Questions tagged [bashrc]
The Bashrc file is used by the Bourne Again Shell in Unix/Linux to set environment variables and run commands.
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su command not set BASH_VERSION value and not load profile
I have a Ubuntu 20.04 LTS server version and have a strange problem creating a new user and use it in the shell from a ssh connection. The steps to reproduce it:
Use he root account to create new ...
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1
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Why is my bash script not being sourced when opening new tmux pane?
The following logic in .bash_aliases to remove duplicate paths works fine when opening a new terminal:
# prune duplicate paths
PATHS=("PATH" "LD_LIBRARY_PATH" "C_INCLUDE_PATH&...
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1
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81
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Refresh kerberos ticket instead of prompting for pam password
Using centralised auth against FreeIPA is working great. In order to use Kerberos SSO when using ssh, scp etc from jumphosts users must initiate their Kerberos tickets first with kinit. I've added ...
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2
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Use original linux user bashrc also as root user
I extended the bashrc file of my linux user. This file contains extra aliases, functions, whatever is useful. It's synchronized with a playbook across our 100+ servers.
When i'm working on linux I ...
2
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1
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sourcing environment variable in bashrc: directly vs export from file yields different result - why
I am running systemd via user (i.e. enable-linger $USER) and I interact with services via systemctl --user
I noticed a strange issue.
Sourcing Type 1
In order for the above systemd to work for a user, ...
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1
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380
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How to Make the IP Address Appear as Part of Bash Prompt?
Running an Amazon EC2 instance with Ubuntu 22.04. The elastic ip address is 52.120.94.72.
I want the bash prompt to read like this (no space)
[email protected]:~/working_directory$
Based on some ...
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1
answer
663
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Starting Directory for Bash
I've a Docker container running. I connect to the container using a command like:
docker exec -it container_name bash
This logs in as root at /var/www/html. I want to know why this directory, and how ...
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3
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Saving the date to actual bash history file
When adding "HISTTIMEFORMAT" to bashrc, the timestamps of when a command was executed are made available when running the "history" command.
But the timestamps themselves are not ...
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3
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Ubuntu 20.04: su command bash-autocomplete stopped working
I am using Ubuntu 20.04. The su autocomplete stopped working. For example when I type:
su TabTab
It lists the files and directories of the current directory, where as it should list the available ...
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1
answer
2k
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How to set a command alias that will be respected in a shebang
I run multiple versions of PHP on my Linux server. I've added an alias in my bashrc to point the php command to a specific version alias php='/usr/bin/php7.3'.
This works as expected when I execute a ...
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Custom bash prompt failing when home directory is remote
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I am trying to configure a custom prompt for RHEL 8 users. It works very nice when the users have local home directories.
However, I'm mounting home directories via pam_mount (nfs4). When ssh'ing to ...
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Exclude or Include certain profile lines during a tmux session start
In my .bash_profile, I have a line to start tmux only if it is present on the system with:
[ -z $TMUX ] && export TERM=xterm-256color && exec tmux
In a similar vein, I would like to ...
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1
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assigning aliases in .bashrc via echo '...' >> .bashrc
running cat .bashrc gives me these two lines at the end:
alias remove='rm -i'
alias chamber='ls -a -i -l'
when I run
remove
followed by a file name I get a successful removal with confirmation ...
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2
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Global use of 'aliases' on Debian 10
I've been trying to add global use of aliases on my Debian 10 instance with no luck.
What I've already attempted is adding my aliases to /etc/bash.bashrc as well as adding this snippet to /etc/profile ...
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Aliasing Server Name in SSH Command [closed]
This may be trivial, but I am not sure how do it safely and optimally.
I have a few servers (AWS EC2) into which I ssh from the bash. Those server names are long.
How can I alias them, so instead of ...
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/etc/profile, /etc/bash.basrc, ~/.profile, ~/.bashrc are not read
I am a running "Ubuntu 16.04.6 LTS" Linux.
I've installed/upgrade some packages, but i do not remember exactly which packages.
Since this operation, i have lost ls coloration for all users ...
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How to auto init direnv on Google Cloud Shell?
my .bashrc has these lines at the bottom:
if [ -f $HOME/tools/bashrc ]; then
source $HOME/tools/bashrc
fi
and $HOME/tools/bashrc has this code at the bottom:
eval "$(pyenv init -)"
pyenv ...
