.bashrc is the primary configuration file for the bash shell.

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9
votes
2answers
238 views

How can I create a local function in my bashrc?

My .bashrc had some code that was repetitive so I used a function to simplify it do_stuff() { local version=$1 export FOO_${version}_X="17" export FOO_${version}_Y="42" } do_stuff '5.1' ...
24
votes
3answers
589 views

Multicolored Grep

I'm trying to get each grep command to highlight it's results in a different color. I can do it manually with a line like this: ls -l GREP_COLORS='mt=01;32' grep c | GREP_COLORS='mt=01;31' grep o | ...
7
votes
3answers
141 views

In shell config scripts, how can I account for differences between coreutils on BSD compared to GNU?

Up until this month, my shell configs have been pretty simple (just a .bashrc or .bash_profile with some aliases mainly), but I have been refactoring it so I can get different behavior depending on ...
5
votes
2answers
119 views

How to report time and other information on all bash commands? [duplicate]

Most of the things I run in the terminal take a long time to compute and I would like to have bash output a time report at the end of every command entered into the terminal. Is there something I can ...
1
vote
2answers
335 views

.bashrc execute command after “/bin/bash --login”

I have this alias in my .bashrc: alias s='cd ~/Documents/projects/s && /bin/bash --login && rvm use ruby-1.9' How can I execute the right part after it enters login shell (/bin/bash ...
1
vote
1answer
487 views

How do I track down the source of a ssh login message?

I installed mailutils on my linux machine with Linux Mint 15 (basically Ubuntu 13.04). When I log in, I get the following: Welcome to Linux Mint 15 Olivia (GNU/Linux 3.8.0-32-generic i686) Welcome ...
2
votes
3answers
694 views

SSH parameter to ignore .bashrc script

I have a server which when it starts, a line in .bashrc executes the following command /bin/watch ~/checker.bash which as expected watches that command upon server start. I also have a client which ...
0
votes
1answer
36 views

Unexpected output after switch to root

Does somebody know, why I get -ne (probably param from echo from section of setting PROMPT_COMMAND line 23) after I switch to root? Here is my /etc/bashrc. Bash 3.2.51, OS X 10.9 ...
5
votes
1answer
126 views

Change the location of .bashrc

Is it possible to change the location of .bashrc from /home/orhanc/.bashrc to some other directory?
2
votes
2answers
1k views

HISTTIMEFORMAT modification. In /etc/bash.rc or /etc/profile? [duplicate]

I'd like to add the date/time to the output of the history command in CentOS/RHEL 6. I would like this to apply to all users on the machine by default. This itself is easy. It seems to just be a case ...
1
vote
1answer
255 views

Can't get golang working on Fedora 19

I've installed the golang package on Fedora 19. Go also needs the the GOPATH variable. I added to my ~/.bashrc: GOPATH=$HOME/.go/ But go env didn't see it (after the source ~/.bashrc): ...
1
vote
1answer
408 views

Aliases in scripts are not set globally

I know this sound really wierd but this is exactly what happens. I have my .profile and .bashrc file set up in a way that the .bash_aliases file gets executed (checked it with a echo). I do not get ...
4
votes
2answers
274 views

How do I execute a command on login for a system user with no home folder and no personal .bashrc file?

I set these users' home folders through the /etc/passwd file, but when they log in I would like them to activate a python virtualenv. If they had a personal .bashrc file, I'd just include the activate ...
3
votes
2answers
834 views

Bash doesn't read .bashrc unless manually started

bash won't source .bashrc from an interactive terminal unless I manually run bash from a terminal: $ bash or manually source it: $ source ./.bashrc or running: $ st -e bash Here's some useful ...
13
votes
2answers
356 views

bash_history: comment out dangerous commands: `#`

To prevent logging "dangerous" commands in bash history, I have added following line to my .bashrc file: HISTIGNORE='rm *:mv *:cp *:cat*>*:pv*>*' this works well, but it has a side effect: I ...
0
votes
0answers
222 views

Emacs alternate editor client server start

How can I get Emacs to start in server mode with the alternate editor? From this conversation, I was able to enable the server with the alternate editor. However, I just re-installed emacs and I am ...
3
votes
4answers
556 views

Bash aliases/functions and command line options

I want to set an alias to start nedit together with command line option -noautosave (due to text files up to 500MB). What seemed to be easy: alias nn="nedit -noautosave $1 &" just raises some ...
1
vote
2answers
498 views

Adding to PS1 in bash_profile

In my .bash_profile currently, I have PS1='\[\e[1;91m\][\u@\h \w]\$\[\e[0m\] '. I am trying to follow these commands to show branch name on iTerm terminal. I changed my PS1='\[\e[1;91m\][\u@\h ...
5
votes
4answers
447 views

Why no shebang in .bashrc/.bash_profile?

