Questions tagged [amazon-ec2]
Amazon Elastic Compute Cloud (EC2), which allows users to rent virtual computer systems, is part of Amazon Web Services.
380
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Why can't I login with SSH using password?
I created an user on my server (adduser -G wheel myuser) and I set
UsePAM yes
PasswordAuthentication yes
but I still get rejected when I try to login with myuser.
How can I enable the ssh login via ...
- 657
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1
answer
43
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How to install rapidjson-devel in Amazon Linux 2
It seems that recently epel-7 has been removed, and so I can no longer follow instructions from:
How to install epel-release in Red Hat linux 7.8
How would one install rapidjson-devel on Amazon ...
- 3,141
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votes
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answer
60
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Cron time zone won't work on an AWS based EC2 instance
I have an EC2 instance that runs linux. The timezone is set to UTC time and I need my cron tasks to work on UK timezone. However, I am unable to change the system clock to the UK timezone. It must ...
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1
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82
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Ansible AWX v17.0.1 running against EC2 instance -- ModuleNotFoundError: No module named 'ansible.module_utils.six.moves'
I am trying to run a simple Ansible playbook against an EC2 instance using AWX. My Ansible AWX is version 17.0.1 (running in Docker, not the Kubernetes version). I ran a 'pip3 list | grep six' and it ...
0
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2
answers
216
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Ssh Permission denied on EC2 Linux server (publickey)
Please I created 2 Ubuntu Linux EC2 instances(master and slave) when I tried to ssh from the master server to the slave I get the error Permission denied (publickey).
Server Details
ubuntu@ip-172-31-...
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0
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178
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Run Go app as service with systemd in AWS EC2 instance
I'm trying to set my Go app as a systemd service in an EC2 instance with Amazon Linux 2023 so that it restarts on crashing and system reboots.
I was following the advice from here:
I created a ...
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1
answer
73
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yum-cron equivalent in amazon linux 2
It looks like yum-cron is unavailable in amazon linux 2.X, how can I enable automatic updates?
I'm trying to install both security and non-security updates automatically.
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132
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Linux I/O issue? Multiple FFMPEG saving streams as HLS, lose segments despite low CPU and Memory consumption
I'm capturing an RTMP stream as HLS (saving playlist files) using FFMPEG wihout any stream processing, merely copying it.
Thanks to such setup I'm able to run tens of processes (I've tried 80 at most),...
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0
answers
20
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single nginx config for multi apps
I am hosting my web app on linux EC2 instance. This web app contains 2 small python application called app1 & app2.
What i want:
request /sales -> show web on app1.
request /operation -> ...
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3
answers
153
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What could be the possible reasons of remote linux host shows terminal prompt with around 15 seconds delay
When I try to ssh in to a linux host, its terminal prompt shows around 15 seconds later after entering the ssh command on my local computer. The subsequent connections take 2-3 seconds. However, ...
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310
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ec2 instance curl request to the ec2 subdomain of its own region fails
I just launched a new clean ec2 instance in the same eu-west-2 and specified the subnet. All traffic internally and externally is enabled. Curl requests to http://169.254.169.254 return results and ...
-1
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2
answers
448
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delay/cancel linux shutdown
I know that similar questions were answered multiple times here, and my question may look weird, but my case is different. I would like to catch the linux shutdown command before another processes, ...
- 211
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54
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Automatic backup of Jenkins data when EC2 is terminating
A brief background - I have my Jenkins installed in EC2 (Linux2) with EFS backend - and everything is rolled out using terraform and shell scripts. I am trying to derive a 2 part solution to backup ...
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1
answer
184
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How can I run Doccano as the root user without knowing my root password on EC2?
I use Doccano on an AWS EC2 instance running Ubuntu 22.04.
To run Doccano, I use doccano webserver --port 8000.
But now I'd like to have Doccano serve its webpages on port 80. Therefore, I have to run ...
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1
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1
answer
125
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Spec file for rpmbuild to build gdb9 on ec2
I'm using aws's ec2 instance and I need to install a newer version of GDB (I can't use yum install since there is no newer version available for amazon RHEL).
My workflow requires to do this process ...
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200
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Permanently adding ssh keys for Amazon EC2 logins and link to GitHub?
I've started using Amazon EC2 recently.
I've setup a "permanent" Spot instance, I log in using ssh keys, then I clone some GitHub repos (using another ssh key pair).
The problem is, dispite ...
- 186
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votes
2
answers
417
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ec2 Alma 9.2 stuck on old kernel version
# the issue:
dnf check-update
Last metadata expiration check: 1:35:58 ago on Sun Jun 4 10:26:18 2023.
