Questions tagged [ubuntu-18.04]
The 28th major version of Ubuntu, codenamed Bionic Beaver. It was released on April 26, 2018.
466
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HTTPS protocol not supported or disabled in libcurl
Steps taken on Ubuntu 18.04 server:
Updated package lists: sudo apt update
Reinstalled curl
After reinstalling, HTTPS protocol was enabled, but php-fpm package got uninstalled and wiped out all my ...
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57
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SSHFS freezes in bash but in tcsh
I run SSHFS on a cluster which I am not root on.
Therefore, I use SSHFS 2.4 (as it does not require installing fuse which I cannot as I'm not root, also I am able to run the executable out of box ...
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2
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35
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My 64gig SD card thinks its 32gig
so I cloned my 32-gig emmc into my 64-gig SD card with the "dd" command. The only problem is that it thinks it has 32 gigs of total storage... Does anyone know how to "convince" (...
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Ubuntu version changed from official distribution to Kylin version
I have a problem with a sudden change of Ubuntu system version: I installed the official Ubuntu 18.04 distribution, then I cleaned some junk files with Ubuntu Cleaner software, then the boot screen of ...
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2
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0
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80
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Interface restart causing unpredictable network behaviour (Ubuntu 18.04)
In my server, I have 2 public interfaces with 2 public IPs and 1 has private IP too.
eno1 - 149.20.185.126 (public), 10.2.2.2 (private)
eno2 - 149.20.185.54 (public)
For some other work (DPDK bind) I ...
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38
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Server shows /dev/sda2 as read only
I can't unmount it and remount it because it says "unmount and "mount" commands don't exists.
I have tried booting from an ISO with Ubuntu Desktop and repair it but it says /dev/sda2 is ...
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3
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186
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Intermittent Ubuntu 18.04 upgrade to 20.04 when 22.04 is available
I'd like to upgrade Ubuntu 18.04 to 20.04, But now 22.04 is available, So it's always ended with the 22.xx version. I'm looking for a way to stop at 20.04 version. I don't want to go directly from 18....
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WSL on Windows 10 shows weird files that don't exist when ls is used
When I cd to Desktop on WSL on Windows 10, and do ls, it shows a large amount of files that is not there on my machine. I even tried showing the hidden files but it is not them. When I try to use sudo ...
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0
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1
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71
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Keep Ubuntu 18.04 running but locked with password
I am performing long-running Matlab code on Ubuntu 18.04. Can I prevent other users from interrupting by requiring a password, but keep the operation running, while analyses are being made on the ...
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293
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Ubuntu 18.04.6 LTS on Azure VM can't run apt upgrade: ModuleNotFoundError: No module named 'apt_pkg'
I got this error message when I try to update the software installed with APT:
$ sudo apt update && sudo apt upgrade
Hit:1 http://azure.archive.ubuntu.com/ubuntu bionic InRelease
Get:2 http://...
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121
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systemd-network only works for a short time
I recently noticed that ping only works for a short time on my server. Five to ten minutes after I reboot, pinging any server but mine results in 100% package loss.
I have localized the problem to the ...
- 111
0
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1
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499
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Restrict user to folder (access via FTP winSCP) that is NOT in the home directory
System: Ubuntu 18.04 Server VSFTPD installed.
What I got so far:
sudo adduser user
sudo mkdir -p /opt/chroot/transfer
sudo chown user /opt/chroot/transfer
# */etc/ssh/sshd_config*
Include /etc/ssh/...
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0
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1
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174
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tar: samtools-1.9.tar: cannot open: no such file or directory
I am trying to run the command to install samtools on ubuntu but I am facing a problem here whenever I try to use tar.
Input : /c/Users/Hamza Bilal$ tar -xvf samtools-1.9.tar.bz2
The Output I get ...
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163
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tmux 2.6: why does copying mouse-selected text to macOS clipboard work in iTerm but not in Warp and VS Code?
Server
I have tmux running on a remote server with the following environment:
DISTRIB_DESCRIPTION="Ubuntu 18.04.5 LTS"
tmux 2.6
This is my .tmux.conf file:
# Some tweaks to the status line
...
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281
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Update OpenGL version to 4.6 or 4.4 in Ubuntu 18.04 by using Nvidia graphic card
Problem:
I really need to upgrade my openGL version to 4.6 or 4.4
I am struggle for several days to do this but I can't. Could someone tell me how to proceed please?
My Computer Server using Ubuntu 18....
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0
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48
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How to test connectivity between two mininet hosts using MAC address?
