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os:kali:openvas [2024/05/04 09:13] – [Update] warnaudos:kali:openvas [2025/08/30 11:57] (current) – [MANUAL WAY] warnaud
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 +====== PURPOSE ======
 +Vulnerability scanner for guest systems hosted in UniFR\\
 +6CPU/16GB/32GBSSD\\
 +Default IP: 192.168.1.42/24 (kali.fortier-family.com)\\
 +OS: Kali Linux\\
 +Open ports: SSH/HTTPS\\
 +
 +
 +
 +====== INSTALL ======
 +Iso 2021.2 from [[https://www.kali.org/get-kali/#kali-bare-metal]]\\
 +Full US install (XFCE + large collection)\\
 +One account at install (sudoers): warnaud LOL
 +
 +====== POST-INSTALL ======
 +===== network =====
 +<code bash> nmtui</code> to put back the DNS which were not set...
 +<code bash>
 +apt update
 +apt upgrade
 +systemctl enable ssh
 +</code>
 +
 +
 +====== SSH ======
 +===== root key-only =====
 +<code bash>vi /etc/ssh/sshd_config</code>
 +<code perl>PermitRootLogin prohibit-password</code>
 +<code bash>systemctl restart ssh</code>
 +===== from some IP =====
 +
 +
 +====== IPv6/rsyslog/ntp ======
 +===== IPv6 =====
 +<code bash>sysctl -w net.ipv6.conf.all.disable_ipv6=1 && sysctl -w net.ipv6.conf.default.disable_ipv6=1 && sysctl -w net.ipv6.conf.lo.disable_ipv6=1
 +</code>
 +<code bash>vi /etc/ssh/sshd_config</code>
 +<code perl>AddressFamily inet</code>
 +<code bash>systemctl restart ssh</code>
 +===== Rsyslog =====
 +<code bash>vi /etc/rsyslog.conf</code>
 +<code perl>
 +# 2020-01-15 renvoi vers (r)syslog.unifr.ch
 +#            la nouvelle machine est  vx-ditsyslog.unifr.ch 134.21.201.50
 +#            l'alias syslog.unifr.ch existe
 +#            utiliser l'adresse IP permet de s'affranchir d'une panne de DNS
 +#            le choix est laissé au sysadmin.
 +*.*     @@IPsyslog-server
 +</code>
 +===== NTP =====
 +<code bash>timedatectl set-timezone Europe/Zurich
 +apt install ntp ntpdate
 +vi /etc/ntp.conf
 +</code>
 +<code perl>
 +#pool 0.debian.pool.ntp.org iburst
 +#pool 1.debian.pool.ntp.org iburst
 +#pool 2.debian.pool.ntp.org iburst
 +#pool 3.debian.pool.ntp.org iburst
 +server ntp.fortier-family.com iburst</code>
 +<code bash>systemctl enable --now ntp
 +ntpq -p</code>
 +
 +
 +
 +====== OpenVAS ======
 +===== Check =====
 +Verify haveged is running
 +<code bash>ps aux | grep -i have</code>
 +===== Install/setup =====
 +<code bash>apt install gvm
 +gvm-setup
 +</code>
 +First update takes ages...\\
 +:!: Don't forget to get the password for the admin account :!:
 +===== Update =====
 +<code bash>gvm-feed-update</code>
 +
 +==== MANUAL WAY ====
 +
 +  * Update NVT Feed
 +<code bash>sudo runuser -u _gvm -- greenbone-nvt-sync</code>
 +
 +  * Update SCAP Feed
 +<code bash>sudo runuser -u _gvm -- greenbone-feed-sync --type SCAP</code>
 +
 +  * Update CERT Feed
 +<code bash>sudo runuser -u _gvm -- greenbone-feed-sync --type CERT</code>
 +
 +  * Update gvmd DATA Feed
 +<code bash>sudo runuser -u _gvm -- greenbone-feed-sync --type GVMD_DATA</code>
 +
 +
 +==== crontab ====
 +<code perl>
 +0 12 * * * for optimize in vaccum analyse cleanup-report-formats cleanup-result-nvts cleanup-config-prefs cleanup-result-severities update-report-cache; do /usr/sbin/gvmd --optimize=$optimize; done
 +0 13 * * * sudo -u _gvm greenbone-scapdata-sync >/var/log/gvm-feed-update-SCAP.log
 +0 15 * * * sudo -u _gvm greenbone-feed-sync --type GVMD_DATA 2>/var/log/gvm-feed-update-GVMD.log
