centos_8_migration_notes
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| centos_8_migration_notes [2020/09/30 11:52] – juckins | centos_8_migration_notes [2020/10/15 18:30] – juckins | ||
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| ==== CentOS 8 Migration Notes ==== | ==== CentOS 8 Migration Notes ==== | ||
| - | <color # | + | <color #ed1c24>**Below is copied from [[centos_7_migration_notes|CentOS 7 Migration Notes]] so modify as needed.**</ |
| Other fixes: | Other fixes: | ||
| Line 7: | Line 7: | ||
| * Disable WiFi LAN connection with ''# | * Disable WiFi LAN connection with ''# | ||
| * [[https:// | * [[https:// | ||
| - | |||
| - | 16 May 2020: | ||
| - | * System randomly reboots when KVM toggles back and forth from Dell XPS 8930 (running CentOS 7 as ' | ||
| - | * Noticed monitoring emails not being sent from tidewater; postfix not running and won't start. mysql error. | ||
| - | * yum reinstall < | ||
| - | * postfix started | ||
| - | * Other trouble...had to completely uninstall PHP | ||
| - | * Reinstall PHP - that is v5.4 | ||
| - | * Then upgrade to REMI php v7.4 | ||
| - | * Look in the bash setup script to install the needed php files | ||
| - | * Restore / | ||
| - | * restart httpd service | ||
| - | * yum update had many instances of 'empty files' | ||
| - | * ldconfig gave errors for 2 more things | ||
| - | * yum reinstall oniguruma5 | ||
| - | * yum reinstall oniguruma | ||
| - | * reboot system, came up cleanly | ||
| - | * may need to check if mysql connection limit needs to be increased | ||
| - | |||
| - | |||
| - | 13 December 2016: | ||
| - | * VM machine #1 failed to boot into kernel-3.10.0-514.2.2.el7.x86_64 | ||
| - | * Yum had hung up when updating open-vm-tools and I did a '' | ||
| - | * Booting machine into previous kernel had no network connection; rebooting once again got network up | ||
| - | * RPM database completely hosed; had to erase this VM and restore from backup | ||
| - | * VM machine #2 was a clone of a test CentOS 7 VM (v7.2.1511) and it got stuck on trying to update '' | ||
| - | * cancelled by CTRL-C | ||
| - | * had to install " | ||
| - | * yum then failed because transaction size changed | ||
| - | * ran '' | ||
| - | * ran '' | ||
| - | * ran '' | ||
| - | * Still a mess, ran '' | ||
| - | * Erased VM | ||
| - | * VM machine #3 was clone of test CentOS 7 VM (v7.2.1511) | ||
| - | * tried to remove open-vm-tools - hung up so aborted attempt | ||
| - | * VM machine #4 test was clone of test CentOS 7 VM (v7.2.1511) | ||
| - | * '' | ||
| - | * machine updated and booted into new kernel normally | ||
| - | * ran '' | ||
| - | * stalled again | ||
| - | * '' | ||
| - | * **did '' | ||
| - | * **saw this process: '' | ||
| - | * **issued '' | ||
| - | * Primary machine updated OK | ||
| - | * Virtual Box VMs would not start | ||
| - | * Had to run as root ''/ | ||
| - | |||
| - | 5 June 2016: | ||
| - | * Primary system migrated | ||
| - | |||
| - | 18 May 2016: | ||
| - | * Xfce Power Manager icon appeared in task bar | ||
| - | * Might be a way to configure screen blanking | ||
| - | |||
| - | 5 April 2016: | ||
| - | * NUX repository needed for rdesktop | ||
| - | * https:// | ||
| - | * xfreerdp doesn' | ||
| - | |||
| - | 16 February 2016: | ||
| - | * High CPU usage for vmtoolsd process | ||
| - | * removed open-vm-tools-desktop | ||
| - | * rebooted; open-vm-tools still remained but did not use high CPU | ||
| - | |||
| - | Restarting Services: http:// | ||
| 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 | + | * Make a test user on CentOS7 |
| * 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 = "/ | * $log_dir = "/ | ||
| * mkdir (" | * mkdir (" | ||
| * 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? | ||
| - | | + | |
| + | |||
| + | ---- | ||
| + | |||
| + | |||
| + | | ||
| + | * /// | ||
| + | * Check that PHP is working correctly, localhost/ | ||
| + | * check httpd.conf | ||
| + | * /// | ||
| + | * Clear all history from Firefox before testing phpmyadmin | ||