I am using mininet to simulate one switch and 4 hosts. I have a layer-2 rule that should BLOCK all traffic between MAC addresses for h2 and h4.
How can I test that these two hosts cannot communicate ...
- 101
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0
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453
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ubuntu 18.04.6 LTS openssl Verification error: unable to verify the first certificate
I am trying to download from internal web server (self signed certificate) with wget.
Other clients can download successfully, but on one client I got ssl error.
I already used
wget --no-check-...
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0
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93
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Low volume and bass on Windows 10 after dual-booting Ubuntu
I installed Ubuntu 18.04 alongside Windows 10 (same disk but different partitions, eg. dual-boot) and now when I'm listening to music from Youtube on Windows, I have noticed that even maximum volume ...
- 101
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1
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19
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Songs of Conquest can't play cutscenes after winning a mission on Ubuntu 18.04
Songs of Conquest can't play a cutscene / video after winning a mission in campaign on Ubuntu 18.04. After you win a mission, there should be a bard singing a song. The screen just stays black. How do ...
- 121
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84
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Configuring network for SQL-Server as a docker image on Ubuntu guest under Windows 10 host
I'd like to use my Ubuntu installation that hosts the SQL-Server that runs as a docker image as a test-machine for development. It runs as guest system under VMware that runs on Window-10. It's the ...
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34
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Wifi Noise Level with AR9271 chipset
Hi I'm trying to get the noise level on my Wifi adapter (AR9271 atheros chipset) ? Using Ubuntu 18.04
/cat/proc/wireless gives me -256dBm which means the driver isn't reporting the noise
I have ...
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0
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92
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Ubuntu Server CPU Spiking
I am currently running an Ubuntu 18.04.6 LTS VPS
Recently my server CPU has spiked to around 98-99%, which is causing my website etc to go offline.
I have run a virus scan and it has come back clean
I ...
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101
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IP works on server, but not able to connect on local network
I hae been trying to have an owncloud server on my jetson nano. The installation and setup for the server is done and it works. But for some reason the server is not accessible on my LAN.
When I use ...
- 111
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0
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138
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Bandwidth from Linux to Linux (8Gbps) greater than from Linux to Windows(600Mbps)
On the one hand I am using a Nvidia Jetson Nano together with an Auvidea Carrier Board JNX30B and a 10Gbps network card (ASUS XG-C100C).
On the other hand I am using a desktop computer equipped with ...
0
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1
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564
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Any way to see key codes on linux without sudo
I have a managed computer (Ubuntu 18) and my sudo is limited. I want to do some key mapping for my keyboard, but I can't figure out what the key code is for the specific button.
The keyboard is a ...
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3k
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How to disable or enable touchpad by linux terminal on ubuntu or debian based OS?
Any idea of how to enable or disable touchpad using the linux terminal ?
I'm using ubuntu 18.04
thanks in advance
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588
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apt-offline Parsing Error E: Lzma_read Read Error (7) package lists or status file could not be parsed or opened
Context
I have a old laptop running on Kubuntu 18.04 that I didn't use for a while and want to update using apt-offline. The Laptop cannot be connected to internet.
apt-offline is already installed on ...
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0
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107
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How to restore (normalize) HDD spinoff timeout in LXLE?
After the last update on my system, the timeout setting for turning off the hard disk was broken.
This problem manifests itself as a constant shutdown and spinning of the HDD motor at intervals of ...
- 111
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1
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1k
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Ubuntu 18.04 installer under VMware Fusion cannot find CD device
I am trying to use the VMware Fusion Tech Preview on a Mac with Apple Silicon to install Ubuntu 18.04 Server for ARM64 (ISO found here).
Previously, I successfully installed Ubuntu 20.04 Server using ...
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144
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Updated to Windows 11 insider release (2021-11) and now my WSL2 Ubuntu 18.04 isn't loading. What to do?
My computer just updated to the latest windows 11 insider release and now My WSL2 ubuntu 18.04 isn't loading. How do I go about debugging why it just hangs when I start it up? I even tried going to ...
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245
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Cannot connect from external PC to Java application running in Docker container - Linux
I have a Java server application running in Docker Container. The container runs in a Linux server (Ubuntu 18.04 LTS), with a static IP address. Another Java application, running in a PC, has to ...
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56
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Cannot disinstall PostgreSql by Script Bash - Linux - Must not open dialog confirmation
My goal is to uninstall PostgreSql (installed on a Linux host- Ubuntu 18.04 LTS) using a bash script file.
