Solutions

Challenges and how they were solved.

Solutions

apache2.service failed after Ubuntu upgrade to 22.04

After I upgraded my Ubuntu server from 20.04 to 22.04, the built-in Apache service stopped working. When I tried to start it again with: service apache2 start The following error appeared: Job for apache2.service failed because the control process exited with error code. See "systemctl status

Solutions

cURL error 60: SSL certificate problem: self signed certificate in certificate chain in WordPress

Let's say you're developing locally using something like Valet or are running WordPress on an internal, corporate network. If you try to update WordPress, a plugin, or a theme and see this error message, it could mean that something (like Netskope) is injecting their own SSL

Solutions

Can’t install WordPress with LSCache on CyberPanel

It said it was successful, but the generic CyberPanel page still displayed when visiting the site. Upon further investigation, the issue appeared to be with this command: root@server:~# wp core download --allow-root --path=/home/example.com/public_html/ Downloading WordPress 5.5 (en_US)... md5 hash verified: 983821e81b5b8398469e5c1807c4abf4 PHP

Solutions Featured

Can’t connect to MySQL server on ‘127.0.0.1’ (61) on Mac

I downloaded the MySQL server and installed it on my Mac, but every time I tried to connect to it, I got the following error: Can’t connect to MySQL server on ‘127.0.0.1’ (61) There can be many reasons for this error, most of which are generously

Solutions

Volume grayed out in Finder on Mac

Every now and then I’ll be connected to a server on my Mac with a very specific volume mounted, but then it doesn’t appear anywhere in Finder. When I try to reconnect to it, it’s grayed out, as if I was connected after all. For a while,

Solutions

WordPress could not establish a secure connection to WordPress.org

I’m using Vagrant to work on a WordPress site and noticed the following error throughout several admin pages that attempt to connect to WordPress.org: An unexpected error occurred. Something may be wrong with WordPress.org or this server’s configuration. If you continue to have problems, please try

Solutions

Unable to set permissions within shared folder using Vagrant and VirtualBox

I recently started experimenting with Vagrant (v1.5.1), Puppet (v3.5.1) and VirtualBox (v4.3.10) to replace my MAMP environment. I used the config.vm.synced_folder method in Vagrant to share a folder of websites with the virtual machine. Since a few directories, like caching and

Solutions

Recovering your VPS from the OpenSSL Heartbleed vulnerability

There are a lot of great resources out there with regard to the Heartbleed (CVE-2014-0160) vulnerability, but let’s look at what this means specifically for anyone who operates their own VPS. We’ll determine whether this bug directly applies to you, if you are affected, how to recover from

Solutions

Git error when switching branch after replacing directory with submodule

I’m working on updating several WordPress sites. Part of each site’s update includes converting the WordPress core and all frequently used plugins to Git submodules. While many recommend staying away from submodules all together, I’ve been using them for a while now and never had any issues,

Solutions

WordPress: Peer certificate cannot be authenticated with known CA certificates

I was trying to upgrade WordPress on one of my servers, but kept receiving an SSL-related error: Peer certificate cannot be authenticated with known CA certificates. I verified the SSL certificate on the server and there are no issues with it as far as I can tell, but I’d

Solutions

SourceTree / GitHub: Must specify two-factor authentication OTP code

I recently activated two-factor authentication on GitHub, but that started causing an error in SourceTree: What that means is that you can no longer use your regular account password to login to GitHub from SourceTree, but have to create a token instead. You can do this on the application settings

Solutions

mount.vboxsf mounting failed with protocol error

I manage several virtual machines via VirtualBox, and one of the first things I do is share a folder between host and guest OS, but when I ran the command this time, I got an error: /sbin/mount.vboxsf: mounting failed with the error: Protocol error Turns out, I forgot

Solutions

Ajax in WordPress not working in IE8 and IE9

I recently ran into an issue where Ajax requests were not working in WordPress when using Internet Explorer 8 or 9, and while this may not be a common issue among WordPress users, you’ll most likely run into this problem if certain conditions are met on your site. 1.

Solutions

Cisco AnyConnect Secure Mobility: vpn.pkg is damaged and can’t be opened

I recently had to download and install the Cisco AnyConnect Secure Mobility client to connect to a VPN, however I was getting an error that seemed to indicate that the download was corrupted: After a bit of trial an error, it turns out that the installation was being blocked by

Solutions

System running out of memory: create a swap file

If you have a virtual private server (VPS) and are getting errors like “system running out of memory,” you may want to double check whether you’re using a swap volume or file. Swap space in Linux is used when the amount of physical memory (RAM) is full. If the

Solutions

SELinux: AVC denied read for postfix

I recently installed dovecot and postfix (postfix how-to documentation) on a server running an optimized and hardened version of CentOS 5.6 (LAMP): yum install postfix dovecot system-switch-mail system-switch-mail-gnome After starting both services: /etc/init.d/dovecot start /etc/init.d/postfix start I noticed several log entries in /var/

Solutions

No value for post_date_gmt and post_modified_gmt when creating drafts in WordPress

I have a custom post type containing records that get dynamically updated every 24 hours from an external source. All those posts are initially created as a draft and only published to the site once their content has been confirmed, if at all. Since I use the GMT timezone for

Solutions

WordPress cron not executing scheduled events

I recently tried to schedule an event to be executed twice daily in WordPress MU 3.5 via the wp_schedule_event function, but for some reason the event never fired. I confirmed that the event was indeed scheduled properly, but when reviewing the timestamp of the event via wp_

Solutions

Wrong toolbar icons in Microsoft Office (Word, Excel, etc) for Mac

I came across a really bizarre issue on my Mac regarding the toolbar icons in Word (and Excel). For example, the save button now contained an icon of scissors and the up arrow on the scroll bar was now the spell check icon. Needless to say, this mix-up is less

Solutions

$wpdb queries not working properly on child sites in WordPress multisite install

I’m working on a WordPress multisite plugin that uses a global table to store logs. When a user performs a certain action on my site, I’m executing a function similar to this one: function add_log($source, $user_id, $action, $status) { global $wpdb, $blog_id; $table_name = $wpdb-&

Solutions

Amazon MP3s don’t play in car CD player

I bought several albums on Amazon recently and burned them all to a CD in the MP3 format. When I inserted the disc into the car CD player, two albums wouldn’t play. I compared the MP3 files from an album that worked to one that didn’t, and couldn’

Solutions

Passing in a “from” header to wp_mail() does not work

I ran into an issue today where I was setting the “from” header in wp_mail(), but it didn’t show up when I received the email. The code looks like this: $headers = 'From: Company <[email protected]>' . "\r\n"; wp_mail($email, $subject,

Solutions

WordPress taxonomy terms don’t insert when cron job executes wp_insert_post()

I have a PHP script that connects to a third-party application, retrieves data, and then inserts it into WordPress using wp_insert_post(). The data also has a custom taxonomy associated with it, which is being passed into the wp_insert_post() function via the $args array. Lastly, the script

Solutions

WordPress get_post_type() doesn’t work when restoring a trashed post via undo

I have a custom post type that uses the following hook: add_action( 'untrash_post', array($this, 'custom_restore_function') ); And the custom function looks as follows: function custom_restore_function() { if(get_post_type() == 'custom_post_type') { $this->set_custom_post_type_

Solutions

Android email application bug: unable to delete email messages

Today I noticed something interesting on my Samsung Galaxy S2 aka. Epic 4G Touch: I’m unable to delete email messages using Android’s stock email application. I did a bit of research and it’s definitely a bug. There are at least four bug reports I could find on