 +0 17 * * * sudo -u _gvm greenbone-certdata-sync >/var/log/gvm-feed-update-CERT.log
 +0 19 * * * sudo -u _gvm greenbone-nvt-sync >/var/log/gvm-feed-update-sync.log
 +</code>
 +====== PDF Problem ======
 +Since September https://forum.greenbone.net/t/kali-linux-cannot-create-pdf-reports/13014/4 :
 +<code bash>
 +vi /var/lib/gvm/gvmd/report_formats/a67ec44b-a708-445d-a6a8-29f76a6a9647/c402cc3e-b531-11e1-9163-406186ea4fc5/latex.xsl
 +</code>
 +<code perl>
 +% \usepackage[utf8x]{inputenc}</code>
 +
 +===== Service =====
 +<code bash>systemctl enable --now gvmd ospd-openvas
 +systemctl enable greenbone-security-assistant
 +systemctl status gvmd ospd-openvas greenbone-security-assistant
 +
 +gvm-check-setup</code>
 +:!: greenbone-security-assistant doesn't need to be up
 +
 +
 +
 +===== Reset password =====
 +<code bash>su - _gvm -s /bin/sh -c "gvmd --user=admin --new-password mypasswd; history -c"
 +history -c</code>
 +
 +
 +
 +====== Xrdp ======
 +
 +<code bash>apt install xrdp</code>
 +<code> systemctl enable --now xrdp</code>
 +===== Fixing "xrdp Authentication is requiredto create a color managed device" =====
 +==== Doesn't work: ====
 +
 +<code bash>
 +echo "polkit.addRule(function(action, subject) {
 + if ((action.id == "org.freedesktop.color-manager.create-device" ||
 + action.id == "org.freedesktop.color-manager.create-profile" ||
 + action.id == "org.freedesktop.color-manager.delete-device" ||
 + action.id == "org.freedesktop.color-manager.delete-profile" ||
 + action.id == "org.freedesktop.color-manager.modify-device" ||
 + action.id == "org.freedesktop.color-manager.modify-profile") &&
 + subject.isInGroup("{users}")) {
 + return polkit.Result.YES;
 + }
 + });" >  /etc/polkit-1/localauthority.conf.d/02-allow-color.d.conf
 +
 +echo "[Allow Colord all Users] Identity=unix-user:* 
 +Action=org.freedesktop.color-manager.create-device;org.freedesktop.color-manager.create-profile;org.freedesktop.color-manager.delete-device;org.freedesktop.color-manager.delete-profile;org.freedesktop.color-manager.modify-device;org.freedesktop.color-manager.modify-profile; 
 +ResultAny=no 
 +ResultInactive=no 
 +ResultActive=yes" > /etc/polkit-1/localauthority/50-local.d/45-allow-colord.pkla
 +</code>
 +:!:
 +<code bash>cp /usr/share/polkit-1/actions/org.freedesktop.color.policy /usr/share/polkit-1/actions/org.freedesktop.color.policy.org
 +rm /usr/share/polkit-1/actions/org.freedesktop.color.policy</code>
 +
 +==== Working solution ====
 +
 +<code bash>
 +vi /usr/share/polkit-1/actions/org.freedesktop.color.policy
 +</code>
 +switch all values to yes
 +<code perl>
 +      <allow_any>yes</allow_any>
 +      <allow_inactive>yes</allow_inactive>
 +      <allow_active>yes</allow_active>
 +</code>
 +And then:
 +<code bash>
 +vi /etc/polkit-1/localauthority.conf.d/02-allow-color.d.conf</code>
 +<code perl>
 +polkit.addRule(function(action, subject) {
 + if ((action.id == "org.freedesktop.color-manager.create-device" ||
 + action.id == "org.freedesktop.color-manager.create-profile" ||
 + action.id == "org.freedesktop.color-manager.delete-device" ||
 + action.id == "org.freedesktop.color-manager.delete-profile" ||
 + action.id == "org.freedesktop.color-manager.modify-device" ||
 + action.id == "org.freedesktop.color-manager.modify-profile") &&
 + subject.isInGroup("{users}")) {
 + return polkit.Result.YES;
 + }
 + });
 +</code>
 +====== Debug ======
 +In case of problem...
