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operating_systems:raspbian:easygateway_configuration [2019/07/09 08:48] – [Setup] maferreiraoperating_systems:raspbian:easygateway_configuration [2019/07/22 09:33] (current) – removed maferreira
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-====== Guacamole ====== 
-===== Dependencies ===== 
- 
-Start by updating your system. 
-  # apt update 
- 
-Install needed packages to build guacalmole-server. 
-  # apt install --no-install-recommends build-essential libjpeg-dev libossp-uuid-dev libpulse-dev libcairo2-dev libssl-dev libvncserver-dev libvorbis-dev libtelnet-dev libssh2-1-dev libpango1.0-dev libfreerdp-dev 
-  # apt install --no-install-recommends sudo socat nmap telnet lynx 
- 
-Download guacamole server source code 
-  wget -O guacamole-server-1.0.0.tar.gz "http://apache.org/dyn/closer.cgi?action=download&filename=guacamole/1.0.0/source/guacamole-server-1.0.0.tar.gz" 
- 
-Before compiling guacamole, download the following packages: 
-  # apt install libavcodec libavutil libswscale libwebp 
- 
-===== Installation ===== 
- 
-<note warning>If you are downloading guacamole-server-0.9.9 in Stretch version, you will get the following compilation error: guac_common_ssh_openssl_id_callback [-Werror=unused-function]</note> 
- 
-==== Compilation ==== 
-Once you have done this, go to the source code directory and install guacamole. It will take ~5 minutes. 
-  $ ./configure --with-init-dir=/etc/init.d 
-  $ make 
-  # make install 
- 
-Load configuration modifications 
-  # ldconfig 
- 
-Enable automatic startup 
-  update-rc.d guacd defaults 
- 
-Start guacd 
-  service guacd start 
- 
-==== Perl modules ==== 
- 
-Reload cpan 
-  perl -MCPAN -e shell 
-  install CPAN 
-  reload cpan 
-  exit 
- 
-And install cpanm 
-  cpan App::cpanminus 
- 
-Install following packages 
-  cpanm URI 
-  cpanm IO::HTML 
-  cpanm Net::HTTP 
-  cpanm File::Listing 
-  cpanm Encode::Locale 
-  cpanm WWW::RobotRules 
-  cpanm HTML::Entities 
-  cpanm HTML::HeadParser 
-  cpanm XML::Twig 
-  cpanm XML::Parser 
-  cpanm Nmap::Parser 
-  cpanm HTTP::Request 
-  cpanm HTTP::Status 
-  cpanm HTTP::Daemon 
-  cpanm HTTP::Cookies 
-  cpanm HTTP::Negotiate 
-  cpanm LWP::UserAgent 
-  cpanm Log::Log4perl 
-  cpanm Log::Dispatch::Syslog 
-  cpanm CGI 
- 
-==== Nagios plugins ==== 
- 
-Install nagios plugins: 
-  # apt install --no-install-recommends nagios-plugins 
- 
-  # update-alternatives --config editor 
-  # vi /home/acdsn/git/fw-rules/<port number>/etc/sudoers.d/010_acdsn 
-   
-  # User privilege specification 
-  acdsn   ALL=(ALL:ALL) NOPASSWD: /usr/bin/nmap 
-   
-  # ln -s /home/acdsn/git/fw-rules/3780/etc/sudoers.d/010_acdsn 010_acdsn 
- 
-  # vi /home/acdsn/git/fw-rules/3780/etc/rsyslog.d/local4.conf 
-  $ActionFileEnableSync on 
-   
-  $ModLoad omrelp 
-  $ActionQueueType LinkedList # use asynchronous processing 
-  $ActionQueueFileName srvrfwd # set file name, also enables disk mode 
-  $ActionResumeRetryCount -1 # infinite retries on insert failure 
-  $ActionQueueSaveOnShutdown on # save in-memory data if rsyslog shuts down 
-   
-  #*.*    :omrelp:<sever>:<port>;<template> 
-  local4.*        :omrelp:127.0.0.1:10514 
- 
-  # ln -s /home/acdsn/git/fw-rules/<port number>/etc/rsyslog.d/local4.conf local4.conf 
-Reference: [[https://guacamole.apache.org/doc/gug/installing-guacamole.html]] 
- 
-====== Clone necessary git repositories ====== 
-Now, clone each git repository into the respective directory. 