I use the following command:
apt remove --purge -y postgresql-12 && apt autoremove -y
...
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1
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2k
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I have two versions of Ubuntu in WSL
I'm trying to install WSL2 for work, and I think it has gone well. However I seem to have two Ubuntu versions. I only need Ubuntu 20.04. Does it matter if the Ubuntu 18.04 is listed? I can also see ...
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272
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Update WSL from 16.04 to 18.04
I tried to follow Can I upgrade my existing Ubuntu installation in WSL from 16.04 to 18.04?
by
sudo do-release-upgrade -d
(I managed to update from ubuntu 14 to 16 by the above command)
I got
...
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1
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185
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Docker: unknown container and image - system breach?
Docker: unknown container and image - system breach?
I recently discovered a docker container that I don't remember creating. Can it be that someone hacked my computer using docker?
$> docker ...
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129
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Udev rule (Ubuntu 18)
I have a device that is required to bind to /dev/ttyACM0 specifically, so I created a udev rule to ensure that happens. Unfortunately I am seeing a condition in which the device disconnects and ...
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1
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83
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How to make Jupyter Notebook look in the right place for a module?
Using a Jupyter Notebook running with the python2 kernel, I tried to import emcee and I got an error message:
File "/home/me/.local/lib/python2.7/site-packages/emcee/ensemble.py", line 84
...
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When you interact with bash (via graphical terminal) what file does bash read from in order to obtain user input?
This was a homework question and I've tried several Google searches but to no avail. Can someone help me understand the following answer ? Would someone be kind enough to direct me to an online ...
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116
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Booting delay when auto-mounting Google Drive
I wanted to access my Google Drive via my terminal. To do this I installed Google Drive Ocamlfuse which seems to work fine.
At first I had to manually mount my Google Drive every time my computer ...
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575
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Best way to set up dual boot with fresh Windows and cloned Ubuntu?
My old system has a Windows 10 + Ubuntu 18.04 dual boot installation, but on separate drives. My plan is to install Windows fresh on the new system and clone Ubuntu onto the same drive (I use Ubuntu ...
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77
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Secure a folder in a cluster
I have a folder in a cluster that I want to secure by allowing access to me only (read, write and execute). I am new in using clusters, what are the command lines I can use?
I have used umask u=rwx,g=,...
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1
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253
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How to start windowing system(in other words UI) of Ubuntu on WSL windows
I used to start the WSL Ubuntu UI(windowing system) from windows 10 machine. On the same machine it suddenly stopped working. What could be the reason and how to fix it? I am still able to get ...
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1
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90
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Identify mechanism thats disconnecting monitor
I have a Dell Optiplex 7070 running Ubuntu 18.04.5 LTS, with 2 monitors connected via DisplayPort.
Under normal operation (RDC, Firefox, Video Streaming), both monitors remain connected and the CPU ...
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218
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SSH 'Authenticity of host' warning after numerous previous connections
I have a DigitalOcean droplet running Ubuntu 18.04 and I've connected to it via SSH from my current machine numerous times. I just tried to connect and was given this error:
The authenticity of host '...
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369
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How can I give a user remote access to their home directory via putty without adding them to the sudo group
I created a user on an Ubuntu 18.04 server with the aim of giving the user password authentication access. They are a member of the users group. I added the user's name after my name to this line in /...
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8k
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unexpected EOF while looking for matching `"' ubuntu 20.04
Can someone help me ??? i don't know where is the problem ??
./menu.sh: line 268: unexpected EOF while looking for matching `"'
./menu.sh: line 271: syntax error: unexpected end of file
...
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127
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VPC private server can't access web via gateway server
I am trying to set up a gateway server for a private server using DigitalOcean's VPC service (I’ll refer to the two servers as GW (gateway) and BE (backend) for brevity’s sake). I followed this ...
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1
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69
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Why empty drive size differs from available space
I've just formatted a 500G disk and mounted it to /data folder.
~ :) df -h
Filesystem Size Used Avail Use% Mounted on
udev 3.9G 0 3.9G 0% /dev
tmpfs 795M 748K 795M ...
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2
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728
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How can "PermitRootLogin no" add security
The topic is already discussed here, but I don't fully understand the answers
I am trying to meet some good practice security criteria while setting up a VPS. I am using Ubuntu18 on AWS EC2 which I ...
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0
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64
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How to prevent interrupted mv moving data
On Ubuntu 18.04 I am running a small PHP web application which moves directories one by one with nested dirs and files from one filesystem to another via exec(mv filepath) method.
Now I have the ...
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