centos_8_migration_notes
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| Both sides previous revisionPrevious revision | Next revisionBoth sides next revision | ||
| centos_8_migration_notes [2020/10/15 18:30] – juckins | centos_8_migration_notes [2020/10/15 18:32] – juckins | ||
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| * Edit > Keyboard Shortcuts > Reset and Clear > F2 | * Edit > Keyboard Shortcuts > Reset and Clear > F2 | ||
| * Disable Vim auto-indent following [[vim_tips|Vi and Vim Tips]] | * Disable Vim auto-indent following [[vim_tips|Vi and Vim Tips]] | ||
| - | * < | ||
| - | * < | ||
| - | * < | ||
| - | * < | ||
| - | * < | ||
| Change setting on screensaver | Change setting on screensaver | ||
| Line 114: | Line 109: | ||
| * Moving display of current CPU usage should appear | * Moving display of current CPU usage should appear | ||
| - | __Fresh VirtualBox Installation Notes 8 Nov 2015 (previous install 30 Sept 2014)__ | + | ---- |
| - | + | ||
| - | * Preferable to use local .iso file to conserve bandwidth for multiple installs | + | |
| - | * Used http:// | + | |
| - | * On initial config screen, ensure the network connection is activated | + | |
| - | * You can also disable SELinux | + | |
| - | * < | + | |
| - | * * < | + | |
| - | * Let system create mount points automatically | + | |
| - | * After they are suggested, change from LVM to Standard Mount | + | |
| - | * May want to increase the boot and " | + | |
| - | * Used default " | + | |
| - | * For software packages, if you only choose something like Web Server you will not get graphical login | + | |
| - | * Choose a general desktop option, too | + | |
| - | * Boot into machine | + | |
| - | * Note the IP address | + | |
| - | + | ||
| - | Use nmtui-hostname to [[http:// | + | |
| - | < | + | |
| - | # nmcli general hostname | + | |
| - | # nmcli general hostname new_server_name | + | |
| - | # systemctl restart systemd-hostnamed | + | |
| - | </ | + | |
| - | + | ||
| - | dnf -y update, reboot, verify latest kernel is loaded by GRUB | + | |
| - | + | ||
| - | Only keep 1 old kernel | + | |
| - | + | ||
| - | Ensure gcc, make, kernel-devel are installed. | + | |
| - | + | ||
| - | Install Virtual Box Guest Additions | + | |
| - | * Took 10 minutes to install | + | |
| - | + | ||
| - | Reboot | + | |
| - | + | ||
| - | Add 2nd hard drive to /etc/fstab [[adding_a_second_hard_drive|following these notes]] | + | |
| - | + | ||
| - | Prepare to run the local dnf installer script | + | |
| - | * Also installs [[https:// | + | |
| - | * Best to run the script by establishing SSH connection to box from a different machine. | + | |
| - | * Pipe output to log file and tail the log file | + | |
| - | * [[yum_installer_bash_script_centos8|dnf installer bash script (CentOS 8)]] | + | |
| - | + | ||
| - | [[install_configure_cpan|CPAN packages]] to install: | + | |
| - | * <color # | + | |
| - | * [[http:// | + | |
| - | * Array:: | + | |
| - | * //Note, this module is not needed. Was used in ASMAD compare_stops.pl and compare_origin.pl// | + | |
| - | * Start up cpan as root (initial time) | + | |
| - | * Run through the manual configuration process, accept the defaults | + | |
| - | * Start up cpan as root | + | |
| - | * > install CPAN (this updates the CPAN packages) | + | |
| - | * cpan Array:: | + | |
| - | * Time:: | + | |
| - | * //Note, this module is not needed. Was used in syncing to CDN.// | + | |
| - | * As root, had to: | + | |
| - | * cd / | + | |
| - | * cp -rp * / | + | |
| - | * Another option is to install modules locally | + | |
| - | * Yet another option is to use modules that are in a repository | + | |
| - | + | ||
| - | [[http:// | + | |
| - | + | ||
| - | [[http:// | + | |
| - | * check / | + | |
| - | * [[http:// | + | |
| - | * [[http:// | + | |
| - | + | ||
| - | [[centos_php7.2_upgrade|Upgrade PHP to version 7.2]] | + | |
| - | + | ||
| - | Migrate / | + | |
| - | < | + | |
| - | ; | + | |
| - | max_execution_time = 3600 | + | |
| - | ; | + | |
| - | max_input_time = 3600 | + | |
| - | ; | + | |
| - | memory_limit = 1024M | + | |
| - | ; | + | |
| - | display_errors = On | + | |
| - | ; | + | |
| - | post_max_size = 250M | + | |
| - | ; | + | |
| - | upload_max_filesize = 250M | + | |
| - | ; | + | |
| - | date.timezone = " | + | |
| - | ; | + | |
| - | session.gc_maxlifetime = 7200 | + | |
| - | </ | + | |
| - | < | + | |
| - | # systemctl restart httpd.service | + | |
| - | </ | + | |
| - | + | ||
| - | [[http:// | + | |
| Database work: | Database work: | ||
| Line 233: | Line 135: | ||
| * systemctl enable mariadb.service | * systemctl enable mariadb.service | ||
| * mysql DATABASE -h localhost -u USER -p' | * mysql DATABASE -h localhost -u USER -p' | ||
| - | |||
| - | * Note CentOS7 comes with PHP 5.4 and latest version of phpMyAdmin that will work is 4.4.x | ||
| - | * [[centos_php5.6_upgrade|Install PHP 5.6 on CentOS 7]] | ||
| - | * Run through phpmyadmin install steps listed in [[installing_phpmyadmin_tips]] | ||
| - | * [[https:// | ||
| - | * With PHP 5.6, the latest version of phpMyAdmin (4.6.4) is fully supported | ||
| - | * Copy config from previous machine | ||
| Setup ddclient: | Setup ddclient: | ||
| Line 265: | Line 160: | ||
| Restore /etc/hosts from previous machine as needed | Restore /etc/hosts from previous machine as needed | ||
| - | |||
| - | Disable virbro0 network connection if needed: http:// | ||
| - | < | ||
| - | # virsh net-destroy default | ||
| - | # virsh net-undefine default | ||
| - | # service libvirtd restart | ||
| - | # ifconfig | ||
| - | </ | ||
| Then, edit the network connections and make sure the " | Then, edit the network connections and make sure the " | ||
| Line 280: | Line 167: | ||
| * [[http:// | * [[http:// | ||
| * [[http:// | * [[http:// | ||
| - | |||
| [[http:// | [[http:// | ||
centos_8_migration_notes.txt · Last modified: 2022/06/08 16:03 by juckins