-  $ cd ~/git/ 
-  $ git clone git@git.bolay.co:acdsn-scripts 
-   
-  $ cd ~/git/ 
-  $ git clone git@git.bolay.co:easygateway-scripts 
- 
-====== Crontabs ====== 
-Since /var/spool in mounted on tmps, crontab files don't exist and so, crontab will fail. To solve this, move/add crontab files for root and acdsn user in /etc/cron.d/.\\ 
-From the cron man pages: "**/etc/crontab and the files in /etc/cron.d must be owned by root, and must not be group- or other-writable.**" 
- 
-===== acdsn ===== 
-  # m h  dom mon dow   command 
-  @daily acdsn /usr/bin/curl http://easygateway.testing.com.co/ca_crl.pem -o /etc/openvpn/server/ca_crl.pem 
-  30 0 * * * acdsn /usr/bin/perl /home/acdsn/git/acdsn-scripts/nagios_passive_check/npc.pl --central port=<port number> service=easygateway remote=master --readonly-check --git-check 
- 
-  @hourly acdsn /usr/bin/perl /home/acdsn/git/acdsn-scripts/nagios_passive_check/npc.pl --central port=<port number> service=easygateway remote=master --load-check --disk-check --timek 
-  */15 * * * * acdsn /usr/bin/perl /home/acdsn/git/acdsn-scripts/nagios_passive_check/npc.pl --central port=<port number> service=easygateway remote=master --users-check 
-  */5 * * * * acdsn /bin/bash /home/acdsn/git/acdsn-scripts/connect.acdsn.sh -u acdsn -t server5.bolay.co -l 22 -r  <port number> >/dev/null 2>&1 
-  */4 * * * * acdsn /bin/bash /home/acdsn/git/acdsn-scripts/connect.acdsn.sh -u acdsn -t server5.bolay.co -l  20514 -r 10514 -f L >/dev/null 2>&1 
-  */3 * * * * acdsn /bin/bash /home/acdsn/git/acdsn-scripts/connect.acdsn.sh -u acdsn -t server5.bolay.co -l 4822 -r  3788 >/dev/null 2>&1 
-   
-  */2 * * * * acdsn /bin/bash /home/acdsn/git/easygateway-scripts/minicentral/sync.sh -K -S >/dev/null 2>&1 
-  */5 * * * * acdsn /bin/bash /home/acdsn/git/easygateway-scripts/minicentral/sync_eG/sync.sh -t 30 -p fMoTbxdeiJUNFDJHbe -mCc 
- 
-===== root ===== 
-  # m h  dom mon dow   command 
-   
-  LANG=C 
-  SHELL=/bin/bash 
-  PATH=/usr/local/sbin:/usr/local/bin:/sbin:/bin:/usr/sbin:/usr/bin 
-   
-  # m h  dom mon dow   command 
-  #@reboot /bin/bash /home/acdsn/git/acdsn-scripts/set_time.sh >/dev/null 2>&1 
-  #@reboot /usr/bin/python /home/acdsn/git/acdsn-scripts/usb_off.py >/dev/null 2>&1 
-  #@hourly /bin/bash /home/acdsn/git/acdsn-scripts/set_time.sh >/dev/null 2>&1 
-   
-  # This line disables all usb ports (all other ports have no efect) 
-  # Reference : https://www.raspberrypi.org/forums/viewtopic.php?t=217858#p1339349 
-  @reboot root /home/acdsn/git/uhubctl/uhubctl -a off -p 2 
-   
-  0 */3 * * * root /bin/bash /home/acdsn/git/acdsn-scripts/network.sh eth0 > /dev/null 2>&1 
-  @hourly root /bin/bash /home/acdsn/git/acdsn-scripts/reboot.sh -u http://server5.bolay.co/eG/reboot.txt >/dev/null 2>&1 
- 
-<note warning>Make sure **root** and **acdsn** files **BELONG** to **root**. </note> 
- 
-  drwxr-xr-x  2 root root 4096 May  6 11:13 . 
