five-of-the-best-free-network-monitoring-software-tools/|Five Of The Best Free Network Monitoring Software Tools]]
* [[https://www.webpagefx.com/blog/web-design/10-free-server-network-monitoring-tools-that-kick-ass/|10 Free Server & Network Monitoring Tools that Kick Ass]]
===== Outils =====
* [[http
il ne faut pas utiliser bind :
* http://cr.yp.to/djbdns/blurb/unbind.html
* http://cr.yp.to/djbdns/blurb/bindmoney.html
Pourquoi djbdns est plus secure que bind :
* http://cr.yp.to/djbdns/blurb/security.html
De l'importance de sép... ache des serveurs autoritaires :
* http://cr.yp.to/djbdns/separation.html
Sur l'wiki Sos-Admin :
nux/use-command-line-arguments-in-bash-script|How to Use Command Line Arguments in a Bash Script]]
*... s.hmc.edu/twiki/bin/view/QREF/Sed|An introduction to sed]]
> [[http://stackoverflow.com/questions/91110/how-to-match-a-single-quote-in-sed|How to match a single quote in sed if the expression is enclosed in singl
a quick way of saying you want recursion and want to preserve everything.
-r, --recursive recurse ... /bin/rsync
# note the important use of --relative to use relative paths so we don't have to specify the exact path on dest
RSYNC_OPTS="-aAXv --numeric-ids... r -o Compression=no -x"
# ENV SETUP
SRCDIR=/path/to/good/brick
DESTDIR=/path/to/bad/brick
# Recommend
connexions TCP des erreurs apparaissent, comme ''too many open files''.
Sources:
* https://klaver.... # Decrease the time default value for connections to keep alive
# debian 10.4 = 7200
net.ipv4.tcp_keep... 0.4 = 75
net.ipv4.tcp_keepalive_intvl = 15
# try to reuse time-wait connections, but don't recycle th... # Limit number of orphans, each orphan can eat up to 16M (max wmem) of unswappable memory
# debian 10.
défaut, d'autre pas.
On va créer un user avec un tout autre nom, qui sera ''sudoer'' et qu'il faudra ... in
# adduser USER GROUP
# Add an existing user to an existing group
adduser tintin sudo
Adding user 'tintin' to group 'sudo' ...
Done.
</code>
Vérifier que le ... # nano /etc/sudoers
# Allow members of group sudo to execute any command
%sudo ALL=(ALL:ALL) NOPASSWD:
atique/files_synchronization]]
Pour sauvegarder tous les 1/4 d'heure de très nombreux fichiers (45Go... t all of the required technology already built in to recreate it. This is a simple GUI to make it easy to use.
http://flyback-project.org/
==== TimeVault ====
A GNOME Backup/Snapshot Syst
ps://www.digitalocean.com/community/tutorials/how-to-use-journalctl-to-view-and-manipulate-systemd-logs-fr
La config est dans ''/etc/systemd/journald.con...
journalctl -k
Volume utilisé par le journal
tools:~$ sudo journalctl --disk-usage
Archived a
l|Actions]]
==== Tips ====
For TAG don't forget to add **":"** at end of value !! Like ''$syslogtag=... elp.html|omrelp]]
<code>
# forward some messages to server
module(load="omrelp")
*.* action(type="omr... /admin-guide/monitoring/logging/#syslog]]
* [[https://chabik.com/2019/02/nginx-logging-to-syslog/]]
/questions/1621517/having-all-systemd-timers-mail-to-root-on-error
''OnFailure'' est lié au démarrage... rs/linux/timers/
- https://www.siberoloji.com/how-to-use-systemd-timers-instead-of-cron-in-debian-12-b... nsactions
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ban
===== Tips & Tricks =====
Voir le status de toutes les ''jails''
<code bash>
sudo fail2ban-clie... ort=http,https
logpath=/var/log/nginx/www.parents-touraine.fr_access.log
# "bantime" is the number of
SS -c $IP /home.tar
</code>
* -b specifie qu'il tournera en tache de fond
* -E specifie de ne pas ... ogin
* -p le password
* -R specifie de copier toutes les sous repertoires
* -m specifie de créer
tilisé
time (tar -c systemed-tilemaker| gzip -9 > toto.tgz)
real 7m12,279s
user 7m3,496s
sys 0m30,090s
# pigz : tous les cores sont utilisés
time (tar -c systemed-tilemaker| pigz -9 > toto.tgz)
real 1m3,982s
user 14m58,572s
sys 0m27,46
_exporter aims at porting Grok from the ELK stack to Prometheus monitoring. The goal is to use Grok patterns for extracting Prometheus metrics from arbitr
s://rclone.org/
Rclone is a command-line program to manage files on cloud storage. It is a feature-rich alternative to cloud vendors' web storage interfaces. Over 70 cl
