Questions tagged [history]

The history command can be used to retrieve commands you have previously typed in a shell.

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Is there a way to retrieve my previous commands on Ubuntu?

I was doing an assignment on Ubuntu that requires screenshots of my commands. But my laptop shut down and the program closed without me taking the screenshots. Is there a way to retrieve my previous ...
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Find the version of a program using the hash

how could i verify that the man is up to date for a command with the hash? md5sum pwd md5sum $(whereis history | awk '{print $2}')) man history presents: "The GNU History Library is Copyright (C) ...
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show previews command on terminal? [closed]

Like in Windows, where if you press "up_arrow" you can see the last used command and the history of commands used before that (in the current season) Is there anything like that in ubuntu? I ...
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How to record specific command history in Ubuntu

Is that possible to record the specific command in the customized history log file? For example, I would like to record all ansible-playbook execute history to the customized log file immediately when ...
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When using the history command , is it possible to get more details such as timestamp of each result? [duplicate]

History command options to see more details such as timestamp of each command entered
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Creating individual bash scripts from Linux History

I want to be able to output my Linux bash history to a file. Then line by line create a new shell script with the content of the of each line. I have tried this so far from the command line.. for ...
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Viewing http requests that happened

Is there a log file where ubuntu stores all the http requests that come in? I need to view a request that happened yesterday, more specifically the body of that POST request. And also if nothing is ...
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How to merge history from multiple terminal session

Is there a way to merge history from multiple terminal sessions in Fish shell? I tried to use the command history merge but I get the following error" history: you cannot use any options with ...
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Reviewing history of inputs and outputs

I closed my previous session on Ubuntu and when I logged back in, I realized I wanted a screenshot of my previous outputs. I used history and that only gave me my last 50 previous inputs. Is there any ...
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History and autocompletion do not work in SSH PAM session (openssh-server, libpam-ldap and nscd)

I configured a Linux Ubuntu 20.04 LTS VM, to authenticate users in the LDAP base and it worked correctly, however, when trying to repeat commands already executed, as we normally do in Linux, pressing ...
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Help! My bash script stopped working as intended!

I am trying to get a very basic bash script to work but the output for the history command stopped working properly!! This is the output #!/bin/bash -i history And that's the code Any ...
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I believe I was hacked over night [closed]

I believe I was hacked last night. I am a little bit new to the Linux world so I don't know if this is normal or not, but there were a lot of random things in my command line history. Here a Google ...
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How can I recall a command from history by number without executing it?

How can I grab a command from history by number to my command line without executing it? This immediately executes command number 555 which I'm not looking for: $ history 10 $ !555 This opens the ...
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How to save terminal commands differently?

I am taking some online courses. I want to seperate all commands. That is, I want to save all commands that I execute during classes on a different memory file than my other system commands. This will ...
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How do I execute command from history without printing it again in the terminal?

$ echo hello; cd ~/Docs hello $ !! echo hello; cd ~/Docs hello I want to get hello and execute the change directory after typing !! without re-showing echo hello; cd ~/Docs, again. Edit: fc ...
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ksh history problem

I'm on Xubuntu 20.04.02 This is a question about ksh command history. Something had changed recently and I'm looking for a way to restore the old behavior. For years and up to about a month or so ago,...
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How display over 1000 commands history?

I am working on a project that have reached over more than 3000 commands. However most of the commands of mine is repeated and generated automatically due to my program. I have try to grep or export ...
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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/...
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Ubuntu 20.04 zfs grub rollback snapshots

I'm interested in teh ZFS snapshot feature, So I deployed 20.04 VM with ZFS. I created a snapshot to test how the rollback procedure works. sudo snapshot -r rpool@SNAP1 When then I created and ...
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Accessing, from inside a script, the exact command that was issued on terminal to fire the script in question [closed]

Let's say I issue the following command: ./myscript.sh file* test.txt Now, I wish myscript.sh to be able to create a variable, say howiwasran, such that if it were to echo ${howiwasran}, the output ...
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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 -...
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command history

Which is the most correct answer for this question: Write a one-line command that searches the last 50 commands that have been used for the term "find", and saves the result in history.txt ...
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34 votes
5 answers
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Is there a default clipboard history in Ubuntu? If there is, how can I access it?

