Last call to make your voice heard! Our 2022 Developer Survey closes in less than a week. Take survey.

Questions tagged [ubuntu-18.04]

Ubuntu 18.04, named "Bionic Beaver" is a Long Term Support release of Ubuntu Linux (released on April 26th, 2018). Note that http://askubuntu.com is specifically dedicated to Ubuntu questions.

Filter by
Sorted by
Tagged with
0 votes
0 answers
37 views

Mount error (112) - Host is down, specifying SMB protocol version does not resolve issue

Hoping someone can help. I have previously been able to mount a local network drive to my server (was running Ubuntu 16.04.7, now running 18.04.6). However, recently when I try it gives the following ...
user avatar
  • 1
0 votes
0 answers
24 views

Apache2 LDAP Authentication - invalid Username leads to Error 500

I have a directory on my apache2 that only a certain group of my active directory should be able to access. This is in my apache2.conf: <Directory /var/www/html/mydirectory/> ...
user avatar
  • 1
0 votes
1 answer
21 views

Infinite loop of BN_mod_sqrt not resolved after updating openssl in Ubuntu

as I mentioned; I updated my openssl version to 1.1.1-1ubuntu2.1~18.04.15 and followed the code mentioned in github.com/drago-96/CVE-2022-0778 to verify if it is fixed. But it's going into an infinite ...
user avatar
  • 101
0 votes
0 answers
21 views

How to get user logs of certain group with journalctl?

I can filter the logs of a certain user, with journalctl | grep "user111" But I have hundreds of users in dozens of different groups. How to get user logs of certain group with journalctl?
user avatar
0 votes
0 answers
140 views

php8.0-fpm service not loading

I recently upgraded from PHP 7.4 to PHP 8.0. It seemed to work just fine until I rebooted. It looks like my PHP service isn't loading. user@server:~$ sudo systemctl status php8.0-fpm ● php8.0-fpm....
user avatar
0 votes
1 answer
117 views

dpkg: error processing package linux-image-4.15.0-175-generic (/boot/grub/menu.lst not found)

I have this issue on Ubuntu 18.04 Server, probably because /boot/grub/menu.lst doesn't exist: root@myserver:~# apt install -f Reading package lists... Done Building dependency tree Reading ...
user avatar
0 votes
0 answers
97 views

MariaDB 10.4 Ubuntu 18.04 issue

I installed with success MariaDB 10.4 in our ubuntu 18.04. Root user created with success and another local user for controlling only one database. Although I notice that with command in ssh: service ...
user avatar
  • 143
0 votes
2 answers
20 views

Ubuntu 18.04 cannot enter the graphical interface after booting

The ubuntu 18.04 desktop version will enter the following interface after restarting: If I want to enter the graphical interface after booting, what method should I take to solve the above problem。
user avatar
  • 103
0 votes
0 answers
33 views

unable to upgrade php in ubuntu 18.04

I am trying to update php from 7.2 to 7.4, but getting error. I am trying with the following command as root: add-apt-repository ppa:ondrej/php the error: Error reading https://launchpad.net/api/1.0/~...
user avatar
  • 1
1 vote
0 answers
41 views

Docker: how to change startup arguments for a container that's already been created and runs at server startup?

Got a Docker container that runs at startup and needs to have this added to the startup arguments: --add-host=host.docker.internal:host-gateway I'm not readily seeing where to change the startup ...
user avatar
0 votes
0 answers
44 views

Ubuntu Server login welcome screen disappears when disabling SSH access with password

In Ubuntu Server 18.04.6 LTS, after setting: ChallengeResponseAuthentication no UsePAM no PasswordAuthentication no in the file /etc/ssh/sshd_config, the login welcome screen disappears. Do you know ...
user avatar
0 votes
1 answer
86 views

K8s nodeLocalDns pod times out connecting to coreDns after upgrading base os to ubuntu20.04 ConnectX-4 card

