Linux - A better .bashrc for root - Revision history

Tinker at 19:39, 16 May 2022

2022-05-16T19:39:14Z

← Older revision		Revision as of 15:39, 16 May 2022
Line 1:		Line 1:
	In your root users home directory (generally <code>/root</code>), there should be a file named <code>.bashrc</code>. If not, you can create it from scratch.		In your root users home directory (generally <code>/root</code>), there should be a file named <code>.bashrc</code>. If not, you can create it from scratch.

	The following is what I tend to put in that file. It has a few extras that the defaults generally don't. These are intended to make life easier.		The following is what I tend to put in that file. It has a few extras that the defaults generally don't. These are intended to make life easier.

	One thing in particular is the RED prompt colouring. Just to remind you when you're logged in as root & capable of completely destroying your system inadvertently.		One thing in particular is the '''<span style="color: rgb(224, 62, 45);" >RED</span>''' prompt colouring. Just to remind you when you're logged in as root & capable of completely destroying your system inadvertently.

	<syntaxhighlight lang="bash" line>		<syntaxhighlight lang="bash" line>
Line 12:		Line 12:
	# If this is an xterm set the title to user@host:dir		# If this is an xterm set the title to user@host:dir
	case "$TERM" in		case "$TERM" in
	xterm\|rxvt)		xterm{{!}}rxvt)
	PS1="\[\e]0;${debian_chroot:+($debian_chroot)}\u@\h: \w\a\]$PS1"		PS1="\[\e]0;${debian_chroot:+($debian_chroot)}\u@\h: \w\a\]$PS1"
	;;		;;
Line 21:		Line 21:
	# set a fancy prompt (non-color, unless we know we "want" color)		# set a fancy prompt (non-color, unless we know we "want" color)
	case "$TERM" in		case "$TERM" in
	xterm-color\|*-256color) color_prompt=yes;;		xterm-color{{!}}*-256color) color_prompt=yes;;
	esac		esac

Tinker at 19:38, 16 May 2022

2022-05-16T19:38:40Z

← Older revision		Revision as of 15:38, 16 May 2022
Line 1:		Line 1:
	<~~span~~ ><code ~~class="mwt-code"~~ ></code></~~span~~>		In your root users home directory (generally <code>/root</code>), there should be a file named <code>.bashrc</code>. If not, you can create it from scratch.

	~~# ~/~~.~~bashrc: executed by bash(1) for non-login shells~~.		The following is what I tend to put in that file. It has a few extras that the defaults generally don't. These are intended to make life easier.

	~~<span ><code class="mwt-code" ></code></span>~~		One thing in particular is the RED prompt colouring. Just to remind you when you're logged in as root & capable of completely destroying your system inadvertently.

	<~~br>PS1='${debian_chroot:+($debian_chroot)}\[\033[01;31m\]\u@\h\[\033[00m\]:\[\033[01;34m\]\w\[\033[00m\]\$ '~~		<syntaxhighlight lang="bash" line>
			# ~/.bashrc: executed by bash(1) for non-login shells.
	~~<span ><code class~~="~~mwt-code~~" >~~</code></span>~~

	~~<br>~~# ~~If this is an xterm set the title to user@host:dir<br>case "$TERM" in<br>xterm{{!}}rxvt)<br>    PS1="\[\e]0;${debian_chroot~~:+(~~$debian_chroot~~)~~}\u@\h: \w\a\]$PS1"<br>    ;;<br>*)<br>    ;;<br>esac~~

	~~<span ><code class="mwt-code" ></code></span>~~

	~~<br># set a fancy prompt (~~non-~~color, unless we know we "want" color)<br>case "$TERM" in<br>    xterm-color{{!}}*-256color) color_prompt=yes;;<br>esac~~

	~~<span ><code class="mwt-code" ></code></span>~~

	~~<br># umask 022~~

	~~<span ><code class="mwt-code" ></code></span>~~

	~~<br># You may uncomment the following lines if you want `ls' to be colorized:<br> export LS_OPTIONS='--color=auto'<br> eval "$(dircolors)"<br> alias ls='ls $LS_OPTIONS'~~

	~~<span ><code class="mwt-code" ></code></span>~~

	~~<br># some handy ls aliases<br>alias ll='ls -lAh'<br> alias l='ls -lA'<br>alias la='ls -A'<br>alias lf='ls -F'~~

	~~<span ><code class="mwt-code" ></code></span>~~

	~~<br># Some more alias to avoid making mistakes:<br># alias rm='rm -i'<br># alias cp='cp -i'<br># alias mv='mv -i'~~

	~~<span ><code class="mwt-code" ></code></span>~~

	~~<br># don~~'~~t put duplicate lines or lines starting with space in the history.<br># See bash~~(1) ~~for more options<br>HISTCONTROL=ignoreboth~~		PS1='${debian_chroot:+($debian_chroot)}\[\033[01;31m\]\u@\h\[\033[00m\]:\[\033[01;34m\]\w\[\033[00m\]\$ '

	~~<span ><code class~~="~~mwt-code~~" ~~></code></span>~~		# If this is an xterm set the title to user@host:dir
			case "$TERM" in
			xterm\|rxvt)
			PS1="\[\e]0;${debian_chroot:+($debian_chroot)}\u@\h: \w\a\]$PS1"
			;;
			*)
			;;
			esac

