Linux

Essentials linux commands

exit Exit actual session, exit from the program whatis [command] Show a one-line description of the command clear clear terminal window man [command] show manual page for command less [file] allow you to view, search in many ways in text files pwd print current working directory ls list files/folders in the directory cd change directory …

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Linux cheat sheet

A Standard Linux Directory Structure Below is a reference to the basic structure of directories for most Linux distributions. Find more at the Linux Filesystem Hierarchy Standard, on Wikipedia. / – the root or base of the filesystem /bin – operating system binaries /boot – Linux kernel and programs run at startup /dev – devices /etc – system configuration files /home – …

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Apache – Top 10 IP addresses accessing your Apache webserver

Default log paths /var/log/http/access_log [For RedHat based systems] /var/log/apache2/access.log [For Debian based systems] /var/log/http-access.log [For FreeBSD] Command Output 5482 103.28.37.1785356 66.249.78.1681977 66.249.93.1451962 157.55.39.2511924 66.249.93.1421921 66.249.93.1481890 64.233.173.1781860 108.61.183.1341841 64.233.173.1821582 157.55.39.251 Command explain awk ‘{ print $1}’ access.log – take the access.log and print first group (separated by white space) sort – sort records uniq -c – …

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Fail2Ban – unban IP

First, you need to connect to the terminal and find the right jail. Open terminal iptables -L -n to find the rule name, it could be quite messy so I recommend skip this step 🙂 fail2ban-client status to show names of all fail2ban jails For F2B before v0.8.8 ffail2ban-client get YOURJAILNAMEHERE actionunban IPADDRESSHERE For F2B …

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TOR – setup entry and exit nodes – SOLVED

Basic setup If you need setup entry and exit nodes for TOR it is quite easy. It is really useful when you developing websites or make penetration testing network firewall. navigate to your tor browser install directory open Browser folder open TorBrowser folder open Data folder open Tor folder open torrc file in your favorite text editor in torrc file insert these …

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