flashvoid

[void@stas-console ~]$ cat /tmp/t 
foo=bar
boo=baz
zee=roo=zag



# this prints changed file but doesn't write changes to file
[void@stas-console ~]$ sed  -e 's/=/="/' -e 's/$/"/g' -e 's/^/export /g' /tmp/t
export foo="bar"

flashvoid

[void@stas-console ~]$ VAR='qwe asd erty dfgh vbn'
[void@stas-console ~]$ echo $(awk -v var="$VAR" 'BEGIN { count=split(var,fields," "); print fields[count-2] }')
erty

flashvoid

sudo apt-get update
sudo apt-get install docker-compose
mkdir ~/youtube-dl
cd ~/youtube-dl
cat >docker-compose.yml<<EOF
version: '3'

services:
  youtube-dl:
    build:

flashvoid

function openstack-cli() {
    docker run -it --rm $(env | grep OS_ | sed 's/=.*//;s/^/--env /' | tr '\n' ' ') -v /etc/hosts:/etc/hosts gitlab.int.catalystcloud.nz:4567/catalystcloud/openstack-cli --insecure $@
}

source openrc.sh
openstack-cli coe cluster config stas-test

flashvoid

# поднимаем сервер
# nc -l 9090 &
[1] 13126
# ставим дамп
# tcpdump -i any port 9090 -A &
[2] 13130
# tcpdump: verbose output suppressed, use -v or -vv for full protocol decode
listening on any, link-type LINUX_SLL (Linux cooked), capture size 262144 bytes

# клиент посылает данные серверу

flashvoid

1
2
3
4
5
6
7
8
12
31

flashvoid

{
  "c1": {
    "hostname": "netlab-1-0xwl",
    "interfaces": {
      "vx1" : {
        "oip": "192.168.1.2/24",
        "vid": 1,
        "remotes": [
          "10.240.0.8"
        ]

flashvoid

(stas-policy)ubuntu@ip-192-168-99-10:~$ sudo mdkir /etc/wicd_sdk^C
(stas-policy)ubuntu@ip-192-168-99-10:~$ sudo su
root@ip-192-168-99-10:/home/ubuntu# mkdir /etc/wicd_sdk
root@ip-192-168-99-10:/home/ubuntu# mkdir /etc/wicd_sdk/output
root@ip-192-168-99-10:/home/ubuntu# chown ubuntu:ubuntu /etc/wicd_sdk/output
root@ip-192-168-99-10:/home/ubuntu# exit
(stas-policy)ubuntu@ip-192-168-99-10:~$ touch /etc/wicd_sdk/output/token1
(stas-policy)ubuntu@ip-192-168-99-10:~$ sudo chmod 400 /etc/wicd_sdk
(stas-policy)ubuntu@ip-192-168-99-10:~$ touch /etc/wicd_sdk/output/token2
touch: cannot touch '/etc/wicd_sdk/output/token2': Permission denied

flashvoid

server {
	listen 443;
	server_name localhost;

	root html;
	index index.html index.htm;

	ssl on;
	ssl_certificate cert.pem;
	ssl_certificate_key cert.key;

flashvoid

#!/bin/sh

awk '{ 
	split($0, chars, ""); 
	for (i=1; i<=length($0); i++) { 
		if (flagInLine == 0) { printf ("%-5d", i/32); flagInLine=1 }
		printf("%s%s ", chars[i], chars[i+1]);
		if ((i+1) % 32 == 0) { flagInLine=0; printf "\n"}
		i++
	}