Questions tagged [bash-history]
Refers to the history of commands that have been run previously in Bash.
88
questions
1
vote
1answer
48 views
bash history: can't retrieve commands/commands not saved [duplicate]
I suddenly got a problem with my bash history. When I type history, it only shows:
1 history
I tried following commands:
set -o | grep history
echo $HISTFILE
echo $HISTSIZE
echo $HISTFILESIZE
and ...
0
votes
0answers
43 views
Find the history of all commands entered in a specific location in terminal
Is there a way that I could find history of all commands (or 100 most recent commands) that were entered in a specific directory?
For example, imagine I am in mona@goku:~/research/code/phosa/external/...
0
votes
0answers
18 views
How I make my gnome terminal show my bash_history while I type? [duplicate]
Is there a way to make my gnome terminal show the previously typed commands as I type i the terminal?
0
votes
1answer
60 views
use the terminal without making history
I use a shared Ubuntu computer at the local Makerspace. looking at history I can see some times where I sshd into a remote host... I kinda wish I hadn't done that from here. I am able to run history -...
0
votes
0answers
23 views
Recalling command history [duplicate]
I know about the history command and Ctrl+R and !, but there is still something I find frustrating when working with bash.
Let's say I start typing "ssh username@serv" and then I've just ...
0
votes
0answers
63 views
How do I prompt for yes or no before writing to bash history? [duplicate]
My use case is that I just want to save the command in the bash history after the confirmation. I need something like "Would you like to save this command in bash history" after the command ...
2
votes
1answer
112 views
What to do after entering sudo password as plain text into terminal?
A few days ago i entered my sudo password (and hence my root password) into the terminal as plain text by mistake.
I wanted to change my password, but forgot to enter the passwd command, and only ...
0
votes
0answers
39 views
View history of terminal and all the details of perticular command
I know how to see history of command that we run on terminal by using {history} command
To check perticular no. Of command we run !
Now lets say I ran some other stuff in that command, example for ...
2
votes
0answers
25 views
How can i write only the latest commands to ~/.bash_history file? [duplicate]
my ~/.bash_history file keeps record of all the commands i've typed. can i not put only the latest commands that i've typed from the start of terminal so that it always show me the recently typed ...
3
votes
1answer
103 views
lines starts with # and integers in .bash_history
I see lines contains #1582696021 . Whats is this? In SIEM we use it seems like a command running by user.
Any help or documentation would be appreciated.
Best
0
votes
2answers
128 views
No history and path/bash completion on some systems
For some reason, I don't have a history of commands in the terminal and neither can I complete paths or commands. Pressing arrows also show symbols like ^[[D and ^[[C.
The shell is bash and .bashrc ...
7
votes
1answer
633 views
How to prevent saving bash commands *with* space in front
I read that, in order to not save bash commands to .bash_history, you put a space in front. This worked on all my embedded Linux PCs but not on my desktop with Ubuntu 18.04 LTS. I just thought it was ...
1
vote
1answer
118 views
How can I test if there are entries in the terminal command history in bash?
I'm still quite new to bash scripting and I need a very simple script that, if there is command history, displays it, and, if there isn't, informs the user that there is no command history.
What I ...
8
votes
2answers
2k views
How to see time in ~/.bash_history file
I added time to the ~/.bashrc file, so now it shows me time when I execute history command like this:
376 04/10/19 20:39:52 sudo cat ~/.bash_history
377 04/10/19 20:40:04 date
378 07/10/19 ...
1
vote
2answers
6k views
clear terminal cache [duplicate]
I need to clear the terminal cache, I have tried with history -c but it clears the cache in that terminal session, but if I open another session and type history it shows all the previous commands.
0
votes
1answer
188 views
Prevent admins from disabling bash history
I have some admins that don't want their activity seen.
They cleverly run set +o history once they log in. Doing so means that commands they run don't get recorded in the history file.
Is there a ...
2
votes
1answer
890 views
Can users with the same $HOME have separate bash histories?
