The Network Interface configuration (if /etc/network/ not controlled via interfaces network-manager). Debian Reference Card Start, stop network Version 11 – Debian 11 ’Bullseye’ – 2021-03-14 if [up][down] interfaces according to the device https://www.debian.org/ file above. Show and manipulate Getting Help ip network interfaces and Read online help for every man page or man routing, needs iproute2. command and many bash ssh -X user@host Login at another machine. configuration files. scp files Copy files to other machine command [--help, Brief help for most user@host:path (and vice versa). -h] commands. Find all documentation /usr/share/ here, optional file doc/package-name/ README.Debian contains specifics. Reference, manuals, FAQs, Web HOWTOs, etc. at https: documentation //www.debian.org/doc/ Mailing lists at The community is always https://lists. helpful, search for users. debian.org/ The Wiki at Contains all kind of useful https://wiki. information. debian.org/

Installation All information about it at Installer https://www.debian.org/ devel/debian-installer/ Download from https:// CD images www.debian.org/distrib/ E.g. to set up the network boot:expert w/o DHCP or to adapt bootloader installation.

Bugs Bug Tracking at All about existing and fixed https://bugs. bugs. debian.org/ Legal Notice See https://bugs.debian. org/package-name/ , use This document may be used under the terms of the GNU Package specific General Public License version 3 or higher. The license wnpp to ask for new text can be found at https://www.gnu.org/copyleft/ packages. gpl.html and /usr/share/common-licenses/GPL-3 . reportbug Report a bug by e-mail. Instructions at Copyright © 2004, 2010 W. Martin Borgert Reporting https://www.debian.org/ Copyright © 2016, 2019 Holger Wansing Bugs/Reporting Made by: https://www.debian.org/doc/user-manuals#refcard Configuration Important Shell Commands APT All system configuration rmdir dirs Remove empty directories. Like apt upgrade, but with /etc/ files are under directory Create (c), extract (x), list apt full-upgrade advanced conflict tar [c][x][t][z][j][J] /etc/. table of (t) archive file, z for resolution. -f file.tar [files] Default text editor. May be .gz, j for .bz2, J for .xz. apt remove editor files Remove packages. nano, emacs, vi, joe. find directories Find files like -name name package-names CUPS at http: Browser interface to expressions or -size +1000, etc. Remove packages that no apt autoremove //hostname:631 printing system. grep other packages depend on. Reconfigure a package, e.g. search-string Find search-string in files. apt depends List all packages needed by dpkg-reconfigure keyboard-configuration files package-name the one given. package-name (keyboard), locales Create a symbolic link to a apt rdepends List all packages that need ln -s file link (localization). file. package-name the one given. update- ps [options] Show current processes. Update content listings Manage command alternatives Send signal to process (e.g. apt-file update from package repositories, alternatives. options kill [-9] PID terminate it). Use ps for see apt update. After changing PID. apt-file search update-grub Search packages for file. /etc/default/grub. Become another user, e.g. file-name su - [username] root. apt-file list List contents of a package. Execute a command as root package-name sudo command as normal user, see Console interface to APT, Daemons and System aptitude systemctl /etc/sudoers. needs aptitude. Restart a service, system restart Overwrite file with output of GUI interface to APT, needs daemon. command > file synaptic name.service command. synaptic. Append output of command systemctl stop Stop a service, system command >> file name.service daemon. to file. Use output of command 1 as systemctl start Start a service, system cmd1 | cmd2 Dpkg name.service daemon. input of command 2. dpkg -l [names] List packages. Use file as input for systemctl halt Halts system. command < file dpkg -I pkg.deb Show package information. systemctl reboot Reboots system. command. dpkg -c pkg.deb List contents of package file. systemctl poweroff Shuts down system. Show which package a file dpkg -S filename systemctl suspend Suspends system. belongs to. systemctl APT dpkg -i pkg.deb Install package files. Hibernates system. hibernate Update packages listings dpkg -V Audit check sums of All log files are under this from package repositories [package-names] installed packages. /var/log/ directory. as listed in dpkg-divert Override a package’s Default values for many apt update /etc/apt/sources.list. [options] file version of a file. /etc/default/ daemons and services. Required whenever that file dpkg Compare version numbers; or the contents of the --compare-versions view results with echo $?. repositories change. v1 gt v2 Search packages and Query installed packages, Important Shell Commands apt search dpkg-query -W descriptions for format e.g. ’${Package} cat files Print files to screen. search-string --showformat= search-string. ${Version} cd directory Change to directory. format cp files dest Copy files and directories. apt list -a Show versions and archive ${Installed-Size}\n’. package-name areas of available packages. dpkg echo string Echo string to screen. Write package selections to gzip, bzip2, xz [-d] apt show -a Show package information --get-selections Compress, uncompress files. file. files package-name incl. description. > file Install packages from dpkg pager files Show contents of files. apt install Set package selections from repositories with all --set-selections ls [files] List files. package-names file. mkdir dependencies. < file Create directories. directory-names Install newest versions of all mv file1 file2 Move, rename files. apt upgrade packages currently rm files Remove files. installed.