YUM/DNF Paketmanager

generieren

Umfassende YUM- und DNF-Befehle und Workflows für Red Hat, CentOS und Fedora-Paketmanagement.

Installation und Aktualisierung

Basispakete (DNF)

| | Command | Description | | | --- | --- | | | sudo dnf update | Update all packages | | | | sudo dnf upgrade | Upgrade all packages (same as update) | | | | sudo dnf install package_name | Install package | | | | sudo dnf remove package_name | Remove package | | | | sudo dnf autoremove | Remove unused dependencies | | | | sudo dnf reinstall package_name | Reinstall package | |

Basispakete (YUM)

| | Command | Description | | | --- | --- | | | sudo yum update | Update all packages | | | | sudo yum install package_name | Install package | | | | sudo yum remove package_name | Remove package | | | | sudo yum autoremove | Remove unused dependencies | | | | sudo yum reinstall package_name | Reinstall package | |

Erweiterte Installation

| | Command | Description | | | --- | --- | | | sudo dnf install package1 package2 | Install multiple packages | | | | sudo dnf install package-version | Install specific version | | | | sudo dnf localinstall package.rpm | Install local RPM file | | | | sudo dnf downgrade package_name | Downgrade package | | | | sudo dnf install --enablerepo=repo package | Install from specific repo | |

Angebotsinformationen

Suche und Information

| | Command | Description | | | --- | --- | | | dnf search keyword | Search for packages | | | | dnf info package_name | Show package information | | | | dnf list installed | List installed packages | | | | dnf list available | List available packages | | | | dnf list updates | List available updates | | | | rpm -qa | List all installed packages | | | | rpm -qi package_name | Show installed package info | |

Paketabhängigkeiten

| | Command | Description | | | --- | --- | | | dnf deplist package_name | Show package dependencies | | | | dnf repoquery --requires package_name | Show package requirements | | | | dnf repoquery --whatrequires package_name | Show what requires package | | | | rpm -qR package_name | Show package dependencies (RPM) | |

Repository Management

Repository Operationen

| | Command | Description | | | --- | --- | | | dnf repolist | List enabled repositories | | | | dnf repolist all | List all repositories | | | | sudo dnf config-manager --add-repo URL | Add repository | | | | sudo dnf config-manager --disable repo_name | Disable repository | | | | sudo dnf config-manager --enable repo_name | Enable repository | |

EPEL Repository (CentOS/RHEL)

| | Command | Description | | | --- | --- | | | sudo dnf install epel-release | Install EPEL repository | | | | sudo yum install epel-release | Install EPEL (YUM) | |

Systemwartung

Reinigungsoperationen

| | Command | Description | | | --- | --- | | | sudo dnf clean all | Clean all cache | | | | sudo dnf clean packages | Clean package cache | | | | sudo dnf clean metadata | Clean metadata cache | | | | sudo dnf autoremove | Remove orphaned packages | |

Paketgruppen

| | Command | Description | | | --- | --- | | | dnf group list | List package groups | | | | dnf group info "Group Name" | Show group information | | | | sudo dnf group install "Development Tools" | Install package group | | | | sudo dnf group remove "Group Name" | Remove package group | |

Konfigurationsdateien

DNF/YUM Konfiguration

| | File | Description | | | --- | --- | | | /etc/dnf/dnf.conf | DNF main configuration | | | | /etc/yum.conf | YUM main configuration | | | | /etc/yum.repos.d/ | Repository configuration files | | | | /var/log/dnf.log | DNF log file | | | | /var/log/yum.log | YUM log file | |

Beispiel dnf.conf

ini [main] gpgcheck=1 installonly_limit=3 clean_requirements_on_remove=True best=False skip_if_unavailable=True fastestmirror=True max_parallel_downloads=10_

Beispiel Repository File

ini [example-repo] name=Example Repository baseurl=https://example.com/repo/ enabled=1 gpgcheck=1 gpgkey=https://example.com/RPM-GPG-KEY_

Erweiterte Nutzung

Geschichte und Rollback

| | Command | Description | | | --- | --- | | | dnf history | Show transaction history | | | | dnf history info ID | Show transaction details | | | | sudo dnf history undo ID | Undo transaction | | | | sudo dnf history redo ID | Redo transaction | | | | sudo dnf history rollback ID | Rollback to transaction | |

Modulmanagement (DNF)

| | Command | Description | | | --- | --- | | | dnf module list | List available modules | | | | dnf module list --installed | List installed modules | | | | sudo dnf module install module:stream | Install module stream | | | | sudo dnf module enable module:stream | Enable module stream | | | | sudo dnf module disable module | Disable module | |

