
[nvidia]: excluding nvidia-x11-drv-460.84-1.el7_9.elrepo.x86_64
[nvidia]: excluding nvidia-x11-drv-470.57.02-1.el7_9.elrepo.x86_64
[nvidia]: excluding nvidia-x11-drv-libs-460.80-1.el7_9.elrepo.i686
[nvidia]: excluding nvidia-x11-drv-libs-460.80-1.el7_9.elrepo.x86_64
[nvidia]: excluding nvidia-x11-drv-libs-460.84-1.el7_9.elrepo.i686
[nvidia]: excluding nvidia-x11-drv-libs-460.84-1.el7_9.elrepo.x86_64
[nvidia]: excluding nvidia-x11-drv-libs-470.57.02-1.el7_9.elrepo.i686
[nvidia]: excluding nvidia-x11-drv-libs-470.57.02-1.el7_9.elrepo.x86_64
Installed Packages
Name        : libmspack
...
</file>

Aquests missatges indiquen que aquests paquets no contenen el controlador adient per la targeta gràfica instal·lada a l'ordinador, de forma que s'hauran de desinstal·lar i substituir pels paquets correctes per la targeta gràfica instal·lada.

Per començar, comprovo quina és la targeta gràfica instal·lada a l'estació de treball,

<file>
# lshw -class video
  *-display UNCLAIMED       
       description: VGA compatible controller
       product: GF108GL [Quadro 600]
       vendor: NVIDIA Corporation
       physical id: 0
       bus info: pci@0000:0f:00.0
       version: a1
       width: 64 bits
       clock: 33MHz
       capabilities: pm msi pciexpress vga_controller bus_master cap_list
       configuration: latency=0
       resources: memory:ea000000-eaffffff memory:e0000000-e7ffffff memory:e8000000-e9ffffff ioport:d000(size=128) memory:eb080000-eb0fffff
</file>

i cerco al website de Nvidia quin és el driver per aquesta targeta,

  * [[https://www.nvidia.com/Download/driverResults.aspx/177153/en-us | Linux x64 (AMD64/EM64T) Display Driver]]
    * Version: 	390.144
    * Release Date: 	2021.7.20
    * Operating System: 	Linux 64-bit
    * Language: 	English (US)
    * File Size: 	81.06 MB 

Un cop identificat el controlador, consulto si hi ha algun paquet disponible per aquest controlador "390",

<file>
# yum search kmod-nvidia                                                                    
[...]
============================================== N/S matched: kmod-nvidia ==============================================
kmod-nvidia.x86_64 : nvidia kernel module(s)
kmod-nvidia-340xx.x86_64 : nvidia-340xx kernel module(s)
kmod-nvidia-390xx.x86_64 : nvidia-390xx kernel module(s)

  Name and summary matches only, use "search all" for everything.
 
# yum search nvidia-x11-drv
[...]
============================================ N/S matched: nvidia-x11-drv =============================================
nvidia-x11-drv.x86_64 : NVIDIA OpenGL X11 display driver files
nvidia-x11-drv-340xx.x86_64 : NVIDIA OpenGL X11 display driver files
nvidia-x11-drv-340xx-32bit.x86_64 : Compatibility 32-bit files for the 64-bit Proprietary NVIDIA driver
nvidia-x11-drv-390xx.x86_64 : NVIDIA OpenGL X11 display driver files
nvidia-x11-drv-390xx-libs.i686 : Libraries for the Proprietary NVIDIA driver
nvidia-x11-drv-390xx-libs.x86_64 : Libraries for the Proprietary NVIDIA driver
nvidia-x11-drv-libs.x86_64 : Libraries for the Proprietary NVIDIA driver

  Name and summary matches only, use "search all" for everything.
</file>

Veig que hi ha diversos paquets que caldrà instal·lar:

  * kmod-nvidia-390xx
  * nvidia-x11-drv-390xx
  * nvidia-x11-drv-390xx-libs

alhora que caldrà desinstal·lar el paquet kmod-nvidia i els que en depenen.

Començo per desinstal·lar els paquets kmod-nvidia (desinstal·larà nvidia-x11-drv) i nvidia-x11-drv-libs,

<file>
# yum remove kmod-nvidia
Loaded plugins: fastestmirror, keys, langpacks, nvidia, refresh-packagekit
Resolving Dependencies
--> Running transaction check
---> Package kmod-nvidia.x86_64 0:470.57.02-1.el7_9.elrepo will be erased
--> Processing Dependency: nvidia-kmod = 470.57.02 for package: nvidia-x11-drv-470.57.02-1.el7_9.elrepo.x86_64
--> Processing Dependency: nvidia-kmod = 470.57.02 for package: nvidia-x11-drv-470.57.02-1.el7_9.elrepo.x86_64
--> Running transaction check
---> Package nvidia-x11-drv.x86_64 0:470.57.02-1.el7_9.elrepo will be erased
--> Processing Dependency: nvidia-x11-drv for package: bruker-setup-2.2-3.el7.brk.noarch
--> Running transaction check
---> Package bruker-setup.noarch 0:2.2-3.el7.brk will be erased
--> Finished Dependency Resolution

