Exibir código-fonte para Jailkit

== Instalando dependências ==
<source lang="bash">
apt-get install build-essential autoconf automake1.11 libtool flex bison \
debhelper binutils-gold python wget -y
</source>

== baixando o código do jailkit e gerando pacote .DEB ==

<source lang="bash">
cd /tmp
wget https://olivier.sessink.nl/jailkit/jailkit-2.21.tar.gz
tar zxvf jailkit-2.21.tar.gz
cd jailkit-2.21
echo 5 > debian/compat
./debian/rules binary
dpkg -i ../jailkit_2.21-1_amd64.deb
</source>

== criando máquina virtual ==
<source lang="bash">
mkdir /jail
jk_init -v /jail netutils basicshell jk_lsh ssh scp sftp
</source>

== configuração extra pro jailkit ==
em /etc/jailkit/jk_chrootsh.ini acrescente:
 [DEFAULT] 
 env= TERM, PATH

== criando usuário e adicionando na jaula ==
<source lang="bash">
useradd catapet
jk_jailuser -m -j /jail/ catapet
passwd catapet
mkdir -p /jail/home/catapet
chown -R catapet: /jail/home/catapet
</source>

em /jail/etc/passwd troque /usr/sbin/jk_lsh por /bin/bash pro usuário catapet

testar
<source lang="bash">
sudo jk_jailuser -m -s /bin/bash -j /jail thomas
</source>

== Habilitando outras funcionalidades ==

<source lang="bash">
jk_init -v /jail editors
</source>

<source lang="bash">
jk_init -v /jail apache
</source>

== adicionando um comando extra ==

<source lang="bash">
jk_cp  -v -j /jail/ /usr/bin/cal
</source>

== Arrumando váriveis de ambiente ==
 PATH=/usr/local/bin:/usr/bin:/bin:/usr/local/games:/usr/games:/usr/bin:/usr/sbin:/usr/local/bin:/usr/local/sbin

== Referências ==
* https://olivier.sessink.nl/jailkit/index.html#download
* https://www.howtoforge.com/debian-9-jail-jailkit/
* https://sempreupdate.com.br/como-criar-um-usuario-ssh-preso-com-jailkit-no-debian/
* https://lists.gnu.org/archive/html/jailkit-users/2014-02/msg00033.html

[[Categoria: Servidores]]