For excessively paranoid client authentication.
Updated Apr 5 2019:
because this is a gist from 2011 that people stumble into and maybe you should AES instead of 3DES in the year of our lord 2019.
some other notes:
#!/bin/sh | |
TMPFILE="/tmp/xtrabackup-runner.$$.tmp" | |
USEROPTIONS="--user=${MYSQL_USER} --password=${MYSQL_PASSWORD} --host=${MYSQL_HOST}" | |
BACKDIR=/srv/mysql-bak | |
BASEBACKDIR=$BACKDIR/base | |
INCRBACKDIR=$BACKDIR/incr | |
FULLBACKUPCYCLE=604800 # Create a new full backup every X seconds | |
KEEP=1 # Number of additional backups cycles a backup should kept for. | |
START=`date +%s` |
[Solarized Dark] | |
text(bold)=839496 | |
magenta(bold)=6c71c4 | |
text=839496 | |
white(bold)=fdf6e3 | |
green=859900 | |
red(bold)=cb4b16 | |
green(bold)=586e75 | |
black(bold)=073642 | |
red=dc322f |
Latency Comparison Numbers (~2012) | |
---------------------------------- | |
L1 cache reference 0.5 ns | |
Branch mispredict 5 ns | |
L2 cache reference 7 ns 14x L1 cache | |
Mutex lock/unlock 25 ns | |
Main memory reference 100 ns 20x L2 cache, 200x L1 cache | |
Compress 1K bytes with Zippy 3,000 ns 3 us | |
Send 1K bytes over 1 Gbps network 10,000 ns 10 us | |
Read 4K randomly from SSD* 150,000 ns 150 us ~1GB/sec SSD |
[Solarized Dark] | |
text(bold)=839496 | |
magenta(bold)=6c71c4 | |
text=839496 | |
white(bold)=fdf6e3 | |
green=859900 | |
red(bold)=cb4b16 | |
green(bold)=586e75 | |
black(bold)=073642 | |
red=dc322f |
Decoding the data in /proc/net/tcp: | |
Linux 5.x /proc/net/tcp | |
Linux 6.x /proc/PID/net/tcp | |
Given a socket: | |
$ ls -l /proc/24784/fd/11 | |
lrwx------ 1 jkstill dba 64 Dec 4 16:22 /proc/24784/fd/11 -> socket:[15907701] |
#!/bin/bash | |
# Parameters | |
socket="/run/foo.sock" | |
dump="/tmp/capture.pcap" | |
# Extract repetition | |
port=9876 | |
source_socket="$(dirname "${socket}")/$(basename "${socket}").orig" |
package main | |
import ( | |
"crypto/tls" | |
"fmt" | |
"net" | |
"net/http" | |
"net/http/httputil" | |
"time" | |
) |
[Names] | |
count=1 | |
name0=Solarized Dark | |
[Solarized Dark] | |
text(bold)=839496 | |
magenta(bold)=dd3682 | |
text=839496 | |
white(bold)=fdf6e3 | |
green=859900 | |
red(bold)=cb4b16 |