Team, I have Mellanox Nic ConnectX-4 on a k8s worker node and it hosts a nodeLocal dns pod on it. The nodeLocalDns pod is timing out when trying to connect to coreDns service on k8s cluster. Same ...
user avatar
  • 111
0 votes
0 answers
33 views

I want to change the service cluster ip range with microk8s

Environment : Ubuntu 18.04 microk8s v1.23.3 3 HA master node The default setting of kube-apisever is as follow. --service-cluster-ip-range=10.152.183.0/24 I want to change from now to 10.152.184.0/...
user avatar
0 votes
0 answers
341 views

WireGuard traffic not making it through tunnel

I have a server(10.42.0.1) and a client(10.42.0.2), both with wg. I've configured both using the wg command in a way that they should be able to talk to each other. client wg: interface: wg0 public ...
user avatar
  • 1
0 votes
0 answers
10 views

BBB Not Storing Recordings in NFS

I have a big blue button server configured and a scalelite where NFS mount is created and shared with BBB. However, BBB still stores the recordings in the same server. I have tried the answer provided ...
user avatar
0 votes
0 answers
19 views

Where are default limits set for processes running as a service? (Ubuntu 18/20)

After updating MongoDB to Ubuntu 18/20, MongoDB reported "Soft rlimits too low: currentValue: 1024", but only when running as a service (not as a user). How to fix has been answered, and the ...
user avatar
  • 279
0 votes
0 answers
19 views

Why is my cronjob command interrupt after 1 minute? [duplicate]

I have a cronjob command that runs once every day on Ubuntu 18.04. Below is the crontab: 25 06 * * * /opt/my/app arg >> /opt/my/cron.log 2>&1 I checked the log and the command was run at ...
user avatar
0 votes
0 answers
327 views

How to port forward to a specific port using openvpn on ubuntu vps remote server

i am struggling with this, i tried 2 different ways, The first way was with UFW, the 2nd way was with iptables, after using grep command, the server is listening on port 1194 for UDP. My problem is ...
user avatar
0 votes
0 answers
31 views

powershell can't access to Ubuntu server

when I use SecureCRT or Putty, I can access to Ubuntu server on VM using ssh. but I get permission denied(pubkey,password,keyboard-interactive) I thought it could be due to /C:/Users/[username]/.ssh/...
user avatar
0 votes
1 answer
343 views

MySQL shutting down unexpectedly every 24 hours on Ubuntu

For the past few days, my three servers have been experiencing the same problem almost at the same time, about every 24 hours. I haven't changed anything in the code using MySQL or ubuntu ...
user avatar
  • 111
0 votes
0 answers
15 views

Strange Port Forward Behavior

I have multiple facilities with a Sierra Wireless Modem/Router with ports forwarded to an Ubuntu Edge Computer (443 web interface, 22 SSH, etc.) Recently, we're seeing strange behavior where the ...
user avatar
0 votes
1 answer
51 views

segfault in system log

I'm seeing these kind of msgs in the system log kernel: CLIDaemon[16777]: segfault at ece85260 ip 00000000ece85260 sp 00000000ffc8c64c error 14 I can't find out what is CLIDaemon, anyone out there ...
user avatar
  • 1
0 votes
1 answer
68 views

Is the Postfix From: address RFC-compliant for cron jobs?

I have an Ubuntu 18.04 server with Postfix configured to send through a local network mail relay. Only when a message is generated by cron does it include the following in the From: header: From: root@...
user avatar
  • 2,698
1 vote
1 answer
44 views

AWS/Strongswan-Ubuntu Site to Site Tunnel Cannot Ping Remote

Ubuntu (Linode) Strongswan 5.6.2 Connecting to AWS (site to site). I can ping from AWS endpoint to Ubuntu VPN. I cannot ping from AWS endpoint to Ubuntu endpoint. I cannot ping from Ubuntu VPN to AWS ...
user avatar
0 votes
0 answers
68 views

apt-offline directory and upgrading from 16 to 18

I followed this: https://www.debugpoint.com/2021/03/how-to-update-or-upgrade-ubuntu-offline-without-internet/ I'm trying to test an offline upgrade from Ubuntu 16 to 18. The "offline-data-dir&...
user avatar
0 votes
0 answers
329 views

How can I diagnose an AWS EC2 instance that is failing to start from a snapshot?

