The Shell Guru - Page 2 of 18 - TheShellGuru provides the best in-depth tutorials for Linux, Mac OSX and Windows. Learn to utilize your server, or fix that pesky problem yourself!The Shell Guru

Failed to stop httpd.service: Failed to activate service ‘org.freedesktop.systemd1’: timed out

August 13, 2020
General Linux
0 Comments

One of our production servers started throwing this error whenever we tried to start/stop/restart a service. Heck, even issuing reboot would return a similar error. [crayon-5fc899c631697236695033/] The only thing that…

Install Windows Subsystem for Linux 2 (WSL 2) on Windows 10

August 12, 2020
Windows 10
0 Comments

The Windows Subsystem for Linux (WSL) lets you run a Linux environment that includes most CLI tools, utilities, and applications. These are run directly from within Windows, unmodified, and without…

Enable slow query log without restarting MySQL / MariaDB server

May 8, 2020
MySQL
0 Comments

We noticed load on one of our production servers recently and had to enable slow query log for our MariaDB server. Since this was a server in production, we feared…

Fix: “driver being installed is not validated for this computer”

April 10, 2020
Windows 10
0 Comments

One of our machines threw this error when we tried to install the latest Intel display driver from their website. This happens when your computer manufacturer changes a setting in…

An exception was raised while creating “Request”; no instance returned – Magento 2

March 10, 2020
Magento
0 Comments

Ran into this issue on a client's cPanel hosting account while maintaining their Magento site: [crayon-5fc899c632b2c628458843/] The server returned this error when trying to run maintenance commands via the terminal…

How to install NTP client – CentOS 8

March 5, 2020
CentOS
0 Comments

Today we'll look at how to install an NTP, chrony, client on CentOS 8. Issue the following to install the NTP client, chrony [crayon-5fc899c632d1f295977288/] Start the service by issuing the…

VNC Server: PID file /home/user/.vnc/backup:1.pid not readable (yet?) after start

February 13, 2020
General Linux
0 Comments

Ran into this error on a server recently. We had to kill the VNC server because it stalled having its session running for an extended period. [crayon-5fc899c632f8a310207557/] [crayon-5fc899c632f8d421510855/] Because we…

Install NGINX on Ubuntu 18.04 LTS

February 10, 2020
Ubuntu
0 Comments

Today we'll look at installing NGINX on a freshly installed server running Ubuntu 18.04 LTS. A little bit about NGINX: NGINX is a lightweight opensource web browser capable of serving…

Find which version of Ubuntu you’re running

February 10, 2020
Ubuntu
0 Comments

Today we'll learn how to find which version of Ubuntu you're running. To do this, launch a terminal window and issue the following at the terminal: [crayon-5fc899c633424351053491/] The terminal window…

smbd: make_connection_snum: canonicalize_connect_path failed for service SHARE

February 3, 2020
Uncategorized
0 Comments

[crayon-5fc899c63361f052459517/] One of our shares refused to work this morning, kept throwing an error saying: [crayon-5fc899c633623909334942/] Looking at the message log file at /var/log/messages showed the following: [crayon-5fc899c633625887079803/] There are…