 +<code bash> gvm-check-setup
 +systemctl status gvmd ospd-openvas greenbone-security-assistant
 +multitail /var/log/gvm/gsad.log /var/log/gvm/gvmd.log /var/log/gvm/openvas.log /var/log/gvm/ospd-openvas.log
 +</code>
 +====== Upgrade ======
 +===== Postgresql 13 to 14 =====
 +<code bash>
 +apt update
 +apt install postgresql-14 postgresql-server-dev-14
 +diff /etc/postgresql/13/main/postgresql.conf /etc/postgresql/14/main/postgresql.conf
 +diff /etc/postgresql/13/main/pg_hba.conf /etc/postgresql/14/main/pg_hba.conf
 +systemctl stop postgresql
 +su - postgres
 +</code>
 +as user postgres
 +<code bash>
 +/usr/lib/postgresql/14/bin/pg_upgrade \
 +  --old-datadir=/var/lib/postgresql/13/main \
 +  --new-datadir=/var/lib/postgresql/14/main \
 +  --old-bindir=/usr/lib/postgresql/13/bin \
 +  --new-bindir=/usr/lib/postgresql/14/bin \
 +  --old-options '-c config_file=/etc/postgresql/13/main/postgresql.conf' \
 +  --new-options '-c config_file=/etc/postgresql/14/main/postgresql.conf' \
 +  --check
 +</code>
 +if there is an error like "There seems to be a postmaster servicing the new cluster.
 +Please shutdown that postmaster and try again." re-run **systemctl stop postgresql**
 +
 +Then migrate data:
 +<code bash>
 +/usr/lib/postgresql/14/bin/pg_upgrade \
 +  --old-datadir=/var/lib/postgresql/13/main \
 +  --new-datadir=/var/lib/postgresql/14/main \
 +  --old-bindir=/usr/lib/postgresql/13/bin \
 +  --new-bindir=/usr/lib/postgresql/14/bin \
 +  --old-options '-c config_file=/etc/postgresql/13/main/postgresql.conf' \
 +  --new-options '-c config_file=/etc/postgresql/14/main/postgresql.conf'
 +
 +exit
 +</code>
 +then as root, swap the ports and relaunch service
 +<code bash>
 +vi /etc/postgresql/14/main/postgresql.conf
 +# ...and change "port = 5433" to "port = 5432"
 +
 +vi /etc/postgresql/13/main/postgresql.conf
 +# ...and change "port = 5432" to "port = 5433"
 +
 +
 +systemctl disable postgresql@13-main.service
 +systemctl start postgresql
 +</code>
 +===== Postgresql 14 to 15 =====
 +<code bash>
 +apt update
 +apt install postgresql-15 postgresql-server-dev-15
 +diff /etc/postgresql/14/main/postgresql.conf /etc/postgresql/15/main/postgresql.conf
 +diff /etc/postgresql/14/main/pg_hba.conf /etc/postgresql/15/main/pg_hba.conf
 +systemctl stop postgresql
 +su - postgres
 +</code>
 +as user postgres
 +<code bash>
 +/usr/lib/postgresql/15/bin/pg_upgrade \
 +  --old-datadir=/var/lib/postgresql/14/main \
 +  --new-datadir=/var/lib/postgresql/15/main \
 +  --old-bindir=/usr/lib/postgresql/14/bin \
 +  --new-bindir=/usr/lib/postgresql/15/bin \
 +  --old-options '-c config_file=/etc/postgresql/14/main/postgresql.conf' \
 +  --new-options '-c config_file=/etc/postgresql/15/main/postgresql.conf' \
 +  --check
 +</code>
 +if there is an error like "There seems to be a postmaster servicing the new cluster.
