Questions tagged as ['16.04']

Questions about 16.04 are off-topic on Ask Ubuntu. Sixth LTS (Long Term Support) release of Ubuntu, code-named "Xenial Xerus". Released on April 21, 2016. Reached End of Standard Support (ESS) on April 30, 2021.
Score: 0
What does Drop root mean in Linux
cn flag

I am fairly new to working on Linux/Ubuntu and I came across the statement Application need to start with root privilege, then drop the root

I am wondering what does the above statement mean?

Also when I executed the application binary, I could see the following statements being printed on the console

Warning: group= user1 not found in /etc/group file
Warning: UID 1041 not known in the system. Tes ...
Score: 6
E.Mohammed avatar
Can't upgrade Ubuntu 16.04 to newer release
hk flag

I have a HP EliteBook 2540p. I want to upgrade my Ubuntu 16.04 to a newer release. I found that I need to upgrade to 18.04 before going to 20.04.

I tried the recommended procedure by updating the system and upgrading software and packages using this command:

sudo apt update && sudo apt upgrade
Hit:1 xenial InRelease                                            ...
Score: 0
Will new install affect my boot?
cn flag

I just started up a HP Pavilion x360 I haven't used for a couple of years. It runs Ubuntu from 2016 dual boot with Win10 and works fine. But I can not upgrade to 2018/20. Different errors. I wish to make a new install and keep the home partition. The 2020 Live USB works fine.

Current version: Ubuntu 16.04 LTS

Intended install: ubuntu-20.04.3-desktop-amd64

What could happen during the install? Could the ...

Score: 0
I woud like to use a single queue block layer with kernel 5.7.0
in flag

I would like to use a single queue block layer with kernel 5.7.0. Google says I can add "scsi_mod.use_blk_mq=0" to boot parameters for the purpose.

I have been using the method.

I don't know why but suddenly it doesn't work.

Is there any reason? Even if I add the sentence in the boot options, I still get blk-mq...

Score: 1
Eugenie avatar
Unable to upgrade Ubuntu 16.04 to 20.04
cl flag

I need to upgrade ubuntu 16.04 to 20.04. When I use graphic interface, a pop-up windows tells me that all is updated and Ubuntu tells me that 18.04 must be installed first that it is normal.

But when I click nothing happens.

When I use the command line : sudo do-release-upgrade I have the message :

Please install all available updates for your release before upgrading.

I don't understand. Anyone ...

Score: 1
Julio Herrera avatar
The screen of Ubuntu 16.04.01 freezes after login
fr flag

I have managed to install UBUNTU-MATE 16.04.01 in my PowerBook G4. But I have not able to login since the screen gets frozen after typing password and login. I appreciate any help. Thank you

Score: 0
Armaghan Fazal avatar
Systemctl command is returning this output. Failed to get properties: Launch helper exited with unknown return code 1
cn flag

I had to reboot my ec2 instance because it was hanged at some point. After reboot my custom systemd service has stopped executing. When I try to run sudo systemctl start gunicorn it outputs the following Failed to get properties: Launch helper exited with unknown return code 1 I want to re enable my services again. It was working fine before reboot.

Score: 1
lftimm avatar
USB wi-fi adapter drivers. HELP!
cn flag

I have the archer-t4u wi-fi usb adapter, recently bought it after discovering it has total Linux support. Is it there anyway to make it work on the latest Ubuntu LTS release? The official website for TP-Link drivers only provides drivers to the old 16.04 LT release

Looking and asking around on the internet i saw someone commenting about checking the dr ...

Score: 1
Getting Errors trying to attach ua token
cn flag

I am trying to enable ESM on my 16.04 VPS server, but I am getting errors trying to connect to the canonical server. The error I am getting after running the ssh command # sudo ua attach C122..... is:

Failed to connect to authentication server
Check your Internet connection and try again.
Failed to access URL: ...
Score: 0
Temjin Leow avatar
Can I upgrade my Ubuntu 16.04 LTS Server to 18.04 LTS using ISO file without losing my data?
us flag

I have done quite a lot of research on upgrading my existing 16.04 LTS Server to 18.04 LTS using the ISO file. My Server does not connect to the internet. Thus I am finding the alternative to upgrade to 18.04 LTS. But still, I can't find the latest procedure on how to upgrade using the ISO file.

I did found out the ancient method which using these steps

  • sudo mkdir -p /media/cdrom
  • sudo mount -o loop ~/Des ...
Score: 0
Hemant Bhatt avatar
Connecting to remote SQL Server database over SSH
de flag

I am trying to connect to a remote SQL Server over SSH.