I run a simple Ubuntu 18 / Postgresql / Django server on an EC2 instance. It worked flawlessly for 21 months, then suddenly stopped on 26th December at around 6:30am GMT. From the status checks, the ...
user avatar
  • 101
0 votes
1 answer
81 views

Does Postfix add the DKIM header before or after a message is queued?

The Postfix configuration has been changed to add a DKIM header when sending a mail. But Postfix is currently in the stop status, and mailq shows that new mails have been queuing in the meantime. Will ...
user avatar
  • 5,378
0 votes
1 answer
138 views

MySQL Dump on Ubuntu 20.04 returns 0 byte file and runs indefinitely. Works on Ubuntu 18.04

I am using identical configs on Ubuntu 20.04 as I was previously on 18.04; however, on 20.04 the CPU shoots up to 50% usage and the process runs indefinitely, and by indefinitely I mean it was running ...
user avatar
0 votes
1 answer
205 views

Cannot execute sqlite statement with Ansible command module - [Errno 2] No such file or directory: b'sqlite3'"

I am trying to run a simple query on many servers. I know 100% that the file and directory in question exist. I can do simple commands, such as ls, pwd, whoami, etc, and I can run the sqlite command ...
user avatar
0 votes
0 answers
33 views

Nginx and uWSGI security vulnerabilities

I'm running Nginx and uWSGI on my Ubuntu 18.04.6 LTS server. I checked the version of Nginx and it's 1.14.0. The uWSGI version I'm not sure, how do I check it? And is there a reason to upgrade Nginx ...
user avatar
  • 821
0 votes
0 answers
24 views

apache2 terminated after SSH logged out UBUNTU

I have Ubuntu 18.04.5 LTS running Apache/2.4.29 server , I have the following users: Ubuntu bagy weeby whenever I logged in to the server as Weeby users using SSH, after logged out, the web-server and ...
user avatar
0 votes
1 answer
61 views

Multiple instances of systemd unit not writing to log files

I'm trying to create a systemd unit file that will take an argument for a php script. The small php script: <?php $val = $argv[1]; while(true) { echo "Argument = $val\n"; ...
user avatar
0 votes
1 answer
231 views

How to pass variables for a systemd unit file that calls a php script?

I am needing to create multiple instances of a systemd service. Is it possible to pass the parameters when starting the service, which would be the params for a php script? For example, let's say I ...
user avatar
0 votes
1 answer
152 views

Unable to mount a folder in Ubuntu to as AWS S3 Bucket

I am attempting to mount a folder on a fresh AWS EC2 instance running Ubuntu 18.04, to AWS S3. I've been following instructions I found at https://cloud.netapp.com/blog/amazon-s3-as-a-file-system and ...
user avatar
0 votes
1 answer
63 views

lsb_release called every few seconds

I have an odroid XU4 running the manufacturer-provided minimal Ubuntu 18.04. Every few seconds (it's not really consistent, but think between 5 and 30) I get a call to lsb_release. Sometimes it gets ...
user avatar
0 votes
0 answers
36 views

Cannot SSH into AWS E3 AMI (Ubuntu 18.04) after ubuntu-desktop installed

I am trying to build a standard desktop AMI image on AWS that I can launch on a new EC2 instance when I need it. The issue I am experiencing is that when I make an AMI from a perfectly working ...
user avatar
  • 101
0 votes
0 answers
42 views

