Questions tagged [centos8]

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MySQL Connecting with Blank User Name & Password

I'm having serious trouble for the last few days, please have empathy with my question. After a series of server crashes and hackings, today I've found out that my mysql can be connected via a web ...
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0answers
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How to auto-disconnect OpenVPN session

I would like to configure OpenVPN to disconnect after a fixed amount of time (e.g. 30 minutes after the initial connection). What would be the best way to achieve this? I am currently running an ...
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1answer
22 views

Recommended approach for booting from Linux software RAID for redundancy

I am looking for the recommended approach to setting up software RAID (using mdadm) on Centos 8 to provide redundancy. In my setup I have 4 identical disks, but I assume the answer should also be ...
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2answers
79 views

PXE boot Centos 8 fails with “failed initrd-switch-root.service”

I am trying to pxe boot centos 8 as a diskless system however, after the boot fails after loading the kernel and the initrd.img when it tries to hand over control to the root file structure. I get the ...
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1answer
65 views

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 ...
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Firewalld and Rich rules

After some general good practice w/firewalld, as I have a set up which feels like it might a bit of a kludge. Public zone - has interface assigned, set to 'drop'. Internal zone - initially set up one ...
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22 views

Centos 8 Kickstart installation ignoring custom partioning

I am installing Centos 8 on a hard drive that already has a Centos 7 installation. I created a kickstart file by performing the installation manually. When I try to use the kickstart file it fails ...
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188 views

Centos 8.2 KVM Windows Server 2019 Blue Screen

EDIT 11.07.2020 I prepared a custom vhd via virtualbox. It has the same bluescreen, but now I'm getting into cmd. mdsched worked fine -> So no memory issue... Informations: HP Proliant 380 G9 ...
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29 views

CentOS 8 - How can I set a client to use a dns server for all domains and one dns for a particular domain?

I'm currently struggle to configure Linux (CentOS 8) in a special way. The goal should be that my client asks ALWAYS a public DNS Server for everything that is not "example.local". "...
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1answer
43 views

Debian-based servers can authenticate users on OpenLDAP when RH-based servers cannot [closed]

I'm putting centralized authentication in my LAN infrastructure. The LDAP server is up and running, and all Debian/Ubuntu servers manage to authenticate users against the LDAP. Now, all my CentOS8/...
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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[...
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CentOS 8 KVM under CentOS 7 — Kickstart Network Install Fails

We have CentOS 8 KVM running under CentOS 7. Everything seems to be working well for us once the KVM is up and running. We are using kickstart to bootstrap the KVM. We are having problems ...
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42 views

Centos 8 / EL8 AppStream profiles to offline machine

Im trying to install freeipa-client on a centos8 machine. The machine is offline (no internet connection possible) with a local network mirror. The mirror has been constructed via an rsync of the ...
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1answer
27 views

Run incoming mail through PHP script - Postfix

I have followed this answer Pipe all Postfix email for a domain to PHP script - Centos7/EC2 to direct incoming mail for a specific address to a PHP script. My aliases file entry looks like: mail-...
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1answer
73 views

CentOS 8 remote logging logs on both custom log and /var/log/messages

I'm trying to configure a remote log host for my servers (all CentOS 8). I added this on my central server if $fromhost-ip == '123.123.123.123' then /var/log/{{hostname}}.log Also I changed my client ...

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