Simple inquiry: I have just realized that I have never seen a shebang on top of a .bashrc script, which leads me to think the system uses the default shell to source it upon login (${SHELL}). I am ...
0
votes
2answers
338 views

scp from remote host fails due to login greeting set in .bashrc [duplicate]

My simple file scp from a remote host (actually a locally run VM but that shouldn't matter) failed without displaying any error message but clearly not having copied the desired file: scp ...
2
votes
3answers
191 views

sudo command after long sleep call without re-prompting sudo password

I'm trying to write a simple bash function that sleeps X-number of mins and then runs a system sleep command (for me it's sudo pm-suspend since I'm on Ubuntu) right now the function looks like this: ...
7
votes
3answers
1k views

How to tell if terminal session is running within screen

When running a bash script, I would like to be able to tell if it is running within a screen. Is this possible? I want this so that .bashrc can set the colour of the command prompt depending on ...
3
votes
2answers
140 views

How to make .bashrc call dependant on tmux program being installed?

I have a section in my .bashrc that fires up the tmux program (terminal multiplexor). However if the tmux program isn't installed (say I'm setting up a new computer) then having this in my .bashrc ...
0
votes
2answers
592 views

Redirect all stderr of a console and subsequent commands to a file [duplicate]

I know how to redirect stderr to a file or to the stdout when I issue a command: command 2 > log or command 2 > &1 or even command 2 > &1 > /dev/null. However, I want to redirect ...
3
votes
2answers
246 views

How can I use aliases in commands?

I have created aliases in my .bashrc for various frequently used long paths but I can not seem to be able to use them inside vim or with commands such as find or grep. E.g the following: db in cli ...
0
votes
3answers
94 views

I need to turn a series of commands piped together into an alias in .bashrc

sudo ifconfig wlan0 | grep 'inet addr:' | cut -d: -f2 | awk '{ print $1}' The above command when run from terminal outputs the right "internal" ip address. When I try to pass as alias like: alias ...
2
votes
2answers
117 views

Color PS1 based on previous command output [duplicate]

I have my current PS1 as follows. The $? output is really useful (second line). export PS1="\ ${PSOn_Blue}${PSBWhite}\t\ ${PSColor_Off} \$?\ ${PSColor_Off}${PSBGreen} \u\ ${PSColor_Off}${PSWhite}@\ ...
1
vote
0answers
31 views

why bash history overlap the prompt when scroll up in the history? [duplicate]

I customized my bash prompt, PS1 value. ~/.bashrc: Color_Off='\e[0m' # Text Reset BGreen='\e[1;32m' # Green BPurple='\e[1;35m' # Purple BWhite='\e[1;37m' # White ...
2
votes
0answers
402 views

.bashrc alias not working [closed]

I have set up a few aliases in my .bashrc file, like the following: alias ras='rails server' alias res='redis-server' alias rc='rails console' alias be='bundle exec' # git alias's are as follows ...
1
vote
3answers
152 views

In bash, how can I erase an alias without logout? [duplicate]

I had an alias in my .bashrc and I really don't want it anymore. I erased the alias, but my bash already has this alias loaded. Can I erase this alias from this bash without logging out?
4
votes
1answer
97 views

Keep two bash history files, one with ignoredups, one with everything

For the purposes of looking at which commands I am using the most, I'd like to keep a record of command I type in my bash history (even duplicates). But, for sanity and ease of use, I still want to ...
2
votes
1answer
3k views

How to colorize “root” in red in CentOS?

This is the content of /etc/bashrc, I would like to modify it for show "root" as red but don't know where to add the color code. # /etc/bashrc # System wide functions and aliases # Environment stuff ...
0
votes
1answer
106 views

Is it possible to change shell using bashrc when assigned a nologin default shell?

i have assigned a /sbin/nologin shell to a user while creating that user (specifying -s option in useradd), if this user logs in using SFTP and changes his .bashrc file, will he be able to change his ...
8
votes
1answer
1k views

How can I change screen's hardstatus color based on the logged in user?