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1
answer
468
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Global Bash Completion Scripts
I have a Bash completion script. Is there a place I can put it on my system, so that it will be automatically source-ed for any user that uses a Bash shell?
I would prefer a solution that does not ...
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2
answers
239
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How to rename system commands e.g., shutdown in Ubuntu Linux
While working on redis server, I come to know there is an option to rename you scracy command to avoid accidental update. Is there any option for bash i.e., Ubuntu Linux especially shutdown, rm and ...
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~/.bashrc is NOT sourced on ssh 'command'
At the end of .bashrc I added:
touch /tmp/bash_noninteractive_test
Run:
/usr/bin/ssh -v -C [email protected] 'ls'
On the host (logged in interactively before):
% ls -l /tmp/bash_noninteractive_test
...
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2
answers
2k
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Displaying complete host name when login to linux
How can I display hostname along with user when I login to Linux machine? Now I can see only part of host name where I could not able to identify the server name. would like to display as below;
For ...
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1
answer
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Source bash.rc / aliasses from external file (LEMP)
I'm running several LEMP VMs with mostly identical setups. Each of these VMs has a /etc/profile.d/00-aliases.sh containing a bunch of aliasses and functions to run on the server.
Now, whenever I make ...
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0
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How to tell screen use use different bash_profile?
How can I tell to screen to use different bash_profile? Problem is we use a technical user to log in, but I edited a custom PS1.
Normally I login with putty like:
ssh user@host -t "bash --rcfile ~/....
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3
answers
465
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Bash commands not found after syntax error
I'm running into an issue where running common bash commands (e.g. ls, mv, rsync, vi) on an Ubuntu 14.04.5 LTS results in something like this:
bash: rsync: command not found.
When I ssh in I get ...
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1
answer
1k
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How can I apply "shopt -s extdebug" to my shell by default?
I am trying to build a pre-exec checker in bash (using bash-preexec.sh)
In order to fail the command when the pre-exec hook fails, I need to run shopt -s extdebug (which fails the command when trap ...
3
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1
answer
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Scripts in /etc/profile.d are being executed twice on login
Background Info:
I am trying to configure a Linux server running CentOS 7 for multiple users. After installing java I want to globally set the $JAVA_HOME environment variable for all users and add it ...
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0
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Linux environment variable setting issue in cluster from single point
I have a cluster of few machines. I have to control all configuration from single system. For that I have decided to used .bashrc in Centos 7 servers (I push same .bashrc in each system via rsync from ...
4
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2
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ansible-playbook not able to use .bashrc env variables
I'm using ansible-playbook to deploy my django application to Ubuntu servers. I'm storing my django environment variables in .bashrc file of the user ubuntu in the server. But my ansible-playbook is ...
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How to export a file to another user's bash while logging in via SSH (using Putty) to RHEL?
I am running RHEL 7.3, however the procedure may be similar on other Linux systems.
I have logged in as root. I have a file called openrc which is full of lines like export OS_IDENTITY_API_VERSION=3....
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Where does the bash PATH on CentOS 7 get /usr/local/bin from?
I've just spun up a brand new CentOS 7 VM (bash version 4.2.46) with Vagrant using the centos/7 box, and when I'm logged in as the vagrant user, this is my PATH:
/usr/local/bin:/usr/bin:/usr/local/...
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3
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592
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Enable confirmation for commands with force flag
Is there any option to enable confirmation for the rm -rf . We had an alias setup for rm=rm -i so whenever we delete a file it asks for confirmation but when -f flag is supplied it will not asks for ...
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Convenient date/time stamping console interaction e.g. using shell aliases?
So, I often find that I really want to know when I started a process (or script) after I discovered that it was taking ages.. meaning I couldn't pre-pend date before and after it on the command line (...
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1
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298
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Logout user if they break a bashrc command
I'm running a small script when a user accesses my Linux host via SSH. This script should verify and/or set up Google Authenticator MFA access for the user.
Right now it works as intended with one ...
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2
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Running a bash script from systemd as if I logged in
I have a service implemented as a Bash script. Inside it's actually a node.js application, but it could be anything for the purposes of this question.
