I have an Ubuntu 20.04.6 TLS server with ISPConfig Version: 3.2 and many websites installed. I set up Postfix with an SMTP relay service (Mailgun). After I reboot my server, the SMTP-Server stops working and ports 25 and 465 are not reachable. When trying to send an email from Roundcube, I get the following error: SMTP Error (-1): Connection to server failed. I run service postfix status and this is the output: ● postfix.service - Postfix Mail Transport Agent Loaded: loaded (/lib/systemd/system/postfix.service; enabled; vendor preset: enabled) Active: active (exited) since Mon 2024 ..read more

One of the services on my system is spamming the log and generating a lot of data. I don't know which service it is. With regular log files, I can use ls -lha to print the size of all the files in the /var/log directory, which will point me to the culprit. But with systemd, all the logs are in one 'journal' file. How do I generate a list of units with their corresponding log size? I'd like something like so; +----------------------+-------+ | UNIT | SIZE | +----------------------+-------+ | system.slice | 35.2M | | cron.service | 17.0M | | zabbix-agent.service ..read more

I first set out to make my sennheiser XS 1 (with just XLR to jack cable, no amp or external sound card) not sound like total ass and this guide I found here really did the job in my view: https://askubuntu.com/a/1464845/307184 it's a good step-by-step and has the added benefit of configuring things in your .config folder, the ubuntu way. (note that the step by step doesn't say this but there is a final couple steps: selecting your new "Noise Cancelling Source" from the list of inputs in your sound settings and closing and reopening any apps that use inputs and or outputs (so that they switch t ..read more

I am having problems with 24.04. I have the disk partitioned so that Ubuntu can be overwritten without disturbing the user data in /home. I think I have filled in the information correctly, but the Next button remains grayed out ..read more

I'm getting "Directive illegal error" when I try to run my code, can someoene help me please? import cv2 import face_recognition img = cv2.imread("messi1.jpeg") rgb_img = cv2.cvtColor(img, cv2.COLOR_BGR2RGB) img_encoding = face_recognition.face_encodings(rgb_img)[0] img2 = cv2.imread("messi2.webp") rgb_img2 = cv2.cvtColor(img2, cv2.COLOR_BGR2RGB) img_encoding2 = face_recognition.face_encodings(rgb_img2)[0] result = face_recognition.compare_faces([img_encoding], img_encoding2) print("Result: ", result ..read more

I found the question here: libaio1 on Noble?, but I want to know why Ubuntu 24.04 renamed this library. I can't find any related information in the release notes except for this: Ubuntu 24.04 LTS solves the Year 2038 problem 319 that existed on armhf. More than a thousand packages have been updated to handle time using a 64-bit value rather than a 32-bit one, making it possible to handle times up to 292 billion years in the future. I want to know if this library was only renamed, or if there were some significant modifications made to it ..read more

I am using Ubuntu 24.04. How can I ensure that the laptop suspends when the lid is closed? I also installed the Tweaks (gnome-tweaks) tool and in Ubuntu 22.04, it used to give a "Suspend when lid is closed" option in the General section, but in Ubuntu 24.04, there is no such option ..read more

I'm a beginner and I installed Ubuntu 24.04 recently, my boot time is high than before. I was using the previous LTE version (22.04) earlier which was pretty fast comparatively. Here is my system details: Hardware Information: Hardware Model: HP HP Pavilion x360 Convertible 14-ba1xx Memory: 16.0 GiB Processor: Intel® Core™ i5-8250U × 8 Graphics: NVIDIA GeForce 940MX Graphics 1: NVIDIA GeForce 940MX Disk Capacity: 1.1 TB Software Information: Firmware Version: F.54 OS Name: Ubuntu 24.04 LTS OS Build: (null) OS Type: 64-bit GNOME Version: 46 Windowing System: X11 Kernel Version: Lin ..read more

If a window is moved using the key combination "Power button + arrow key left/right/up/down", part of the screen appears with an orange background. How can I deactivate this function or the orange background? Ubuntu 24.04 LTS ..read more

I tried installing these several times, but the same error keeps occurring every time. During installation, I selected manual partitioning, created an ext4 partition, checked the encrypt box, entered a passphrase, selected / as mount point, and proceeded with the installation. But after reboot when it asks for the encryption passphrase, and the passphrase is entered, it immediately shows an error like this: error: Invalid passphrase. error: disk 'cryptouuid/abc123...' not found. Entering rescue mode... grub rescue> I am already using an encrypted installation of Lubuntu 22.04 as my main O ..read more