How can I do this via the terminal?

Score: 0
Neelesh Tiwari avatar
How to update binutils to get the security patches on Ubuntu 16.04
cn flag

I tried to update the binutils via auto update script but it is not updating on it's own so can someone help me on this request.

Regards, Neelesh Tiwari

Score: 0
Aravindhan Krishnan avatar
Unable to run systemctl commands on the host from the container which was working till Ubuntu 16.04
ve flag

When the host OS is Ubuntu 16.04 or RHEL 7.x, the following command is working, helping us to run systemctl commands on the host from within the docker container:

# nsenter --mount=/hostroot/proc/1/ns/mnt -- systemctl start dummy.service

But in the newer host OS-es, Ubuntu 20.04 and RHEL 8.x, this doesn't work and we get the following error:

# nsenter --mount=/hostroot/proc/1/ns/mnt -- systemctl  ...
Score: 0
WTRIX avatar
Screen Blinking On & Off After OS Update
cn flag

I recently upgraded from Ubuntu 14.04 to 16.04, and immediately after system restart the screen kept blinking on and off. I 'solved' the issue by lowering the resolution (not my favorite). So ultimately the problem is with a reso of 1920x1080, which the my television supports (worked fine before).

I'm new to Ubuntu. I revived an old Samsung Rv511 with a fried LCD to use as a home server and conne ...

Score: 3
Upgrade from 16.04 to 18.04 has broken systemd
ca flag

After upgrading from 16.04 to 18.04 right at the end it gave the following message:

The upgrade has completed but there were errors during the upgrade 

To continue please press [ENTER]

pressed [ENTER]

Now when I do apt update / apt upgrade I get the following message:

The following packages have unmet dependencies:
 systemd : Depends: libsystemd0 (= 229-4ubuntu21.31) but 237-3ubuntu10.48  ...
Score: 0
Mt Badr avatar
exception = cannot open shared object file: No such file or directory
kr flag

I'm trying to migrat a robot's ROS packages from ubuntu 16.04 to ubuntu 18.04. The packages are not available in ROS Melodic yet but i need to run them on ROS Melodic. Most of the packages work and i'm even able t run a simulation of the robot in Gazebo but there is one library that fails and it gives me the following error.

Failed to load library /opt/ros/melodic/lib// Make sure th ...

Score: 0
The Apostle avatar
Upgrade from 16.04 to 20.04 keeping files
cn flag

I did search for answers before this but what I found was slightly different so; Can I upgrade from 16.04 to 20.04 while retaining existing files etc? I have everything backed up but if able to do the above it would obviously be a lot quicker and easier.

Score: 0
Ankit Tiwari avatar
Not able to open Files in Ubuntu 16.04 LTS
cn flag

This happens most of the time when i click on Files which is located at Task Bar it din't opens i Google about this i found this post which is not worked for me or maybe i typed wrong id please help me.

Score: 1
Logan Drescher avatar
Ubuntu Touch On Pixel 3a: Re-locking bootloader?
cn flag

Recently installed Ubuntu Touch onto a brand new Pixel 3a; installation seems stable and no issues present. However on boot the phone reminds me the bootloader is unlocked still. Is it possible to re-lock the bootloader? Specifically without reverting the install or bricking the phone (or will I have to keep the bootloader unlocked permanently)?

Score: 0
user284869 avatar
Banshee can't find my music after changing HD mount options
gf flag

So, after spending a few days setting up my music library just the way I wanted it... I made the dumb decision to play around with the auto-mount settings in the disks utility which has broken all the functionality of the music library I built.

Previously, the HD containing all of my music files was in /media/Cactus/Etc/Music and because of the new auto-mount instructions, the folder is now in /mn ...

Score: 1
BRO_THOM avatar
Install PHP 7.x on Ubuntu 16.04
cn flag

I know this question has been asked a lot, but I've always been led to the same answer which is not resolving my issue.

The solution that's provided is usually along these lines:

~$ sudo apt-get install software-properties-common python-software-properties;
~$ sudo add-apt-repository -y ppa:ondrej/php;
~$ sudo apt-get update;

And it's done! But not in my case unfortunately.

So after executing the  ...

Score: 0
vhdlrocks avatar
How to upgrade Ubuntu 16.04.4 to a specific version of 18.04.x (not the latest)?
be flag

Currently running 16.04.4 LTS Want to upgrade to 18.04.3 LTS

I haven't been able to find any good information on how to do this but I know others have either found the right way or installed using ISO files.