Sicherheitsupdates

| | Command | Description | | | --- | --- | | | dnf updateinfo | Show update information | | | | dnf updateinfo --security | Show security updates | | | | sudo dnf update --security | Install security updates only | | | | dnf updateinfo list cves | List CVEs | |

Paketbau

Entwicklung von RPM

| | Command | Description | | | --- | --- | | | sudo dnf install rpm-build rpmdevtools | Install build tools | | | | rpmdev-setuptree | Setup RPM build tree | | | | rpmbuild -ba package.spec | Build RPM package | | | | rpm -qp --requires package.rpm | Check RPM dependencies | |

Quelle RPMs

| | Command | Description | | | --- | --- | | | dnf download --source package_name | Download source RPM | | | | rpm -ivh package.src.rpm | Install source RPM | | | | rpmbuild --rebuild package.src.rpm | Rebuild from source | |

Fehlerbehebung

Gemeinsame Themen

| | Problem | Solution | | | --- | --- | | | Conflicting packages | sudo dnf remove conflicting_package | | | | Broken dependencies | sudo dnf check | | | | Corrupted RPM database | sudo rpm --rebuilddb | | | | Repository errors | sudo dnf clean all && sudo dnf makecache | |

Lock Issues

| | Command | Description | | | --- | --- | | | sudo rm /var/lib/rpm/.rpm.lock | Remove RPM lock | | | | sudo rm /var/run/yum.pid | Remove YUM lock | | | | ps aux \ | grep yum | Check for running YUM processes | |

Datenbank Reparieren

| | Command | Description | | | --- | --- | | | sudo rpm --rebuilddb | Rebuild RPM database | | | | sudo dnf check | Check for problems | | | | sudo dnf distro-sync | Synchronize packages | |

Fedora-Specific Features

Fedora Updates

| | Command | Description | | | --- | --- | | | sudo dnf system-upgrade download --releasever=XX | Download upgrade | | | | sudo dnf system-upgrade reboot | Perform upgrade | | | | sudo dnf install fedora-upgrade | Install upgrade tool | |

Integration von Flatpak

| | Command | Description | | | --- | --- | | | sudo dnf install flatpak | Install Flatpak | | | | flatpak remote-add --if-not-exists flathub https://flathub.org/repo/flathub.flatpakrepo | Add Flathub | |

CentOS/RHEL-Specific

Subscription Manager (RHEL)

| | Command | Description | | | --- | --- | | | sudo subscription-manager register | Register system | | | | sudo subscription-manager attach --auto | Auto-attach subscription | | | | sudo subscription-manager repos --enable=repo_name | Enable repository | |

Das ist der

| | Command | Description | | | --- | --- | | | sudo dnf install centos-release-stream | Install Stream repos | | | | sudo dnf swap centos-linux-repos centos-stream-repos | Switch to Stream | |

Leistungsoptimierung

Konfiguration Tuning

```ini

/etc/dnf/dnf.conf optimizations

[main] fastestmirror=True max_parallel_downloads=10 deltarpm=True keepcache=True ```_

Spiegelbild

| | Command | Description | | | --- | --- | | | sudo dnf install dnf-plugins-core | Install DNF plugins | | | | sudo dnf config-manager --set-enabled powertools | Enable PowerTools (CentOS) | |

Best Practices

Sicherheit

*Regular-Updates: System mit Sicherheitspatches aktualisiert halten
** Repository Verification*: Nur vertrauenswürdige Repositories verwenden
GPG Verifikation: Stellen Sie sicher, dass Pakete ordnungsgemäß unterzeichnet werden
Minimale Installation: Nur notwendige Pakete installieren
Sicherheitsaktualisierungen priorisieren Sicherheitsaktualisierungen

Leistung

*Fastest Mirror: Aktivieren Sie schnellste Spiegel Plugin
*Parallel Downloads: Parallele Downloads konfigurieren
*Delta RPMs: Delta RPM-Downloads aktivieren
Cache Management: Regelmäßige Cache-Reinigung
** Projektarchiv Prioritäten**: Repository Prioritäten festlegen

Wartung

Regular Cleanup: Saubere Paketkassette regelmäßig
*History Tracking: Transaktionsverlauf überwachen
Abhängige Gesundheit: Überprüfung der gebrochenen Abhängigkeiten
Log Monitoring: Systemprotokolle für Probleme überprüfen
Backup: Wichtige Konfigurationen sichern