 +Please shutdown that postmaster and try again." re-run **systemctl stop postgresql**
 +
 +Then migrate data:
 +<code bash>
 +/usr/lib/postgresql/15/bin/pg_upgrade \
 +  --old-datadir=/var/lib/postgresql/14/main \
 +  --new-datadir=/var/lib/postgresql/15/main \
 +  --old-bindir=/usr/lib/postgresql/14/bin \
 +  --new-bindir=/usr/lib/postgresql/15/bin \
 +  --old-options '-c config_file=/etc/postgresql/14/main/postgresql.conf' \
 +  --new-options '-c config_file=/etc/postgresql/15/main/postgresql.conf'
 +
 +exit
 +</code>
 +then as root, swap the ports and relaunch service
 +<code bash>
 +vi /etc/postgresql/15/main/postgresql.conf
 +# ...and change "port = 5433" to "port = 5432"
 +
 +vi /etc/postgresql/14/main/postgresql.conf
 +# ...and change "port = 5432" to "port = 5433"
 +
 +
 +systemctl disable postgresql@14-main.service
 +systemctl start postgresql
 +</code>
 +===== Postgresql 15 to 16 =====
 +Reference: https://medium.com/@gembit.soultan/how-to-upgrade-postgresql-15-to-postgresql-16-using-pg-upgradeclusters-in-ubuntu-22-04-c9f279c5d3ab
 +<code bash> pg_lsclusters</code>
 +<code>
 +Ver Cluster Port Status Owner    Data directory              Log file
 +15  main    5432 online postgres /var/lib/postgresql/15/main /var/log/postgresql/postgresql-15-main.log
 +16  main    5433 online postgres /var/lib/postgresql/16/main /var/log/postgresql/postgresql-16-main.log</code>
 +<code bash>pg_dropcluster 16 main --stop
 +pg_lsclusters</code>
 +<code>
 +Ver Cluster Port Status Owner    Data directory              Log file
 +15  main    5432 online postgres /var/lib/postgresql/15/main /var/log/postgresql/postgresql-15-main.log
 +</code>
 +<code bash>pg_upgradecluster 15 main</code>
 +<code>
 +...
 +Success. Please check that the upgraded cluster works. If it does,
 +you can remove the old cluster with
 +    pg_dropcluster 15 main
 +
 +Ver Cluster Port Status Owner    Data directory              Log file
 +15  main    5433 down   postgres /var/lib/postgresql/15/main /var/log/postgresql/postgresql-15-main.log
 +Ver Cluster Port Status Owner    Data directory              Log file
 +16  main    5432 online postgres /var/lib/postgresql/16/main /var/log/postgresql/postgresql-16-main.log
 +</code>
 +<code bash>pg_dropcluster 15 main
 +apt purge postgresql-15 postgresql-client-15
 +</code>
 +
 +===== Postgresql 16 to 17 =====
 +<code bash> pg_lsclusters</code>
 +<code>
 +Ver Cluster Port Status Owner    Data directory              Log file
 +16  main    5432 online postgres /var/lib/postgresql/16/main /var/log/postgresql/postgresql-16-main.log
 +17  main    5433 online postgres /var/lib/postgresql/17/main /var/log/postgresql/postgresql-17-main.log</code>
 +<code bash>pg_dropcluster 17 main --stop
 +pg_lsclusters</code>
 +<code>
 +Ver Cluster Port Status Owner    Data directory              Log file
 +16  main    5432 online postgres /var/lib/postgresql/16/main /var/log/postgresql/postgresql-16-main.log
 +</code>
 +<code bash>pg_upgradecluster 16 main</code>
 +<code>
 +....
 +Stopping target cluster...
 +Stopping old cluster...
 +Disabling automatic startup of old cluster...
 +Starting upgraded cluster on port 5432...
 +Running finish phase upgrade hook scripts ...
