Debian

Console

• Bulk rename files on a linux system
• Clear the history
• Debian, ssh
• Encrypt a file using gpg
• Find out bits of linux
• debian, dig

Config/Setup/Install

System

• .bashrc
• 32 bit apps on 64 bit debian
• Add non-free firmware drivers
• Debian Proxy on command line
• Debian, alternatives, change defaults for editor or browser
• Debian, entries for the sources.list, apt-get
• Debian, new installation
• Debian, start something at system start
• Firehol
• Linux history with date
• apt-get, proxy
• debian, create swapfile

upgrade Debian to the next major version

• update the system

apt-get update && apt-get -y upgrade && apt-get -y dist-upgrade

• boot your system

shutdown -r now

• Check your current major version number

cat /etc/issue

• Goto https://www.debian.org/releases/ and get the names for your current version and the version you want to change to

9 Stretch
10 Buster

• change the old string to the new string in /etc/apt/sources.list (mind upper-/lowercase)

sed -i 's/stretch/buster/g' /etc/apt/sources.list

• update the system

apt-get update && apt-get -y upgrade && apt-get -y dist-upgrade && apt-get -y autoremove

• boot your system

shutdown -r now

• Check your current major version number

cat /etc/issue

date uses wrong timezone, shows wrong format

timedatectl list-timezones | grep Berlin
timedatectl set-timezone Europe/Berlin

man date
vi ~/.bashrc
alias date='date +'\%F %T'\'

Other

• Debian, E-Mail server
• backup with rsnapshot
• Apache 2
• Installing MediaWiki on Debian

• Debian, Citrix client
• Debian, create self signed SSL certificate
• Icedove, attachment list empty, can't open attachment
• Install mumble server
• Install ncurses for php on Debian
• Jabber server jabberd14
• Oracle developer, Type the full pathname of a J2SE installation
• PHP 5.3 with stable debian
• Upgrade Debian Jessie with MediaWiki to Stretch
• debian, apt-get for qmake/make

sudo

apt-get install sudo
adduser <user> sudo
adduser andreas sudo

User andreas has to relogin for the new group to be enabled.

top

The output of top looks uninteresting and is bad to read. This does not have to be that way. Download Media:Top-config.zip to your home directory, unzip it and hope it does not crash/destroy something in your system. I only tested this with Debian 10.

• download to your home directory
• unzip
• call top

top

I just pressed '?' and tried the things they tell you there. Then I zipped the result.

install c++

sudo apt-get install build-essential manpages-dev libstdc++-8-doc

If libstdc++-8-doc does not exist, check for later versions. libstdc++-9-doc ...