I have two users, that have the same home directory:
useradd -m -d /home/mydir user1
useradd -m -d /home/mydir user2
and they are in the same group.
But I have a problem, when someone logged in the ...
11
votes
1answer
1k views
multiline command chunks in bash history into multiple lines
In Bash (as well as Bash in WSL), multiline written commands can call-back with up/down arrows correctly also built-in history command report them correctly (until I'm still logged-in in bash).
But ...
4
votes
1answer
163 views
when parent directory is mounted on to new volume, i cannot see the sub directory which was existing earlier
After mounting /yesh onto a new volume, I cannot see the sub directory /yesh/data001 which was existing before mounting.
If the sub directory is existing where can I find it?
5
votes
1answer
2k views
Command history seems to be missing the first 75 lines
A couple of years ago, I did the automatic distribution update from 14.04 to 16.04. For the first time in my life, I was able to continue to use the computer after the automatic distribution update. ...
1
vote
1answer
143 views
How to keep all bash history
I want to keep my duplicates and all commands started with a space. How do I do that? I have no ideas what to do. Last time that I messed with bash nothing worked at all afterwards.
0
votes
1answer
36 views
Couldn't navigate through directories using bash script
Through script I am not able to change into directories and list the files.
cd is not working.
Here is my script
#!/bin/bash
export HOME=/home/yesh
DIR_START=2
DIR_END=`wc -l < ${HOME}/conf/...
1
vote
2answers
5k views
bash history log all commands to syslog
I am trying to log all commands ran by all users. I got a solution from Github
function log2syslog
{
declare COMMAND
COMMAND=$(fc -ln -0)
logger -p local1.notice -t bash -i -- "${...
5
votes
2answers
560 views
Creating a complete and alphabetically sorted .txt file of bash history
I want to have a complete and sorted list of my bash history. But there are some problems:
By doing history the list never shows the complete list and only 1000 commands are shown.
In my $HOME ...
1
vote
2answers
172 views
Cannot connect to the internet after cleaning history
I was using a friend's laptop with an Ubuntu 16 OS. I was asked
to clean the historic files an after browsing a few websites, I used:
cat /dev/null > ~/.bash_history
command which appear not ...
2
votes
1answer
174 views
Gnome Shell command prompt history
I have a question regarding the Gnome Shell command prompt (Alt+F2).
I already know that I can delete/reset the command history using dconf, but is there a way to completely disable it?
Also, where ...
5
votes
1answer
5k views
Why is history and .bash_history different and how to delete an entry in history?
So I know ~/.bash_history should be the file storing all the history and that you can just type in history to see all the contents of this file.
Why would my .bash_history file have just 5 entries ...
0
votes
1answer
175 views
Terminal saves junk values in history
When I'm pressing upper arrow to browse history for some reason the terminal saves either bad out put and good output (commands and junk).
for example when I'm typing the following junk it remember ...
0
votes
1answer
63 views
Reverse-i-search jumps back in time!
Sometimes I want to search for a previously executed command in my console.
So I press Ctrl + R and I enter in (reverse-i-search) mode. I start typing my command and I press Ctrl + R again and again ...
0
votes
0answers
172 views
How does setting the time format in .bash_history work?
I turned on the time logging flags for .bash_history (HISTTIMEFORMAT='%F %T ') and as expected, when I checked history, I was able to see the time at which commands were executed, up to a point. And ...
2
votes
0answers
477 views
How to delete bash history for specific date range [duplicate]
I know how to delete the complete history of all the commands I have ran in my bash terminal, however, I don't want to delete all the history.
What I want is to delete the history for a specific ...
0
votes
1answer
73 views
Create record of bash-commands and its properties
I want to keep a history of whatever I do on bash and its output.
I need to create a DB which can store
command
path (at command time)
command start time
command end time
output of the command
Can ...
1
vote
0answers
152 views
Wanted to disable history -c for all users except the one with sudo rights?
I am able to secure .bash_history and .profile files so that user cannot delete or edit those files and cannot change shell as well.
