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Questions tagged [18.04]

Seventh LTS (Long Term Support) release of Ubuntu, code-named "Bionic Beaver". Released on 26th April, 2018. Will go End Of Life (EOL) April 2023. Only use this tag for version-specific questions.

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Udevadm settle not working

I just upgraded to 18.04 on my NAS. I have a script that prompts my user for a luks password and then mounts the drive after it's decrypted. This used to work: cryptsetup luksOpen /dev/md0 md0_crypt ...
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Need printer driver for my Epson ET 2750 for ubuntu 18.04. Can't print

I have Ubuntu 18.04 on my laptop. I can't find the printer drivers for my Epson ET 2750. How do I resolve this?
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Krusader 18.04 LTS needs its old look back

Basically, that is. I loved the 16.04 look of Krusader, so I would like to ask the super-flexible Ubuntu to change it back (downgrade?), but google was not really helpful in this regard.
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System is getting shutdown when battary is low (Ubuntu 18.04)

My system is getting shut down when the battery is low, I found this on below link also: https://help.ubuntu.com/stable/ubuntu-help/power-lowpower.html.en I need to set it to suspend or hibernate ...
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Ubuntu 18.04 connecting to wireless printer

I need instructions to install a printer driver for a Canon MG6300 printer (a network printer) on an Ubuntu 18.04 operating system.
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How to make keyboard work like OSX System Wide Ubuntu 18?

How can I, using Ubuntu 18, remap my keyboard <ctrl>-c to <super>-c and <ctrl>-p to <super>-p? I've followed Gnome questions on AskUbuntu but the answers do not work for ...
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Disable haptic feedback on Apple trackpad

I've just installed Ubuntu on my 2015 MacBook Pro. The haptic feedback (the noise made by vibration when clicking) was optional in macOS, but I don't see a way to disable it in Linux. How can I do ...
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How to enable integrated GPU (with QSV) on Coffee Lake CPU in Ubuntu 18.x

I am so far unable to get Plex/ffmpeg to recognize the integrated GPU in my Core i7-8700 CPU. From my research it appears this is a common issue related to Coffee Lake CPUs, not just this specific ...
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Ubuntu 18.04 with ZFS on root, update to ZFS on linux 0.8 rc1

04 test system, with ZFS on root (system disk) with LUKES encryption. I'd like to update ZFS to version 0.8 RC1 that was just recently released, to test out the ZFS native encryption. What do I ...
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Tamil Phonetic keyboard not seen in Ubuntu 18.04 LTS

With IBus installation I am not able to see the option of Tamil Phonetic keyboard in the options on Ubuntu 18.04 LTS.
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Samsung 3060FR scanner works with 16.04 but not with 18.04

My scanner is not detected after upgrading til 18.04... Samsung proXpress 3060FR Help!
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How do I set up usbip on 18.04 and avoid “usbip: error: recv op_common”?

After issuing sudo usbip attach -r 10.17.28.5 -b 1.1-3 I receive the message usbip: error: recv op_common usbip: error: query What is the next step?
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Script in /etc/network/if-up.d doesn't run (Ubuntu 18.04)

I have a script in /etc/network/if-up.d that's setting iptables rules. It works fine if I invoke it, it's worked on previous LTS, but here it doesn't do anything. Like it's never called. I even ...
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Upgrade to 18.04 got interrupted. Cannot load Ubuntu, nor recovery

I tried the apt-get update and apt-get upgrade commands, but it won't run. apt-get -f install doesn't work either. When I go to recovery, it won't load, but says Spectre VERY : Spectre mitigation:...
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12 views

Can't update from local, insecure repository

I'm trying to update a fresh 18.04 install from a local, insecure (no SSL inside corp network) repository hosted in artifactory. Usually I'd do: sudo apt-get --allow-unauthenticated update but this ...
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Launch jupyter lab from dock

Usually when I launch jupyter lab, I open a new tab in tilda, and execute jupyter lab. What I would like to do is create a shortcut in the dock, that does all this for me. I made a file, jupyterlab....
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802.1q tagging on ubuntu 18

I recently setup an ubuntu server (gui installed) so i've been using netplan with the following config: network: version: 2 renderer: NetworkManager which means networkmanager is ...
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Dropbear-initramfs on ubuntu 18.04

