# 1. Ubuntu/Debian:



```
apt-get install openssl cron  socat curl
```


# 2. CentOS


```
yum -q -y install  openssl  crontabs  socat  curl
```
For centos 5:

```
yum -q -y install openssl vixie-cron socat  curl
```


# 3. alpine


```
apk --no-cache add -f openssl curl socat 
```


# 4. kalilinux


```
apt-get -qqy install  openssl cron  socat  curl
```

