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centos_8_migration_notes [2020/10/08 08:34] juckinscentos_8_migration_notes [2020/10/15 18:27] juckins
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 ==== CentOS 8 Migration Notes ==== ==== CentOS 8 Migration Notes ====
  
-<color #ed1c24>Below is copied from [[centos_7_migration_notes|CentOS 7 Migration Notes]] so modify as needed.</color>+<color #ed1c24>**Below is copied from [[centos_7_migration_notes|CentOS 7 Migration Notes]] so modify as needed.**</color>
  
 Other fixes: Other fixes:
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 For migrating a system from a different OS, take note of this info first: For migrating a system from a different OS, take note of this info first:
-  * Make a test user on CentOS6 and one on CentOS7+  * Make a test user on CentOS7 and one on CentOS8
     * Compare hidden files to see if anything changed between OSs     * Compare hidden files to see if anything changed between OSs
 +    * This allows for easy migrating of data for users' $HOME directories
   * ensure all scripts make their own log file directory   * ensure all scripts make their own log file directory
     * $log_dir = "/var/tmp/check_disk_space";     * $log_dir = "/var/tmp/check_disk_space";
     * mkdir ("$log_dir", 0755);     * mkdir ("$log_dir", 0755);
     * should crons write to /tmp and then have a daily script that checks cron logs for errors?     * should crons write to /tmp and then have a daily script that checks cron logs for errors?
-  * users+ 
 + 
 +---- 
 + 
 + 
 +  Get inventory of users 
 +  * /// 
 +  * Check that PHP is working correctly, localhost/index.php tries to open a file 
 +    * check httpd.conf 
 +  * /// 
 +  * Clear all history from Firefox before testing phpmyadmin 
 +    * Check httpd logs for any errors, such as mod security 
 +    * uninstall [[https://phoenixnap.com/kb/setup-configure-modsecurity-on-apache|mod_security]] if necessary 
 +  * [[https://www.digitalocean.com/community/tutorials/how-to-set-up-a-firewall-using-firewalld-on-centos-8|Add https and http to firewall rules]]
   * <color #ed1c24>MySQL / MariaDB Database and users</color>   * <color #ed1c24>MySQL / MariaDB Database and users</color>
-    * [[https://www.tecmint.com/transfer-mysql-databases-from-old-to-new-server/|Migrate with rsync]]+    * [[https://www.digitalocean.com/community/tutorials/how-to-reset-your-mysql-or-mariadb-root-password|Reset mysql root password]] 
 +    * [[https://www.tecmint.com/install-lamp-on-centos-8/|Notes for installing LAMP]] on CentOS 8 
 +    * [[https://www.digitalocean.com/community/tutorials/how-to-install-the-apache-web-server-on-centos-8]] 
 +    * [[https://www.tecmint.com/transfer-mysql-databases-from-old-to-new-server/|Migrate all databases with mysqldump]] 
 +      * Note that the restore of mysql does not use "--all-databases" option and is an error in link above
     * [[https://www.linode.com/docs/databases/mysql/create-physical-backups-of-your-mariadb-or-mysql-databases/|Migrate with tar]]     * [[https://www.linode.com/docs/databases/mysql/create-physical-backups-of-your-mariadb-or-mysql-databases/|Migrate with tar]]
     * [[http://www.uptimemadeeasy.com/linux/mysql-migrate-users-server-server/|Migrate MySQL users to new machine]]     * [[http://www.uptimemadeeasy.com/linux/mysql-migrate-users-server-server/|Migrate MySQL users to new machine]]
-      * Don'forget to add semicolons with this:  # sed -i ‘/[^;] *$/s/$/;/’ ./grantfile+      * They can be exported from phpmyadmin (but don'include root)
   * export MySQL databases with mysqldump   * export MySQL databases with mysqldump
     * [[https://www.digitalocean.com/community/tutorials/how-to-migrate-a-mysql-database-between-two-servers|Migrate MySQL database to new server]]     * [[https://www.digitalocean.com/community/tutorials/how-to-migrate-a-mysql-database-between-two-servers|Migrate MySQL database to new server]]
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   * Note firewall rules   * Note firewall rules
     * [[https://serverfault.com/questions/655851/is-there-a-simple-way-to-export-import-firewalld-settings|Export Firewall Rules to new server]]     * [[https://serverfault.com/questions/655851/is-there-a-simple-way-to-export-import-firewalld-settings|Export Firewall Rules to new server]]
- 
-Note these installed perl RPMs: 
- 
-''# rpm -qa --qf "%{NAME}\n" | grep -i perl | sort'' 
- 
-<code> 
-ImageMagick-perl 
-perl 
-perl-autodie 
-perl-Array-Diff 
-perl-Array-Unique 
-perl-B-Lint 
-perl-Business-ISBN 
-perl-Business-ISBN-Data 
-perl-Carp 
-perl-CGI 
-perl-Class-ISA 
-perl-common-sense 
-perl-Compress-Raw-Bzip2 
-perl-Compress-Raw-Zlib 
-perl-constant 
-perl-CPAN 
-perl-Data-Dumper 
-perl-DBD-MySQL 
-perl-DBI 
-perl-devel 
-perl-Digest 
-perl-Digest-MD5 
-perl-Digest-SHA 
-perl-Encode 
-perl-Encode-Locale 
-perl-Env 
-perl-Exporter 
-perl-ExtUtils-Install 
-perl-ExtUtils-MakeMaker 
-perl-ExtUtils-Manifest 
-perl-ExtUtils-ParseXS 
-perl-FCGI 
-perl-File-BaseDir 
-perl-File-CheckTree 
-perl-File-DesktopEntry 
-perl-File-Listing 
-perl-File-MimeInfo 
-perl-File-Path 
-perl-File-ReadBackwards 
-perl-File-Slurp 
-perl-File-Temp 
-perl-Filter 
-perl-Font-AFM 
-perl-GD 
-perl-Getopt-Long 
-perl-HTML-Element-Extended 
-perl-HTML-Format 
-perl-HTML-Parser 
-perl-HTML-TableExtract 
-perl-HTML-Tagset 
-perl-HTML-Tree 
-perl-HTTP-Cookies 
-perl-HTTP-Daemon 
-perl-HTTP-Date 
-perl-HTTP-Message 
-perl-HTTP-Negotiate 
-perl-HTTP-Tiny 
-perl-IO-All 
-perl-IO-Compress 
-perl-IO-HTML 
-perl-IO-Socket-IP 
-perl-IO-Socket-SSL 
-perl-IPC-System-Simple 
-perl-JSON 
-perl-JSON-XS 
-perl-libs 
-perl-libwww-perl 
-perl-List-Compare 
-perl-List-MoreUtils 
-perl-Locale-Codes 
-perl-Locale-Maketext 
-perl-local-lib 
-perl-LWP-MediaTypes 
-perl-LWP-Protocol-https 
-perl-macros 
-perl-Module-Pluggable 
-perl-Mozilla-CA 
-perl-Net-Daemon 
-perl-Net-HTTP 
-perl-Net-LibIDN 
-perl-Net-SSLeay 
-perl-Newt 
-perl-parent 
-perl-Parse-Yapp 
-perl-PathTools 
-perl-PlRPC 
-perl-Pod-Checker 
-perl-Pod-Escapes 
-perl-Pod-LaTeX 
-perl-podlators 
-perl-Pod-Parser 
-perl-Pod-Perldoc 
-perl-Pod-Plainer 
-perl-Pod-Simple 
-perl-Pod-Usage 
-perl-Scalar-List-Utils 
-perl-Socket 
-perl-Storable 
-perl-String-CRC32 
-perl-Sys-Syslog 
-perl-Test-Harness 
-perl-Test-Simple 
-perl-Text-ParseWords 
-perl-Text-Soundex 
-perl-Text-Unidecode 
-perl-Thread-Queue 
-perl-threads 
-perl-threads-shared 
-perl-TimeDate 
-perl-Time-HiRes 
-perl-Time-Local 
-perl-Types-Serialiser 
-perl-URI 
-perl-WWW-RobotRules 
-perl-XML-LibXML 
-perl-XML-NamespaceSupport 
-perl-XML-SAX 
-perl-XML-SAX-Base 
-</code> 
  
