Debian: Difference between revisions
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or | or | ||
needrestart -k -b | needrestart -k -b | ||
== change default editor == | == change default editor == | ||
| Line 127: | Line 108: | ||
==apt-get update throwing KEYEXPIRED== | ==apt-get update throwing KEYEXPIRED== | ||
Ignore that, it updated just fine. You | Ignore that, it updated just fine. You might run into the usual warnings when installing packaged. To Be Documented. | ||
For example: | For example: | ||
deb [trusted=yes] | deb [trusted=yes] | ||
==Missing key== | |||
Missing key D9A7E9F52B9754A34443ED1DC9A78F8C43D8720A, which is needed to verify signature | |||
Find the key and add it to apt keyring, like | |||
curl -fsSL https://repo.charm.sh/apt/gpg.key | sudo gpg --dearmor -o /etc/apt/keyrings/charm.gpg | |||
=Show more package information= | =Show more package information= | ||
apt-cache show packagename* | apt-cache show packagename* | ||
==List installed packages== | |||
apt list --installed | |||
| Line 158: | Line 149: | ||
==show dependencies== | ==show dependencies== | ||
apt-cache rdepends | ===What depens on package?=== | ||
apt-cache rdepends <package> | |||
aptitude why | aptitude why | ||
==What package does a file belong to?== | ==What package does a file belong to?== | ||
dpkg -S /path/to/file | dpkg -S /path/to/file | ||
Latest revision as of 08:01, 5 June 2026
Sites
Security
- http://lists.debian.org/debian-security-announce/
- debsecan
- debsum
Links
Netboot/PXE
- https://wiki.debian.org/DebianInstaller/NetbootAssistant
- Preseed
- Install Debian 9 (Stretch) via PXE Network Boot Server
Documentation
- Compiling kernels the Debian way
- aptitude is often nicer than apt-get, but be careful
- apt-file to find package providing a certain file
Networking on Debian
Bonding
https
https on debian testing is a mess, ignore:
- make-ssl-cert
- apache2-ssl-certificate in apache2.2-common only?
- http://www.debian-administration.org/articles/349
http://www.eclectica.ca/howto/ssl-cert-howto.php looks promising
Handling packages
Pinning
HOWTO
Modules
Set module parameters
in /etc/modprobe.d/somename.conf
options somemodule paramname=2
FAQ
Installer
Select a boot disk
Depends a bit, customer installer would insist on that, but expects /boot to be a separate partition?
Check if a reboot is required
Check
/var/run/reboot-required.pkgs
or
needrestart -k -b
change default editor
update-alternatives --config editor
change timezone
dpkg-reconfigure tzdata
Change system language
dpkg-reconfigure locales
and
setlocale
kernel packages
- kernel-image
- kernel-source
volatile
clean cache
apt-get clean
E: Unable to correct problems, you have held broken packages.
First try
dpkg --get-selections | grep hold
reportbug: The following newer release(s) are available in the Debian archive:
Ignore than and just continue ( see https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=900254 )
apt-get update throwing KEYEXPIRED
Ignore that, it updated just fine. You might run into the usual warnings when installing packaged. To Be Documented. For example:
deb [trusted=yes]
Missing key
Missing key D9A7E9F52B9754A34443ED1DC9A78F8C43D8720A, which is needed to verify signature
Find the key and add it to apt keyring, like
curl -fsSL https://repo.charm.sh/apt/gpg.key | sudo gpg --dearmor -o /etc/apt/keyrings/charm.gpg
Show more package information
apt-cache show packagename*
List installed packages
apt list --installed
W: GPG error:
http://ftp2.de.debian.org etch/volatile Release: The following signatures couldn't be verified because the public key is not available: NO_PUBKEY EC61E0B0BBE55AB3
gpg --keyserver wwwkeys.eu.pgp.net --recv-keys EC61E0B0BBE55AB3 #and that other thing
Or just:
apt-get --allow-unauthenticated install debian-archive-keyring
Or
apt-key adv --keyserver pgp.mit.edu --recv-keys 8B48AD6246925553
Or
gpg --keyserver keyserver.ubuntu.com --recv-key 03BBF595D4DFD35C gpg -a --export 03BBF595D4DFD35C | apt-key add -
show dependency tree
apt-cache dotty apt-rdepends
show dependencies
What depens on package?
apt-cache rdepends <package>
aptitude why
What package does a file belong to?
dpkg -S /path/to/file
