bradfitz

import "net"

#Policy

#Policy: {
         ACLs: [...#ACLRow]
         Groups: #Groups
         Hosts: #Hosts
         TagOwners: [#TagName]: [...#TagOwner]
         Tests: [...#ACLTest]

bradfitz

$ sqlite3
sqlite> .mode csv
sqlite> .import brad-2016-2020.csv items
sqlite> .import brad-2021-ytd.csv items
sqlite> .mode column
sqlite> .width 40
sqlite> .header on
sqlite> CREATE VIEW money_cat AS select Category, sum(Cast(Ltrim("Item Total", "$") as decimal)) as "Sum", count(*) from items group by Category;
sqlite> select category, round(100 * sum / (select sum(sum) from money_cat), 2) as "percent", "count(*)" from money_cat order by 2 desc limit 50;
Category                                  percent     count(*)  

bradfitz

#!/bin/sh                                                                                                                                                               

set -e
set -x

cd $HOME
rm -rf netstack.bare netstack
git clone --bare $HOME/gvisor netstack.bare
cd netstack.bare

bradfitz

CREATE TABLE Space (Func varchar, Pkg varchar, What varchar, Size int64);
BEGIN TRANSACTION;
INSERT INTO Space VALUES ("go.buildid", "", "pcsp", 0);
INSERT INTO Space VALUES ("go.buildid", "", "pcfile", 0);
INSERT INTO Space VALUES ("go.buildid", "", "pcln", 0);
INSERT INTO Space VALUES ("go.buildid", "", "text", 112);
INSERT INTO Space VALUES ("go.buildid", "", "funcname", 11);
INSERT INTO Space VALUES ("internal/cpu.Initialize", "internal/cpu", "pcsp", 13);
INSERT INTO Space VALUES ("internal/cpu.Initialize", "internal/cpu", "pcfile", 5);
INSERT INTO Space VALUES ("internal/cpu.Initialize", "internal/cpu", "pcln", 21);

bradfitz

Got: {Magic:4277009103 Cpu:CpuArm64 SubCpu:0 Type:Exec Ncmd:29 Cmdsz:4528 Flags:2097285}
38 sections:
  [0] {Name:__text Seg:__TEXT Addr:4294989976 Size:2401076 Offset:22680 Align:3 Reloff:0 Nreloc:0 Flags:2147484672}
  [1] {Name:__gopclntab Seg:__DATA Addr:4298890048 Size:1821374 Offset:3922752 Align:5 Reloff:0 Nreloc:0 Flags:0}
  [2] {Name:__rodata Seg:__DATA Addr:4297462176 Size:1417021 Offset:2494880 Align:5 Reloff:0 Nreloc:0 Flags:0}
  [3] {Name:__noptrdata Seg:__DATA Addr:4300711456 Size:131552 Offset:5744160 Align:5 Reloff:0 Nreloc:0 Flags:0}
  [4] {Name:__bss Seg:__DATA Addr:4300843008 Size:120184 Offset:0 Align:5 Reloff:0 Nreloc:0 Flags:1}
  [5] {Name:__data Seg:__DATA Addr:4297414624 Size:47341 Offset:2447328 Align:5 Reloff:0 Nreloc:0 Flags:0}
  [6] {Name:__noptrbss Seg:__DATA Addr:4300963200 Size:12520 Offset:0 Align:5 Reloff:0 Nreloc:0 Flags:1}
  [7] {Name:__typelink Seg:__DATA Addr:4298879200 Size:8624 Offset:3911904 Align:5 Reloff:0 Nreloc:0 Flags:0}

bradfitz

#!/bin/sh

set -e
set -x

./udp-on.sh

iptables -A INPUT -p udp --sport 53 -j ACCEPT
iptables -A INPUT -p udp -j DROP
iptables -A OUTPUT -p udp --dport 53 -j ACCEPT

bradfitz

#!/bin/sh
# restart wish \
exec wish "$0" "$@"

#
# LiveJournal -- TCL/Tk client
# http://www.livejournal.com/
#
# Brad Fitzpatrick
# livejournal@bradfitz.com

bradfitz

package main    

import (
        "flag"  
        "fmt"    
        "runtime"
)

func main() {   
        var cpus = flag.Int("cpus", runtime.NumCPU()*2, "number of threads to spin")

bradfitz

package main
                
import (
        "bytes"
        "io/ioutil"
        "log"
        "net/http"
        "time"
)       
        

bradfitz

root@kc1b:~# iptables-legacy-save  
# Generated by iptables-save v1.8.2 on Sun Sep  8 09:23:15 2019
*raw
:PREROUTING ACCEPT [88168023:13613243271]
:OUTPUT ACCEPT [86121993:13224156217]
:CILIUM_OUTPUT_raw - [0:0]
:CILIUM_PRE_raw - [0:0]
-A PREROUTING -m comment --comment "cilium-feeder: CILIUM_PRE_raw" -j CILIUM_PRE_raw
-A OUTPUT -m comment --comment "cilium-feeder: CILIUM_OUTPUT_raw" -j CILIUM_OUTPUT_raw
-A CILIUM_OUTPUT_raw ! -s 10.217.0.29/32 -m mark --mark 0xa00/0xfffffeff -m comment --comment "cilium: NOTRACK for proxy return traffic" -j NOTRACK