Questions tagged [centos8]

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How to uninstall redis on Centos 8

How can i fully uninstall redis from my Centos 8 machine ? I have a malware that keeps getting in via redis 41533 redis 20 0 5883224 4.4g 2776 S 1593 13.9 13507:24 kdevtmpfsi
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0answers
15 views

Error while trying to backup site files

# tar -czf /backup/backup.tar.gz /var/www/html tar: Removing leading `/' from member names tar: /var/www/html/wp-content/uploads/2020/02: file changed as we read it # ls -la total 17160456 drwxr-xr-x ...
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1answer
68 views

What is the command line to backup my /var/www/html files?

what is the best command line to backup my files ? tar -czf /backup/backup.tar.gz /var/www/html or tar -czvf /backup/backup.tar.gz /var/www/html and what are the difrences between this to ? P.S. ...
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2answers
80 views

I just installed webmin on a Centos 8 machine and when I try to connect to localhost:10000 I get a timeout

I just installed webmin on a Centos 8 machine and when I try to connect to localhost:10000 I get a timeout. Any idea why this could be?
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0answers
117 views

OSCAP on Centos 8

I am trying to run scap-workbench on Centos 8, but I am not seeing a profile for Centos 8. Is there one somewhere? I have googled scap-workbench centos 8, but have not found any. Has one been created ...
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0answers
272 views

How to Install CentOS8 on LVM on Software RAID

I'm trying to do something that should in my mind be simple - I've done this plenty of times on other distros, but can't make any headway. I'm trying to Install CentOS8 on an LVM partition on ...
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1answer
138 views

Difficulties with Fail2Ban on PhpMyAdmin on CentOS

I am Brazilian and I still try to adapt with the English language. I'm having a hard time getting Fail2Ban to work on phpmyadmin. I'm using CentOS 8.1.1911 and fail2ban 0.10.5-2. My PhpMyAdmin is ...
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0answers
22 views

kickstart config for metadata_csum in ext4

will my kickstart file not install ext4 FS without metadata_csum option ? partition / --onpart=hda1 --grow --fstype=ext4 --mkfsoptions="-O ^metadata_csum"
3
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0answers
1k views

CentOS8: podman with enabled firewalld breaks DNS for container

I just have started using CentOS8 + podman in scope of migration from CentOS7 + docker. The issue is the following: 1) When firewalld is stopped - DNS works fine inside container: [root@dev1 ~]# ...
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1answer
100 views

When I do a ping for my CentOS 8 web server, it shows a name that is not the hostname or domain name. where is it getting it from?

I have set my hostname like this: $ sudo hostnamectl set-hostname dev.mydomain.com and I see it got set when I do this: $ hostnamectl status Static hostname: dev.mydomain.com Icon name:...
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1answer
63 views

Setting up two sites on the same IP machine

I have CentOS 8 I installed LAMP, Varnish, etc. I setup hosts /etc/hosts ip site1.com www.site1.com ip site2.com www.site2.com I setup Apache like this: /etc/httpd.conf to include sites-enabled/ ...
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3answers
544 views

CPU - 16 threads stuck at 100% [resolved]

I use centos 8, mariadb 10.5, php 7.4 enter image description here As you can see 16 threads are at 100% stucked there this very unsual normally my cpu are at 10-25% as constant. here is a top ...
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1answer
180 views

I installed by mistake MySQL version 10.5.0-MariaDB is EOL software, what should I do now server is in production?

I've installed MySQL version 10.5.0-MariaDB is EOL software by mistake what should I do now server in production? What should i do ? wait for a new release since everything seems to be working fine. ...
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0answers
237 views

Can't connect via FTP or SFTP to CentOS 8 server running vsftpd

I followed the guide to installing vsftp here https://www.tecmint.com/install-ftp-server-in-rhel-8/ The daemon is running: # systemctl status vsftpd ● vsftpd.service - Vsftpd ftp daemon Loaded: ...
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1answer
841 views

Virsh command not working to install Centos 8 virtual-machine on Ubuntu 18.04 via qemu/kvm [closed]

I am trying to install centos 8 on ubuntu 18.04 as a virtual machine. I have a wireless connection. When I run the following command: chh2@chh2-cpu:~$ sudo virt-install --name=chris_centos --ram=...
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0answers
83 views

Facing issues in Anydesk, anydesk remote windows shows 2 desktops. (Centos 8)

Hi i have just freshly installed centos 8 and also installed anydesk in it by downloading the rpm package from anydesk official website. And now anydesk is not working properly anydesk error . When i ...
0
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1answer
33 views

Can a CentOS 8 chrony client synchronize with a CentOS 7 ntp server?

