While playing around with SoftEther, one of the authentication options was Radius.
# install server
$ apt-get install freeradius -y
# create a user
$ echo 'test Cleartext-Password := "test"' >> /etc/freeradius/users
# no need to add clients, localhost is allowed by default
$ touch /etc/freeradius/clients.conf
# apply …A reverse shell is achieved when you "send" a server's shell (in my demo the server is named target) to another server (hq in my setup).
Using this technique you can run root commands on a server you aren't connected.
# open up a tcp port on the "hq" server to …If you don't know what is Git good for, or if you do, I suggest to start with these two pages: http://rogerdudler.github.io/git-guide/ and https://www.atlassian.com/git/tutorials/setting-up-a-repository.
Now that everything is clear, we can go on configuring the good stuff:
Control Groups are good, but the implementation in Debian 6 is a mess! I know that this OS is not the latest, but when you have production servers, you don't always get the chance to run latest versions.
A good documentation about cgroups can be found at https://access.redhat …
# get the needed session
$ ss -t | grep 10.21.10.22
ESTAB 0 0 7.2.2.1:56120 10.21.10.22:65001
# get the process and file descriptor that opened the session
$ lsof -n | grep 10.21.10.22:65001
rsyslogd 6876 root 7u IPv4 …Stripe is the easiest payment gateway I've setup so far!
You can find all details about this service on their website, I will only mention that Twitter, Apple and Facebook are using it.
# composer prerequisites
$ apt-get install php5 git php5-curl
# install stripe-php library with composer
$ mkdir /var/www/stripe
$ cd …In order to get the best performance from your RAID storage, you need to align everything (the filesystem with your RAID setup)!
1 - chunk size of raid array - how you choose this value is not under this post's scope, let's consider the default for my raid controller - 256k
2 - filesystem …
In this post I'll show you how to create and use a token based authentication (something like OAuth2 but waaay lighter) in PHP. The token will expire after a certain period of time. In order to keep the token alive, I've also added a heartbeat function on the client side …
If you're looking for a simple, yet powerful hosting control panel, Vesta could be the one.
Install: it's a one-liner, they have a script that takes care of everything
Usage: this panel can be used by both experienced sys admins and regular users, the design is very clean and fluent …
cURL is mostly used to retrieve web content, but it also can provide feedback for a sysadmin / network admin / webmaster.
$ cat <<'EOF' > curl-info
time_namelookup: %{time_namelookup}\n
time_connect: %{time_connect}\n
time_appconnect: %{time_appconnect}\n
time_pretransfer: %{time_pretransfer}\n
time_redirect: %{time_redirect}\n
time_starttransfer: %{time_starttransfer}\n
size_download: %{size_download} Bytes\n
----------\n …