-  drwxr-xr-x 89 root root 4096 May  6 11:05 .. 
-  -rw-------  1 root root 1312 May  6 11:13 acdsn 
-  -rw-r--r--  1 root root  102 Oct  7  2017 .placeholder 
-  -rw-------  1 root root 1862 May  6 10:41 root 
- 
-  # mkdir -p /etc/openvpn/ 
-  # mkdir -p /media/data/etc/openvpn/server 
-  # ln -s /media/data/etc/openvpn/server/ /etc/openvpn/server 
-  # chown acdsn:acdsn server/ 
- 
-<note warning>Without this, the first script in acds crontab will fail with the following error : **Failed to create the file /etc/openvpn/server/ca_crl.pem: No such file or directory**</note> 
- 
-  # mkdir -p /etc/acdsn/conf.d 
-  # mkdir -p /media/etc/acdsn/conf.d 
-   
-  # ln -s /media/etc/acdsn/conf.d /etc/acdsn/conf.d 
-  # touch /etc/acdsn/conf.d/units.txt 
-   
-  # chown acdsn:acdsn /media/data/etc/acdsn/conf.d/ 
- 
-  $ mkdir -p /etc/acdsn/conf.d/${spool, client} 
-  $ mkdir -p /etc/acdsn/conf.d/spool/client 
-  $ touch /etc/acdsn/conf.d/client.json 
- 
-  $ apt-get install --no-install-recommends rsyslog-relp 
-  $ apt-get install --no-install-recommends jq 
-  $ apt-get install --no-install-recommends libconfig-dev 
- 
-Reference: https://manpages.debian.org/stretch/cron/cron.8.en.html 
-====== OpenVPN server ====== 
-===== Dependencies ===== 
-  # apt install --no-install-recommends openvpn openssl 
- 
-===== Setup ===== 
- 
-The CA public certificate /etc/easy-rsa/pki/ca.crt generated by **server1** needs to be copied over to the machine that will be running OpenVPN. 
- 
-  # cp /etc/openvpn/easy-rsa/pki/root_ca.crt /tmp/ 
-  # chown acdsn:acdsn /tmp/root_ca.crt 
-  # su acdsn 
-  $ scp -P <port number> /tmp/root_ca.crt acdsn@localhost:/tmp 
- 
-Move server1 certificate to /etc/openvpn/server and change its rights. 
-  # mv /tmp/ca.crt /etc/openvpn/server/ 
-  # mv /etc/openvpn/server/ca.crt /etc/openvpn/server/root_ca.crt 
-  # chown root:root /etc/openvpn/server/root_ca.crt 
- 
-Install easy-rsa and generate a key pair for the openvpn server. 
- 
-<note warning>We don't use the git clone version because we would need to use the build.sh script with the --version=3.0.4 version to generate the final version</note> 
- 
-  # cd /tmp 
-  # wget --no-check-certificate https://github.com/OpenVPN/easy-rsa/releases/download/v3.0.4/EasyRSA-3.0.4.tgz 
-  # tar -xvzf EasyRSA-3.0.4.tgz 
-  # rm EasyRSA-3.0.4.tgz 
-  # mv EasyRSA-3.0.4/ /etc/openvpn/easy-rsa/ 
- 
-<note warning>Make sure you have this option set: set_var EASYRSA_PKI “/etc/openvpn/easy-rsa/pki” in /etc/openvpn/easy-rsa/vars </note> 
- 
-  # cd /etc/openvpn/easy-rsa 
-  # easyrsa init-pki 
-  # easyrsa gen-req <port number> nopass 
-  # cp /etc/easy-rsa/pki/private/<port number>.key /etc/openvpn/server/ 
- 
-<note important>**Common name :** Raspberry pi easyGateway <port number> - testing</note> 
-Make sure that **ONLY** **root** can **WRITE** and **READ** the **raspberry pi** and **server1** certificates. 
