If you need to monitor a VNC service without logging in, the following check_command can be used. Edit your nagios configuration file and add: # VNCdefine command{ command_name check_vnc command_line $USER1$/check_tcp -H $HOSTADDRESS$ -p $ARG1$ -w 5 -c 8 -e “RFB”} Then on the service you want to monitor use: define service{ use generic-service ; […]
In WP Booking Calendar, the calendar when displayed in a widget has a fixed size of 284px using inline css which makes it impossible to override in an external or internal css style. However it is possible to override this by additional options in the shortcode. This is from the comments in the source code: […]
When updating the plugins in a WordPress site prior to updating it from WordPress 6.0 to 6.1.1 the site halted with error 500. Investigating the logs I found “Uncaught Error: Call to undefined function trailingslashit() in wp-includes/class-wp-textdomain-registry.php:103“ Solution
I got a HP EliteDesk 800 G1 USDT Ultra Slim Desktop computer for my ham schack. This is a small computer running on an external power supply just lika a laptop. It turned out to be the major source of RFI in my ham schack.
I suspected the power supply was the culrpit as those are switched ones and thought it might be possible to run the computer directly on my 13.8 VDC power supply that I use for my radios. The only voltages used in a computer is 12 and 5 volts, so there is probably a voltage regulator on the power input that regulates the voltage down from the 19 volts DC that the power supply outputs. Will it also run on 13.8 VDC?
When creating a new site, a valid certificate was issued but when expiring they where never renewed. Investigating /etc/letsencrypt directories was missing the usual subfolders, like live for example. It turned out the server had both acme.sh and certbot installed. The solution was to remove certbot. Investigate if the directory /root/.acme.sh exists and it’s contents. […]
Last wednesday, the 11th of October 2022, Microsoft released the KB5018410 update. After installing the update, Outlook that is connected to IMAP mailboxes started reporting error 0x800CCC0E. The workaround is to uninstall the KB5018410 update: Go to the Control panel and search for update history. If KB5018410 is present as an installed update, click on […]
I had a client site using banners, configured to register clicks on each banner. The client discovered that sometimes clicks was not registered on the correct banner. Initially it looked like banners with the same target link (URL) was registered on the banner with the lowest ID. This turned out to be misleading. The cause […]
I had problems with the CPS software version 1.16 when trying to update the firmware. The window when selecting Tools -> Firmware just didn’t open. It turns out the software seems really buggy. Solution: When CPS is running, open a File Explorer and go to “C:\Program Files (x86)\Anytone\D578UV_1.16\” and double click on UpdateQX_Firmware_Update.exe. The window […]
After doing some updates of my Anytone D878UV and D578UV DMR radios I had an annoying problem where the talkgroup field was empty in the last call list as well as in the last call “ticker” scrolling by on top of the screen, just showing an empty “TG:”. It turned out the problem was caused […]
Sometimes it can be handy to create virtual com port pairs or virtual null modem using software. There are several solutions available, free and paid. The commercial softwares do work but with prices like 130 USD it is a bit out of range for a hobby project. However, I found a project called com0com which […]