The logs at /var/log are not getting rotated with the result that the files are bloating in size and filling up the server. The command sudo logrotate -f /etc/logrotate.d/rsyslog shows the error error: skipping “/var/log/syslog” because parent directory has insecure permissions (It’s world writable or writable by group which is not “root”) Set “su” directive
Author: vps-guide
DDOS attack on WordPress site with “/?s=some-random-text”
One common way in which hackers launch a DDOS on a wordpress site is to set GET requests for a search term “/?s=some-random-text”. Each request is processed by the server by checking in the database and returning a 404 result. Hundreds and thousands of these requests every second overwhelms the server and it is unable to process any requests
How to use rSync to backup to Hetzner Storage Box BX11 and receive email confirmation
I bought a Hetzner Storage Box BX11 with 1TB storage and unlimited traffic. The price is € 3.81 monthly + € 0.00 once-off setup fee. The price includes 19% VAT which is waived if the customer is not resident in Germany. This price is cheaper than the price charged by Amazon S3 and Google Cloud.
How to send Server Mails through Sendmail and Amazon SES (Ubunto 20.04)
You must have an Amazon SES account with a verified email address Check whether Sendmail package is installed on your server: dpkg -s sendmail dpkg -s sendmail-cf dpkg -s m4 To configure Sendmail to send email through the Amazon SES endpoint in US East (N. Virginia) using STARTTLS 1. Create or edit a file called
Unexpected response from the server. The file may have been uploaded successfully. Check in the Media Library or reload the page
Update: updating WordOps with the command wo update appears to have solved the problem. I did not update further with wo stack upgrade and wo maintenance as things are working OK and I don’t want to risk any incompatibilities arising out of the upgrades. …………………………………………………….. This problem started with the WordOps VPS whenever I uploaded
ERROR 1118 (42000) at line : Row size too large (> 8126). Changing some columns to TEXT or BLOB may help. In current row format, BLOB prefix of 0 bytes is stored inline.
While migrating to the new server, I had the problem ERROR 1118 (42000) at line : Row size too large (> 8126). Changing some columns to TEXT or BLOB may help. In current row format, BLOB prefix of 0 bytes is stored inline. The work-around solution, according to mariadb.com, is to open the .sql file
ERROR 1050 (42S01) at line : Table ‘user’ already exists
I set up a new VPS with WordOps using the guide. However, while inserting the mysql dump into the database, I encountered the error ERROR 1050 (42S01) at line : Table ‘user’ already exists To resolve the issue, I opened the .sql dump file with nano and inserted the following lines at the top. DROP
To run Gsutil with Cron, full path is required
When Gsutil is run manually by the shell, the full path is not required. So, the command gsutil rsync /var/www/BACKUP gs://mybucket is sufficient. However, the cron requires the full path. The path can be located with the command gsutil version -l This yields the output root@server:/var/www# gsutil version -l gsutil version: 5.21 checksum: 74f2cab932617e89e1a88b1b346339f7 (OK)
SendMail: Connection refused by [127.0.0.1]
I followed the procedure to Integrate Amazon SES with Sendmail in Ubuntu as given in the guide. The error log at /var/log/mail.log shows this error: Apr 26 18:57:42 ABC sendmail[21040]: 33QDRMnm021040: to=demo@gmail.com, ct laddr=admin@demo.com (0/0), delay=00:00:20, xdelay=00:00:00, mailer=relay, pri=30060, relay=[127.0.0.1] [127.0.0.1], dsn=4.0.0, stat=Deferred: Connection refused by [127.0.0.1] This error was caused by the wrong placement
AUTH=client, available mechanisms do not fulfill requirements, Deferred: Temporary AUTH failure
I followed the procedure to Integrate Amazon SES with Sendmail in Ubuntu as given in the guide. The error log at /var/log/mail.log shows that “AUTH=client, available mechanisms do not fulfill requirements” and “Temporary AUTH failure“. However, it also showed “Message accepted for delivery“. Apr 26 19:35:46 ABC sm-mta[24892]: 33QE5jZl024892: AUTH=client, available mechanisms do not fulfill