Questions tagged [history]

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1answer
32 views

How can python's os.system([command]) bypass the history record? [closed]

I mean, how dare it? These two scripts have different record in history (at least by history command) # echo "hello" the direct command in shell will result in a record in history, however if I ...
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0answers
36 views

KSH/Bash History for jailed SSH users

How can I keep a history of activities for chroot'd SSH (not SFTP) users? I've tried: created a .sh_history in their home with the proper permissions created a custom $HISTFILE in .profile and in its ...
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0answers
162 views

Linux history filled with priv_escl_start and _end after security changes

We are going through a process to make our linux servers more secure following a scan. I notice that on some of the machines, we now have lines like: LANG=C; printf "priv_escl_start_%s" "[random 8 ...
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3answers
53 views

Is RFC 7231 the latest version about the HTTP/1.1 protocol?

I'm doing an university work on HTTP and I try to explain what happens when there is an HTTP connection between a client and a server. To do this, I'm using the "curl -v -i" command on an Ubuntu ...
1
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0answers
174 views

RDP client logs (history of connections from local PC to any remote servers)

is there a log file in Win10 where i can find all history of connected RDP sessions from machine? Example: on my local computer i connect to different remote servers and i need history of all login ...
0
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0answers
232 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
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1answer
66 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
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1answer
54 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
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0answers
26 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 ...
2
votes
1answer
692 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 | ...
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1answer
3k 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 ...
3
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1answer
3k 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 -------...
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1answer
50 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
176 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
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2answers
2k 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 ...
1
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1answer
3k views

Disable the ability to hide Bash command history

A user can hide the command history in Bash by either append a space before the command unset HISTFILE How can I disable this?
0
votes
1answer
103 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
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2answers
2k 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
294 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
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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 ...
104
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6answers
218k 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'm guessing it has something to do with the days of 386s and 486s, when the 32-bit processors all ended in 86,...
4
votes
1answer
466 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
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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
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6answers
7k 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 ...
116
votes
8answers
217k 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
996 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 ...
35
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
415 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 ...