🖥️export

➡️This is a command-line reference manual for commands and command combinations that you don’t use often enough to remember it. This cheatsheet explains the export command with important options and switches using examples.

3 minute read

▁ ▂ ▃ ▄ ꧁ 🔴☠ COMMANDLINE-KUNGFU WITH CHEATSHEETS ☠🔴꧂▅ ▃ ▂ ▁

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#==============================#
# CMD EXPORT
#==============================##==============================#
export LESS='-sCmqPm--Less--(?eEND:%pb\%.)'
# Make less more like more, but still more than more. Percent of file in prompt, etc. 

export LESS="-S -j10 -i"
# This environment variable will invoke 'less' with these options when it is used. Like when viewing a man page.

export HISTSIZE=0
# Life is too short to run the same command twice.

# History in Tag.Monat.Jahr Zeit 
export HISTTIMEFORMAT="%d.%m.%y %T "

export LANG=en_US.UTF-8
export LANGUAGE=en_US.UTF-8
export LC_CTYPE="en_US.UTF-8"
export LC_NUMERIC="en_US.UTF-8"
export LC_TIME="en_US.UTF-8"
export LC_COLLATE="en_US.UTF-8"
export LC_MONETARY="en_US.UTF-8"
export LC_MESSAGES="en_US.UTF-8"
export LC_PAPER="en_US.UTF-8"
export LC_NAME="en_US.UTF-8"
export LC_ADDRESS="en_US.UTF-8"
export LC_TELEPHONE="en_US.UTF-8"
export LC_MEASUREMENT="en_US.UTF-8"
export LC_IDENTIFICATION="en_US.UTF-8"
export LC_ALL=en_US.UTF-8

# coloured shell prompt
# This coloured prompt will show: username in green, grey "@" sign, hostname in red, current directory in yellow, typed commands in green.
export PS1="\e[1;32m\u\e[0m@\e[1;31m\h\e[0m\e[1;33m\w:#> \e[1;32m"

# Get streamed FLV from Chrome with lsof
export psid=$(pgrep -f libflashplayer.so); cp /proc/$psid/fd/$(lsof -p $psid | grep eleted | awk {' print $4 '} | sed -e "s/[a-z]//g") saved.flv
# Explanation: first get the process id of the chome browser process which runs the flashplayer export it to a variable to be used later. Then we get in subshell the filedescriptor which is marked deleted and construct the /proc path for the in memory fileimage and copy it to the file named saved.flv
# Limitations: IMPORTANT: only one video should be open to play in chrome

export PROMPT_COMMAND="[ \$(date +%m%d) -eq "0401" ] && sleep 0.\$((\$RANDOM%7 + 1))" 
# April Fool's prep: Put a little random delay in someone's terminal that will activate only on April 1st.

export ROSEPARITYBIT=0

export REPORTTIME=60
# ZSH, the next logical step for any serious *nix sysadmin.
# Say how long a command took, if it took more than 60 seconds.

export BIN=`which nmap` && sudo setcap cap_net_raw,cap_net_admin+eip $BIN && sudo chown root $BIN && sudo chmod u+s $BIN
# Set pcap & SUID Bit for priv. network programs (like nmap)

#==============================##==============================#
# CMD export						       #
#==============================##==============================#

Cheatsheets are an excellent complement to other information sources like Linux man-pages, Linux help, or How-To’s and tutorials, as they provide compact and easily accessible information. While man-pages and detailed tutorials often contain comprehensive explanations and extensive guides, cheatsheets summarize the most important options forthe command export in a clear format. This allows users to quickly access the needed information for export without having to sift through lengthy texts. Especially in stressful situations or for recurring tasks, cheatsheets for export are a valuable resource to work efficiently and purposefully.

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