Christopher Juckins

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centos_7_migration_notes

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centos_7_migration_notes [2019/04/14 22:04]
juckins
centos_7_migration_notes [2019/04/17 22:04] (current)
juckins
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 Restarting Services: http://​www.putorius.net/​2014/​07/​restarting-services-in-red-hat-7-or.html Restarting Services: http://​www.putorius.net/​2014/​07/​restarting-services-in-red-hat-7-or.html
  
-For migrating a system, 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 CentOS6 and one on CentOS7
     * Compare hidden files to see if anything changed between OSs     * Compare hidden files to see if anything changed between OSs
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   * users   * users
   * <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 link #1]] +    * [[https://​www.tecmint.com/​transfer-mysql-databases-from-old-to-new-server/​|Migrate with rsync]] 
-    * [[https://​www.linode.com/​docs/​databases/​mysql/​create-physical-backups-of-your-mariadb-or-mysql-databases/​|Migrate with rsync link #2]]+    * [[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't forget to add semicolons with this:  # sed -i ‘/[^;] *$/​s/​$/;/​’ ./grantfile       * Don't forget to add semicolons with this:  # sed -i ‘/[^;] *$/​s/​$/;/​’ ./grantfile
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 perl perl
 perl-autodie perl-autodie
 +perl-Array-Diff
 +perl-Array-Unique
 perl-B-Lint perl-B-Lint
 perl-Business-ISBN perl-Business-ISBN
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     * edit /​etc/​fail2ban/​jail.local to ban for longer than default of 1 hour     * edit /​etc/​fail2ban/​jail.local to ban for longer than default of 1 hour
     * Check logs: # cat /​var/​log/​fail2ban.log     * Check logs: # cat /​var/​log/​fail2ban.log
-    * Ensure service is running: ''#​ systemctl enable fail2ban'' ​and ''#​ systemctl restart fail2ban''​+    * Ensure service is running: 
 +      * ''#​ systemctl enable fail2ban''​ 
 +      * ''#​ systemctl restart fail2ban''​
   * [[gmail_as_a_relay_on_linux|Set up Gmail Relay and test]]   * [[gmail_as_a_relay_on_linux|Set up Gmail Relay and test]]
   * Disable SELinux   * Disable SELinux
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   * systemctl restart sshd.service   * systemctl restart sshd.service
  
-Update GRUB+Update GRUB and splash screen 
 +  * My saved splash images with varying resolutions are in /​root/​downloads/​splash
   * <color #​ed1c24>​As of CentOS 7.2 cannot get custom splash image to appear at boot (with UEFI)</​color>​   * <color #​ed1c24>​As of CentOS 7.2 cannot get custom splash image to appear at boot (with UEFI)</​color>​
   * cd /​etc/​default   * cd /​etc/​default
centos_7_migration_notes.1555293894.txt.gz · Last modified: 2019/04/14 22:04 by juckins