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| SPC | |
| SPC: find file | |
| , switch buffer | |
| . browse files | |
| : MX | |
| ; EX | |
| < switch buffer | |
| ` eval | |
| u universal arg | |
| x pop up scratch |
thomasfr
/ iptables.sh
Last active
October 17, 2024 07:55
iptable rules to allow outgoing DNS lookups, outgoing icmp (ping) requests, outgoing connections to configured package servers, outgoing connections to all ips on port 22, all incoming connections to port 22, 80 and 443 and everything on localhost
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| #!/bin/bash | |
| IPT="/sbin/iptables" | |
| # Server IP | |
| SERVER_IP="$(ip addr show eth0 | grep 'inet ' | cut -f2 | awk '{ print $2}')" | |
| # Your DNS servers you use: cat /etc/resolv.conf | |
| DNS_SERVER="8.8.4.4 8.8.8.8" | |
| # Allow connections to this package servers |
rgreenjr
/ postgres_queries_and_commands.sql
Last active
May 14, 2025 00:29
Useful PostgreSQL Queries and Commands
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| -- show running queries (pre 9.2) | |
| SELECT procpid, age(clock_timestamp(), query_start), usename, current_query | |
| FROM pg_stat_activity | |
| WHERE current_query != '<IDLE>' AND current_query NOT ILIKE '%pg_stat_activity%' | |
| ORDER BY query_start desc; | |
| -- show running queries (9.2) | |
| SELECT pid, age(clock_timestamp(), query_start), usename, query | |
| FROM pg_stat_activity | |
| WHERE query != '<IDLE>' AND query NOT ILIKE '%pg_stat_activity%' |