CentOS 7.x create lightsail wordpress instance

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To create a AWS ligtsail instance with wordpress use following steps:

1. Create appropriate lightsail instance
2. For production instances create static IP and attach with instance
3. Create DNS entry for FQDN mapping to static IP
4. Allow HTTPS access to server in lightsail instance networking firewall section
5. Download corresponding regions private key
6. chmod 400 <private-key>
7. ssh -i <private-key> centos@<instance-public-ip>
8. sudo su -
9. Disable SELinux
10. yum -y install vim
11. vim ~/.ssh/authorized_keys

    Add own key, Allow <private-key> direct root aaccess. (First line 155x)

12. Set hostname

    hostname <desired-fqdn>
    vim /etc/hostname

13. Exit
14. ssh directly as root with self public key
15. Search for bitnami installer URL
16. yum -y install epel-release
17. yum -y install wget
18. wget '<Download-URL>' -O '<Installer-filename>'
19. yum -y install perl-Data-Dumper
20. Create appropriate swap space using CentOS 7.x adding swap space using file
21. chmod +x <Installer-filename>
22. ./<Installer-filename>

    Give standard answers with simple password and admin username. Email can be configured later.

23. Setup fail2ban using CentOS 7.x fail2ban including firewalld using CentOS 7.x Basic firewalld configuration
24. Set correct time zone CentOS 7.x Change system timezone
25. Configure system to store history date time using Storing date / time along with commands in history
26. exit and ssh again for history settings to take effect
27. If site at /wordpresss URL is acceptable then use following to redirect automatically from / to /wordpress
    1. cd /opt/wordpress-<ver>/apache2/htdocs
    2. mv index.html index-old.html
    3. wget sbarjatiya.com for downloading index.html containing HTTP meta refresh for redirection
    4. vim index.html

       Add redirect for /wordpress, Remove google identifier, Set appropriate name

    If instead site is required at / and not at /wordpress refer CentOS 7.x Redirect bitnami wordpress from /wordpress to /

28. Generate lets-encrypt certificate if public DNS FQDN is set using:

    cd /opt/wordpress-<ver>
    ./bncert-tool --perform_dns_validation 0

    https://docs.bitnami.com/aws/how-to/generate-install-lets-encrypt-ssl/

29. 'crontab -e' and update

    0 0 1 * *  /opt/wordpress-<version>/letsencrypt/lego

    line to to have first two digit 0 and 0 randomized to minutes between 5 to 55 and hour between 1 to 4

30. Open site using https://<fqdn> and verify that it is opening properly
31. Edit opt/wordpress-<version>/apps/wordpress/htdocs/wp-config.php and update WP_SITEURL and WP_HOME to use https URL
32. /opt/wordpress-<ver>/ctlscript.sh restart apache
33. Test whether automatic redirection to https is working in private browser
34. yum -y install bzip2
35. Open /opt/wordpress-<ver>/apps/wordpress/htdocs/wp-config.php and see DB_NAME, DB_USER, DB_PASSWORD and DB_HOST values

    /opt/wordpress-<ver>/mysql/bin/mysql -u bn_wordpress -p bitnami_wordpress

    with password read in above step

36. Create /opt/take-database-backup.sh with following contents:

    /opt/wordpress-<ver>/mysql/bin/mysqldump -u bn_wordpress -p<password> bitnami_wordpress | bzip2 > /opt/bitnami_wordpress.sql.bz2

37. chmod +x above file and test it by running.
38. Configure backup for /opt folder which executes /opt/take-database-backup.sh before backup.
39. Install logwatch and set /etc/aliases for root user

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