I needed this for bastion host for all production instances. I ...
14
votes
5answers
3k views
Hide “history -d” in bash history
If I accidentally type my password or anything else sensitive in bash I can easily remove that line with history -d ROW#, but I'm always left with the history -d ROW# command in history showing ...
12
votes
1answer
434 views
Terminal replacing ! followed by a number with a command
I'm very confused about my ubuntu terminal session, it seems to replace sections in commands that start by ! followed by a number with seemingly random commands. It does that with !87 replacing it ...
1
vote
1answer
479 views
Excluding some commands from getting stored in bash history only after terminal is closed
Currently I am using $HISTIGNORE to ignore some commands and not save them in bash history. But current behaviour is if I am running a terminal I executed a command which is in $HISTIGNORE then on ...
10
votes
1answer
2k views
How does the history command work?
When I type any command in the terminal, it doesn't appear in my ~/.bash_history file until I exit my session.
Also, when I manually edit my ~/.bash_history file (for example I remove the last three ...
8
votes
7answers
6k views
Deleting history from ~/.bash_history
I have a couple questions about the terminal or command line history that is stored in ~/.bash_history.
I can see the file in the terminal with the history command but if I try to open it with gedit ...
4
votes
1answer
7k views
HISTCONTROL=ignoreboth doesn't work [duplicate]
The default .bashrc in the standard distribution of Ubuntu 16.04 that comes with AWS has these lines:
# don't put duplicate lines or lines starting with space in the history.
# See bash(1) for more ...
3
votes
2answers
593 views
After removing .bash_history?
After I remove .bash_history, will .bash_history ever be recreated again? If so what creates it after it has been removed?
0
votes
1answer
187 views
Customise Bash Terminal Font Colours
A short while ago I asked this question, on how to customise the bash terminal font colours. The question was answered and I got the colours wanting, using the link provided by a helpful user.
The ...
0
votes
0answers
41 views
show what command is used in graphical mode
Is it possible to use some kind of verbose to show on the terminal what commands are executed when using graphical mode? For example: if I click on chrome it must show: google-chrome.
My goal is to ...
-1
votes
2answers
334 views
Add to History Script not working
I am trying to add lines from a file to my history, but it just adds the program code! What am I doing wrong?
#!/bin/bash
HISTFILE=~/.bash_history
set -o history
cat file.txt | while read line
do
...
13
votes
5answers
28k views
how do I remove the last 5 lines in bash history?
How can I remove the last 5 lines in bash history? So that when I reload the Ubuntu server, or restart it they're not there at all?
history -c only removes it from current session, but when I re-...
3
votes
2answers
481 views
!x not found - bash script
I made a simple bash script to run a range of commands in your history, but it's not working.
read -p "control + c to cancel"
for i in $(seq $1 $2) ...
14
votes
3answers
44k views
Finding an old command in the shell history [duplicate]
How can I find an old command I ran in my terminal?
I used an appengine command and wish to just find it in my local command history without researching it online again.
10
votes
2answers
19k views
Half of bash history is missing
The other night I was reading AU Q&A and used a bash command:
inxi -????
Problem is today I don't remember characters comprising ????. I want to put the command and parameters into my ...
4
votes
2answers
3k views
Does the `reset` command wipes up the session memory used by commands?
There is a reset command I can use in bash, which I think is part of core-utils. Does it clean up the RAM used by previous commands from the Terminal session?
I mean everything written into the ...
1
vote
1answer
78 views
Upon restart my ubuntu commands history number changed
While restarting my ubuntu 16.04 OS, my terminal commands history numbers is changed, only the history numbers is changed my history is saving perfectly. History numbers always display numbers between ...
14
votes
1answer
654 views
Why does the '!!' shortcut fail to execute the previously run command?
Recently I typed at my terminal
username:~$ !!
and got error from bash:
bash: !!: command not found
At the same time, it succeeds when done under superuser.
I investigated my user's PATH's ...