Nginx gunicorn socket path obtained

Have recently had some suspicious requests to my Nginx server running Django. [Django] ERROR (EXTERNAL IP): Invalid HTTP_HOST header: '/home/path/to.sock Location block location / { ...
user avatar
  • 11
0 votes
1 answer
69 views

Which versions of Ubuntu share /etc/sysctl.conf compatibility? [closed]

I am looking to secure my Ubuntu 18.04 LTS server and have found a nice script but it was designed for Ubuntu 20.04 LTS which includes changes to /etc/sysctl.conf. Which versions of Ubuntu (or linux ...
user avatar
0 votes
0 answers
57 views

How to check if any connection was made from my ubuntu server to a specific IP address? (I have the destination Ip address) [duplicate]

Server setup: Ubuntu 18.04.6 LTS running Gitlab self-hosted I received an email from gcloud saying the server(VM) might have been compromised and used for cryptocurrency mining. It also mentioned the ...
user avatar
  • 101
0 votes
0 answers
71 views

Ubuntu Kerberos Parent Domain Auth Fails

We have an Ubuntu 18.4 server joined to the child domain. I'm able to ssh to the server with child domain account but not with parent domain account. Here is my krb5.conf [libdefaults] ...
user avatar
  • 3
0 votes
1 answer
365 views

Ubuntu 18.04: PHP stopped working after I tried to fix phpmyadmin

I have a problem with a Ubuntu 18.04.6 Ubuntu server. I was trying to fix a problem with phpMyAdmin (a lot of errors appearing on screen, and preventing me to use it, pointing to some authorization ...
user avatar
0 votes
0 answers
35 views

Does certbot mask apache2?

I recently ran a certbot command using --webroot on a server. Everything worked fine for 8+ hours. This morning my frontend went down. Upon investigation I discovered that the apache2 service was down....
user avatar
  • 101
0 votes
0 answers
56 views

ubuntu sudo su takes long time

I have seen many questions related to sudo taking long time. I solved it by running script as root: echo myserver > /etc/hostname echo 127.0.0.1 myserver > /etc/hosts hostname myserver After ...
user avatar
  • 101
0 votes
0 answers
128 views

Renewing LetsEncrypt Certificate stops Apache based web site from working

I received an e-mail recently from LetsEncrypt telling me my website certificate was about to expire - I configured the website to use HTTPS only. The certificates were auto-renewing without any ...
user avatar
  • 111
1 vote
2 answers
57 views

Unbound sends recursive queries from default gateway

I am looking for an option that will make unbound to send recursive queries from a specific interface. Listening interface is easy, but I can't find asking interface option. I have 3 interfaces on my ...
user avatar
0 votes
0 answers
12 views

is there file that keep my config of network mapped drive?

I have mapped network drive by IP. is there a config file that storing the info? so I can copy to new machine and have them auto map
user avatar
0 votes
1 answer
1k views

How to restart OpenVPN Access Server via CLI?

I'm using the "OpenVPN Access Server" AMI EC2 instance from AWS. According to https://forums.openvpn.net/viewtopic.php?p=12848#p12848 /etc/init.d/openvpn restart should restart OpenVPN ...
user avatar
  • 275
0 votes
0 answers
61 views

Why does a systemd script stop writing to a log after restarting the service?

I have a systemd unit file. It starts a php script. There was a network blip, which made me have to reboot after nothing else worked. I noticed that the script was no longer writing to the specified ...
user avatar
-2 votes
1 answer
44 views

error while connecting to ssh on google cloud platform

I have my instance running on Google Cloud Platform but suddenly my websites stops working and when i try to login via ssh, it keep connecting not never connects. It says: The key transfer to project ...
user avatar
0 votes
0 answers
59 views

Ubuntu 18.04 var log permissions not persistent

I am trying to execute these commands to change the permissions of directories, they succeed but then after a reboot go back to the original permissions sudo find /var/log -perm /137 -type f -exec ...
user avatar
  • 1

1
2 3 4 5
15