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How to Fix the_date() Returning Empty Date inside Loop in WordPress

Are you using the_date function inside the loop to display post published date? Well, you might notice the_date() returning empty date for the posts that are published on the same day. For example, if you have two posts published on the ...

How to fix Call to undefined function apc_fetch() – PHP Fatal Error [Solved]

I have been migrating one of the Joomla website and was stuck with a "PHP fatal error Uncaught Error: Call to undefined function apc_fetch()". If you are stuck with a similar error, then here's how you can solve it. Before that, ...

How to Install MySQL v5.7 using apt-get on Debian 8 Jessie

This tutorial will explain how to install MySQL v5.7 on Debian 8 Jessie server. The default repositories in Debian 8 will install MySQL version up to 5.6, so if you ever want to install 5.7, then you need to setup a ...

Apache Error: Symbolic link not allowed or link target not accessible

In continuation to my tutorial on Installation of Datawrapper and possible errors with solutions, here's another error in Apache - "Symbolic link not allowed or link target not accessible". Below is the complete error message from Apache error_log. AH00037: Symbolic link not ...

Not safe to rely on system’s timezone settings -PHP Warning

Here's another error related to Datawrapper installation - "PHP warning:  It is not safe to rely on system's timezone settings". Below is the complete error message from Apache error_log file. PHP Warning:  phpinfo(): It is not safe to rely ...

M2Crypto SSL Check Error: Peer certificate subjectAltName does not match [Solved]

Question: I'm stuck with M2crypto SSL check error while installing Webmin package on RHEL 5.5. Here's the complete error message: # yum install webmin File "/usr/lib64/python2.4/site-packages/M2Crypto/SSL/Checker.py", line 88, in__call__ fieldName='subjectAltName') M2Crypto.SSL.Checker.WrongHost: Peer certificate subjectAltName does not match host, expected netix.dl.sourceforge.net, got DNS:mirrors.netix.net How to solve this ...

Fix 404 Error on Password protected folders inside WordPress!

If you are trying to password protect a folder inside WordPress directory, then you will probably end up with '404 not found' error while accessing it via web browser. This error is caused due to the WordPress Permalink feature. This ...

Unknown column password_last_changed in ‘mysql.user’ [Solved]

Question: After upgrading MySQL to version 5.7, I'm not able to create a user or set password using GRANT query. Here's the error message: Unknown column password_last_changed in 'mysql.user'. For e.g., mysql> GRANT ALL PRIVILEGES ON db_name.* TO 'db_user'@localhost IDENTIFIED BY 'mypass'; ERROR 1054 (42S22): Unknown ...

Yetishare PHP script error-failed to generate download link [Solved]

Yetishare PHP script Error : My client has been using Yetishare file hosting script on his website and came up with a complaint that the script was not allowing users to download files. Also the script displayed a vague message "Failed ...

Change MySQL engine type of all tables from MyISAM to InnoDB

Do you want to change MySQL engine type of a table from MyISAM to InnoDB? Well, it can be done using ALTER TABLE statement, but what if you have few hundreds of tables and you need to convert all of those ...

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Fix Apache Error: Client Denied by Server Configuration

I recently wrote a tutorial on Installation of DataWrapper and its possible errors with solutions. Here, I'm writing about another error with a solution for the benefit of the Datawrapper community. These errors are mostly non Datawrapper based i.e, it ...

Using Sed,ex & perl commands to find and replace a text in Linux

Question: I would like to replace a text with a link in anchor tag of a html file. The challenge is that, the project contains hundreds of such HTML files and replacing a text in all those files manually is not ...

Disable open_basedir in cPanel for error open_basedir restriction in effect

This tutorial explains how to adjust open_basedir attribute in PHP configuration and in case of shared hosting, learn to disable open_basedir via cPanel. Question: Recently I worked for a client to install Datawrapper application on his Debian Jessie shared hosting server. I ...

Nginx Error: [::1]:80 failed: Address family not supported by protocol [Solved]

Question:  I have installed Nginx on a Ubuntu Xenial machine through apt-get.  However the service failed to start with an error message as "Address family not supported by protocol". Below is the complete nginx error message: -- Unit nginx.service has begun ...

How to install PHP 7.1 on GNU/Linux Debian 8.7 (jessie) server?

This tutorial will explain how to install PHP and its dependent packages on GNU Linux. If the Linux is installed with minimal packages,  then you need to install packages such as add-apt-repository, apt-transport-https, ca-certificates etc., as these packages will be used ...

Fix WordPress Posts 404 Error after changing Permalink!

Question: I changed the default permalink structure to postname, but now all the WordPress posts throw 404 not found error. However, the WordPress has updated .htaccess with necessary rules and below is the snapshot of it. # BEGIN WordPress <IfModule mod_rewrite.c> RewriteEngine On RewriteBase ...

OpenStack Fake Driver for Cloud Simulations [Tutorial]

OpenStack is a popular cloud operating system that allows you to control large amount of compute, storage and networking resources. It supports all popular Hypervisors such as KVM, Xen, VMware, HyperV etc...and this integration is made using compute drivers ...

OpenStack Compute Error – No compute node record for host [Solved]

OpenStack compute Error: Though the compute hosts had nova-compute service listening, those nodes were not displayed when 'nova hypervisor-list' command was executed. # nova hypervisor-list +----+----------------------------+-------+---------+ | ID | Hypervisor hostname | State | Status | +----+----------------------------+-------+---------+ But the command nova service-list didn't have any problem ...

Error in Sudoers file? Here’s how you can fix it.

It's quite common for an administrator to edit sudoers file and allow users to execute administrative commands. But what if you make an error? The sudo command is going to fail isn't? That's what exactly I did while installing ...

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