This type of TPS management task requires you to setup serial port or Secure Shell connection to Linux TPS.
To display the messages system has collected, use command:
Called with no options it displays all system events within
console pager program that allows you to scroll up and down with the keyboard
navigation keys. The oldest entries is on top.
Hit q hot key to exit from journal pager.
Called with -b flag journalctl shows all of the journal entries
since the most recent reboot:
root@tpp:~# journalctl -b
Events selection by date/time intervals with the --since and --until options:
root@tpp:~# journalctl --since "2016-01-27 00:00:00" --until "2016-01-27 16:00:00"
Program also supports selection by relative timestamps:
root@tpp:~# journalctl --since yesterday --until "1 hour ago"
Unit journal selection with the -u flag is the one of the
root@tpp:~# journalctl -u ag_server
In the above example we're selecting all AggreGate Server events.
To monitor for a new events in real time use -f and -l flags:
root@tpp:~# journalctl -f -l
Feature-rich atop and traditional top CLI utilities are an interactive
monitors that help you to view system load in real time.
In the meantime atop cannot run in a secure shell session. It requires serial port CLI.
To see the current system usage for the critical hardware resources (RAM, CPU, disk and network) run:
for Secure Shell CLI session or
in the serial console.
Hit q key to quit both utilities.
Read more about top and top utilities in WWW.
Well-known Linux utility df gives information about all mounted media:
root@tpp:~# df -h
The point of interest is ubi0:rootfs mounted on /
root@tpp:~# df -h
Filesystem Size Used Available Use% Mounted on
ubi0:rootfs 440.5M 233.2M 207.3M 53% /
ifconfig utility is the well-known Linux tool to view and change
configuration of the network interfaces.
Good old route utility able to give you information about current routing table:
root@tpp:~# route -n
Temporary add default gateway:
root@tpp:~# route add default gw 192.168.75.1 eth0
root@tpp:~# ip addr showwich functionality may overlap both tools mentioned above.