* [[https://www.libertycenterone.com/blog/five-of-the-best-free-network-monitoring-software-tools/|Five Of The Best Free Network Monitoring Software Tools]]
*... nd What They Are Doing
- uptime - Tell How Long The System Has Been Running
- ps - Displays The Processes
- free - Memory Usage
- mpstat - Multiproc
rmally rsync will skip any files that are already the same length and have the same time-stamp. This option turns off this behavior.
--size-only only us... st
--delete delete files that don't exist on the sending side
--delete-after delete after tran... c
# RSYNC SETUP
RSYNC_PROG=/usr/bin/rsync
# note the important use of --relative to use relative paths
seradd [options] LOGIN
# -m, --create-home create the user's home directory
# -U, --user-group create a group with the same name as the user
useradd -m -U -s /bin/bash tintin
# adduser USER GROUP
# Add an existing user... tall git
sudo apt install git
# generate ssh key, the public one will be used in gitlab repository depl
//github.com/fstab/grok_exporter|grok_exporter]]. The grok_exporter aims at porting Grok from the ELK stack to Prometheus monitoring. The goal is to use Grok patterns for extracting Prometheus metrics... /prometheus/blackbox_exporter|blackbox_exporter]] The blackbox exporter allows blackbox probing of endp
ww.parents-touraine.fr_access.log
# "bantime" is the number of seconds that a host is banned.
bantime ... t is banned if it has generated "maxretry" during the last "findtime"
findtime = 10m
# "maxretry" is the number of failures before a host get banned.
maxre
postfix.service
et aussi ''-t Show messages for the specified syslog identifier''
sudo journalctl -...
Archived and active journals take up 3.7G in the file system.
Et fait le ménage
journalctl --vac
re units that are activated when this unit enters the "failed" state.
OnFailure=onfailure-email@%N.serv... tml
# Additional commands that are executed after the service is stopped.
#ExecStopPost=
</code>
Le ti
00
net.core.netdev_max_backlog = 4096
# Decrease the time default value for tcp_fin_timeout connection... 0.4 = 60
net.ipv4.tcp_fin_timeout = 15
# Decrease the time default value for connections to keep alive