	~~<br>~~# ~~append to the history file~~, ~~don't overwrite it<br>shopt~~ -~~s histappend~~		# set a fancy prompt (non-color, unless we know we "want" color)
			case "$TERM" in
			xterm-color\|*-256color) color_prompt=yes;;
			esac

	~~<span ><code class="mwt-code" ></code></span>~~		# umask 022

	~~<br>~~# ~~for setting history length see HISTSIZE and HISTFILESIZE in bash~~(1)~~<br>HISTSIZE=1000<br>HISTFILESIZE~~=~~2000~~		# You may uncomment the following lines if you want `ls' to be colorized:
			export LS_OPTIONS='--color=auto'
			eval "$(dircolors)"
			alias ls='ls $LS_OPTIONS'

	~~<span ><code class~~=~~"mwt~~-~~code" ></code></span>~~		# some handy ls aliases
			alias ll='ls -lAh'
			alias l='ls -lA'
			alias la='ls -A'
			alias lf='ls -F'

	~~<br>~~# ~~check the window size after each command and, if necessary,<br>~~# ~~update the values of LINES and COLUMNS.<br>shopt~~ -~~s checkwinsize~~		# Some more alias to avoid making mistakes:
			# alias rm='rm -i'
			# alias cp='cp -i'
			# alias mv='mv -i'

	~~<span ><code class~~=~~"mwt-code" ></code></span>~~		# don't put duplicate lines or lines starting with space in the history.
			# See bash(1) for more options
			HISTCONTROL=ignoreboth

			# append to the history file, don't overwrite it
			shopt -s histappend

			# for setting history length see HISTSIZE and HISTFILESIZE in bash(1)
			HISTSIZE=1000
			HISTFILESIZE=2000

	~~<code class="mwt~~-~~code" >~~</~~code~~>		# check the window size after each command and, if necessary,
			# update the values of LINES and COLUMNS.
			shopt -s checkwinsize
			</syntaxhighlight>

Tinker: Created page with " # ~/.bashrc: executed by bash(1) for non-login shells.
PS1='${debian_chroot:+($debian_chroot)}\[\033[01;31m\]\u@\h\[\033[00m\]:\[\033[01;34m\]\w\[\033[00m\]\$ '
# If this is an xterm set the title to user@host:dir
case "$TERM" in
xterm{{!}}rxvt)
PS1="\[\e]0;${debian_chroot:+($debian_chroot)}\u@\h:..."

2022-05-16T19:31:14Z

Created page with "<code class="mwt-code" ></code> # ~/.bashrc: executed by bash(1) for non-login shells. <code class="mwt-code" ></code> PS1='${debian_chroot:+($debian_chroot)}\[\033[01;31m\]\u@\h\[\033[00m\]:\[\033[01;34m\]\w\[\033[00m\]\$ ' <code class="mwt-code" ></code> # If this is an xterm set the title to user@host:dir case "$TERM" in xterm*{{!}}rxvt*) PS1="\[\e]0;${debian_chroot:+($debian_chroot)}\u@\h:..."

New page

<code class="mwt-code" ></code>

# ~/.bashrc: executed by bash(1) for non-login shells.

<code class="mwt-code" ></code>

 PS1='${debian_chroot:+($debian_chroot)}\[\033[01;31m\]\u@\h\[\033[00m\]:\[\033[01;34m\]\w\[\033[00m\]\$ '

<code class="mwt-code" ></code>

 # If this is an xterm set the title to user@host:dir case "$TERM" in xterm*{{!}}rxvt*)     PS1="\[\e]0;${debian_chroot:+($debian_chroot)}\u@\h: \w\a\]$PS1"     ;; *)     ;; esac

<code class="mwt-code" ></code>

 # set a fancy prompt (non-color, unless we know we "want" color) case "$TERM" in     xterm-color{{!}}*-256color) color_prompt=yes;; esac

<code class="mwt-code" ></code>

 # umask 022

<code class="mwt-code" ></code>

 # You may uncomment the following lines if you want `ls' to be colorized:  export LS_OPTIONS='--color=auto'  eval "$(dircolors)"  alias ls='ls $LS_OPTIONS'

<code class="mwt-code" ></code>

 # some handy ls aliases alias ll='ls -lAh'  alias l='ls -lA' alias la='ls -A' alias lf='ls -F'

<code class="mwt-code" ></code>

 # Some more alias to avoid making mistakes: # alias rm='rm -i' # alias cp='cp -i' # alias mv='mv -i'

<code class="mwt-code" ></code>

 # don't put duplicate lines or lines starting with space in the history. # See bash(1) for more options HISTCONTROL=ignoreboth

<code class="mwt-code" ></code>

 # append to the history file, don't overwrite it shopt -s histappend

<code class="mwt-code" ></code>

 # for setting history length see HISTSIZE and HISTFILESIZE in bash(1) HISTSIZE=1000 HISTFILESIZE=2000

<code class="mwt-code" ></code>

 # check the window size after each command and, if necessary, # update the values of LINES and COLUMNS. shopt -s checkwinsize

<code class="mwt-code" ></code>

<code class="mwt-code" ></code>