Questions tagged [rhel8]

Enterprise Linux distribution released by Red Hat in 2019 and supported through 2029

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Systeem PathChanged is triggering too fast

I have a problem with my systemd setup. I have a service that starts my MEAN-Stack environment on the server. [Unit] Description=Frontend Server After=network.target backend.service [Service] Type=...
2
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1answer
22 views

RHEL8: Does NFS I/O count as part of “%iowait” calculations?

Customer telling us that they see high %iowait in top and iostat output on a busy RHEL8 NFS client. iostat man page clearly says that iowait is related to % of time kernel is waiting on "disk&...
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1answer
18 views

Allow Wordpress upgrades with SELinux in EL8 with nginx/php-fpm

I'm trying to allow the use of Wordpress upgrades (not plugin updates) directly on the web interface. I already have SELinux working for everything except this feature. When trying to nail down what ...
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1answer
38 views

Fail2ban with Firewalld on RHEL 8 - Fail2ban seemingly blocks IPs, but they are not really blocked

I'm running fail2ban on RHEL 8 using firewalld. According to the fail2ban log (with DEBUG level) it blocks IP addresses without any error, but in fact there are no such rules in firewalld and nftables....
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1answer
42 views

Problems when install perl package

I am using Red hat (Red Hat Enterprise Linux release 8.2 (Ootpa) - 4.18.0-193.14.3.el8_2.x86_64). When I install perl package by using rpm package and command dnf install perl-libs-5.26.3-419.el8....
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1answer
27 views

How to disable Web Console and Red Hat Insights prompt on login to RHEL8 via SSH?

Whenever I log into my RHEL8 server via SSH, I get these lines printed: Web console: https://<myserver>:9090/ or https://<myip>:9090/ This system is not registered to Red Hat Insights. ...
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1answer
70 views

Expecting a password in the middle of script in RHEL [closed]

I want to copy files from another server it's expecting a password to copy... Where as sshpass is working in Ubuntu, but in RHEL is there a way to pass the password in the script.
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23 views

Issue with RHEL8/CentOS8 remote virt-viewer and firewalld

In our lab we have a RHEL8 server with developer subscription. On the machine we have a few VMs and some of them are on a private libvirt network, thus we can only access them via virt-viewer. We use ...
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0answers
64 views

Nftables systemd ExecStart and ExecReload

I have an ansible role (historically inherited) to configure nftables for RHEL8, which I have been trying to make sense of. It is copying a systemd file for nftables.service that has a following ...
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1answer
32 views

Puppet 5.5.22, dnfmodule reset

I've been trying to figure out how to convert dnf module reset php dnf module install php:remi-7.4 to a stanza in a puppet module for several hours without any success. Has anyone figured out how to ...
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1answer
18 views

is it possible to set default home-directory based on the users gidnumber?

I'm aware that I can change the general settings by running: ipa config-mod --homedirectory=/some/path what I would like to achieve is for IPA to change it to a different path based on the GID/...
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1answer
52 views

How to remove warning about “System not registered - please register to enable updates and addons” on Red Hat 8?

I'm using a RHEL 8.2 system and don't wish to register the system, but I do want to stop getting this annoying notification. Similar to this question asked several years ago, except that while the ...
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1answer
58 views

Unable to open PHP script files, even though I own them and have permissions

I'm using RHEL 8, and I have run into a crazy problem. My user account is unable to open PHP files. If I have a file, owned by my user, and readable by my user, and I add <?php as the first line, ...
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26 views

how to restrict users switching from su command

How can I restrict users switching by su command..? suppose there are 3 users (root,user1 and user2) only root and user1 can switch by using su command. root or user1 should not be able to switch to ...
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2answers
30 views

Want to allow application to mount a drive using rhel 8

I can mount my drive using sudo mount.cifs ...... I can unmount doing sudo umount /mnt/mountpoint It was prompting me for a password, so I changed the sudoers file to NOPASSWD:ALL and now it does not ...
2
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1answer
466 views

Create selinux context for systemd script?

I'm trying to create a systemd service that executes a custom script I wrote. It is just a backup script that I am using with a systemd timer. When I try to execute something simple in the systemd ...
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1answer
110 views

How best to connect a Windows 10 laptop to a RHEL 8 virtual machine?

