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--- informatica:hp_z400_600_centos7_2 [2021/08/05 16:19]
miquel [Paquets addicionals]
+++ informatica:hp_z400_600_centos7_2 [2021/08/06 11:20]
miquel [Enllaços d'interès]
@@ Line 238: / Line 238: @@
 <wrap alert>**No funciona**</wrap> Quart parell de comandes per CentOS & CentOS:
-  * Generació del llistat: ''rpm -qa --queryformat "%{NAME}\n" > yum.packages.list''
+  * 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.]]
@@ Line 249: / Line 249: @@
   * 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 install $(cat /root/pkglist.txt | xargs)''
+    * ''yum -y install $(cat /home/user/installed-software.log)''
+Per precaució, es pot fer un simulacre per veure quins paquets s'instal·larien:
+  * ''yum install yum-downloadonly ... ''
+  * ''yum -y install %%--%%setopt tsflags=test ... ''
+tal i com es descriu a [[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]] i a [[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.]]
 ==== Enllaços d'interès ====
@@ Line 258: / Line 270: @@
   * [[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?]]

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