Can a CentOS 8 chrony client synchronize with a CentOS 7 ntp server? By ntp server, I mean it was configured through yum installing the ntp package and not the chrony package.
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0answers
198 views

Can't use docker/podman on fresh Centos8

I have a fresh CentOS 8 machine. Not knowing about "podman" I installed docker: yum install docker. This actually installs podman 1.0.5. I can't run any images: devrisenshine2 [wiretap_wrapper] % ...
1
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2answers
1k views

Where is the Redis module for PHP on CentOS 8 (php-pecl-redis)?

I can't find the package php-pecl-redis on CentOS 8 with EPEL repository enabled. Apparently EPEL no longer provides it. I've only found it on REMI repository, but I would have to replace my entire ...
3
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1answer
3k views

firewalld is not working in CentOS 8: no rule at all is created in iptables

I've recently upgraded a clean install CentOS 7 to CentOS 8 using this tutorial: https://www.tecmint.com/upgrade-centos-7-to-centos-8/ I had no extra software installed, only the base install. After ...
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4answers
5k views

Can't mount CentOS NFS share on Windows 10 - “Network Error - 53”

I have a CentOS 8 virtual machine (192.168.10.203) running nfs-server, and I'm trying to mount the share on my Windows 10 Pro x86_64 machine (192.168.10.10) I have installed the "Services for NFS&...
3
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3answers
1k views

Creating a bridged WiFi AP (hotspot) in Centos 8 (or Fedora)

I am trying to create a bridged WiFi hotspot on a Centos 8 system, using NetworkManager. The machine is Dell EPC3000, with two built-it GigE's and ath10k wireless adapter, plus an LTE WWAN. Creating ...
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1answer
321 views

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 ...
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0answers
409 views

What happens on a centos 8 server when systemd-logind is turned off?

I have a centos 8 server setup which should provide sftp (openssh) and ftp (vsftp) transfers but no login shell to multiple users. To tell vsftpd the root for chroot jails I have to add a dot to the ...
4
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2answers
1k views

How to determine if my CentOS 8 is vulnerable to CVE-2019-18348

I am a long-time linux sysadmin, but new to CentOS. I just need to determine if this CentOS server is vulnerable to CVE-2019-18348. To do that, I have to either verify the packages installed are ...
1
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1answer
901 views

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/...
1
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0answers
100 views

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 ...
2
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2answers
1k views

Ansible Centos 8 dnf module “module” switch missing?

I'm trying to use the dnf module of Ansible with the module switch to install PHP 7.4 from the remi repo. I'm doing this as a command, as I can't get it to work using Ansible dnf. This is what I ...
0
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1answer
946 views

AD user can't login to Centos 8

I have a new Centos 8 box. I also have Windows 2016-based domain controller that serves all my windows servers and workstations (about 10 altogether). I successfully joined AD - or at least it looks ...
4
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2answers
4k views

dnf - cannot install the best candidate for the job

I just installed CentOS8... $ cat /etc/redhat-release CentOS Linux release 8.0.1905 (Core) $ ... and now trying to follow Get Docker Engine - Community for CentOS | Docker Documentation, yet ...
1
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1answer
392 views

How can I enable epel-release before installing packages with cloud-init?

I'm trying to install a few packages on CentOS 8 via cloud-init, like this: package_upgrade: true packages: - firewalld - htop One of them one of them requires epel-release repo to be installed ...
18
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4answers
16k views

No network connectivity to/from Docker CE container on CentOS 8

I just installed the latest release of docker-ce on CentOS, but I can't reach published ports from a neighboring server and can't reach the outside from the container itself. Running a plain vanilla ...
16
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3answers
13k views

How do I update a system from CentOS 7 to CentOS 8?

Assuming that reinstalling from zero is not practical, how do I perform an update from CentOS 7 to CentOS 8? I tried to do a yum install http://mirror.bytemark.co.uk/centos/8/BaseOS/x86_64/os/...

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