I’m trying to setup a dedicated server with an encrypted drive, I’ve found some help online to get that up and running but I’m running in some troubles getting dropbear-initramfs to start properly. (...
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Set http+https protocol handlers to a (dynamic) running browser instance

I have the following alias in my dotfiles which I use to start Chrome with specific arguments: alias chrome="nohup /usr/bin/google-chrome-stable --remote-debugging-port=9222 &> ~/.chrome.nohup....
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16.04 to 18.04 upgrade failure to boot

Having successfully followed the upgrgade procedure from 16.04 LTS to 18.04 LTS the computer fails to boot, it gets to the Ubuntu loading screen and then freezes. This may be a 32bit/64bit problem. ...
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Stack overflow starting service on Ubuntu 18.04

Docker service fails to boot with a stackoverflo (see log) /var/log/syslog: Sep 14 11:51:37 lrkwz-Precision-M4500 systemd[1]: Starting Docker Socket for the API. Sep 14 11:51:37 lrkwz-Precision-...
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Second blue lock screen showing after upgrade to 18.04

I use Mate as my desktop environment and I recently upgraded from 16.04 to 18.04. Since the upgrade, I now have two lock screens. If I lock my screen (Ctrl-Alt-L), I get the expected Mate screensaver,...
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Ruby Installation on Ubuntu 18.04.1 LTS usig RVM Failed

Steps followed from Digital Ocean Website. Following Command is used cat /tmp/rvm.sh | sudo bash -s stable --rails Following Error Occurred Downloading https://github.com/rvm/rvm/archive/1.29.4....
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Running “sudo apt-get update” returns connection errors

After installing Ubuntu 18.04 from the Windows store I open Bash and want to run sudo apt-get update, but this returns the following errors: Err:1 http://security.ubuntu.com/ubuntu bionic-security ...
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Ubuntu 18.04lts - several problems - high compiz CPU, HDMI port not working, etc

So these problems have been occurring for a while, but I have been far too busy to do anything until now. After I updated from Ubuntu 16.04 lts to 18.04 lts these things all started. Here are a list ...
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Ubuntu 18.04 Places menu failure

Running Ubuntu 18.04 with GNOME flashback. Top panel shows (from left) "Applications Places ...." Click on "Places" displays a drop-down menu starting "Home Desktop Documents ...." etc. Clicking ...
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How to resolve the following “keyserver receive failed” issue on my Ubuntu 18.04 LTS while installing MongoDB?

I am trying to install MongoDB on my system. I try to follow the steps given in the following website - Click Here I am getting the 'keyserver not available' error as given in the image above due to ...
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Files unavailable in Ubuntu and Windows 10 after copying them to an USB drive from Ubuntu 18.04

Well then, this is a first. So basically what happened is that my Windows installation got somewhat corrupt (inside build btw) and I wanted to perform a clean install. So I booted into Ubuntu (not ...
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Macbook 2015, 8,1 — how to get the keyboard and trackpad working with Ubuntu 18.04?

Are there any instructions how to install the keyboard and trackpad when using Ubuntu 18.04 on a Macbook? I've tried looking through Google results and I get a lot of Macbook Pro or other strange ...
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D720202 mPCIe to USB3.0

Trying to get this mPCIe USB3.0 card to be recognized... Ubuntu 18.04 When i boot there is one more PCI bridge added to lspci but nothing more .... There was an old kernel driver addition mini cd ...
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WIFI issues with Realtek Semiconductor Co., Ltd. Device b822 Ubuntu 18.04 LTS [duplicate]

I cannot get WIFI working with Realtek adapter. lshw -C network WARNING: you should run this program as super-user. *-network UNCLAIMED description: Network controller product: ...
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28 views

Qemu libusb always fails with “Operation not permitted”

I'm attempting to pass through USB devices through a qemu KVM and receiving the following error: libusb: error [_get_usbfs_fd] libusb couldn't open USB device /dev/bus/usb/001/009: Operation not ...
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Wifi issue with either 16.04 or 18.04 on Thinkpad x230

