Notes
- Install WordPress Easy WP SMTP Plugin - WordPress --> Settings --> Easy WP SMTP --> SMTP Setting and append the following settings: - From Email Address : (your email address here) - SMTP Host : smtp.office365.com… Read the rest
The error should be looking as below:
You have an unresolved error when starting csf:
Error: Error processing command for line [339] (6 times): [Another app is currently holding the xtables lock. Perhaps you want to use the -w option?], at line 339 in /usr/sbin/csf
You need to restart csf successfully to remove this warning, or delete /etc/csf/csf.error… Read the rest
The slave installation will lose users
wp user list
+—-+————+————–+————+—————–+——-+
| ID | user_login | display_name | user_email | user_registered | roles |
+—-+————+————–+————+—————–+——-+
+—-+————+————–+————+—————–+——-+
And you won’t be able to create new admin user because you don’t have appropriate MySQL tables
wp user create admin [email protected]… Read the rest
Append into /etc/my.cnf the following:
slow_query_log = 1 slow-query_log_file = /var/log/mysql-slow.log long_query_time = 2
Create /var/log/mysql-slow.log log file and set it as mysql user:
touch /var/log/mysql-slow.log chown mysql:mysql /var/log/mysql-slow.log
Restart MySQL server:
/scripts/restartsrv_mysql
Monitor the logs using tail command:
tail -f /var/log/mysql-slow.log… Read the rest
Error:
mysqldump myuser_db > myuser_db.sql
mysqldump: Got error: 1449: “The user specified as a definer (‘user_db’@’localhost’) does not exist” when using LOCK TABLES
To pass this error try to use –single-transaction
mysqldump --single-transaction myuser_db > myuser_db.sql
Should be good now
Source: https://stackoverflow.com/questions/26583103/mysqldump-got-error-1449/26583311… Read the rest
Ensure you have kernel optimization tunes as the following disabled
sysctl -a |grep net.ipv4.tcp_tw_
net.ipv4.tcp_tw_recycle = 1
net.ipv4.tcp_tw_reuse = 1
To temporary disable without reboot:
sysctl -w net.ipv4.tcp_tw_recycle=0 sysctl -w net.ipv4.tcp_tw_reuse=0
You can either go ahead over WHM –> Exim Configuration Manager –> Apache SpamAssassin Options –> Apache SpamAssassin™: Forced Global ON set to ON
or simply touch a file:
touch /etc/global_spamassassin_enable
Now you have got SpamAssassin enabled for all users with default score 5
The default 5 score can be overwritten over by a user via /home/USER/.spamassassin/user_prefs… Read the rest
Login an account as an user:
su user
Enter Moodle root folder and run as the following:
php admin/cli/purge_caches.php
Source: https://docs.moodle.org/310/en/Administration_via_command_line#Purge_caches… Read the rest
You can have a lot of errors like below inside your logs which indicate a broken named.conf file
Apr 14 08:32:17 server1 pdns_server: Backend reported condition which prevented lookup (Zone for ‘sub.domain.com’ in ‘/var/named/sub.domain.com.db’ temporarily not available (file missing, or master dead)) sending out servfail
Backup your current named.conf… Read the rest