Questions tagged [amazon-linux]

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Could not override the umask value for AWS Session Manager ssm-user

Currently when I connect to an EC2 instance through SSM from AWS console it connects with default user : ssm-user. The umask value for this user is 022. I am trying to update the default umask value ...
Rob Wilkinson's user avatar
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0 answers
31 views

cryptsetup create quits after a first password letter

I've got a simple script that's been used for years and years on one particular server to mount an encrypted home partition. It's got this line to create /dev/mapper/cr_sdb1: cryptsetup create cr_sdb1 ...
Fer Dah's user avatar
  • 51
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1 answer
40 views

How to install pkill on amazonlinux?

Trying to install pkill on amazonlinux 2 doesn't work: yum install -y pkill ... No package pkill available. Error: Nothing to do and my favourite search engine hasn't helped, what am I missing?
sparrowt's user avatar
  • 103
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0 answers
253 views

Cannot install NetworkManager (nmcli) on Amazon Linux 2023

Freshly installed ec2 Amazon Linux 2023 instance. Was trying to inspect machine's network devices and status. However nmcli seems unable to be installed through yum install: $ sudo yum install ...
Rohim Chou's user avatar
3 votes
1 answer
221 views

CSPRNG use on Amazon Linux 2

I need to use a cryptographically strong (certification requirement), which is of high quality (pass industry standard randomness tests) reasonably performant (see below) PRNG. Originally, I assumed ...
Alex O's user avatar
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0 answers
71 views

Oracle Linux vs Amazon Linux

We are planning to migrate some of the workloads from Azure to AWS. On Azure, we hosted the apps and web applications using Oracle Linux. We are thinking of a migration strategy for this. Oracle OS: ...
TheDataGuy's user avatar
0 votes
1 answer
409 views

How to install snap on Amazon Linux 2023

I'm trying to figure out who to install snap so that I can install snap packages like LXD and wifi-ap etc. snap doesn't appear to be in the base repository and amazon linux 2023 doesn't seem to have ...
Simon Banks's user avatar
1 vote
0 answers
214 views

tc filter - error talking to the kernel

I am trying to add a tc flower filter for the geneve protocol and I am getting this error: % sudo tc filter add dev gnv0 protocol ip parent ffff: \ flower geneve_opts 0108:01:020000000000000000/...
Ollie's user avatar
  • 199
6 votes
1 answer
3k views

How to install certbot via snap on Amazon Linux 2023

I am following this guide on how to Configure SSL/TLS on Amazon Linux 2023. It recommends to obtain a CA-signed certificate using Certbot. And to get Certbot, it's recommended to install Snap. I have ...
Razkar's user avatar
  • 161
0 votes
1 answer
49 views

Error while upgrading to systemd-219-78.amzn2.0.22

I have this problem when tryping to upgrade systemd package on AWS instance Error unpacking rpm package systemd-219-78.amzn2.0.22.x86_64 error: unpacking of archive failed on file /usr/lib/tmpfiles.d/...
Anderson Madureira's user avatar
2 votes
1 answer
2k views

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 ...
TechMafioso's user avatar
9 votes
3 answers
5k views

Installing Let's Encrypt on Amazon Linux 2023

I am trying to get SSL certificate with Let's Encrypt nginx on Amazon Linux 2023. First, I added EPEL using the commands wget https://dl.fedoraproject.org/pub/epel/epel-release-latest-8.noarch.rpm ...
Sanmi Akande's user avatar
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0 answers
59 views

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 ...
Sanmi Akande's user avatar
1 vote
0 answers
484 views

Why is Artifactory returning 404?

I have installed Artifactory on Amazon Linux 2, but when I go to http://domain:8081/artifactory/ it just returns HTTP Status 404 – Not Found It is a new installation and I have not changed any ...
froxpotatoes's user avatar
0 votes
1 answer
457 views

How to prevent root user to access certain files

Is there any way that I create and modify a file/directory from a user user1, and prevent all other users including the root user from accessing/modifying the file(s)/directories?
Adil Ansari's user avatar
0 votes
1 answer
423 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 ...
vimuth's user avatar
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0 answers
48 views

Installing ulogd2 or nflog in Amazon Linux 2

I am trying to install ulogd2 or nflog to log selected traffic logged by IPtables rules. But somehow it seems those packages are not available in package repos configured in Amazon Linux 2. When I run ...
Manjula's user avatar
  • 101
2 votes
1 answer
37 views

How can I update two Amazon Linux hosts with the same updates with some time in between

I have two linux hosts (AWS EC2 - Amazon Linux which is based on "centos rhel fedora"), one for production and one for acceptance. I want to do a monthly update cycle in which I perform ...
GetShifting's user avatar
1 vote
0 answers
360 views

How do I install libomp package in amazon linux 2 or centos 7?