 +vacuumdb: processing database "gvmd": Generating minimal optimizer statistics (1 target)
 +vacuumdb: processing database "postgres": Generating minimal optimizer statistics (1 target)
 +vacuumdb: processing database "template1": Generating minimal optimizer statistics (1 target)
 +vacuumdb: processing database "gvmd": Generating medium optimizer statistics (10 targets)
 +vacuumdb: processing database "postgres": Generating medium optimizer statistics (10 targets)
 +vacuumdb: processing database "template1": Generating medium optimizer statistics (10 targets)
 +vacuumdb: processing database "gvmd": Generating default (full) optimizer statistics
 +vacuumdb: processing database "postgres": Generating default (full) optimizer statistics
 +vacuumdb: processing database "template1": Generating default (full) optimizer statistics
 +
 +Success. Please check that the upgraded cluster works. If it does,
 +you can remove the old cluster with
 +    pg_dropcluster 16 main
 +
 +Ver Cluster Port Status Owner    Data directory              Log file
 +16  main    5433 down   postgres /var/lib/postgresql/16/main /var/log/postgresql/postgresql-16-main.log
 +Ver Cluster Port Status Owner    Data directory              Log file
 +17  main    5432 online postgres /var/lib/postgresql/17/main /var/log/postgresql/postgresql-17-main.log
 +
 +</code>
 +<code bash>pg_dropcluster 16 main
 +apt purge postgresql-16 postgresql-client-16
 +</code>
 +====== Logrotate ======
 +There was an issue with /etc/logrotate.d/ files:
 +<code bash>
 +systemctl --failed
 +  UNIT              LOAD   ACTIVE SUB    DESCRIPTION
 +● logrotate.service loaded failed failed Rotate log files
 +
 +LOAD   = Reflects whether the unit definition was properly loaded.
 +ACTIVE = The high-level unit activation state, i.e. generalization of SUB.
 +SUB    = The low-level unit activation state, values depend on unit type.
 +1 loaded units listed.
 +
 +systemctl status logrotate
 +× logrotate.service - Rotate log files
 +     Loaded: loaded (/lib/systemd/system/logrotate.service; static)
 +     Active: failed (Result: exit-code) since Wed 2022-06-01 06:54:28 CEST; 2s ago
 +TriggeredBy: ● logrotate.timer
 +       Docs: man:logrotate(8)
 +             man:logrotate.conf(5)
 +    Process: 96050 ExecStart=/usr/sbin/logrotate /etc/logrotate.conf (code=exited, status=1/FAILURE)
 +   Main PID: 96050 (code=exited, status=1/FAILURE)
 +        CPU: 24ms
 +
 +Jun 01 06:54:28 svx-vs1 systemd[1]: Starting Rotate log files...
 +Jun 01 06:54:28 svx-vs1 logrotate[96050]: error: gsad:1 duplicate log entry for /var/log/gvm/gsad.log
 +Jun 01 06:54:28 svx-vs1 logrotate[96050]: error: found error in file gsad, skipping
 +Jun 01 06:54:28 svx-vs1 systemd[1]: logrotate.service: Main process exited, code=exited, status=1/FAILURE
 +Jun 01 06:54:28 svx-vs1 systemd[1]: logrotate.service: Failed with result 'exit-code'.
 +Jun 01 06:54:28 svx-vs1 systemd[1]: Failed to start Rotate log files.
 +</code>
 +Indeed:
 +<code bash>
 +grep "/var/log/gvm/gsad.log" /etc/logrotate.d/*
 +/etc/logrotate.d/greenbone-security-assistant:/var/log/gvm/gsad.log {
 +/etc/logrotate.d/greenbone-security-assistant:    openvaslogs=`ls /var/log/gvm/gsad.log.*`
 +/etc/logrotate.d/gsad:/var/log/gvm/gsad.log {
 +/etc/logrotate.d/gsad:    openvaslogs=`ls /var/log/gvm/gsad.log.*`
 +</code>
 +
 +let's "fix" it
 +<code>
 +mv /etc/logrotate.d/greenbone-security-assistant .