Is there a default clipboard history in Ubuntu 20.04 or later? If there is, how can I access it? I know there are lots of available applications for saving clipboard history in the default Ubuntu ...
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1 answer
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How to show recent programmes?

how to display the recently used programmes (not files, that is implemented)? I am looking for: a function / script or so to do the job. How I would like to have the problem solved is something on ...
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2 answers
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reverse-i-search of history not finding expected commands

Today upon bringing up a bash terminal I tried finding a frequently-used command from my bash history via Ctrl-r. To my surprise, it wasn't found. Upon inspecting ~/.bash_history, I saw instances of ...
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Prevent showing duplicated entries in terminal

Is there any way to prevent showing duplicated entries in terminal? Every time I go up, I see lots of repeated command until I find the command I want In windows 10 version 2004 they fix this issue, ...
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1 answer
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How to clear previous data in terminal? [closed]

I’m sure this question has been asked a million and one times already. I saw a video the other day about accessing all lost passwords and usernames through terminal nnd my question is are you able to ...
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Write bash history when connection is terminated abnormally [duplicate]

How can I make sure that my bash history gets written to ~/.bash_history when I am disconnected abnormally? I work on several remote Linux hosts, and my connection is frequently terminated abnormally....
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1 answer
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Logging all terminal input/output history

Ubuntu 20.04 on Hyper-V VM I am trying to do something similar to what is written in this answer. I think this answer logs all the terminal to a certain file. I would like to be able to log all my ...
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2 answers
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How to obtain a consolidated system wide history irrespective of users or powers? [duplicate]

If I am a normal user and I type history I get a set of commands typed by me in the terminal. Now I make myself the sudo su (su stands for super-user here and not substitute user) sudo su I am ...
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1 vote
2 answers
270 views

History -a from a bash script

I'm trying to call the following within a bash script: `history -a current_history` it is supposed to create the file with the commands executed this session. Works perfectly fine in a shell ...
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2 votes
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1k views

Why does Ubuntu 20.04 on ZFS destroy custom datasets at boot-time zpool import of the zpool.cache?

After creating the targets of a personal data lake, and filling them with plenty of terabytes through rsync, I was quite surprised at the next reboot, that Ubuntu's ZFS didn't like the datasets, and ...
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How to view users' history commands from different ssh clients

As admin, I need to check history commands of users. However, I found that logged from different ssh clients, you can't see all history in the host but only history from same ssh client machine. So is ...
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How to see history of suspensions?

There are commands to check uptime, history of reboots, but how to check time(s) when system was suspended? Kubuntu 18.04.4 Desktop.
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append bash history before command finishes

With the solution in [1] it is possible to write the command to bash_history, after the command has finished, with multiple terminals. That means, if the command is issued and if something happens ...
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3 votes
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History timestemp shows wrong dates

when running the commands HISTTIMEFORMAT="%d/%m/%y %T " history the date output are wrong. For example the sudo reboot in line 1407 was done on 31/12/2019. I am not sure about the hours. How can I ...
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8 votes
2 answers
3k 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 ...
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1 vote
2 answers
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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.
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List unique result only on history command

I ran this command history | cut -c 8- It listed all the history commands as expected without line numbers. I'm wondering if there is a way to list only unique one. I've tried history | cut -...
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Changing ubuntu 18 History size

Im trying to change ( Globally) the HISTSIZE & HISTFILESIZE I've tried to add the values into /etc/bash.bashrc and its not working. Any suggestions?
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1 vote
2 answers
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Shortcut to open xfce4-terminal and run 'history' command on Xubuntu 16.04.6

I'm trying to set a keyboard shortcut to open xfce4-terminal and run history(command) and keeping terminal open, but so far no avail, I read some tutorials then I tried xfce4-terminal -e "/bin/bash -c ...
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11 votes
1 answer
2k 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 ...
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bash: error in export command that bash: !st: event not found

When i tried to excute the following export SENTRY_SECRET_KEY="k(#!st-6eb2y74=@^6s7a67fy5a&@p3y=57#aszb@hs)n^vv0#" I get the error "bash: !st: event not found" Please give me solution..
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commands history

So, I wanted to see all the history of commands of a certain user, me more specifically, the probem is that I want to do soo in a NFS server that I am connected through ssh, so, everytime I disconect ...
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2 votes
1 answer
667 views

Save all command and all output (using script across terminals)

For a short period of time, I want to save the command history and output of every command I run in any terminal I open. It should all go in the same file. So basically I want to run a command (or ...
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0 answers
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Terminal/Shell config Question

Ubuntu 18.04.1 LTS TERM=wyse60 SHELL=/bin/bash set -o vi telnet using TinyTerm v4.20.1306 with wyse60 emulation My question is: Is there something I can add to .bash_profile to allow .bash_history ...
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6 votes
1 answer
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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. ...
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1 vote
1 answer
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Bionic Beaver Nautilus list of visited servers

Newly switched from 16.04 LTS to Bionic Beaver. Yet in 16.04 several smb servers were stored to Nautilus server history (or so, sorry don't know the exact terminology). Now after upgrade to B. Beaver ...
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2 answers
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Cleaning up the whole trace of one's activity on ubuntu

I am working on an ubuntu 16.04 LTS, The computer I am working on is temporarily in my possession, given to me by my employer. So at some point I have to give it back. What exactly should I consider ...
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2 votes
1 answer
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Ubuntu 16.04 experienced an internal error

My Ubuntu was stuck in a login loophole hence I removed lightdm and installed gdm instead. Somewhere in the instructions someone suggested to add a sleep 1 in a file. After I did so the system has ...
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