I have been trying to install a software we require called snapgene_viewer, it seems to fail requiring libomp, Error: Package: snapgene-viewer-6.1-2.x86_64 (/snapgene_viewer_6.1.2_linux) ...
Nobody's user avatar
  • 93
1 vote
1 answer
788 views

Can i change the uid of a user in /etc/passwd file

I have an issue running RabbitMQ docker container as it needs uid:gid (999:999) however chrony NTP service is already running with that gid(999) and is conflicting. Can I change the gid from /etc/...
user2835563's user avatar
0 votes
1 answer
134 views

Yum update crashes

I am trying to run yum update on my Amazon-Linux-2 Workspace. It crashes with the following output ❯ sudo yum update Loaded plugins: amzn_workspaces_filter_updates, halt_os_update_check, priorities, ...
Anon957's user avatar
  • 111
1 vote
0 answers
145 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 ...
ErikE's user avatar
  • 119
0 votes
1 answer
238 views

Simple TCP Proxy for Amazon Linux 2

I'm looking for a simple TCP proxy that I can install and run on Amazon Linux 2. I've been using simpleproxy on Ubuntu and it does exactly what I need, but I can't seem to find an equivalent for ...
Jordan's user avatar
  • 131
3 votes
0 answers
162 views

Latex on Amazon Linux 2

I'm trying to get up and running with latex on Amazon Linux 2. I have done sudo yum install texlive-pdftex When I run pdftex I get: fmtutil: config file `fmtutil.cnf' not found. I can't find the ...
chuck1's user avatar
  • 151
0 votes
1 answer
212 views

copy network configuration from one linux machine to another

I have a remote machine that runs Amazon Linux, with super user permissions to it. Its signed on to a certain network with maybe a certain network configuration, that allows it to directly access ...
dnak's user avatar
  • 1
2 votes
0 answers
905 views

How to run Amazon Linux 2 on Apple Silicon

Amazon Linux 2 -- historically a cloud offering -- is also offered as an on-premise solution for various setups. The two most popular on-premise solutions are: Virtual Machine (e.g. KVM, Oracle ...
tresf's user avatar
  • 273
0 votes
1 answer
3k views

Installing Zabbix-agent2 on amazon linux2

I am trying to install zabbix-agent2 as mentioned in this link agent 2 is available in pre-compiled Zabbix packages. I ran rpm -Uvh https://repo.zabbix.com/zabbix/5.4/rhel/8/x86_64/zabbix-release-5.4-...
Harshal Bulsara's user avatar
0 votes
1 answer
105 views

No partition table on volume created from Amazon Linux 2 AMI's snapshot

I have created a new AMI using Amazon Linux 2 (AL2) as source image using packer. Now I am trying create vhd of it and transfer to Azure Image. We have been doing this for Centos7 AMI successfully, ...
Parvez Kazi's user avatar
2 votes
0 answers
417 views

Inodes on /run filesystem is full

Inode on /run is getting full for all our nodes that are being managed by EKS, especially for small instances like t3a.medium below output from df -i. Filesystem Inodes IUsed IFree IUse% Mounted ...
Kalim's user avatar
  • 21
0 votes
1 answer
70 views

How to monitor calls to stat?

I'd like to monitor calls to stat on any file within a directory. I know inotifywait can listen for file creation etc. but I don't know anything that can listen for stat. This is on Amazon Linux 2. ...
Johnny's user avatar
  • 101
0 votes
1 answer
373 views

Software Install Permissions Only

We are looking at add users to groups that allow them to install software through yum on Amazon Linux 2 (RHEL), however am unsure how to grant a group access to only install software through it. Is ...
Random Guy's user avatar
0 votes
2 answers
983 views

"Warning: bad syntax, perhaps a bogus '-'?" has started to appear when connecting to server

I am suddenly seeing the following warning when I ssh to my server. I researched it and cannot seem to find the cause neither I am able to get rid of it. Please, can someone help? Thank you!
PtiSinge's user avatar
1 vote
1 answer
175 views

Create a secure configuration file for zsh scripts

I want to store some default variables for a zsh shell script that I'm working on. I know that using a source line in my script would work, but wouldn't be the most secure method. To ensure maximum ...
Karie's user avatar
  • 53
1 vote
0 answers
565 views

Error using glib2 from yum: "libgio-2.0.so.0: undefined symbol: g_free"

I am trying to build all of the dependencies for Weasyprint 52.5 for AWS Lambda. Despite being a python library, Weasyprint has a large number of OS dependencies. I'm creating a lambda layer by ...
Travis's user avatar
  • 111
1 vote
0 answers
63 views

