We got this error on a fresh installation of CentOS when trying to convert webpages to pdf’s using wkhtmltopdf: We’re getting this error because we do not have any sort of GUI environment installed (e.g. GNOME, KDE). To fix this…
We recently saw this error on a newly migrated site, we were sure we had the mysql extension loaded correctly as a bunch of other wordpress sites were using the same PHP version without issue. We started by downgrading the…
We’ll be going over the steps involved in installing Image Magick and imagick on WHM / cPanel. Image Magick is an opensource application that let’s you create, change, modify and convert images. From resizing, rotating to creating and splitting PDF’s,…
We got this error on a server we were tasked with for recovery MySQL server’s root password: mysqld_safe Directory ‘/var/run/mysqld’ for UNIX socket file don’t exists The fix for this turns out to be pretty straight forward, the directory it…
This error indicates that there is a problem with communication between the Nginx server and the backend server it is proxying to. upstream timed out (110: Connection timed out) while reading response header from upstream, client: X.X.X.X | 504 Gateway…
We got this error when trying to install ZFS on a server recently: Error: Package: kmod-zfs-0.7.13-1.el7_6.x86_64 (zfs-kmod) Requires: kernel(posix_acl_valid) = 0x7add44b5 Installed: kernel-3.10.0-1127.19.1.el7.x86_64 (@updates) kernel(posix_acl_valid) = 0xc89bfa92 Available: kernel-3.10.0-1127.el7.x86_64 (base) kernel(posix_acl_valid) = 0xc89bfa92 Available: kernel-3.10.0-1127.8.2.el7.x86_64 (updates) kernel(posix_acl_valid) = 0xc89bfa92 Available:…
A security scan on one of our servers recently revealed that directory listing was enabled for a particular URL: abc.com We have configured our webservers to globally disable directory listing so this stumped us. We revisited our Apache httpd.conf, tweaked…
Samba is a free software re-implementation of the SMB networking protocol, and was originally developed by Andrew Tridgell. Samba provides file and print services for various Microsoft Windows clients and can integrate with a Microsoft Windows One of our shares…
We’ll be looking at how to install the Linux command killall in this article. Killall send’s a signal to, if not explicitly specified, terminate all the processes with the given name. CentOS used to ship with killall out of the…
You run a task and Nginx throws the following error: upstream timed out (110: Connection timed out) while reading response header from upstream This can be truly annoying and at times difficult to pinpoint. To fix this error, create a…