I use a Windows 10 PC to log into and work on a Red Hat Enterprise Linux 8 system every day. I have been using xpra to talk to it. Xpra dies every few minutes for a few seconds. Very irritating. I'...
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108 views

Unable to ssh (port 22) to Ubuntu 20.04 from RHEL8

I have a server running Ubuntu 20.04 LTS. The firewall (ufw) is disabled and it is accepting incoming ssh connections on port 22. I have a server running RHEL7 set up ages ago and it works fine with ...
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39 views

Oracle Linux 8 getting DHCP but DNS not updating

My Oracle Linux 7 boxes automatically get a DHCP address and then BIND9 DNS is updated successfully. I recently installed an Oracle Linux 8 box, and while it is successfully assigned a DHCP ip address,...
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0answers
288 views

Using SSSD with multiple LDAP servers/domains

I need to authenticate users using two separate LDAP servers. Have configured SSSD with two domains but only one seems to be working. I ran the command authconfig --enablemkhomedir --enablesssd --...
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1answer
3k views

“system clock synchronized: no”, flip it to yes

# timedatectl outputs Local time: Tue 2020-10-06 13:35:31 PDT Universal time: Tue 2020-10-06 20:35:31 UTC RTC time: Tue 2020-10-06 20:35:30 ...
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38 views

RHEL8 Limits not applied when setuid is configured

I have configured my limits.conf file to allocate a huge stack size * soft stack 65535 * hard stack 65535 ulimit -s shows the correct value for both root ...
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0answers
96 views

Failed to commit changes to dconf error when homedir is remote (cifs) on RHEL 8

I am using pam_mount to remote mount home directories (CIFS), though this problem also happens if I mount a home directory manually. The home directories are mounted successfully. However, there's ...
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1answer
73 views

How to install pam_mount on RHEL 8?

I'm trying to install pam_mount on RHEL8 but keep getting this: rror: Problem: package pam_mount-2.16-10.el8.x86_64 requires hxtools, but none of the providers can be installed - conflicting ...
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1answer
684 views

Unable to use YUM. RHEL 8.2 server hosted in Azure

I have a Red Hat server hosted in Azure and when I try to use yum to install software or do a system update I get the below error, Errors during downloading metadata for repository 'rhui-rhel-8-for-...
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0answers
46 views

Accessing KRB5CCNAME from /etc/gdm/PreSession/Default on RHEL8

I would like to run a script after a user login. This script, using his kerberos tickets, will mount an SMB share. Under RedHat 7 I could simply call the script from /etc/gdm/PreSession/Default and it ...
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0answers
37 views

migrating mysql rhel6 to mariadb rhel 8

I have 3 servers running MySQL on RHEL6. I need to replace the servers with one's running MariaDB on RHEL8. I know 2 of them are in master/slave configuration. I have been studying this but I still ...
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0answers
75 views

Backup files from FreeIPA client to a domain server using cron script

I have machines running RHEL8 on an IPA domain (application servers and one storage server). The application servers run Postgres docker containers with database data stored on the host application ...
2
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1answer
225 views

Squid Proxy unable to start with custom config file in RHEL8, but works in Amazon Linux

Basically I am just following this guide from AWS, but this guide uses Amazon Linux, but I need to use RHEL 8. I tested in Amazon linux, and it works fine. In RHEL8 also, Squid is able to start with ...
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1answer
49 views

Partitioning/RAID approach for a fresh RHEL installation

I just inherited a brand new HPE DL360 Server with 6x600GB and 2x300GB HDD drives in it and 16GB of RAM and i'm planning to install a fresh RHEL distribution. Having not much experience with RAIDS and ...
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0answers
3k views

Curl to host and port not working from inside Docker container

Below are the containers: CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES ...
4
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0answers
409 views

Users created in Kickstart unable to authenticate

Thanks to the answers to this question, I've been happily generating Kickstart files for Scientific Linux 6 and 7 for the past 5 years. However, we're now starting to build out some test systems with ...
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0answers
151 views

Client machine unable to connect to the local ftp repository server. Writes an error: Failed to synchronize cache for repo '***', ignoring this repo

Please help me to understand where I was wrong, because I've read a lot of articles also I've seen lot's of Youtube videos, but all the time in the end I've got the same error result. So, on my ...
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1answer
91 views

logrotate mariadb not workin as expected

i'm trying to configure logrotate for mariadb log files, Environment: system : RHEL 8.2 logrotate : 3.14.0 mariadb: 10.4 the file is /var/lib/mysql/SITE2-L-MANAGEDPKI-01.log{ missingok ...
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1answer
65 views

New to RHEL; Coming from Fedora; Different repo managers?

