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Questions tagged [history]

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0
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0answers
25 views

ssh connection doesn't write entry to wtmp or leave command history

I have a root user using a java application that logs into the servers I administrate. When this ssh client logs in, it doesn't write an entry in wtmp (or utmp that I can tell). It does not seem to ...
0
votes
1answer
23 views

Find security packages installation history on Debian

I need your help. I need to find out the date of the last installation of security packages on debian servers. I have been looking for a solution based on log files (dpkg.log, history.log) but it ...
0
votes
1answer
30 views

Restrict users to run 'history -d [arg]' and 'set +o history' commands

We are in the early stages of standardizing our infra. As an immediate step, we want to restrict users from manipulating the history. Have setup some restrictions for the same. But recently found that ...
0
votes
0answers
22 views

Command history but only for one directory

Is it possible to get the history of all commands that were entered but just from one folder? like the history command, but only output should only show commands that the user entered while in a ...
1
vote
1answer
314 views

read bash history via ssh does not work

This does work: server:~> history | tail -100 | grep etc 908 2018-01-17 08:53:43 cd /etc/apache2/vhosts.d/default.d/ .... .... But this does not: ssh root@server "history | tail -100 | ...
0
votes
1answer
1k views

How does “nslookup -ls” work?

I've been going through the 4th Edition (2001, yes, very old) of the O'Reilly "DNS and Bind" book, and it keeps talking about nslookup, which seems to be relatively hard to get one's hands on in this ...
1
vote
1answer
2k views

Yum: How to show “Command Line” column in “Yum history list all” output?

When I use yum history list command on my CentOS-7 remote server it shows a list of yum history in below format: ID | Command line | Date and time | Action(s) | Altered -------...
0
votes
1answer
36 views

Keep Root Account Audit Trail

I am the owner of a company. I want to keep an audit trail of our Unix administrator who has root access to the CentOS system. How can I configure it such that the audit trail cannot be bypassed and ...
1
vote
1answer
137 views

Is there a way to log all bash displayed text (both input and output)?

As in title, I would like to log everything is displayed by the bash, that is the inputs and the relative outputs. Let's say I would like an "history" for everything, not only input commands. I ...
0
votes
2answers
1k views

How can i recover bash history while i accidentally typed reboot -f

Scenario : After working on my Linux server [CentOS 7] ,I typed reboot -f in my terminal, is it possible to retrieve my bash history after rebooting it? I understand that reboot -f will forcefully ...
0
votes
1answer
2k views

Disable the ability to hide bash command history

User can hide the command history in bash by either append a space before the command unset HISTFILE How to disable this?
0
votes
1answer
98 views

setting up history variables for ssh user

im logging into a particular ip using ssh user@ip then i type in a few commands, then i exit and when i relogin and type history, all the previous commands are gone. Now i understand i have to export ...
2
votes
2answers
1k views

How can I put the last zsh command in history into a clipboard?

It often happens to me, that I just used a command and I need to copy/paste it either to a different terminal window/IM or whatever. On a Mac, I can use the pbcopy command to get something in ...
1
vote
1answer
285 views

How to i skip history? [duplicate]

Possible Duplicate: Avoid to keep command in history Is there a facility to skip history for some commands in Linux? How can I skip history for a login? When I login as user abc, I don't want ...
3
votes
2answers
2k views

Preventing bash (and ksh) history alteration in Linux

From the looks of things, fixing ksh to make history alteration impossible is fairly easy. I've seen all the recommendations to make HIST* environment variables read-only, and the use of chattr to ...
92
votes
6answers
188k views

Why does x86 represent 32bit when x64 represents 64bit? [closed]

My question is why is the shorthand for 32-bit x86 when the shorthand for 64-bit is x64? I am guessing it has something to do with the days of 386s and 486s, when the 32-bit processors all ended in ...
4
votes
1answer
441 views

How to show command history with executed time on Unix

I tried export HISTTIMEFORMAT='%D %T' but it seems the time stamp of commands executed before I set HISTTIMEFORMAT will be the time I logged in current session. Is this normal? Is there any way to ...
1
vote
3answers
2k views

HISTCONTROL=ignoreboth not working debian lenny

Can anybody confirm if by setting the the following env variables under debian lenny will make previous history entries not to be saved. GNU bash, version 3.2.39(1)-release export HISTCONTROL=...
9
votes
6answers
6k views

How can I record Linux commands?

Is there a way to record the Linux commands I use and reuse them on another machine or in case I want to reinstall the machine? In example record how I set up NginX, PHP and permissions in my lab ...
90
votes
6answers
178k views

Is there a global, persistent CMD history?

Sometimes I forget how the exact syntax of a CMD command looks and then I would like to search my own CMD history. Clearly, within the same session, you can browse it with the up and down arrow keys ...
12
votes
11answers
969 views

Unix Legendry (and other *nix as well)

This is the twin to this question. Most obscure/upvoted answer will get the answer vote! Most Unix and Unix-like systems have a "traditional history" that is passed down with each generation, so ...
33
votes
6answers
4k views

Avoid to keep command in history

I use bash and I would like to avoid some commands being kept in the history. Is it possible to do that for the next command only? Is it possible to do that for the entire session?
6
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9answers
1k views

Windows Legendry

Most obscure/upvoted answer will get the answer vote! Most Unix and Unix-like systems have a "traditional history" that is passed down with each generation, so that newcomers can see and understand ...
4
votes
3answers
407 views

What is this bastard sys admin or something like that

I've read some long time ago something about the stories of a sys admin complaining about their LUSERS It was something like the bastard sys admin or something like that. Do you have a link from ...