bash_history

Python for Unix and Linux System Administration

by Noah Gift and Jeremy M. Jones  · 29 Jun 2009  · 603pp  · 141,814 words

Data Wrangling With Python: Tips and Tools to Make Your Life Easier

by Jacqueline Kazil  · 4 Feb 2016

:45 00:07 00:35 00:08 09:49 23:47 00:29 09:49 09:49 09:49 09:49 . .. .CFUserTextEncoding .DS_Store .Trash .bash_history Applications Desktop Documents Downloads Library Movies Music Pictures Public We do not have a .bashrc file, so we will have to create one. If you

Ubuntu 15.04 Server with systemd: Administration and Reference

by Richard Petersen  · 15 May 2015

slightly different syntax, described in its Man pages). Filename Function BASH Shell .profile Login initialization file .bashrc BASH shell configuration file .bash_logout Logout name .bash_history History file /etc/profile System login initialization file /etc/bash.bashrc System BASH shell configuration file /etc/profile.d Directory for specialized BASH shell configuration

The Debian Administrator's Handbook, Debian Wheezy From Discovery to Mastery

by Raphaal Hertzog and Roland Mas  · 24 Dec 2013  · 678pp  · 159,840 words

timestamps of access to files) or running compromised programs by mistake. Retracing an attack scenario usually involves looking for everything that was modified and executed: .bash_history files often provide for a very interesting read; so does listing files that were recently created, modified or accessed; the strings command helps identifying programs

Modern Vim: Craft Your Development Environment With Vim 8 and Neovim

by Drew Neil  · 2 May 2018  · 241pp  · 43,252 words

Hacking Exposed: Network Security Secrets and Solutions

by Stuart McClure, Joel Scambray and George Kurtz  · 15 Feb 2001  · 260pp  · 40,943 words

appear as well. ------------[SYN] (slot 1) pc6 => target3 [23] %&& #'$ANSI"!guest guest ls cd / ls cd /etc cat /etc/passwd more hosts.equiv more /root/.bash_history Like most powerful tools in the network administrator’s toolkit, this one was also subverted over the years to perform duties for malicious hackers. You

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and repetition. For example, the Bourne again shell (/bin/bash) keeps a file in the user’s directory (including root’s in many cases) called .bash_history that maintains a list of the recently used commands. Usually as the last step before signing off, attackers will want to remove their entries. For

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example, the .bash_history may look something like this: tail -f /var/log/messages vi chat-ppp0 kill -9 1521 logout < the attacker logs in and begins his work

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feature of the shell by setting unset HISTFILE; unset SAVEHIST Additionally, an intruder may link .bash_history to /dev/null: [rumble]# ln -s /dev/null ~/.bash_history [rumble]# ls -l .bash_history lrwxrwxrwx 1 root root 9 Jul 26 22:59 .bash_history -> /dev/null Cleaning Countermeasure U Log It is important to write log file information to

Flash Boys: Not So Fast: An Insider's Perspective on High-Frequency Trading

by Peter Kovac  · 10 Dec 2014  · 200pp  · 54,897 words

Flash Boys: A Wall Street Revolt

by Michael Lewis  · 30 Mar 2014  · 250pp  · 87,722 words

Building Secure and Reliable Systems: Best Practices for Designing, Implementing, and Maintaining Systems

by Heather Adkins, Betsy Beyer, Paul Blankinship, Ana Oprea, Piotr Lewandowski and Adam Stubblefield  · 29 Mar 2020  · 1,380pp  · 190,710 words

how an attacker could carry out each stage of an attack. For example, in the Credential Access stage, ATT&CK describes how a user’s .bash_history may contain accidentally typed passwords that an attacker could obtain by simply reading the file. The ATT&CK framework lays out hundreds (potentially thousands) of

Speaking Code: Coding as Aesthetic and Political Expression

by Geoff Cox and Alex McLean  · 9 Nov 2012

script is run, it could cause damage to the user’s system.9 #!/usr/bin/perl sub relive {$command = shift;print `$command`;} $bash_history = $ENV{ HOME }."/.bash_history"; while(1){ open(HISTORY, $bash_history); while($moment = <HISTORY>){ relive($moment); } } 42 Chapter 2 As evident if it is run, the source code expresses both what it will

The Art of Software Security Assessment: Identifying and Preventing Software Vulnerabilities

by Justin Schuh  · 20 Nov 2006  · 2,054pp  · 359,149 words

Creative Selection: Inside Apple's Design Process During the Golden Age of Steve Jobs

by Ken Kocienda  · 3 Sep 2018  · 255pp  · 76,834 words

Real World Haskell

by Bryan O'Sullivan, John Goerzen, Donald Stewart and Donald Bruce Stewart  · 2 Dec 2008  · 1,065pp  · 229,099 words

Dark Pools: The Rise of the Machine Traders and the Rigging of the U.S. Stock Market

by Scott Patterson  · 11 Jun 2012  · 356pp  · 105,533 words