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.
746
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/var/mail/root - Shows in all bash output
I'm using Ubuntu 18.04.6 LTS and recently installed apt-get install mailutils. Have noticed that while running any command it is showing You have new mail in /var/mail/root additionally.
So i have ...
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Can't install php7.4-dev on Ubuntu 18.04
Trying to install php7.4-dev extension, but I'm getting
E: Unable to locate package php7.4-dev
E: Couldn't find any package by glob 'php7.4-dev'
E: Couldn't find any package by regex 'php7.4-dev'
...
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H3C server requirement [duplicate]
I am searching for a server that can best fulfill my requirements. I need it specifically for the best DB I/O performance for a 10-million record database. I am looking for generation-specific details ...
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Detect Linux/Ubuntu -> Lamp/Apache or Nginx -> PHP - detect outcalls
I have a Ubuntu Server setup with LAMP at DO (Digitalocean, VPS - self managed via shell) running mainly Wordpess (php).
Now which ways do you recommend to detect outcalls/outreaches of scripts/...
- 101
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simple ssh loop without running extra commands
I'm searching high and low for a simple script to just loop through a series of servers. I don't want to run additional commands automatically, but that's all I'm finding. I don't need to while. I ...
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671
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No candidate version available for php7.4-fpm
We’ve been installing php7.4-fpm via the ppa:ondrej/php repo with apt on an Ubuntu 18.04 server with our Chef recipes, but today it’s not working today. I think maybe the packages have been removed ...
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How to make my website SSL secure with Ubuntu 22.04.2 LTS server and Apache
I'm trying to access my website through https://. but all my efforts are in vain.
First I will explain how I did everything to get into the context.
The server hardware is a Raspberry PI2B. With ...
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2
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Docker build and run very slow
I use docker on Ubuntu bionic.
docker build and docker run commands work super slow. It takes few minutes to run a container and few minutes to process each RUN command in dockerfile during building ...
- 21
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265
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Allow users to create and write to a log folder
I'm using Exim4 to run PHP scripts when an email is received.
This script should create a file in the /var/log/myapp folder if it doesn't exist, otherwise it should just read the file and add more ...
- 289
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74
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DNS: 'A' record not updating for subdomain
I recently moved my domain from GoDaddy to DigitalOcean and the DNS records updated successfully. Then a subdomain was created on DigitalOcean called cms.eminenceconstructionlv.com. The NS records ...
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How to really make sure that my server has DPDK compatible NIC
How to make sure that my server has DPDk compatible NIC ??
I know that I can download dpdk first and then by running ./dpdk-devbind.py from usertools folder can show me the list of NICs using dpdk ...
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Audit who calls binary
Need to get parent process and/or user of curl that, I know, starts from time to time on some server.
Audit is used by others, so I can not trivialy configure it. Is there any other tools?
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EC2 instance Status Check failed and server stopped working
I am using an AWS EC2 instance (t3.xlarge) running on Ubuntu server 18.04.6 LTS, which was working fine. But suddenly I encountered an error where the instance status check failed "Instance ...
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Linux randomly & uncontrollably changes tabs infinitely
For sometimes now my Ubuntu Linux machine with OS Ubuntu 18.04 suddenly, randomly & uncontrollably changes tabs. Imagine when you press the TAB key on your computer without releasing, the blinking ...
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All of my DNS zones do not make it on the secondary, what is wrong?
TL;DR You may want to quickly jump to the answer to know what happened and not spend time reading the whole question.
I have a tool (ipmgr) to generate my zones (I had to manage about 35 of them, so ...
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Ubuntu server 18.04 samba pdc
The problem I have is that when I want to connect a windows 10 client with a samba pdc server I get these errors:
[client][1]
error trying to join domain, specified domain does not exist or cannot be ...
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25
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Log Ssh Traffic per User [duplicate]
i use ubuntu server for ssh tunnel.
i want to save log for ssh trafic per user.
One of the server users is creating brute force attacks and I want to find that person.
my os: ubuntu 18
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285
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Zimbra Webmail not blocking with Fail2ban
I have had troubles with Fail2Ban and was wondering if anyone else has seen this and been able to overcome it.
I have two Fail2ban rules in place for Zimbra, one for SMTP and the other for Webmail. ...
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postfix mail consumes too much memory of ubuntu server
I had an issue, that the mail server always crashes. after investigations i found out, that it is a system memory issue. server had 8GB Ram and i've increased it to 16GB. it is now much better but ...
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431
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MTU resetting back to 1500 after `netplan apply`
I'm trying to change the MTU of the eth0 interface on my machine running Ubuntu 18.04 (Nvidia Jetson Xavier NX). Running sudo netplan apply successfully sets the mtu for eth0 to 1280.
Unfortunately, ...
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Trying to understand these apache log lines : 200 response followed by a 404 error for the same file
Looking at some logs from our apache server (2.4 on unbuntu 18.04) for one of our clients, and there are some lines that caught my eye and that I don't understand at all. I've been trying to explain ...
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Apache2 SSL certificate error when other website site is enabled , server not picking up the right certification or configuration
I have 2 SSL configuration files for 2 sites. Both SSL are covering www and non-www versions of the sites.
The first SSL one works for SiteA. As soon as I enabled Site B, it looks like my server uses ...
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Increase disk size from terminal after increasing size from azure
I have 30 GB base memory disk on azure and another 64 GB that I increased from 32 GB but I am having issues with allocating the newly added memory.
here is my output of df-h terminal output
any idea ...
