mirror of
https://github.com/pratiktri/dotfiles.git
synced 2026-02-04 16:41:43 +05:30
117 lines
4.0 KiB
Bash
117 lines
4.0 KiB
Bash
#!/bin/sh
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# Directories and Directory listings
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dir_size(){
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if [ "$1" = "" ]; then
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dir="$PWD"
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else
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dir="$1"
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fi
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du -ah "$dir" --max-depth=1 | sort -hr
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}
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up(){
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sudo pkcon refresh && sudo pkcon update && sudo apt dist-upgrade && sudo apt autoremove
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command -v rustup >/dev/null && rustup update
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command -v brew > /dev/null && brew update && brew upgrade && brew autoremove && brew cleanup
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command -v npm > /dev/null && npm update -g
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}
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# Network
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alias flush-dns="sudo systemd-resolve --flush-caches"
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alias dnsreset="sudo systemctl restart dnscrypt-proxy"
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alias dnscheck="dnscrypt-proxy -resolve google.com"
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alias ips='printf "Local IP:- "; hostname -I | cut -f1 -d " "; printf "Public IP:- "; curl -s https://ipinfo.io/ip'
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alias ipdetails='printf "Local IP:- "; hostname -I | cut -f1 -d " "; printf "Public IP Details:- \n"; geoip'
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alias listening_apps="sudo netstat -nutlp | grep ':' | awk '{print \$1,\$4,\$NF}' | awk -F: '{print \$1,\$(NF-1),\$NF}' | awk -v OFS=\"\t\" 'BEGIN {printf (\"%s\t%s\t\t%s \n\", \"PROTO\", \"PORT\", \"APPLICATION\")} {print \$1 , \$(NF-1) ,\" \" , \$NF}' | (read -r; printf \"%s\n\" \"\$REPLY\"; sort -k2 -n)"
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# Update & Upgrades
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alias distup="sudo apt dist-upgrade"
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alias autorem="sudo apt autoremove"
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alias update="sudo apt-get update"
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alias install="sudo apt-get install "
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alias remove="sudo apt-get remove "
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# For servers
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alias ngt="sudo nginx -t"
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alias ngrestart="sudo systemctl restart nginx"
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alias ngreload="sudo systemctl reload nginx"
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alias ngstop="sudo systemctl stop nginx"
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f2b_banned_ips() {
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provided_jail=$1
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if [ "${provided_jail// /}" != "" ]; then
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for ip in "$(sudo fail2ban-client status "$provided_jail" | tail -1 | sed 's/[^:]*://;s/\s*//')"
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do
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printf "%17s\n" "$ip"
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done
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else
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total_ips_banned=0
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for JAIL in "$(sudo fail2ban-client status | tail -1 | sed 's/[^:]*://;s/\s*//;s/,//g')"
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do
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banned_ip_count=$(sudo fail2ban-client status "$JAIL" | grep -oP 'Currently banned:\s*\K\d+')
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if [ "$banned_ip_count" -gt 0 ]; then
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echo "${JAIL}: ${banned_ip_count}"
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for ip in "$(sudo fail2ban-client status "$JAIL" | tail -1 | sed 's/[^:]*://;s/\s*//')"
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do
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printf "%17s\n" "[$ip]"
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done
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total_ips_banned=$(( total_ips_banned + banned_ip_count ))
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echo
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else
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echo -e "${JAIL}:\n -None-\n"
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fi
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done
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echo "Total IPs banned across all jails - ${total_ips_banned}"
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fi
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}
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f2b_unban_ip() {
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ip_to_unban="$1"
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jail="$2"
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# If jail is provided - use that jail to directly unban
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if [ "${jail// /}" != "" ]; then
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sudo fail2ban-client set "$jail" unbanip "$ip_to_unban" > /dev/null && echo "Successfully released ban"
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else
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# Find all JAILS this IP belong to
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# Unban the ip where ever it is found
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for JAIL in "$(sudo fail2ban-client status | tail -1 | sed 's/[^:]*://;s/\s*//;s/,//g')"
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do
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banned_ip_count=$(sudo fail2ban-client status "$JAIL" | grep -oP 'Currently banned:\s*\K\d+')
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if [ "$banned_ip_count" -gt 0 ] && [[ $(sudo fail2ban-client status "$JAIL") == *"$ip_to_unban"* ]]; then
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found_ip="true"
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echo "Unbanning from ${JAIL}:"
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sudo fail2ban-client set "$JAIL" unbanip "$ip_to_unban" > /dev/null && echo "Successfully released ban"
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fi
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done
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if [[ -z "${found_ip// /}" ]]; then
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echo "${ip_to_unban} was not found in any banned lists."
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echo "No action taken."
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fi
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fi
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}
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f2b_ban_an_ip(){
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ip_to_ban=$1
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ban_jail=$2
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if [[ ( -z "${ip_to_ban// /}" ) || ( -z "${ban_jail// /}" ) ]]; then
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echo "Please provide an IP and a Jail (in that order)"
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echo -e "eg -\n\t f2b_ban_an_ip 1.1.1.1 sshd"
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return 1
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fi
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sudo fail2ban-client set "$ban_jail" banip "$ip_to_ban" > /dev/null && echo "Ban successful"
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}
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