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Developer tools · #centos
Background CentOS 8 replaces the legacy yum binary with dnf , retaining a yum symlink for backward compatibility. The symlink masks underlying differences in dependency resolution, exit codes, and option handling (e.g., --setopt ). Scripts that rely on exact yum output or exit status may fail silently when dnf is invoked through the alias. Unresolved Decisio
I am trying to run a CentOS 8 server through VirtualBox (6.1.30) ( Vagrant ), which worked just fine yesterday for me, but today I tried running a sudo yum update . I keep getting this error for some reason: [vagrant@192.168.38.4] ~ >> sudo yum update CentOS Linux 8 - AppStream 71 B/s | 38 B 00:00 Error: Failed to download metadata for repo 'appstream'
Goal To have a Podman container automatically start, stop, and restart on boot using a systemd unit file generated by podman generate systemd on CentOS 8 Stream. Constraints & Uncertainty The generated unit must include proper ExecStart and ExecStop directives, and optional resilience settings like Restart=always . The container may require additional sy
When I tried to Scan the /home directory I got this error. [root@ip-172-31-34-67 ~]# clamscan /home LibClamAV Error: cli_loaddbdir(): No supported database files found in /var/lib/clamav ERROR: Can't open file or directory ----------- SCAN SUMMARY ----------- Known viruses: 0 Engine version: 0.103.0 Scanned directories: 0 Scanned files: 0 Infected files: 0 D
DNF metadata cache expiration on CentOS Stream is governed by the interaction between repo-provided expire and dnf.conf metadata_expire, with effective freshness taken as the minimum of the two values. The cache is stored under /var/cache/dnf per repository and is root owned, creating a permission boundary where non-root users can query packages via dnf but
I started using Centos 8 recently, and I installed VirtualBox to manage my virtual machines, the problem that I encountered with is that my VirtualBox couldn't boot any VMs and it told me to execute this script /sbin/vboxconfig as root, when I run this script the following message appears : vboxdrv.sh: Stopping VirtualBox services. vboxdrv.sh: Starting Virtu
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