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Monitoring scripts and commands
In addition to the external links available on the wiki in order to track the activity of a node, here are some scripts that can be use to log CPU/RAM/network activities. These can be useful to monitor the node and/or help identify the issues that might occur. Note, the commands below are meant for Ubuntu server. The install commands only need to be run once.
View processes and their usages and kill them:
apt install htop
htop
Collect data every minute and save it in a file:
apt-get install sysstat
nohup pidstat -d -r -s -u -h -p $(pidof massa-node) 60 >> sys_load_cpu_ram_io.txt &
See the whole file starting from the end:
tail -f sys_load_cpu_ram_io.txt
See the whole file starting from the beginning:
cat -f sys_load_cpu_ram_io.txt
See the last 1000 lines:
tail -n 1000 logs.txt
Displays the transmit/receive data in a table:
sudo apt install vnstat
vnstat //for monthly usage + daily usage (today + yesterday)
vnstat -d //for daily usage (1 month period)
vnstat -h //for hourly usage (today + yesterday)
Displays the transmit/receive data in a png file:
sudo apt install vnstati
vnstati -s -i eth0 -o ~/network-log.png //for daily usage (today + yesterday)
vnstati -h -i eth0 -o ~/network-log.png //for hourly usage (today + yesterday)
Setting for eth0 (useful to see if your server is in full-duplex. See FAQ:
ethtool eth0
Get the ip address of your server (needed for the routability setup:
wget -qO- eth0.me
Info about the connection:
ip a
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