My Mikrotik router is running a DHCP server in /24 network, I would like to prohibit it to lease some IP addresses (I would like to use them statically on a couple of devices). Are there any ways to do it?
I have a problem when I launch tomcat on RHEL 8: [[email protected] ~]# systemctl restart tomcat.service Job for tomcat.service failed because the control process exited with error code. See “systemctl status tomcat.service” and “journalctl -xe” for details. [[email protected] ~]# In journalctl I can see: — Unit tomcat.service has begun starting up. Dec 08 14:58:30 TEST…Details
Hello I switched from a speedport to a fritzbox and I need to configure some port forwarding. I looked for some documentation to do this and it seems like I did all things as supposed to. I configured some ports for my device, it has a Webserver running and I can see it from my…Details
As we know OpenVPN while using UDP there is no reliability layer for the data channel. I’m trying to understand which function of OpenVPN calls for resending fragmented datagram when one of them will not be delivered. I find out there is a function like: fragment_housekeeping() “Housekeeping includes scanning incoming packet reassembly buffers for packets…Details
I wanted to try Wayland on Ubuntu 19.10, which promised better support for it. But I couldn’t find how to switch it on. Then I found that Wayland is not available unless nvidia-drm.modeset=1 is set. To my luck I didn’t add it to grub config, but chose to start with custom parameters from the Grub…Details
I have a Lenovo P1 Gen2 (with a Quadro T2000/PCIe/SSE2) with a freshly installed Ubuntu 19.10. I also have a Lenovo Thunderbolt 3 Dock, with 2 monitors connected to it – one via DisplayPort and one via HDMI. My goal: I’d like to have prime-select on-demand powering off the nVidia GPU until it is needed,…Details
So even i click connect, it just gone for a few second, and then it show up again. I used 18.04 . This happened after an update. Idk what driver i used to. I just install this os.Details
Is there a way to both use the software I need, and be able to use Ubuntu upgraders instead of clean installing every LTS version?
Like it says on the tin. I’ve used Ubuntu for around five years now, and every upgrade has been a tribulation. Running do-release-upgrade results in a partial upgrade, failed upgrade, or message that “third party” repositories will be disabled. So, I wind up installing clean, a process I keep hearing should take “a couple hours”…Details
This question already has an answer here: How do I fix the GPG error “NO_PUBKEY”? 11 answers When running sudo apt update, I got the following errors: Err:16 https://dl.winehq.org/wine-builds/ubuntu bionic InRelease The following signatures couldn’t be verified because the public key is not available: NO_PUBKEY 76F1A20FF987672F Err:20 https://xpra.org bionic InRelease The following signatures couldn’t be…Details
On a Ubuntu 18.04 I was investigating discrepancies on disk space reports. Doing a du -ks * to see space on subdirectories, I narrowed down on the discrepancy, but when doing the same command again, one of the directories returned a size double the number given before. This is small (30M instead of 15M), but…Details