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Questions tagged [centos8]

CentOS 8 was a community developed and supported distribution of Linux based on Red Hat Enterprise Linux. It was released on September 24, 2019 and reached End Of Life on December 31, 2021.

CentOS 8 was a community developed and supported distribution of Linux based on Red Hat Enterprise Linux. It was released on September 24, 2019 and reached End Of Life on December 31, 2021.

280 questions
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Switch from existing firewalld configuration to nftables

I'm running a low-RAM VPS with CentOS 8. I've noticed that firewalld service uses way too much RAM (up to 20%). So I guess it may be better to switch to use only built-in nftables. I'm quite familiar with old iptables as well as firewalld…
simon
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Remi: Which repository contains what?

If I add the remi repository with dnf install https://rpms.remirepo.net/enterprise/remi-release-8.rpm I get 3 files in /etc/yum.repos.d that declare following…
robsch
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daemontools svscan cannot start supervise due to permission denied error on CentOS 8

I have installed daemontools-0.76 on a CentOS 8 system as per the official docs here: http://cr.yp.to/daemontools.html. I then created a test service symlinked in /service/test with a simple run file that echoes text to stdout (as basic as it gets).…
comc
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centos 8 - sssd configuration not fetching shadow contents for ldap user

I have configured sssd on centos 8 and ldap on centos 7. I am able to get details about a testuser using getent passwd and getent group , but while testing it for getent shadow I am not getting any details for the testuser. This is causing login…
Sudip
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samba server mount points stopped working on CentOS 8 install, error: Failed to start SPNEGO handler for negprot OID list

After about 6 months of smb working flawlessly on a home server, it is now failing to allow remote systems to mount with the following error message in /var/log/messages: Jun 27 12:53:10 bike3 smbd[19385]: [2020/06/27 12:53:10.706872, 0]…
tsnorthj
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2 answers

How to modify a VM instance setting to boot from BIOS to UEFI?

I shrank my boot hard disk size on my Google Cloud Compute VM. Something which switched the boot method of the OS installed on it from legacy to UEFI along with the disk boot settings (which triggers UEFI setting must be the same for the instance…
user2284570
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How does dnf-automatic send emails without knowing a password?

In the dnf-automatic config file automatic.conf I see the following lines under the email section. [email] # The address to send email messages from. email_from = sender@example.com # List of addresses to send messages to. email_to =…
myNewAccount
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PXE kickstart install of CentOS 8 wants files that don't exist on DVD

I'm trying to use the CentOS-8-x86_64-1905-dvd1.iso as the http source for my PXE/kickstart install. I'm struggling to understand why the installer is looking of squashfs.img and a directory named LiveOS, neither of which exist in the above iso…
mr.zog
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PATH issues with gitlab-runner on centos 8

I'm having an issue when trying to use the gitlab runner I installed in my centos 8 server. So here are the details: I followed the instructions here to install: https://docs.gitlab.com/runner/install/linux-manually.html I downloaded and installed…
RyanH
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Way to open graphical console of KVM VM in fullscreen in Cockpit?

I've installed Cockpit, Cockpit-machines and Virt-viewer on my CentOS 8 and successfully connected to my KVM server in Firefox on Windows 10. But i can not find a way to open graphical console of my VM in fullscreen. Is there a way to do this at…
DenisNovac
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Mounting using NFS result in Operation Not Permitted

I followed an article from DigitalOcean to mount a directory from my backup machine (192.168.100.82) on my service machine (192.168.100.81): mount -vvv 192.168.100.82:/var/nfs/general /nfs/general But it fails with the following log: mount.nfs:…
TheSETJ
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How can I install application as root and start and stop it as non root?

I have a script which will install mysql server, java and then my java application. I want to create a test user and group testg, the application will start and stop by non-root user (here test user) however the installation will be done as root…
user15566016
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Install httpd-devel on centos8 -Unable to find a match error

I am trying to install httpd-devel on my centos8 machine and have the following error: [root@localhost tmp]# yum install httpd-devel Last metadata expiration check: 0:02:01 ago on Mon 22 Aug 2022 11:57:03 AM +04. No match for argument:…
user1999453
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Centos Stream 9 - Second NIC adapter plugged in but not sending internet through the cable

I have created centos stream 9, and i'm planning to make this linux box acting as router, this linux box has 2 nic, one connected to wan, the other one connected to lan, i did below steps, but the 2nd nic can not share internet to other client…
Keith Li
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can't run iptables-legacy using cli - centos8

I have a Centos-8 machine which comes with nft-tables and with ip-tables libraries installed. for example: the files: /lib64/xtables/* /lib64/libiptc.so.0.0.0 /lib64/libiptc.so.0 are all exists and working, which means that I'm able to perform…
Or Yaacov
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