Bought refurbushed x230. Came with Windows 10 and am trying to set up as dual boot. Everything works find except wireless which constantly asks for a password. Same problem on 16.04 and 18.04. ...
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“Create New Account” button Thunderbird (Ubuntu 18.04.1 LTS) not working

I just moved to Ubuntu and am trying to set up a second email account (Gmail). After setting up successfully the first (iCloud), when I try to repeat the procedure and click on "Skip this and use my ...
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When mic is on, windowed application frames stutter in Ubuntu 18.04

1 Explaining the problem Playing some games caused frame stuttering once in a few seconds, which was really apparent when playing csgo in windowed mode, and could be avoided by playing in a ...
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wireless adaptors invisible to lubuntu 18.04

I'm running lubuntu 18.04 64-bit on a Trekstor Surfbook a13b. It is dual-booted with Windows 10, where, hardware-wise, everything works perfectly. The Problem: Lubuntu can't find any wi-fi adaptors, ...
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Polar V800 do not sync in Wine

Ubuntu 18.04.1 Wine 3.16 Polar V800 WineHQ website has Instruction for M400, but it do not work V800. What is wrong?
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1answer
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dropdowns too slow on firefox and chromium after upgrade to 18.04

I don't know why but, since I upgraded from 14.04 version to the newer 18.04, I have been experienced some weird behavior with dropdowns in both of my installed web browsers. I'm using ubuntu 18.04, ...
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Keep encrypted drive open after key is removed from system

I have an encrypted drive that is mounted at boot time. I have three keys for the unit: Slot1: passphrase Slot2: file1 Slot3: file2 For unattended boot (avoiding typing the passphrase), I have file1 ...
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upgrade of ubuntu server fails on hooks/kmod

I got a HP proliant server in a rack (second hand) 16 cores, 2x 1Tb HD and had happily installed ubuntu 16.04 server, used KVM to set up a few VM's running a kubernetes cluster. Also installed ...
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Touchpad drivers worked in 16.04 and don't work on 18.04

If I enter the xinput --list command into a terminal I get the following output. Virtual core pointer id=2 Virtual core XTEST pointer id=4 Synaptics TM3096-006 id=11 SynPS/2 ...
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1answer
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folder behaviour off since 18.04

Ever since installing Ubuntu 18.04 LTS I have trouble with the folder behavior. As an example: I open a folder and then open an .odt file in that folder using Enter. I then realise it was the wrong ...
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Text not refreshing/updating / text corruption in xterm/terminal and emacs and mutt

In terminal windows, in Emacs, and in mutt when text is updated (so usually at the bottom of a terminal window, but anywhere in mutt or emacs depending on what is changing), often (repeatably in ...
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1answer
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realtek rtl 8723be no connections

I have no Wi-Fi connection after the last update on ubuntu 18.04.1 4.15.0-33-generic. The WLAN card Rtl8723be is detected but no networks are visible. I have already tried the variants: sudo modprobe-...
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Ubuntu Server 18.04: Connect to wifi at startup

I haven't been able to connect to wifi automatically since switching providers. I have followed some instructions in the Arch wiki that allow me to use wpa_cli and enable_network 0 to connect to my ...
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How to remove all window transparency effects

I would like to remove all transparency effects from windows in Ubuntu 18.04. An example: If the browser is below the terminal window I can see the bookmarks bar and everyhing else through it. How to ...
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Some hotkeys are not working in all browsers in Ubuntu 18.04

After reinstalling Ubuntu, some hotkeys have stopped working in browsers. For example, when you press Ctrl+Shift+Tab, the action specified by Ctrl+Tab is performed (switching to the next tab instead ...
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Is it safe to upgrade from ubuntu 16.04 to 18.04 [on hold]

I'm getting notification to get dist upgrade to 18.04. I'm using HP corei3 4GB Ram and 500 GB HDD. Some of my friend recently upgraded and all of them are meritoriously getting some different major ...
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22 views

Can`t change back keyboard layout in xfce DE

I have two keyboard layouts on Xubuntu 18.04, and I have set my keyboard layout switch key to win+space. The problem is that I can switch from the first layout to the second, But then I can`t switch ...
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Reboot recovery for 18.04 [on hold]

Whats the best way to make a reboot recovery. Onto a flash drive,for an HP laptop running 18.04.