Trang Nguyen trangnth

Keybase proof

I hereby claim:

I am trangnth on github.
I am tranguet (https://keybase.io/tranguet) on keybase.
I have a public key ASAHOVHzQLmglkEBA2pxXU5BbEnsORfXjsn4m_GaotN9-wo

To claim this, I am signing this object:

Cấu hình wazuh - nmap auto scan

Mô tả

Cảnh báo mỗi một host mới tham gia hoặc không tham gia vào dải ip được quét
Cảnh báo mỗi khi một port bất kỳ của host mở hoặc đóng (thay đổi trạng thái)
Thực hiện cấu hình trên wazuh server

Tham khảo

Wazuh config alert telegram

Tham khảo:

https://sys-adm.in/security/850-ossec-otpravka-uvedomlenij-v-telegram.html

Thêm đoạn cấu hình sau vào file config của ossec /var/ossec/etc/ossec.conf

<ossec_config>

How to enable the MySQL/MariaDB general query logs

Enter to MySQL/MariaDB server command-line tool (change root with your username and password):

mysql -u root -proot

Set the general log file path:

SET GLOBAL general_log_file='/var/log/mysql/mycustom.log';

Quick cheat sheet of helpful tmux commands

tmux new - Create and attach to a new session.
tmux new -s NAME_HERE - Create and attach to a new session named NAME_HERE.
CTRL-b, d - Detach (i.e. exit) from the currently-opened tmux session (alternatively, tmux detach). Note, this means press and hold CTRL, press b, release both, press d.
tmux ls - Show list of tmux sessions.
tmux a - Attach to the previously-opened tmux session.
tmux a -t NAME_HERE - Attach to the tmux session named NAME_HERE.
CTRL-d - Delete (i.e. kill) currently-opened tmux session (alternatively tmux kill-session).
CTRL-b, [ - Enter copy mode, and enable scrolling in currently-opened tmux session. Press q to exit.
CTRL-b, " - Split window horizontally (i.e. split and add a pane below).

Flow of lua nginx module directives: https://openresty-reference.readthedocs.io/en/latest/Directives/
body_filter_by_lua documentation: https://github.com/openresty/lua-nginx-module#body_filter_by_lua
Following sample is from this site: https://groups.google.com/d/msg/openresty-en/5PWmL2f70x8/R2DUMsNUAgAJ

http { 
    proxy_cache_path /tmp/cache levels=1:2 keys_zone=cache:60m max_size=1G; 
    server { 
      listen 8080; 

      location /replace-body {

upgrade rabbitmq từ 3.6.x -> 3.8.16

backup lại user password

Listing users
monitor [monitoring]
openstack       [None]
guest   [administrator]

list messages trong 1 partition

kafkacat -b 10.5.69.6:9092 -t imap-2 -p 1

Metadata listing:

root@trangnth-kafka:/opt/confluent# kafkacat -L -b 10.5.6.6:9092 -t imap-2 
Metadata for imap-2 (from broker 1: 10.5.6.6:9092/1):

	// For all the confusing Prometheus configuration and
	// regular expressions,
	// explained in examples.


	// Remember, there are default values for each item if it's missing.
	// regex is (.*),
	// replacement is $1,
	// separator is ;
	// ,and action is replace

	#!/usr/bin/perl

	use Digest::HMAC_MD5 qw/ hmac_md5_hex /;
	use DBI;
	use URI::Escape;
	use CGI;

	print "Content-type: text/html\n";

	my $q = CGI->new;