-  # cd /etc/openvpn/server 
-  # chmod 660 <port number>.key ca.crt 
-  # chown root:root <port number>.key ca.crt 
- 
-Create the initial dh.pem file. 
-  # openssl dhparam -out /etc/openvpn/server/dh.pem 2048 
- 
-Generate the HMAC key. 
-  # openvpn --genkey --secret /etc/openvpn/server/ta.key 
- 
-===== Sign OpenVPN server certificate ===== 
-Securely transfer the files to the CA (server1) machine for signing. 
-  # cp /etc/openvpn/easy-rsa/pki/reqs/<port number>.req /tmp/ 
-  # chown acdsn:acdsn /tmp/<port number>.req 
- 
-On the CA (server1) machine download, import and sign the certificate requests: 
-  # scp -P <port number> acdsn@localhost:/tmp/<port number>.req /tmp 
-  # cd /etc/openvpn/easy-rsa 
-  # ./easyrsa import-req /tmp/<port number>.req <port number> 
-  # ./easyrsa sign-req server <port number> nopass 
- 
-  # cp /etc/openvpn/easy-rsa/pki/issued/<port number>.crt /tmp/ 
-  # chown acdsn:acdsn /tmp/<port number>.crt 
-   
-  # su acdsn 
-  # scp -P <port number> /tmp/<port number>.crt acdsn@localhost:/tmp 
-   
-  # mv /tmp/<port number>.crt /etc/openvpn/server/ 
-  # chown root:root /etc/openvpn/server/<port number>.crt 
- 
-References:\\ 
-https://wiki.debian.org/OpenVPN\\ 
-https://wiki.archlinux.org/index.php/Easy-RSA 
- 
-Edit init.d file, replace *.conf (3 occurences) by server.conf and launch openvnp: 
-  # vim /etc/init.d/openvpn 
-  # systemctl daemon-reload 
-  # /etc/init.d/openvpn start 
- 
-Check if openvpn is running by typing the following: 
-  # ps -Af | grep openvpn 
- 
-<note warning> 
-OpenVPN will look for /etc/openvpn/server/ca.crt to identify the CA certificate. And, since we renamed it root_ca.crt, openvpn service won't create tun0 interface. To solve this, set it path in server.conf. 
-</note> 
-  # vi /etc/openvpn/server.conf 
-  ca /etc/openvpn/server/ca.crt 
- 
-to 
- 
-  ca /etc/openvpn/server/root_ca.crt 
- 
-<note important> 
-To have openvpn logs add the following to /etc/openvpn/server.conf:\\ 
-log-append /var/log/openvpn.log 
-</note> 
- 
-Reference: https://askubuntu.com/a/511464 
- 
-Add file for CRL download: 
-  # touch /etc/openvpn/server/ca_crl.pem 
-  # chmod 666 ca_crl.pem 
- 
-Add client directories (as acdsn) 
-  $ mkdir -p /etc/acdsn/conf.d/client 
-  $ mkdir -p /etc/acdsn/conf.d/spool/client 
- 
-Make sure you have the following lines in your crontab file: 
-  @daily /usr/bin/curl https://www.easygateway.co/ca_crl.pem -o /etc/openvpn/server/ca_crl.pem  
-  */5 * * * * /bin/bash /home/acdsn/git/easygateway-scripts/minicentral/sync_eG/sync.sh -t 30 -p ORG_TOKEN -mCc 
- 
-===== Firewall rules ===== 
-References:\\ 
-https://unix.stackexchange.com/a/212890\\ 
-https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/7/html/system_administrators_guide/sect-managing_services_with_systemd-unit_files 
  
operating_systems/raspbian/easygateway_configuration.1562662129.txt.gz · Last modified: 2019/07/09 08:48 by maferreira