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166
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Magento2 website with nginx(with SSL termination) and varnish cache
I have hosted Magento2 website with Nginx, SSL termination, and Varnish cache.
Varnish cache is running on port 8080 and the Magento2 website is hosted on Nginx port 8081. Http and Https traffic is ...
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434
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how to start nginx with ansible?
I installed nginx manually on my server, I started it to see if everything right then I "stopped" it.
Active: inactive (dead) since Thu 2022-12-15 02:58:37 EST; 7min ago
I am now using an ...
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354
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VPN client creation on Ubuntu with strongswan fails
I've set up a L2TP VPN server on my home router and the connection between Windows 10 clients works properly. Now I want to set up a VPN client on a Ubuntu 18.04 machine. I've used this configuration (...
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190
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How do I block outgoing SYN packets on my Ubuntu 18 server?
I have an Ubuntu 18 server which is being used as a VPN server ( V2RAY ) . My VPS provider ( OVH ) has sent me this abuse report :
2022.10.22 12:40:47 CEST 51.91.11.***:53258 8.8.8.8:443 TCP SYN 60 ...
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cannot find mysql folder in /var/lib/mysql in rescue mode
I have I have a server fault. So I have boot to rescue mode and logged in using ssh as root. I have mounted all the disk and in fact I can see files, users etc. (I was using Vestacp as Control Panel). ...
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MULTI: bad source address from client [x.x.x.x], packet dropped
I had a running OpenVPN server on a RPi (buster, Debian 10). After upgrade it stopped working completely. Before that I had some issues with some public networks, which I did not investigate.
When I ...
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Way to save apache losgs with IP Info
i use this command to live see apache logs:
sudo tail -f /var/log/apache2/access.log
I use a Ubuntu 18 VPS wich i have root access.
this logs are also saved to the access.log file true? (because when ...
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184
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Apache way to automatic login on a folder
there is a way to configure apache2 to automatic login a user in a password protected folder ?
I know that with apache someone can make a folder where a user and pass is required, so when a user enter ...
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210
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Unable to access the remote intranet after OpenVPN connection
I need to use OpenVPN to connect to the company's intranet. After my installation, the client can show that the connection is successful, but I can only access the Ubuntu virtual machine where the ...
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connection refused django gunicorn nginx
I am getting following error when running search feature on my site (search feature makes api request to my api server):
2022/08/31 21:01:56 [error] 726#726: *23 connect() failed (111: Connection ...
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Ubuntu on Azure VM suddenly unable to connect out to the internet but can still serve incoming requests - how to monitor this?
I have an Azure VM running on Ubuntu and it's a production server.
Sometime after 26th August 2022, it was unable to reach out to the internet. Even though it can still serve incoming requests.
I was ...
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AWS ec2 ubuntu server cannot get updates
I have an AWS ec2 set up for a web server. The server is running Ubuntu 18.04 and Nginx. It suddenly went out of internet access after my freedom domain registration expired. I doubt it is related to ...
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953
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How to create a container-disk image for VMs provisioned using KubeVirt
I am trying to create a VM setup in my Kubernetes cluster using KubeVirt. I have two EC2 instances(Master node: t2.xlarge and worker node: m5.metal) in AWS cloud and I have setup the cluster using ...
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public folder was lock while running node project
I am working on node 14.x version at ubuntu 18.04 os while running the project I tried to upload an object the root user locked the public folder after that I was unable to use the object that I ...
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186
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Huge lag with linux Traffic Control - TBF failed?
I've been working with Ubuntu18.04 and trying to shape the traffic with linux tc. Things went well in the passed few months. Here's my commands:
# init queue
sudo tc qdisc add dev enp2s0 root handle 1:...
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1
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124
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Can't get broadcasting from my ALSA to work with Icecast2 and Ices2
I want to make podcast on Icecast2 + ices2. My goal is to broodcast music that currently playing in my headphones.
My sound server is Pulseaudio, sound system is Alsa.
Icecast2 and ices2 have been ...
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Ubuntu 18.04 Server uses only 2GB RAM even under high load
my Ubuntu 18.04 Server has 64GB RAM but when I check via htop it never uses more than 2 GB RAM. This also happens if I install Web Apps or if I create database dumps. I would expect my server to use ...
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Perforce client AND server no longer connecting, 127.0.0.1:1666 refusing all connections on server, even local connections
I have a server running Ubuntu server 18.04, and it's the catch-all local server - hosts a samba share, media server, and a Perforce server. I connect to that depot via a local network IP (ssl:192.x....
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4
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MariaDB 10.8.3 in Docker: can't initialize timers
This error happens even after clearing the Docker image cache:
$ docker run -it --rm mariadb:10.8.3
2022-06-15 11:28:14+00:00 [Note] [Entrypoint]: Entrypoint script for MariaDB Server 1:10.8.3+maria~...
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Where is my RAM? Memory leak?
I have a bunch of servers. It's a mix of baremetal, VMs. All running Ubuntu Bionic.
This issue has been observed on both types.
FYI, I have read similar questions and I've read the answers. I believe ...
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1
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291
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Find packages that cause docker daemon to restart before apt upgrade?
I have an ubuntu-server (versions 18 & 20) and want to update all packages on my machine except for the docker daemon.
After pinning the docker daemon version and running the apt upgrade, the ...
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981
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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 ...
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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 ...
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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....
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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 ...
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600
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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 ...
- 143
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2
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231
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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。
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