Fedora¶
See also: Python in Fedora.
Debuginfo¶
To debug python3-cryptography, install debug symbols:
sudo dnf debuginfo-install python3-cryptography
Download a source RPM¶
sudo yum install yum-utils
yumdownloader --source <package>
# install build dependencies:
yum-builddep python
You may have to enable “Source” repositories: see also “yumdownloader –enablerepo=xxx” option.
Search a package without updating yum cache¶
yum search -C pattern
Which package provides the program route?¶
$ rpm -qf $(which route)
net-tools-2.0-0.15.20131119git.fc20.x86_64
Or if the package is not installed:
$ yum whatprovides route
...
net-tools-2.0-0.15.20131119git.fc20.x86_64 : Basic networking tools
...
Nom de fichier: /usr/sbin/route
Listing the files in a package¶
rpm -ql mongodb-server
Install dependencies to build the package digikam¶
yum-builddep digikam
Packages¶
- https://apps.fedoraproject.org/packages/
- Example with gdb: https://apps.fedoraproject.org/packages/s/gdb
- https://koji.fedoraproject.org/koji/ : server where packages are built
Install manually a different version, package already installed:
rpm -e gdb-8.2.50.20181010-5.fc30.x86_64.rpm
Rebuild a Fedora package¶
Rebuild a package: Fedora Source RPM.
If you get a .src.rpm package, you can rebuild it with:
rpmbuild --rebuild wrk-3.1.0-1.fc21.src.rpm
Unpack RPM¶
Unpack file.rpm in a new dir/ subdirectory:
mkdir dir
cp file.rpm dir/
cd dir
rpm2cpio file.rpm | cpio -idmv
sudo: add user to wheel group¶
usermod -aG wheel vstinner
Upgrade¶
Upgrade Fedora 29 to Fedora 30 in command line:
# sudo dnf upgrade --refresh
sudo dnf install dnf-plugin-system-upgrade
sudo dnf system-upgrade download --refresh --releasever=34 --allowerasing # --skip-broken
sudo dnf system-upgrade reboot
# at first boot on the new Fedora, fix SELinux labels:
sudo fixfiles -B onboot
# and reboot
ABRT¶
See also systemd coredumpctl.
ABRT components¶
- /usr/bin/abrt-applet
- /usr/bin/abrt-dump-journal-core run by abrt-journal-core.service
- /usr/sbin/abrtd run by abrtd.service
- /usr/sbin/abrt-dbus run by DBus activation
- /usr/bin/abrt-dump-journal-oops run by abrt-oops.service
Ignore crashes in $HOME¶
Edit BlackListedPaths
in /etc/abrt/abrt-action-save-package-data.conf
:
$ sudo vim /etc/abrt/abrt-action-save-package-data.conf
BlackListedPaths = (...), /home/vstinner/*
where (...)
was the existing configuration. Full example:
BlackListedPaths = /usr/share/doc/*, */example*, /usr/bin/nspluginviewer, /usr/lib*/firefox/plugin-container, /home/vstinner/*
Rawhide and GPG keys¶
Rawhide: https://fedoraproject.org/wiki/Releases/Rawhide
GPG:
$ rpm -qf /etc/pki/rpm-gpg/RPM-GPG-KEY-fedora-31-x86_64
fedora-gpg-keys-31-0.2.noarch
Import Fedora’s GPG key(s) (command comming from https://getfedora.org/security/):
curl https://getfedora.org/static/fedora.gpg | gpg –import
Last resort: disable gpgcheck in /etc/yum.repos.d/fedora-rawhide.repo (then reenable it).
dnf: file … of xxx conflicts with file from package yyy¶
Attempt dnf remove xxx
.
If it’s really not possible:
dnf download yyy
sudo rpm -ihv --force <downloaded RPM file>
RPM specfile¶
%bcond_without rpmwheels
enables rpmwheels feature (true)%bcond_with rpmwheels
disables rpmwheels feature (false)
Change root password¶
Official doc: https://docs.fedoraproject.org/en-US/quick-docs/reset-root-password/
At boot, hold the CTRL key
In GRUB, select the latest kernel with up/down keys, press “e”, edit the “linux” line, add
rw init=/bin/bash
, press CTRL+x or F10 to boot.In bash, type:
# mount -o remount,rw / # if you forgot rw # passwd <enter new root password here> # touch /.autorelabel # sync # /sbin/reboot -f
The touch /.autorelabel
command recreate SELinux labels, especially
on the /etc/shadow
file (label: system_u:object_r:shadow_t:s0
).