Trouble using VSFTPD service for ftp server on AWS S3

First post on here so I apologize if its in the wrong place or format. So currently I have a working ftp server on aws linux EC2 and S3 with users that can connect via ftp/ftps/sftp . However the way ...
tuyguy98's user avatar
1 vote
1 answer
383 views

I installed the python3.8 version for my application and deleted the python2.7 in amazon linux 2 , now yum command is not working

I installed the python3.8 version for my application and deleted the python2.7 in amazon linux 2 , now yum command is not working.
learner 's user avatar
1 vote
2 answers
872 views

prevent secrets from being printed to cloud-init logs

A cloud-init script needs to set environment variable values to contain secrets. What specific syntax can be changed in the below to prevent the secret PASS and PSS from being printed in the cloud-...
CodeMed's user avatar
  • 5,099
2 votes
2 answers
524 views

bash function command not found in cronjob

In my crontab , I set following bash function and applied it for my job. it is indicated to add timestamp to the log. adddate() { while IFS= read -r line; do printf '%s %s\n' "$(date)&...
Heisenberg's user avatar
5 votes
1 answer
9k views

What is the difference between the directories conf, conf.d and conf.modules.d in httpd?

I installed the httpd package on my Amazon Linux instance and the /etc/httpd/ directory contains the subdirectories: conf/ conf.d/ conf.modules.d/ I noticed that these are directories for ...
Poliano Martini's user avatar
1 vote
2 answers
3k views

Successfully installed amazon-efs-utils but cannot find it

$ sudo yum install -y amazon-efs-utils --verbose Loading "extras_suggestions" plugin Loading "langpacks" plugin Loading "priorities" plugin Loading "update-mood"...
Biju's user avatar
  • 111
0 votes
1 answer
401 views

How to (re)install ca-bundle.crt

When I tried to install packages, I encountered the following problem [Errno 14] curl#77 - "error setting certificate verify locations: CAfile: /etc/pki/tls/certs/ca-bundle.crt CApath: none&...
Heisenberg's user avatar
1 vote
3 answers
4k views

How can we safely upgrade SSH 7.4 to 7.8 on AmazonLinux2

I have an SFTP server that runs on Amazon Linux 2 on AWS. The current SSH version is OpenSSH_7.4p1, is it possible to safely upgrade this to version 7.8. If yes how can I get it done. Since the SFTP ...
Afnas 's user avatar
  • 31
2 votes
3 answers
855 views

Is there a limit to the number of user entries in AllowUsers that can be given in sshd_config file in Linux?

I have an SFTP server where I need to restrict users with specific IP addresses or ranges. To achieve this, I had been appending AllowUsers entries to the sshd_config file like below and there are 180 ...
Afnas 's user avatar
  • 31
0 votes
1 answer
965 views

Expanded root volume but tmpfs and devtmpfs is limited

I have expanded root volume in my Amazon ec2 machine (Amazon Linux 2) but the space in tmpfs and devtempfs is still limited. Here is what output of df -h command looks like: $ df -h Filesystem ...
systemdebt's user avatar
1 vote
1 answer
947 views

Start systemd service from Ansible Playbook

What specific syntax must be used to get an Ansible playbook to successfully start a systemd service and make sure that the systemd service is running on an Amazon EC2 instance? CURRENT SYNTAX: The ...
CodeMed's user avatar
  • 5,099
0 votes
1 answer
528 views

SSH pem/private-key based login error?

I just created an ec2-instance with Amazon Linux 2 OS, then logged in to the system using login: ec2-user and an associated privatekey. Next, I created a new user x and copied the .ssh/authorized_keys ...
samshers's user avatar
  • 668
-2 votes
2 answers
263 views

SFTP jail for the root user?

So While I've been looking into ways of locking down users and locking them down into jails. I've came across an interesting question that I haven't seen answered anywhere. How can one posses the ...
ub3rDr1v3r's user avatar
0 votes
0 answers
155 views

capturing yum update transaction to replicate on another machine

Looking for a way to capture a "yum update" on machine "A" and replicate the exact same actions on machine "B" (maybe at a later date after testing on machine "A&...
Dan schneider's user avatar
1 vote
1 answer
554 views

Changing font in mlterm

I am not able to see complex fonts like Devanagari, Arabic, etc correctly in terminal-- they do render but circles appear on the screen for Devanagari, Arabic is also garbled. Everything is fine in ...
coda's user avatar
  • 261
1 vote
1 answer
206 views

Disconnected: No supported authentication methods for sudo user who authenticates using password

On an Amazon Linux 2 EC2 instance, password authentication from remote users has been enabled by running the following command during the cloud-init startup script: sed -i 's/PasswordAuthentication no/...
CodeMed's user avatar
  • 5,099