MyWiki

ssl

dreiggy (dreiggy@undisclosed.example.com) — 2021-12-15T19:45:41+00:00

SSL Generate self-signed ssl: openssl req -new -nodes -x509 -out localhost.crt -newkey rsa:4096 -keyout localhost.key -days 3650 or openssl req -newkey rsa:2048 -sha256 -nodes -keyout key.pem -x509 -days 3650 -out certificate.pem SSL certificate match key and cert:

nmap - created

dreiggy (dreiggy@undisclosed.example.com) — 2021-02-02T06:16:49+00:00

NMAP local network scan Ping scan nmap -sP -v 192.168.0.0/24 TCP SYN scan nmap -sS -v 192.168.0.0/24

tools - created

dreiggy (dreiggy@undisclosed.example.com) — 2021-01-27T21:24:23+00:00

Tools Create multiboot USB:

debian-install-rdiff - created

dreiggy (dreiggy@undisclosed.example.com) — 2021-01-24T17:41:17+00:00

HOW-TO: debian10 install rdiff-backup version 2 Install deps: apt install build-essential apt install python3-pip python3-setuptools python3-pylibacl python3-pyxattr apt install librsync-dev Install rdiff-backup: pip3 install rdiff-backup

editors-settings

dreiggy (dreiggy@undisclosed.example.com) — 2021-01-23T11:44:22+00:00

Editors settings Here is my custom preferences for editors. VIM Edit: ~/.vimrc set mouse-=a syntax on set paste set autoindent " With expandtab option set, if you want to enter a real tab character use Ctrl-V key sequence. set expandtab set tabstop=4 set shiftwidth=4

csf-block-wp-attack

dreiggy (dreiggy@undisclosed.example.com) — 2020-11-05T20:56:02+00:00

CSF block WP brute-force First install CSF as described here: Add to crontab: #security */15 * * * * /bin/egrep -h "POST.*wp-login.php.*200" /var/log/httpd/domains/*.log | /bin/awk '{print $1}' | /bin/sort | /usr/bin/uniq -c | /bin/awk '$1>=5{print "/usr/sbin/csf -d "$2" wp-login abuser"}' | /bin/sh >> /var/log/wp-sec.log 2>&1 */15 * * * * /bin/egrep -h "POST.*xmlrpc.php.*200" /var/log/httpd/domains/*.log | /bin/awk '{print $1}' | /bin/sort | /usr/bin/uniq -c …

backups

dreiggy (dreiggy@undisclosed.example.com) — 2020-10-31T21:03:21+00:00

Backups software * Borg-Backup * Rdiff-backup (1/2) * Rsnapshot * RClone * UrBackup

mailcleaner - created

dreiggy (dreiggy@undisclosed.example.com) — 2020-08-16T14:12:54+00:00

MailCleaner Something to check later:

raid-levels

dreiggy (dreiggy@undisclosed.example.com) — 2020-08-13T10:18:53+00:00

RAID Level Comparison

raid.jpg - created

dreiggy (dreiggy@undisclosed.example.com) — 2020-08-13T10:18:22+00:00

package-manager-detection - created

dreiggy (dreiggy@undisclosed.example.com) — 2020-04-21T13:41:26+00:00

Package manager detection Snippet for package manager detection if [ $(rpm -qa 2>/dev/null | wc -l ) -gt 10 ]; then system="rpm" elif [ $(dpkg -l 2>/dev/null | wc -l ) -gt 10 ]; then system="dpkg" else system="unk" fi echo $system

bash

dreiggy (dreiggy@undisclosed.example.com) — 2020-04-21T13:40:49+00:00

BASH My notes about bash scripting Snippets * DISTRO detection * Package manager detection

distro-detection - ↷ Page name changed from bash:os-detection to bash:distro-detection

dreiggy (dreiggy@undisclosed.example.com) — 2020-04-21T12:31:19+00:00

Bash DISTRO detection Snippet for Linux distro detection: # Check OS and VERSION if [ -f /etc/os-release ]; then # freedesktop.org and systemd . /etc/os-release OS=$ID VER=$VERSION_ID elif type lsb_release >/dev/null 2>&1; then # linuxbase.org OS=$(lsb_release -si) VER=$(lsb_release -sr) elif [ -f /etc/lsb-release ]; then # For some versions of Debian/Ubuntu without lsb_release command . /etc/lsb-release OS=$DISTRIB_ID VER=$DISTRIB_RELEASE elif [ -f…

os-detection - ↷ Page name changed from bash:os-detection to bash:distro-detection

dreiggy (dreiggy@undisclosed.example.com) — 2020-04-21T12:31:19+00:00

linux.png - created

dreiggy (dreiggy@undisclosed.example.com) — 2019-04-25T22:00:42+00:00