Security: kernel-core-5.14.0-284.11.1.el9_2.aarch64 is an installed security update
Security: ...
- 5,576
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0
answers
510
views
Where is Rsyslog programname set?
I am using AWS Elasticbeanstalk to run my java web application. In EC2 node under /etc/rsyslog.d/web.conf
if $programname == 'web' then {
*.=warning;*.=err;*.=crit;*.=alert;*.=emerg /var/log/web....
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1
answer
6k
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AWS EC2 Amazon Linux 2023: Installing PHP 7.4
I cannot seem to be able to find php7.4 as a package on Amazon Linux 2023.
The latest version is PHP 8.1 but the application I'm using has compatibility issues with the latest version of PHP; hence ...
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149
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User has access to directory But not able to list files inside it
The user has access to the directory But the user is NOT able list files or go inside that directory.
output of getfacl:
getfacl: data/emp/social/AUTO123/
user::rwx
user:spidy:r-x
user:lisa:rwx
group::...
puneet Shah
0
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0
answers
114
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Failed to locate executable /~/.nvm/versions/node/v18.15.0/bin/node: No such file or directory
What is supposed to be the appropriate node executable path to use. My machine runs on windows but i am using Amazon linux as the app is hosted on an AWS EC2 intance. Whenever i start the app from ...
- 321
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54
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Centos SSH Ports stops responding
I have a couple AWS instances running CentOS. Every few days the SSH ports stop connecting on both instances. When I try to SSH into the server it just keeps trying to connect and doesn't timeout. ...
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0
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1
answer
150
views
laravel not execute after adding SSL
I'm trying to run laravel on EC2(AWS linux 2) and apache server. And I recently bought a domain from Namecheap
And I installed laravel to var/www/html folder.
My /etc/httpd/conf/httpd.conf has those ...
- 101
0
votes
1
answer
619
views
Process: 17925 ExecStart=/usr/sbin/httpd $OPTIONS -DFOREGROUND (code=exited, status=1/FAILURE)
I'm trying to Restart Apache in AWS linux 2 (EC2 server).
When I run sudo systemctl restart httpd I get this issue
Job for httpd.service failed because the control process exited with
error code. See ...
- 101
0
votes
1
answer
279
views
systemd service won't start at boot/restart
I'm really getting crazy trying to figure out why my systemd service won't start at boot, or whenever the ruby script associated fails (like what should do in my intention).
I'm running it on a EC2 ...
6
votes
1
answer
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Why doesn’t binary compiled on M1 Mac (arm64) run on EC2 t4g.micro instance (aarch64)?
Running argon2 compile on M1 Mac on AWS t4g.micro instance running Debian throws following error.
According to https://stackoverflow.com/a/47274698/4579271, arm64 and aarch64 refer to the same ...
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"connect: Network is unreachable" when trying to ping6 or traceroute6 ipv6.google.com
Good afternoon. I set up an EC2 instance a few months ago and just about now I've gotten around to set up IPv6 on it.
I've followed this guide from Amazon, however, I can't reach any server using IPv6....
1
vote
0
answers
915
views
Can no longer SSH to AWS EC2 instance
We have an AWS EC2 instance running Amazon Linux 2. This instance was running fine up until a couple days ago.
Then we used an Ansible playbook to install a new version of our software. We have used ...
- 278
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0
answers
65
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how to resolve this error in ubuntu instance in ec2?
I was trying to host my project which uses tkinter. when I enter the running command of my project, it showed I was lacking some requirements like tensorflow, opencv, keras and some version ...
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2
votes
1
answer
390
views
Amazon Linux server upgrade
My company is needing to upgrade the OS of our EC2 instances from AML 1 to AML 2 since end of life is 6/2023. We recently released a significantly large add-on to our application, so we are talking ...
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0
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903
views
How to fix clipboard problem in Amazon Linux 2 (CentOS)?
I have an AWS workstation with Linux on it and the "system" clipboard is not working so I cannot copy-paste text (ctrl+c/v etc.) between the applications running inside this workstation. I ...
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1
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137
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Accidentally deleted yum.repos.d/ directory in my Amazon Linux AMI 2018.03 machine
By mistake i deleted yum.repos.d/ folder and all .repo files inside this folder using sudo rm -rf yum.repos.d/
so now i am not able to install anything and also not able to update.
After deleted once ...
1
vote
0
answers
21
views
How can I send custom commands to a process when my EC2 instance gets "shutdown"?
I'm hosting a Minecraft server on an EC2 instance & I'm also using Google Cloud Functions to stop the instance every night via the AWS SDK. Every time the instance gets stopped via my cloud ...
