Upgrade debian 11 to 12
karlocat /etc/os-release; read -p enter; apt update; read -p enter; apt upgrade; apt full-upgrade; sed -i 's/bullseye/bookworm/g' /etc/apt/sources.list; grep -ir bull /etc/apt; read -p ok; apt clean; apt update; apt…
Add a simple password to apache site
To add a password to your site: apt install apache2-utils htpasswd -c /etc/apache2/.htpasswd user # Config <Directory "/var/www/html"> AuthType Basic AuthName "Restricted Content" AuthUserFile /etc/apache2/.htpasswd Require valid-user </Directory>
Linux: add user to existing group
To add an existing user to an existing Linux group: usermod -a -G group user # Example usermod -a -G www-data django
SSH in for loop (consuming stdin / using file descriptor 3)
Ever found yourself using a for/while loop using SSH in the loop, only to find out your loop only runs once? Your stdin is captured by ssh... This can be…
Bash clear tmp files (for script) on exit (trap)
TMP="$(mktemp -d)" trap 'rm -rf -- "$TMP"' EXIT
SSH jump host config
My remote hosts are on srvXX.remote.com. I have a jump host jump.remote.com. I want to be able to type ssh srv42.remote.com and connect, without first having to ssh to jump.remote.com.…
Add Microsoft fonts (like Arial) to Nextcloud Office (Collabora)
On Debian 11: apt install ttf-mscorefonts-installer -ydpkg-reconfigure fontconfig-configcoolconfig update-system-templatesystemctl restart coolwsd.service
LineageOS recovery bootloop into Google firmware
Don't follow the original guide ➜ ~ cd Downloads ➜ Downloads fastboot flash vendor_boot vendor_boot.img Sending 'vendor_boot_a' (65536 KB) OKAY [ 0.516s] Writing 'vendor_boot_a' OKAY [ 0.244s] Finished. Total time:…
Add new dmraid to debian11
Note to self:
Nextcloud / php / apache no error for Internal Server Error
I got this: Internal Server Error The server encountered an internal error and was unable to complete your request. Please contact the server administrator if this error reappears multiple times,…
Friendly (ionice/nice) rsync on remote server
Add --rsync-path="ionice -c 3 nice rsync" to your rsync command (on sending side) Friendly for both sender and receiver: ionice -c3 nice rsync --rsync-path="ionice -c 3 nice rsync"
LVM commands not found
Getting this? bash: pvchange: command not found bash: pvck: command not found bash: pvcreate: command not found bash: pvdisplay: command not found bash: pvmove: command not found bash: pvs: command…
Upgrade to debian11 from 10
# apt update # apt upgrade # apt full-upgrade # apt --purge autoremove deb http://mirrors.linode.com/debian bullseye main deb-src http://mirrors.linode.com/debian bullseye main deb http://mirrors.linode.com/debian-security bullseye-security/updates main deb-src http://mirrors.linode.com/debian-security bullseye-security/updates main #…
Simple SSH backup of routeros / mikrotik
Prerequisites: A linux host within your network SSH enabled on your router FW routes from host to router Howto: 1. Create ssh keys (without passphrase) on the linux host: ssh-keygen…
jq unix timestamp to datetime
| todateiso8601
Bash script template
#!/usr/bin/env bash set -o errexit set -o nounset set -o pipefail if [[ "${TRACE-0}" == "1" ]]; then set -o xtrace fi if [[ "${1-}" =~ ^-*h(elp)?$ ]]; then echo…
Fix: acosh defined in both go and assembly
You probably upgraded go. You need to remove /usr/local/go . Then reinstall go
RPM only list/query package names
rpm -qa --qf "%{NAME}\n"
Bash remove spaces from file names
find . -depth -name '* *' \ | while IFS= read -r f ; do mv -i "$f" "$(dirname "$f")/$(basename "$f"|tr ' ' _)" ; done
Upgrade dumb shell to interactive shell (tty)
python -c 'import pty; pty.spawn("/bin/bash")' yay python
Bash sort IPs naturally
sort -t . -k 3,3n -k 4,4n IPs
bash add IP in PWD to variable for easy reference
Add to .bashrc: export PROMPT_COMMAND="${PROMPT_COMMAND:+$PROMPT_COMMAND ;} ip=\$( echo \$PWD | grep -oE '{1,3}\.{1,3}\.{1,3}\.{1,3}' ) " Now if you browse to/in a directory which has an ipv4 ip, the IP will…
Easy AutoRecon summary (bash)
echo "===SUMMARY===";grep . */report/notes.txt| while read line; do IP=$( echo -ne $line|cut -d'/' -f1| tr -d '\n' ); ] && echo; echo -n $IP ; echo -n $line | cut…
Proxychains on fedora / centos7
Clone the repo: https://github.com/rofl0r/proxychains-ng ./configure && make && sudo make install cp src/proxychains.conf /etc/proxychains.conf && vi /etc/proxychains.conf echo "alias p='/usr/local/bin/proxychains4'" >> ~/.bashrc && . .bashrc p ssh xx@ip
Bash while loop input (stdin reading from while-input) fix
while read line <&3; do echo "==== $line ===="; yes y | sqlmap -u http://$line/ --crawl=1; read -p press\ enter; done 3< webservers.ip Using input 3 to read your list,…
Rpmfusion fedora and h264/codecs
yum install https://download1.rpmfusion.org/{free/fedora/rpmfusion-free,nonfree/fedora/rpmfusion-nonfree}-release-$(rpm -E %fedora).noarch.rpm yum install install compat-ffmpeg28 ffmpeg-libs
Bash array operations and examples
Split to array: while IFS=';' read -ra ADDR; do for i in "${ADDR}"; do # process "$i" done done <<< "$IN" Define: distro=("redhat" "debian" "gentoo") Element: ${ArrayName} Length: echo "${#distro}"…
Bash color variables
# Reset Color_Off='\033[0m' # Text Reset # Regular Colors Black='\033[0;30m' # Black Red='\033[0;31m' # Red Green='\033[0;32m' # Green Yellow='\033[0;33m' # Yellow Blue='\033[0;34m' # Blue Purple='\033[0;35m' # Purple Cyan='\033[0;36m' # Cyan…
Bash add UTF8 (UTF-8) BOM to file
sed -i '1s/^\(\xef\xbb\xbf\)\?/\xef\xbb\xbf/' foo-*
Certbot centos 7
pip uninstall requests yum reinstall python-requests pip uninstall six yum reinstall python-six pip uninstall urllib3 yum reinstall python-urllib3 ; yum install http://cbs.centos.org/kojifiles/packages/pyOpenSSL/16.2.0/3.el7/noarch/python2-pyOpenSSL-16.2.0-3.el7.noarch.rpm ; yum install certbot certbot-apache