The basic use case is that we develop/debug the ...
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2
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1k
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'source .bash_profile' fails but 'source path/to/.bash_profile' works
I am trying to source my .bashrc file on remote host inside sudo-less user. I am getting following responses.
sh-4.2$ source .bash_profile
sh-4.2$ source: .bash_profile: file not found
sh-4.2$ ...
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1
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How to define envrionment variables accesisble by crontab's run and bash shell
I want to define environment variables in one place which will be accessible through different user's crontabs, and from bash shell running.
How can I write it once in one place to be accessible to ...
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0
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599
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Why my profile looks for /usr/local/etc/profile.global (NIS)
My Ubuntu ID is manged by NIS/yellowpage. For some reason, when I log in, I'm getting this message.
cat@local:~$ ssh catserver
cat@catserver's password:
Welcome to Ubuntu 15.10 (GNU/Linux 4.2.0-25-...
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2
answers
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printing user of subshell obtaining root via su -
Can I print the username which is obtaining root access via su - on the root console upon obtaining root?
user1$ su -
password:
obtained root via user1
#
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4
answers
11k
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bashrc not loaded in /bin/bash shell
When I ssh into a server (4.3.3-2-ARCH), my .bashrc is not loaded (however, I can load it manually by sourcing it).
I don't have any other files in my home folder, like .profile. The shell is also ...
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3
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339
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Best Practice to obscure path to keypair in bash_profile?
I have dotfiles saved in a public github repo, which include the path to my aws keys, which seems like a terrible thing waiting to happen.
So it's like this:
function superssh { ssh user@something -...
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3
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RBASH how to prevent users exiting to normal bash?
I have set up some test account to beta implement rbash to limit users from doing to much on the server. Currently I am using .bash_profile to set bash -r for these profiles. But when a user types ...
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1
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4k
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Can't use functions exported from .bashrc in a bash script
My .bashrc file exports a function called lookup:
lookup() {
grep -r -ne "$1" * | grep -v "TAGS:" | grep -v "tags:"
}
export -f lookup
I can use that function in a shell. But if I put it in a ...
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2
answers
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Setting systemwide environment variables which are read when a shell is started
What's the preferred way to set environment variables for all users (on Ubuntu) such that the new variables are read whenever a new shell/terminal is started? Presently, we're using a file in /etc/...
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How to protect from dangerous bash commands? [closed]
When using bash with or without sudo there are many traps. For example when logged in as root between
rm -rf ~/bin
and
rm -rf /bin
there is just one character but this difference can make you ...
1
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2
answers
1k
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User created with useradd instead of adduser loads a wrong Prompt
I've designed my bash prompt like this \u@\h>
When i now create the User example with adduser, my prompt looks like example@host>
But when i create a User with useradd, my prompt looks like \u@\...
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0
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Sudoers, allow user to use root alias
Actually, my root have to aliases:
alias unpool='/path/to/my/scripts/unpool.sh'
alias pool='/path/to/my/scripts/pool.sh'
I have the same for my user in ~/.bashrc
I defined my /etc/sudoers.d/user ...
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6
answers
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Straight forward way to run ssh-agent and ssh-add on login via SSH?
I'm trying to have the following commands be auto-executed when I login to my server via ssh:
ssh-agent /bin/bash
ssh-add ~/.ssh/id_rsa
My ssh key has a passphrase and I'm fine with entering it once ...
1
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1
answer
503
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Should I be adding aliases to /etc/profile instead of /etc/basrhc?
I've been adding them to /etc/basrhc, and that works most of the time.
But I noticed that when I su to another user, I lose all my aliases.
It turns out that /etc/bashrc is only loaded when the ...
0
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1
answer
737
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Bashrc function called ssh doesn't work
I created a function in my bashrc file so that when i ssh into something it automatically opens a tmux session.
function ssht () {
/usr/bin/ssh $@ -t 'tmux a || tmux || /bin/bash'
}
This ...
0
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1
answer
1k
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Where is this bash shell alias being configured?
While logged in as root onto a CentOS 6.5 system, I run
># alias
alias cp='cp -i'
alias l.='ls -d .* --color=auto'
alias ll='ls -l --color=auto'
alias ls='ls --color=auto'
alias mv='mv -i'
alias ...