| + | * Check httpd logs for any errors, such as mod security | ||
| + | * uninstall [[https:// | ||
| + | * [[https:// | ||
| * <color # | * <color # | ||
| - | * [[https:// | + | |
| + | * [[https:// | ||
| + | * [[https:// | ||
| + | | ||
| + | * Note that the restore of mysql does not use " | ||
| * [[https:// | * [[https:// | ||
| * [[http:// | * [[http:// | ||
| - | * Don' | + | * They can be exported from phpmyadmin (but don' |
| * export MySQL databases with mysqldump | * export MySQL databases with mysqldump | ||
| * [[https:// | * [[https:// | ||
| Line 113: | Line 64: | ||
| * Note firewall rules | * Note firewall rules | ||
| * [[https:// | * [[https:// | ||
| - | |||
| - | Note these installed perl RPMs: | ||
| - | |||
| - | ''# | ||
| - | |||
| - | < | ||
| - | 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 | ||
| - | </ | ||
| Must-Have functionality: | Must-Have functionality: | ||
| Line 261: | Line 87: | ||
| * Working crontabs for each user | * Working crontabs for each user | ||
| * [[python_notes|Install Python 3]] | * [[python_notes|Install Python 3]] | ||
| - | |||
| - | Contents of / | ||
| - | * 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 " | ||
| - | |||
| - | * Best option is to do a " | ||
| - | |||
| - | Other info on MATE: | ||
| - | |||
| - | * https:// | ||
| - | * https:// | ||
| - | * http:// | ||
| - | * https:// | ||
| - | * https:// | ||
| - | * http:// | ||
| Customize MATE Desktop displays | Customize MATE Desktop displays | ||
| Line 341: | Line 138: | ||
| </ | </ | ||
| - | yum -y update, reboot, verify latest kernel is loaded by GRUB | + | dnf -y update, reboot, verify latest kernel is loaded by GRUB |
| Only keep 1 old kernel | Only keep 1 old kernel | ||
| Line 354: | Line 151: | ||
| Add 2nd hard drive to /etc/fstab [[adding_a_second_hard_drive|following these notes]] | Add 2nd hard drive to /etc/fstab [[adding_a_second_hard_drive|following these notes]] | ||
| - | Prepare to run the local yum installer script | + | Prepare to run the local dnf installer script |
| * Also installs [[https:// | * Also installs [[https:// | ||
| * Best to run the script by establishing SSH connection to box from a different machine. | * 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 | * Pipe output to log file and tail the log file | ||
| - | * [[Yum installer bash script (CentOS7)|Copy this source to a .bash and run as root]] | + | * [[yum_installer_bash_script_centos8|dnf |
| [[install_configure_cpan|CPAN packages]] to install: | [[install_configure_cpan|CPAN packages]] to install: | ||
| Line 446: | Line 243: | ||
| Setup ddclient: | Setup ddclient: | ||
| * https:// | * https:// | ||
| - | * yum -y install ddclient | + | * dnf -y install ddclient |
| * Use / | * Use / | ||
| Line 483: | Line 280: | ||
| * [[http:// | * [[http:// | ||
| * [[http:// | * [[http:// | ||
| - | |||
| - | [[http:// | ||
| - | |||
| - | [[http:// | ||
| - | |||
| - | Fix Google Chrome fonts: | ||
| - | |||
| - | [[http:// | ||
| - | < | ||
| - | # yum install google*fonts | ||
| - | </ | ||
| - | * open Chrome, go to Settings > Advanced and set fonts as follows: | ||
| - | * Standard font: Noto Serif | ||
| - | * Serif font: Noto Serif | ||
| - | * Sans-serif font: Noto Sans | ||
| - | * Fixed-width font: Roboto Mono | ||
| [[http:// | [[http:// | ||
| - | Adobe Reader - use evince instead | + | Install |
| - | + | ||
| - | Install | + | |
| - | * Install 3 RPMs noted above | + | |
| - | * Edit / | + | |
| - | * / | + | |
| - | * To start up MATE, edit / | + | |
| - | * CommandStartGnome "/ | + | |
| - | * To fix keyboard mapping, open terminal and run this command: | + | |
| - | * setxkbmap -model evdev -layout us > / | + | |
| - | * [[http:// | + | |
| - | * You can make a little bash script and have it run as a startup application | + | |
| - | * Notes gleaned from https:// | + | |
| - | + | ||
| - | NX/ | + | |
| - | * Had v3 RPMs installed; removed and installed v4 to test. Failed. Removed v4 RPMs. | + | |