I haven't edited/created a .screenrc file in a while, but this is what I'm currently using: # Turn off the screen startup message startup_message off # Define format of bottom ...
1
vote
1answer
4k views

sftp gives an error: “Received message too long” and what is the reason?

I was able to do sftp yesterday to a RHEL 5.4 box (RedHat) and today I can't. The message is "Received message too long 778199411", and after some investigation, it was due to my RHEL box's .bashrc ...
2
votes
2answers
1k views

What is the difference between '.' and 'source' in shells? [duplicate]

Possible Duplicate: running script with “. ” and with “source ” I have used both the dot command '.' and 'source' to reload a given rc file (typically to update my environment variables) ...
4
votes
4answers
2k views

execute bash script inside .bashrc

Hi I am curious if it is possible to execute a bash script inside bash rc. It would seem to create a infinite loop unless there was some way to tell it to not try and start a new shell. Here is an ...
0
votes
1answer
622 views

Login script for bash not loading

I am very confused about the login script for bash. I have always used ~/.bash_profile to configure my bash shell. Now I am on a new system just as a user: I am not root. This system was originally ...
4
votes
1answer
338 views

View shell function's current definition

So I am editing bashrc constantly, and I have a terminal open with a working function definition, although bashrc has been updated with a wrong function definition. (Because the definition do not ...
2
votes
1answer
229 views

How to make a permanent variable

In terminal: VAR="Extremely long and often used command" echo $VAR Output: Extremely long and often used command So far it works fine, but after restarting a terminal my variable doesn't ...
5
votes
3answers
640 views

Run ssh login command without modifying remote .bashrc

We have a bunch of servers set up with set -o vi in their ~/.bashrc. It would be nice to be able to ssh into these boxes and automagically run set -o emacs as a timesave. I've seen a solution ...
0
votes
1answer
520 views

Bash script for Angstrom

I have written a bash script to automate cross-compiling an OpenCV program: echo "Compiling started for: $1" if [[ $1 == *.c ]] then gcc -ggdb `pkg-config --cflags opencv` -o `basename $1 .c` $1 ...
2
votes
1answer
136 views

How to link different (incompatible) libraries at runtime depending on program?

I have a number of legacy codes that need to be compiled with specific (and often conflicting) libraries. To be specific I have a program which can only be compiled with g77 and another program which ...
2
votes
3answers
285 views

What is the difference between ./script and . ./script? [duplicate]

Possible Duplicate: Using ‘.’ to execute files in bash I was trying to figure out how to export my environmental via script instead of changing my .bashrc file. I found this old useful ...
6
votes
3answers
2k views

Added bin directory to my path, can't execute commands in it with 'sudo command'

I made a bin directory in my home folder where I place all my scripts. Then in my .bashrc I added the following: export PATH=$PATH:/home/myusername/bin So I could access files I placed in there ...
11
votes
5answers
597 views

How to test for possible conflicts while using alias in bashrc?

Is there a simple way to list all the command conflicts that have occurred in the system due to the bashrc update involving alias commands? For example, someone writes alias ...
5
votes
2answers
7k views

What is the difference between interactive shells, login shells, non-login shell and their use cases? [duplicate]

Possible Duplicate: Difference between Login Shell and Non-Login Shell? I have been looking at /etc/profile. bash.bashrc to see how they are run, and notice that some are executed by ...
4
votes
2answers
5k views

Global bash_profile

I realize there are /etc/profile and /etc/bashrc files for setting global environment variables and maybe I'm just misunderstanding their purposes, but... Is their a global bash_profile file? This ...
4
votes
1answer
2k views

Problems with automatically starting screen on SSH login

I'm looking at http://taint.org/wk/RemoteLoginAutoScreen to setup my server so it autostarts a screen session when I login via SSH. I have added the following to my .bashrc: # Auto-screen ...
2
votes
2answers
122 views

Is there any way I can fit this into my ~/.bashrc as a function?

I just discovered this useful bit of code on this useful-looking website. #!/bin/sh exec tclsh "$0" ${1+"$@"} proc main {} { set lines [lrange [split [read stdin] \n] 0 end-1] set count ...