Questions tagged [history]
The history tag has no usage guidance.
35
questions
1
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0
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18
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Why did SNMPv1/SNMPv2 ever not have passwords, why did they send the "community name" in plaintext, and how did it take until 2003 to rectify this? [closed]
I am studying IT via CompTIA, and have gotten to the section on SNMP. Something stuck out to me:
It's important that you understand the older versions of the SNMP protocol were notoriously insecure. ...
- 111
0
votes
1
answer
41
views
keyboard combination to search forward in bash history
Pressing ctrl-R allows me to search thru command line history
Pressing ctrl-R allows me to go back in command history matches
What is the keyboard shortcut to jump forward in command history matches?
...
- 1,191
-1
votes
1
answer
297
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How to create file history/ restore from previous version so that can retrieve accidentally delete shared network folder or file
How to create file history/ restore from previous version so that can retrieve accidentally delete shared network folder or file
- 25
0
votes
1
answer
424
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Why is the FascistLogging ssh logging mode named that?
The docs describe Fascist Logging mode quite well, so I understand what it does.
Basically it is a variant of debug logging enabled with
FascistLogging yes
But why is it named that? I'm sure the ...
- 133
0
votes
0
answers
876
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Which history file does the command in ssh client commandline go to?
If I do ssh user@server and then, inside the bash session, I run whatever, when ssh session is closed these executed commands go to .bash_history file. Simple and clear.
But if I do ssh user@server ...
- 135
0
votes
0
answers
28
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How to capture each linux command before sending it out?
I want to monitor the server at a more strict history.
Since each user can delete their own history file, it is better to capture each command to a history file in the background, which is ...
- 560
0
votes
1
answer
575
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 ...
- 560
1
vote
0
answers
91
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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 ...
- 127
1
vote
0
answers
2k
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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 ...
- 79
3
votes
4
answers
1k
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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 ...
- 71
1
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0
answers
1k
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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 ...
- 11
0
votes
0
answers
1k
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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 ...
- 101
0
votes
1
answer
439
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 ...
- 1
0
votes
1
answer
184
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 ...
- 73
0
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0
answers
98
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 ...
- 101
4
votes
1
answer
1k
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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 | ...
- 3,843
1
vote
1
answer
9k
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 ...
- 215
12
votes
2
answers
7k
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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
-------...
- 491
0
votes
1
answer
196
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
1
answer
421
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 ...
- 113
0
votes
2
answers
7k
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
vote
1
answer
4k
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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?
- 6,041
0
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1
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118
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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 ...
4
votes
2
answers
3k
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 ...
- 1,794
1
vote
1
answer
325
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 ...
- 781
3
votes
2
answers
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 ...
- 4,610
121
votes
6
answers
250k
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,...
- 2,672
4
votes
1
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555
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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 ...
- 1,397
1
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3
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2k
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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=...
Mike
9
votes
6
answers
8k
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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 ...
- 1,227
158
votes
13
answers
331k
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 ...
- 4,823
12
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11
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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 ...
42
votes
6
answers
6k
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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?
- 3,310
6
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9
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1k
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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
3
answers
438
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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 ...
- 384