| - | * Upon reinstalling the 3 v3 RPMs, could not authenticate to target server. | + | |
| - | * Removed nxclient, nxnode, nxserver v3 RPMs again. | + | |
| - | * rm -rf /usr/NX completely | + | |
| - | * Reinstalled the 3 v3 RPMs. Authentication fixed | + | |
| - | * Start/stop server with the following: | + | |
| - | * / | + | |
| - | * / | + | |
| - | * / | + | |
| - | + | ||
| - | NX for work VPN | + | |
| - | * Removed nxclient-3.5.0-7.x86_64.rpm, | + | |
| - | * Used http:// | + | |
| - | * Installed opennx-0.16-724.el6.centos.1.x86_64.rpm | + | |
| - | * Tried connecting to remote machine as shadow session and it also failed; ensured the remote machine had a normal session established first using the same user | + | |
| - | + | ||
| - | VPN connections | + | |
| - | * < | + | |
| - | * < | + | |
| - | + | ||
| - | < | + | |
| Restore Thunderbird profile | Restore Thunderbird profile | ||
| Line 547: | Line 293: | ||
| Test ASMAD for processing end-to-end | Test ASMAD for processing end-to-end | ||
| - | |||
| - | < | ||
| - | </ | ||
| - | |||
| - | < | ||
| - | yum install alsa-plugins-pulseaudio.i686 qt.i686 1: | ||
| - | rpm -Uvh http:// | ||
| - | yum localinstall http:// | ||
| - | </ | ||
| - | |||
| - | [[https:// | ||
| SSH issues | SSH issues | ||
| Line 566: | Line 301: | ||
| * Update to openssh seems to require RSA keys now and authorized_keys file instead of DSA keys and authorized_keys2 file | * Update to openssh seems to require RSA keys now and authorized_keys file instead of DSA keys and authorized_keys2 file | ||
| * Set " | * Set " | ||
| - | * < | + | * < |
| * < | * < | ||
| * < | * < | ||
| Line 615: | Line 350: | ||
| * Use ' | * Use ' | ||
| * [[https:// | * [[https:// | ||
| - | * yum install cups | + | * dnf install cups |
| * service cups start | * service cups start | ||
| * systemctl enable cups | * systemctl enable cups | ||
| Line 622: | Line 357: | ||
| * Default printer driver works OK | * Default printer driver works OK | ||
| * Or use web browser: | * Or use web browser: | ||
| - | * # yum install httpd | + | * # dnf install httpd |
| * # / | * # / | ||
| - | * # yum install system-config-firewall | + | * # dnf install system-config-firewall |
| * # firewall-config (or System > Administration > Firewall) | * # firewall-config (or System > Administration > Firewall) | ||
| * Allow http and https as rules | * Allow http and https as rules | ||
| Line 710: | Line 445: | ||
| See Linux Mint [[https:// | See Linux Mint [[https:// | ||
| - | |||
| - | ---- | ||
| - | __OLD Notes and Issues__ | ||
| - | |||
| - | If on VirtualBox, go to main menu and choose " | ||
| - | < | ||
| - | mount -o ro / | ||
| - | cd /mnt | ||
| - | ./ | ||
| - | shutdown -r now | ||
| - | </ | ||
| - | |||
| - | Missing Desktop icons: https:// | ||
| - | |||
| - | - Make sure caja is the default file manager in System --> Control Center --> Preferred Applications --> | ||
| - | - Add caja to automatically start in System--> | ||
| - | - Reboot. | ||
| - | |||
| - | **Tried / | ||
| - | |||
| - | < | ||
| - | [juckins@centos7-test-64: | ||
| - | display: color is not known to server `FOREGROUND': | ||
| - | No such file or directory @ error/ | ||
| - | </ | ||
| - | |||
| - | * This does work on FC20 i686. libpng may be a different version. | ||
| - | * Test images in $HOME/ | ||
| - | |||
| - | ImageMagick may be a different version. | ||
| - | |||
| - | UPDATE: Does work after installing Skype and its dependencies below (nux-desktop? | ||
| - | |||
| - | Comment out the GRUB_TERMINAL_OUTPUT line in / | ||
| - | |||
| - | First see if the default kernel is the latest one for boot. If not, add the following line to / | ||
| - | < | ||
| - | Also remove the "rhgb quiet" flags. | ||
| - | Get the splash.png from http:// | ||
| - | < | ||
| - | Then run: | ||
| - | < | ||
| - | |||
| - | Notes on grub splash screen: | ||
| - | |||
| - | * https:// | ||
| - | * https:// | ||
centos_8_migration_notes.txt · Last modified: 2022/06/08 16:03 by juckins