 +systemctl restart logrotate
 +</code>
 +====== postgreSQL ======
 +:! using psql works, the .conf crashes the gvmd service... :!:\\
 +Using [[https://pgtune.leopard.in.ua/|PGTune]] added the following lines at the end of **/etc/postgresql/14/main/postgresql.conf**:
 +<code bash> su - postgres
 +psql</code>
 +<code sql>
 +ALTER SYSTEM SET
 + max_connections = '20';
 +ALTER SYSTEM SET
 + shared_buffers = '4GB';
 +ALTER SYSTEM SET
 + effective_cache_size = '12GB';
 +ALTER SYSTEM SET
 + maintenance_work_mem = '1GB';
 +ALTER SYSTEM SET
 + checkpoint_completion_target = '0.9';
 +ALTER SYSTEM SET
 + wal_buffers = '16MB';
 +ALTER SYSTEM SET
 + default_statistics_target = '100';
 +ALTER SYSTEM SET
 + random_page_cost = '1.1';
 +ALTER SYSTEM SET
 + effective_io_concurrency = '200';
 +ALTER SYSTEM SET
 + work_mem = '52428kB';
 +ALTER SYSTEM SET
 + min_wal_size = '1GB';
 +ALTER SYSTEM SET
 + max_wal_size = '4GB';
 +ALTER SYSTEM SET
 + max_worker_processes = '16';
 +ALTER SYSTEM SET
 + max_parallel_workers_per_gather = '4';
 +ALTER SYSTEM SET
 + max_parallel_workers = '16';
 +ALTER SYSTEM SET
 + max_parallel_maintenance_workers = '4';
 +</code>
 +===== Optimisation =====
 +From : https://community.greenbone.net/t/optimizing-postgresql-for-gvmd/6713/17
 +<code bash>
 +/usr/sbin/gvmd --optimize=vacuum
 +/usr/sbin/gvmd --optimize=analyze
 +/usr/sbin/gvmd --optimize=cleanup-report-formats
 +/usr/sbin/gvmd --optimize=cleanup-result-nvts
 +/usr/sbin/gvmd --optimize=cleanup-config-prefs
 +/usr/sbin/gvmd --optimize=cleanup-result-severities
 +/usr/sbin/gvmd --optimize=update-report-cache
 +</code>
 +in the crontab:
 +<code bash> for optimize in vaccum analyse cleanup-report-formats cleanup-result-nvts cleanup-config-prefs cleanup-result-severities update-report-cache; do /usr/sbin/gvmd --optimize=$optimize; done</code>
 +
 +
 +
 +
 +
 +
 +====== Checks after update ======
 +  * scan 
 +  * pdf generation
 +
 +====== Journal ======
 +  * PDF 0 Byte -> edit var/lib/gvm/gvmd/report_formats/a67ec44b-a708-445d-a6a8-29f76a6a9647/c402cc3e-b531-11e1-9163-406186ea4fc5/latex.xsl (comment \usepackage[utf8x]{inputenc})
 +  * Redis server out of memory <=> task stopped ( add more ram (32GB) + 64GB swap)<code bash>echo 1 > /proc/sys/vm/overcommit_memory</code> <code bash>fallocate -l 64G /mnt/64GB.swap
 +dd if=/dev/zero of=/mnt/64GB.swap bs=1024 count=67108864
 +echo "vm.swappiness=10" > /etc/sysctl.conf
 +chmod 0600 /mnt/64GB.swap
 +mkswap /mnt/64GB.swap
 +swapon /mnt/64GB.swap
 + 
 +echo "/mnt/64GB.swap  none  swap  sw 0  0" >>/etc/fstab</code>
 +
 +
 +====== Services update ======
 +<code bash>
 +apt update && apt dist-upgrade -y
 +gvm-stop
 +su - _gvm -s /bin/sh -c "gvmd --migrate"
 +vi /lib/systemd/system/greenbone-security-assistant.service # check port
 +systemctl daemon-reload && systemctl restart gvmd.service gsad.service greenbone-security-assistant.service</code>
 +
 +
 +====== Running on different port ======
 +<code bash> vi /lib/systemd/system/gsad.service</code>
 +<code perl>
 +[Unit]
 +Description=Greenbone Security Assistant daemon (gsad)
 +Documentation=man:gsad(8) https://www.greenbone.net
 +After=network.target gvmd.service
 +Wants=gvmd.service
 +
 +[Service]
 +Type=exec
 +User=_gvm
 +Group=_gvm
 +RuntimeDirectory=gsad
 +RuntimeDirectoryMode=2775
 +PIDFile=/run/gsad/gsad.pid
 +ExecStart=/usr/sbin/gsad --foreground --listen 127.0.0.1 --port 9392
 +Restart=always
 +TimeoutStopSec=10
 +
 +[Install]
 +WantedBy=multi-user.target
 +Alias=greenbone-security-assistant.service
 +</code>
 +Change 
 +<code perl> ExecStart=/usr/sbin/gsad --foreground --listen 127.0.0.1 --port 9392</code>
 +to 
 +<code perl> ExecStart=/usr/sbin/gsad --foreground --listen 0.0.0.0 --port 443</code>
 +
 +====== Email size ======
 +If you get the message "Note: This report exceeds the maximum length of XXXXX characters..." in your mail report:
 +<code bash>
 +vi /lib/systemd/system/gvmd.service</code>
 +<code perl>
 +...