Dependencies Resolved

======================================================================================================================
 Package                      Arch                 Version                                Repository             Size
======================================================================================================================
Removing:
 kmod-nvidia                  x86_64               470.57.02-1.el7_9.elrepo               @elrepo                90 M
Removing for dependencies:
 bruker-setup                 noarch               2.2-3.el7.brk                          @bruker                98 k
 nvidia-x11-drv               x86_64               470.57.02-1.el7_9.elrepo               @elrepo                60 M

Transaction Summary
======================================================================================================================
Remove  1 Package (+2 Dependent packages)

Installed size: 150 M
Is this ok [y/N]: 
Downloading packages:
Running transaction check
Running transaction test
Transaction test succeeded
Running transaction
  Erasing    : bruker-setup-2.2-3.el7.brk.noarch                              1/3 
  Erasing    : nvidia-x11-drv-470.57.02-1.el7_9.elrepo.x86_64                 2/3 
  Erasing    : kmod-nvidia-470.57.02-1.el7_9.elrepo.x86_64                    3/3 
Working. This may take some time ...
Done.
  Verifying  : kmod-nvidia-470.57.02-1.el7_9.elrepo.x86_64                                                        1/3 
  Verifying  : bruker-setup-2.2-3.el7.brk.noarch                                                                  2/3 
  Verifying  : nvidia-x11-drv-470.57.02-1.el7_9.elrepo.x86_64                                                     3/3 

Removed:
  kmod-nvidia.x86_64 0:470.57.02-1.el7_9.elrepo                                                                       

Dependency Removed:
  bruker-setup.noarch 0:2.2-3.el7.brk                 nvidia-x11-drv.x86_64 0:470.57.02-1.el7_9.elrepo                

Complete!

# yum remove nvidia-x11-drv-libs
Loaded plugins: fastestmirror, keys, langpacks, nvidia, refresh-packagekit
Resolving Dependencies
--> Running transaction check
---> Package nvidia-x11-drv-libs.x86_64 0:470.57.02-1.el7_9.elrepo will be erased
--> Finished Dependency Resolution

Dependencies Resolved

======================================================================================================================
 Package                         Arch               Version                                 Repository           Size
======================================================================================================================
Removing:
 nvidia-x11-drv-libs             x86_64             470.57.02-1.el7_9.elrepo                @elrepo             458 M

Transaction Summary
======================================================================================================================
Remove  1 Package

Installed size: 458 M
Is this ok [y/N]: y
Downloading packages:
Running transaction check
Running transaction test
Transaction test succeeded
Running transaction
  Erasing    : nvidia-x11-drv-libs-470.57.02-1.el7_9.elrepo.x86_64                                                1/1 
  Verifying  : nvidia-x11-drv-libs-470.57.02-1.el7_9.elrepo.x86_64                                                1/1 

Removed:
  nvidia-x11-drv-libs.x86_64 0:470.57.02-1.el7_9.elrepo                                                               

Complete!
</file>

i després instal·lo el paquet kmod-nvidia-390xx

<file>
# yum install kmod-nvidia-390xx                                                             
[...]
Resolving Dependencies
--> Running transaction check
---> Package kmod-nvidia-390xx.x86_64 0:390.144-1.el7_9.elrepo will be installed
--> Processing Dependency: nvidia-x11-drv-390xx = 390.144 for package: kmod-nvidia-390xx-390.144-1.el7_9.elrepo.x86_64
--> Running transaction check
---> Package nvidia-x11-drv-390xx.x86_64 0:390.144-1.el7_9.elrepo will be installed
--> Processing Dependency: nvidia-x11-drv-390xx-libs(x86-64) = 390.144-1.el7_9.elrepo for package: nvidia-x11-drv-390xx-390.144-1.el7_9.elrepo.x86_64
--> Processing Dependency: libnvidia-glcore.so.390.144()(64bit) for package: nvidia-x11-drv-390xx-390.144-1.el7_9.elrepo.x86_64
--> Processing Dependency: libnvidia-ml.so.1()(64bit) for package: nvidia-x11-drv-390xx-390.144-1.el7_9.elrepo.x86_64
--> Processing Dependency: libnvidia-tls.so.390.144()(64bit) for package: nvidia-x11-drv-390xx-390.144-1.el7_9.elrepo.x86_64
--> Running transaction check
---> Package nvidia-x11-drv-390xx-libs.x86_64 0:390.144-1.el7_9.elrepo will be installed
--> Finished Dependency Resolution