I'm coming from fedora. Just testing the waters in RHEL 8.2 None of my standard dnf packages are available. For instance: $ sudo dnf install powerline powerline-fonts [sudo] password for adamhanna: ...
2
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1answer
223 views

Unable to install RHEL 8 on older hardware [closed]

My office is looking to upgrade the OS on some of our small servers from RHEL 6 to RHEL 8. We're a pretty small operation and we have a few RHEL servers running on some older bare metal hardware that ...
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3answers
698 views

ImportError: No module named svn.core Python Traceback

I am working on the Setup of the Subversion server in one of my environments using RHEL 8 Apache 2.4 Subversion 1.10.6 Python 2.7 Viewvc 1.2.1 Apache & Subversion installation has been done ...
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1answer
2k views

Increasing ulimit open files not applied in RHEL 8.1

I have a fully-updated Red Hat Enterprise Linux (RHEL) 8.1 x86_64 system where, as a local user in a local terminal (i.e. not remotely via SSH), when I run ulimit -Sn it says 1024 and ulimit -Hn ...
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1answer
71 views

RHEL 8 - Module Streams

In my RHEL 8 box, I've just created local repos (BaseOS & AppStream) based on the RHEL 8 ISO and I can successfully install packages. However, when I'm trying to list modules or some specific ...
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1answer
1k views

RHEL 8.1 how to install libssh2 1.9 and openssh 8.1 or higher

I need to upgrade my libssh2 and openssh to newer versions. Currently, I have libssh2 v1.8 and openssh v8.0 . To pass compliance, both need updated but these are the only versions showing up in yum/...
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1answer
734 views

How to install Node.js 12 on CentOS 8?

I tried the following this post which states Application Streams are typically named for the version of the software that is included, e.g. nodejs:8 or nodejs:10 [...] ... but as you can see ...
4
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4answers
47k views

Yum on Centos 8 - Failed to download metadata for repo 'AppStream'

I'm on a fresh Centos 8 install and have tried to use yum for the first time (on this machine). I get the following for any attempt to install or update anything: yum update CentOS-8 - AppStream ...
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1answer
42 views

Install Ansible Tower in specific directory

Can you mount a second drive at /opt/ansible and tell Tower to install there instead so it won't affect a boot partition? What are some considerations if you can?
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2answers
355 views

RHEL 8.1 Kickstart cannot find ks.cfg

I'm having an issue with the RHEL 8.1 kickstart via NFS: NFS share: 192.168.x.x:/export/nfs/kickstart/rhel8 Kickstart File: 192.168.x.x:/export/nfs/kickstart/rhel8/ks.cfg It appears that Anaconda(?)...
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1answer
973 views

vdo: ERROR - Device /dev/sdc excluded by a filter

After creating a third disk in vagrant/virtualbox, I was getting this error while trying to create a VDO (Red Hat's Enterprise Linux 8 tool for deduplication and compression). For LVM you usually go ...
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1answer
882 views

How do I run docker agent in Jenkins on RHEL base image?

I have Jenkins running on RHEL 8. I am trying to run my pipeline, but it is not working, and I think it might be an issue with Podman, because I am able to run the pipeline on my machine which uses ...
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2answers
1k views

RHEL 8 Qt 4.8 packages

I need Qt4 packages for RHEL 8. "yum search qt" on RHEL 8.0 reveals only Qt5 packages. Are there any Qt4.8 (or later) packages for RHEL 8?
3
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4answers
9k views

yum repo sync “Error: Failed to synchronize cache for repo 'rhui-client-config-server-8'”

While doing yum provides or yum update on AWS Instance of RHEL 8.0 (Ootpa) a "rhui-client-config-server-8" repository giving Failed to Synchronize error. Steps followed yum clean cache (no success) ...
22
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2answers
5k views

Newly created XFS filesystem shows 78 GB used

We have a 12 TB RAID 6 array which is supposed to be set up as a single partition with an XFS file system. On creating the new file system, it says it has 78 GB in use, but there are no files on ...
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1answer
2k views

Yet another PDO could not find driver issue

I've been working for the last two nights to set up my own LEMP server on Amazon ec2. I'm not a server expert so it's been slow going, and the latest error "could not find driver" is given when ...