We have a client having his email rejected from some mail server with the following error: SMTP error from remote mail server after MAIL FROM:<user@userdomain.org.br> SIZE=1655: host mydomain.com [xxx.xxx.xxx.xxx]: 550 “REJECTED – Bad HELO – Host impersonatin [main.mydomain.com.br]” This error may cause for some websites those MX record pointed to different server/domain. In this situation […]
When you try to switch user and get the following error: # su – Password: su: cannot set user id: Resource temporarily unavailable We can resolve the issue by editing the following values in /etc/security/limits.conf # vi /etc/security/limits.conf Now change the values in the file as below: ————- * soft nproc 2047 * hard nproc 16384 […]
Two weeks ago we bought new server, and since then When creating a large number of categories or tables, MySQL may surprisingly stop working and we may find this type of error on /var/lib/mysql/HOSTNAME.err: 131206 10:54:37 [ERROR] Error in accept: Too many open files 131206 10:58:53 [ERROR] Error in accept: Too many open files 131206 11:03:09 […]
Unintentionally forgetting the admin password to your Magento shop can be harmful. Fortunately, security password restoration is a relatively easy process! In this post, we will move you through the procedure of recovering a Magento admin password. In this example we are using MySQL from the PHPMyAdmin. To change your Magneto admin password: Open your phpMyAdmin […]
Sometimes we receive the following error in WHM>> Service Status option for exim service. Main >> Server Status >> Service Status Error:: exim rpmdb: PANIC: fatal region error For the solution we may rebuild the rpm database (rpmdb) by using the following commands : rpm –rebuilddb rpm –initdb If this does not help at all and if rpm […]
We were regularly getting a error message that the /var/tmp directory in one of our cPanel server is full and we need to remove some data. We considered the error log and discovered that the tmp partition goes full when the planned back-up runs. Therefore, we had nothing to do but increase the tmp partition […]
There are many different kinds of errors that can occur when creating a web page. One of the more typical ones is the 403 Forbidden Error. Here we talk about this error and what you can do about it. The 403 Forbidden error means that the web page or source you were trying to access […]
Fatal error: Call to undefined function mb_substr() In this article we will explain you how to fix this error.If you get this error on your website it means that mbstring is not enabled or installed on your web hosting server. If you are using multibyte character encoding in your code, you will get this error when the […]
Apache web server allows directory browsing by default,With directory browsing enable, will put your WordPress blog into danger and make it easy for hackers to look into your directory/files structure. Many WordPress experts recommend to disable directory browsing for security aspects.To disable the directory browsing you need to edit .htaccess file. Open your .htaccess file Add […]
The .htaccess file is a highly effective configuration file that allows you to enhance your site’s security and efficiency. In this article, we will show you how we can use .htaccess to secure your WordPress admin area by restricting the access to chosen IP’s. For that purpose Simply use the following code into your .htaccess […]