Stack Overflow
Stack Overflow

Questions tagged [ubuntu-server]

Ubuntu Server is a flavour of the Ubuntu operating system. It is the same core product as the Desktop version, but with certain differences that make it more suitable as a server. Most notably, it's missing a GUI. is a free desktop and server operating system based on Debian GNU/Linux. Note that https://askubuntu.com is specifically dedicated to Ubuntu questions.

Philosophy

The goal of the Ubuntu project is to provide a free computer environment, centered on a Linux distribution and complemented by online services.

Releases

Ubuntu includes a small amount of non-free software such as drivers. Ubuntu offers a large amount of packages directly taken from Debian's unstable distribution, in the form of the universe repository.

There is a release of Ubuntu every six months. One in four is a long-term support (LTS) release.

Links

Common tasks

812 questions
10
votes
1 answer

Ubuntu Focal headless setup on Raspberry pi 4 - cloud init wifi initialisation before first reboot

i'm having trouble in setting up a full headless install for Ubuntu Server Focal (ARM) on a Raspberry pi 4 using cloud init config. The whole purpose of doing this is to simplify the SD card swap in case of failure. I'm trying to use cloud-init…
DragosN
  • 101
  • 1
  • 3
10
votes
3 answers

How to add a crontab job to crontab using a bash script?

I tried the below command and crontab stopped running any jobs: echo "@reboot /bin/echo 'test' > /home/user/test.sh"| crontab - What is the correct way to script adding a job to crontab in linux?
Greg
  • 8,175
  • 16
  • 72
  • 125
10
votes
2 answers

unoconv not working on ubuntu 12.04 server

I am using unoconv to convert different file formats to pdf. It is working well on my local machine for all formats. But on my ubuntu 12.04 server unoconv is failing for some formats such as xls, ppt, pptx etc. However it is working fine for doc…
Jinesh
  • 2,507
  • 2
  • 22
  • 23
9
votes
2 answers

Microk8s, MetalLB, ingress-nginx - How to route external traffic?

Kubernetes/Ubuntu newbie here! I'm setting up a k8s cluster using a single Raspberry Pi (hoping to have more in the future). I'm using microk8s v1.18.8 and Ubuntu Server 20.04.1 LTS (GNU/Linux 5.4.0-1018-raspi aarch64). I'm trying to access one of…
Pablo
  • 91
  • 1
  • 1
  • 4
9
votes
3 answers

How to enable PCNTL on Ubuntu server 16.04

I'm wondering how to enable pcntl extension in PHP7 running on Ubuntu server 16.04. I saw this http://www.crimulus.com/2010/07/30/howto-enable-pcntl-in-ubuntu-php-installations/ but do we really have to recompile PHP7? It surprises me as other…
fralbo
  • 2,534
  • 4
  • 41
  • 73
9
votes
4 answers

Install rst2man failed for varnish agent [fix]

I'm trying install varnish agent on ubuntu server using virtual box. There is a message in the middle installation process that say "you need rst2man installed to make dist". When I tried install rst2man using "sudo apt-get install rst2man" another…
Eko Bayu
  • 183
  • 1
  • 6
  • 19
8
votes
2 answers

A virtual display for ubuntu server

My question is: is there a way to set up a virtual display as default display on a linux server (so that all GUI application launched will be displayed on that display, if no counter indication is made)? I tried using this: xvfb-run java -jar…
lieblo
  • 182
  • 1
  • 1
  • 9
8
votes
5 answers

Linux Perform MySQL Backup to time-based path from Webmin

I was trying to setup a scheduled task in Linux Ubuntu Server 12.04 (CronJob) to perform a daily backup of all my MySQL Databases on midnight. I have installed the known Webmin (A nice web interface for managing the Web Servers). So my issue is:…
Ammar
  • 169
  • 1
  • 2
  • 7
7
votes
1 answer

Error: Cannot find module './lib/socket.io'

I had my server working with an earlier version of node.js, npm, and socket.io but after updating I started getting issues with socket.io: $ node server.js node.js:237 throw e; // process.nextTick error, or 'error' event on first tick …
ghbarratt
  • 11,496
  • 4
  • 41
  • 41
7
votes
1 answer

Why can't linker find absl references?

Why can't linker find absl references? Configuration: Raspberry Pi 4 Model B (AArch64) | Ubuntu Server 20.04 | Clang++ (llvm 13.0.0) | GRPC v1.41.1 (libprotoc 3.17.3) Installed GRPC with these options: cmake -DgRPC_INSTALL=ON…
x84a01
  • 71
  • 1
  • 3
7
votes
5 answers

Cannot access tomcat instance installed in EC2

I have install tomcat 7 in an Ubuntu EC2 instance. It's up and running but I cannot access it using the public ip (54.213.225.148:8080). I have also setup the security groups as specified in the previous posts. But, still no luck. Any help on this…
Dilantha
  • 1,552
  • 2
  • 30
  • 46
6
votes
1 answer

Problems starting Cassandra with “./bin/cassandra -f”

For some reason when I try to start Cassandra with this command: bin/cassandra -f The terminal gets stuck on: Listening for thrift clients... Is it normal? Does that mean that Thrift can talk too Thrift? I am using Ubuntu Server.
jnbdz
  • 4,863
  • 9
  • 51
  • 93
6
votes
1 answer

Getting SSL error while installing intel driver

While installing a intel Driver by doing sudo make install getting the following error- SSL error:02001002:system library:fopen:No such file or directory: bss_file.c:175 SSL error:2006D080:BIO routines:BIO_new_file:no such file:…
arjit
  • 94
  • 1
  • 1
  • 5
6
votes
1 answer

EC2 Instance, mount volume DOS/MBR boot sector

I'm trying to mount the main /dev/sda1 volumen from an EC2 instance, to a new one, but I have these issues: $ sudo mount -t ext4 /dev/xvdg /mnt/xvdg/ mount: wrong fs type, bad option, bad superblock on /dev/xvdg, missing codepage or helper…
eft0
  • 279
  • 1
  • 2
  • 9
6
votes
2 answers

How do I resolve "PHP Fatal error: Unknown: Failed opening required"

I have two sites on a LAMP stack. One (Site1) uses WordPress with Wordfence, and it works perfectly fine. The second website (Site2) only runs a simple index.php file on it: However, it shows HTTP ERROR 500 with the error…
Dale Nguyen
  • 1,930
  • 3
  • 24
  • 37
1 2
3
…
54 55