 +ExecStart=/usr/sbin/gvmd --osp-vt-update=/run/ospd/ospd.sock --listen-group=_gvm --max-email-attachment-size=-1 --max-email-include-size=-1
 +...
 +</code>
 +<code bash>
 +systemctl daemon-reload
 +systemctl restart gvmd
 +systemctl status gvmd
 +</code>
 +<code perl>
 +● gvmd.service - Greenbone Vulnerability Manager daemon (gvmd)
 +     Loaded: loaded (/lib/systemd/system/gvmd.service; enabled; preset: disabled)
 +     Active: active (running) since Wed 2023-11-15 09:29:51 CET; 7s ago
 +       Docs: man:gvmd(8)
 +    Process: 278417 ExecStart=/usr/sbin/gvmd --osp-vt-update=/run/ospd/ospd.sock --listen-group=_gvm --max-email-attachment-size=8000000 --max-email-include-size=8000000 --max-email-message-size=8000000 (code=exited, status=0/SUCCESS)
 +   Main PID: 278420 (gvmd)
 +      Tasks: 1 (limit: 9312)
 +     Memory: 184.2M
 +        CPU: 1.742s
 +     CGroup: /system.slice/gvmd.service
 +             └─278420 "gvmd: Waiting " --osp-vt-update=/run/ospd/ospd.sock --listen-group=_gvm --max-email-attachment-size=8000000 --max-email-include-size=8000000 --max-email-message-size=8000000
 +
 +Nov 15 09:29:48 kali systemd[1]: Starting gvmd.service - Greenbone Vulnerability Manager daemon (gvmd)...
 +Nov 15 09:29:48 kali systemd[1]: gvmd.service: Can't open PID file /run/gvmd/gvmd.pid (yet?) after start: No such file or directory
 +Nov 15 09:29:51 kali systemd[1]: Started gvmd.service - Greenbone Vulnerability Manager daemon (gvmd).
 +</code>
 +Better:
 +<code>
 +ExecStart=/usr/sbin/gvmd --osp-vt-update=/run/ospd/ospd.sock --listen-group=_gvm --max-email-attachment-size=-1 --max-email-include-size=-1
 +</code>
 +====== References ======
 +  * https://stafwag.github.io/blog/blog/2021/02/28/howto-install-opevas-on-kali/ [OUTDATED]
 +  * https://emre.rocks/blog/2021/05/15/how-to-install-openvas-in-kali-linux/
 +  * https://linuxhint.com/install-openvas-kali-linux/
 +  * https://www.securitynewspaper.com/2020/12/19/how-to-configure-run-and-automate-openvas-free-vulnerability-scanner/
 +  * https://www.hackingtutorials.org/scanning-tutorials/vulnerability-scanning-openvas-9-0-part-2/
 +  * https://rafaelhart.com/2019/10/installing-xrdp-on-kali-linux/ | https://c-nergy.be/blog/?p=12073
 +  * https://www.youtube.com/watch?v=_eLI8XuXf4I
 +  * https://consulting-insights.de/2021-03/fix-for-kali-linux-xrdp-authentication-is-required-to-create-a-color-managed-device
 +  * https://www.kostolansky.sk/posts/upgrading-to-postgresql-14/
 +  * https://kifarunix.com/install-gvm-21-04-on-debian-11-debian-10/
 +  * https://bugs.kali.org/view.php?id=7617#c15926
 +  * https://forum.greenbone.net/t/kali-linux-cannot-create-pdf-reports/13014/4
 +  * https://forum.greenbone.net/t/i-need-help-i-cant-see-the-reports-be-sent-out-because-of-maximum-length/14483/2
 +  * https://www.geeksforgeeks.org/installing-openvas-on-kali-linux/