 Must-Have functionality: Must-Have functionality:
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   * Working crontabs for each user   * Working crontabs for each user
   * [[python_notes|Install Python 3]]   * [[python_notes|Install Python 3]]
- 
-Contents of /etc/yum.repos.d (CentOS 7): 
-  * adobe-linux-x86_64.repo 
-  * CentOS-Base.repo 
-  * CentOS-CR.repo 
-  * CentOS-Debuginfo.repo 
-  * CentOS-fasttrack.repo 
-  * CentOS-Media.repo 
-  * CentOS-Sources.repo 
-  * CentOS-Vault.repo 
-  * epel.repo 
-  * epel-testing.repo 
-  * google-chrome.repo 
-  * nux-dextop.repo 
- 
----- 
- 
-For a continuation of GNOME2 in CentOS7, use "MATE" 
- 
-  * Best option is to do a "minimal install" and follow [[http://www.45drives.com/wiki/index.php/Installing_MATE_on_CentOS_7|Installing MATE on CentOS 7]] 
- 
-Other info on MATE: 
- 
-  * https://www.centos.org/forums/search.php?keywords=gnome \\ 
-  * https://www.centos.org/forums/viewtopic.php?f=48&t=47271&p=202339&hilit=gnome#p202339 \\ 
-  * http://wiki.centos.org/FAQ/CentOS7 \\ 
-  * https://www.centos.org/forums/ 
-  * https://www.centos.org/forums/viewtopic.php?f=48&t=47670 
-  * http://blog.boeiend.be/?p=125 
  
 Customize MATE Desktop displays Customize MATE Desktop displays
centos_8_migration_notes.txt · Last modified: 2022/06/08 16:03 by juckins