cPanel JailShell, Unmount and Clean Virtfs
If you’re a sysadmin of Cpanel server, you might be aware of the JailShell. Its nothing but a User Shell with limited privileges. Users requesting for shell access to the webhosting server are provided with such shell instead of bash (Which provides root level privileges to users) . Jailshell limits the users access to their [...]
fork: resource temporarily unavailable ???
If you are getting Linux error message, Resource temporarily unavailable, it’s because your system is limiting the number of files / processes / CPU that your particular user ID can use. If you use WHM/Cpanel, enabling the “Shell fork bomb protection” can make the “Resource temporarily unavailable” message appear more often. You may get rid [...]
How to edit DNS zone (A, CNAME, TXT) in cPanel (not in WHM) as End User (Domain Owner)
Recently cPanel Inc. introduced Simple and Advanced DNS Zone Editor for the domain owner (server’s end user). It was introduced for cPanel version 11.25 (Release 42213). cPanel provided two types of editor. One is simple editor another one is advanced editor. Using simple editor, domain owners can manage A and CNAME records. However, TXT records [...]
Disallow /cpanel, /webmail to be redirected to ssl/tls ports (2083, 2096)
If you are getting certificate errors while you are trying to visit http://domain/cpanel, the most probable reason is that the error is regarding the issuer. That is most people usages self-signed SSL certificates for the services. The error is not a big issue comparing to the benefits of using secured over Non-secured connections. However, for [...]
Adding Spell Checker in SquirrelMail in cPanel server
SquirrelMail provides a spell checker plugin but that may not be enabled by default. However, it is easy to install if you have root access to server. Follow the steps to enable spell checking plugin in SquirrelMail: SSH to server as root and run the following command: cd /usr/local/cpanel/base/3rdparty/squirrelmail/config Now run, [see below if the [...]
Disabling strict zone checking in new Bind
Recent versions of Bind distributed by RedHat and CentOS enable strict zone checking at startup time. This setting can potentially cause problems for Bind users with a large number of zone files or syntax errors in individual zone files. As a result, users may experience an inability to restart Bind after a shutdown. cPanel has, [...]
Delivery to the following recipient failed permanently, Verification failed
October 21, 2009 by admin
Filed under cPanel, Direct Admin, General, Helm, HyperVM, Kloxo, Plesk, Webmin
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Today, I was getting the following error while trying to send email to any account of the server. The mail bounced with the following error messages. This is an automatically generated Delivery Status Notification Delivery to the following recipient failed permanently: test@mydomain.com Technical details of permanent failure: Google tried to deliver your message, but it [...]
How to change MySQL database collation?
Usually you will be interested in changing your MySQL collation in order to solve problems with foreign character encodings. The most common case is to change your MySQL collation from latin1 to utf8. This can be done by using phpMyAdmin and following the instructions below: Enter your cPanel and click on the phpMyAdmin icon in [...]
Effective Solutions for 500 error (Premature End of Script Headers)
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There may a number of reasons and solutions for it. We listed a few here for your conveniences. File/Directory Permission error: directory is writable by others: (/home/user/public_html/) This could be easily fixed by just changing the permissions of the file/directory in question. You can change the permissions by using the File Manager within cPanel, or [...]
Installing Suhosin by Patching PHP Source
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Preparation When you want to install PHP with the Suhosin-Patch you have to first perform some preparation steps. Step 1: Installing the Hardened-PHP Project Signaturekey You should first grab a copy of the Hardened-PHP Project’s Release Signaturekey and import it into your GNU Privacy Guard keychain. (For further information on the usage of gnupg please [...]
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