Dependencies Resolved

======================================================================================================================
 Package                               Arch               Version                            Repository          Size
======================================================================================================================
Installing:
 kmod-nvidia-390xx                     x86_64             390.144-1.el7_9.elrepo             elrepo              15 M
Installing for dependencies:
 nvidia-x11-drv-390xx                  x86_64             390.144-1.el7_9.elrepo             elrepo             3.0 M
 nvidia-x11-drv-390xx-libs             x86_64             390.144-1.el7_9.elrepo             elrepo              39 M

Transaction Summary
======================================================================================================================
Install  1 Package (+2 Dependent packages)

Total download size: 57 M
Installed size: 229 M
Is this ok [y/d/N]: y
Downloading packages:
(1/3): nvidia-x11-drv-390xx-390.144-1.el7_9.elrepo.x86_64.rpm                                  | 3.0 MB  00:00:02     
(2/3): kmod-nvidia-390xx-390.144-1.el7_9.elrepo.x86_64.rpm                                     |  15 MB  00:00:06     
(3/3): nvidia-x11-drv-390xx-libs-390.144-1.el7_9.elrepo.x86_64.rpm                             |  39 MB  00:00:10     
----------------------------------------------------------------------------------------------------------------------
Total                                                                                 4.1 MB/s |  57 MB  00:00:13     
Running transaction check
Running transaction test
Transaction test succeeded
Running transaction
  Installing : kmod-nvidia-390xx-390.144-1.el7_9.elrepo.x86_64                 1/3 
Working. This may take some time ...
Done.
  Installing : nvidia-x11-drv-390xx-libs-390.144-1.el7_9.elrepo.x86_64         2/3 
  Installing : nvidia-x11-drv-390xx-390.144-1.el7_9.elrepo.x86_64              3/3 
  Verifying  : nvidia-x11-drv-390xx-390.144-1.el7_9.elrepo.x86_64              1/3 
  Verifying  : kmod-nvidia-390xx-390.144-1.el7_9.elrepo.x86_64                 2/3 
  Verifying  : nvidia-x11-drv-390xx-libs-390.144-1.el7_9.elrepo.x86_64         3/3 

Installed:
  kmod-nvidia-390xx.x86_64 0:390.144-1.el7_9.elrepo                                                                   

Dependency Installed:
  nvidia-x11-drv-390xx.x86_64 0:390.144-1.el7_9.elrepo    nvidia-x11-drv-390xx-libs.x86_64 0:390.144-1.el7_9.elrepo   

Complete!
</file>

Els missatges sobre els paquets de Nvidia encara surten, però ara puc eliminar el paquet [[https://centos.pkgs.org/7/elrepo-x86_64/yum-plugin-nvidia-1.0.2-1.el7.elrepo.noarch.rpm.html | yum-plugin-nvidia]] perquè ja no és necessari,

<file>
# yum remove yum-plugin-nvidia
Loaded plugins: fastestmirror, keys, langpacks, nvidia, refresh-packagekit
Resolving Dependencies
--> Running transaction check
---> Package yum-plugin-nvidia.noarch 0:1.0.2-1.el7.elrepo will be erased
--> Finished Dependency Resolution

Dependencies Resolved

======================================================================================================================
 Package                         Arch                 Version                             Repository             Size
======================================================================================================================
Removing:
 yum-plugin-nvidia               noarch               1.0.2-1.el7.elrepo                  @elrepo                22 k

Transaction Summary
======================================================================================================================
Remove  1 Package

Installed size: 22 k
Is this ok [y/N]: y
Downloading packages:
Running transaction check
Running transaction test
Transaction test succeeded
Running transaction
  Erasing    : yum-plugin-nvidia-1.0.2-1.el7.elrepo.noarch                     1/1 
  Verifying  : yum-plugin-nvidia-1.0.2-1.el7.elrepo.noarch                     1/1 

Removed:
  yum-plugin-nvidia.noarch 0:1.0.2-1.el7.elrepo                                                                       

Complete!
</file>

i finalment deixen d'apareixer els missatges d'avís sobre paquets de nvidia.


==== Enllaços d'interès ====

  * [[https://forums.centos.org/viewtopic.php?t=68674 | What's Up With Kmod-Nvidia?!? - CentOS
  * [[https://www.tecmint.com/install-nvidia-drivers-in-linux/ | Install NVIDIA Drivers in RHEL/CentOS/Fedora and Debian/Ubuntu/Linux Mint]]
  * [[https://www.nvidia.com/Download/driverResults.aspx/177153/en-us | NVIDIA DRIVERS Linux x64 (AMD64/EM64T) Display Driver]]
  * [[https://www.mail-archive.com/centos@centos.org/msg130368.html | Re: [CentOS] Yum excluding packages I need]]

===== Enllaç a la 3a part =====

[[informatica:hp_z400_600_centos7_3 | Tercera part de la instal·lació del CentOS]]
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