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1
vote
1
answer
279
views
How to hibernate AWS EC2 instance from inside it?
I have an EC2 instance (Amazon Linux AMI 2018.03) which I can hibernate from outside it — using the console, or AWS CLI.
Is there any way to hibernate it by running a command inside it? Some Linux ...
- 377
1
vote
0
answers
215
views
Enable tmux detached non-interactive session to run stty without "input/output error"
I'm trying to launch a MineCraft server at startup of an AWS EC2 instance running Amazon Linux.
For convenience, I used tmux to start a detached session, so I could ssh in to the box and connect to ...
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1
answer
2k
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How to do RHEL AWS EC2 instance inplace upgrade
We have AWS ec2 instance with RHEL 8.2 OS using a public redhat ami image. Need to understand if its possible to do an inplace upgrade of the EC2 instance from RHEL 8.2 to RHEL 8.6. If yes, what are ...
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0
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71
views
su cannot find script in path
On AWS EC2 instance I have the following script that runs at startup under the root user
cd /home/ec2-user/lutze
su -p -c "python -m lutze" ec2-user
The script runs without a problem ...
- 111
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0
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91
views
Why does my EC2 AWS instance receive timeouts sending mails via postfix?
I am trying to set up a postfix mailserver for outgoing mails on my EC2 instance.
Basically i do not understand why the server times out pinging external hosts:
Postfix is set up correctly and with a ...
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Unable to start service nexus on Ubuntu
I'm trying to run Nexus on Ubuntu 22.04 EC2 instance of type t2.micro
I have followed this article to do so
https://www.fosstechnix.com/how-to-install-nexus-repository-on-ubuntu/
However when i run ...
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1
answer
348
views
File contained in compressed TAR archive missing after decompressing
The data.tar.xz in libemu2_0.2.0+git20120122-1.2build1_amd64.deb is weird.
If I use tar tvf or tar xvf there is a file ./usr/bin/sctest, but after I decompressed the archive with tar xvf, the file ./...
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1k
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Issue with Yum update Redhat Linux Amazon EC2
In my scenario , for some reason yum has stopped working in my Amazon EC2 instance, located in the us east -1 region. There seems to be something wrong with the path of the repo metadata, is this ...
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1
answer
978
views
Run an API service on Linux
I'm ssh'ing into an AWS EC2 instance and starting my API. I want the API to keep running and accepting requests.
So, is tmux a good way to do this? Or is there a better way? I was under the impression ...
1
vote
2
answers
370
views
Use Ansible 2.12 to access AWS EC2 via host: tag class
On my local hardware, I have a Vagrant box running Ubuntu 20, on which I'm using Ansible 2.12.2
I am able to access AWS and even create an EC2 instance within a VPN.
When I view inventory, I can see ...
1
vote
1
answer
352
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get instance id for rhel ec2 image in aws
What syntax needs to be used in the following command in the terminal of a RHEL 8 AWS EC2 instance to return only the valid instance id instead of the corrupted value it is currently returning?
$ ...
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895
views
what is icl-twobase1 service
On one of my EC2 instance (RHEL) on AWS, there is a service called icl-twobase1 running on port 25000. Does anyone know what that service is?
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310
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EC2 Redhat - Multiple IP
I have one VPC with two Subnets (SubnetA and SubnetB).
My team wants to have multiple IPs assigned to the Instance, each from one subnet.
The Instance already have one Private IP (from SubnetA, ...
0
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0
answers
105
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Why I can not navigate my Jenkins EC2 instance? This site can’t be reached
I looked at various SO answers
My EC2 security groups
I also tried to ping,got this
PING 54.197.186.213 (54.197.186.243) 56(84) bytes of data.
--- 54.197.186.213 ping statistics ---
1 packets ...
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2
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2k
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How do I forward all requests from local port to port on my remote Amazon EC2 instance which is using a custom ssh port
I am trying to forward all requests from local port 8888 to port 8888 to my remote Amazon EC2 instance. The only difference is that my EC2 instance is running ssh on custom port 56129.
I can ...
- 111
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vote
2
answers
21k
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dnsmasq: failed to create listening socket for 127.0.0.1: Address already in use
I'm trying to set up dnsmasq on AWS Ubuntu 20.4 by following this link.
However, I can't seem to get around the error dnsmasq: failed to create listening socket for port 53: Address already in use
I'...
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1
answer
118
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Linux picking wrong source IP
I have an EC2 instance running on a k8s cluster. The instance has three three interface cards.
1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN group default qlen 1000
...
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