root@OpenWrt:~# uci show fstab
fstab.@global[0]=global
fstab.@global[0].anon_swap='0'
fstab.@global[0].anon_mount='0'
fstab.@global[0].auto_swap='1'
fstab.@global[0].auto_mount='1'
fstab.@global[0].delay_root='5'
fstab.@global[0].check_fs='0'
fstab.@mount[0]=mount
fstab.@mount[0].enabled='1'
fstab.@mount[0].device='/dev/sda1'
fstab.@mount[0].target='/'
root@OpenWrt:~#
root@OpenWrt:~# mount
/dev/root on /rom type squashfs (ro,relatime)
proc on /proc type proc (rw,nosuid,nodev,noexec,noatime)
sysfs on /sys type sysfs (rw,nosuid,nodev,noexec,noatime)
tmpfs on /tmp type tmpfs (rw,nosuid,nodev,noatime)
/dev/ubi0_1 on /overlay type ubifs (rw,noatime,ubi=0,vol=1)
overlayfs:/overlay on / type overlay (rw,noatime,lowerdir=/,upperdir=/overlay/upper,workdir=/overlay/work)
tmpfs on /dev type tmpfs (rw,nosuid,relatime,size=512k,mode=755)
devpts on /dev/pts type devpts (rw,nosuid,noexec,relatime,mode=600,ptmxmode=000)
debugfs on /sys/kernel/debug type debugfs (rw,noatime)
root@OpenWrt:~#
root@OpenWrt:~# uci show vnstat
vnstat.@vnstat[0]=vnstat
vnstat.@vnstat[0].interface='br-lan' 'eth0.2'
root@OpenWrt:~#
root@OpenWrt:~# cat /etc/vnstat.conf
# vnStat 1.18 config file
##
# default interface
Interface "eth0"
# location of the database directory
DatabaseDir "/tmp/extroot/"
# locale (LC_ALL) ("-" = use system locale)
Locale "-"
# on which day should months change
MonthRotate 1
# date output formats for -d, -m, -t and -w
# see 'man date' for control codes
DayFormat "%d-%m-%Y"
MonthFormat "%d-%m-%Y"
TopFormat "%x"
# characters used for visuals
RXCharacter "%"
TXCharacter ":"
RXHourCharacter "r"
TXHourCharacter "t"
# how units are prefixed when traffic is shown
# 0 = IEC standard prefixes (KiB/MiB/GiB/TiB)
# 1 = old style binary prefixes (KB/MB/GB/TB)
UnitMode 0
# how units are prefixed when traffic rate is shown
# 0 = IEC binary prefixes (Kibit/s...)
# 1 = SI decimal prefixes (kbit/s...)
RateUnitMode 1
# output style
# 0 = minimal & narrow, 1 = bar column visible
# 2 = same as 1 except rate in summary and weekly
# 3 = rate column visible
OutputStyle 3
# used rate unit (0 = bytes, 1 = bits)
RateUnit 1
# number of decimals to use in outputs
DefaultDecimals 2
HourlyDecimals 1
# spacer for separating hourly sections (0 = none, 1 = '|', 2 = '][', 3 = '[ ]')
HourlySectionStyle 2
# try to detect interface maximum bandwidth, 0 = disable feature
# MaxBandwidth will be used as fallback value when enabled
BandwidthDetection 1
# maximum bandwidth (Mbit) for all interfaces, 0 = disable feature
# (unless interface specific limit is given)
MaxBandwidth 1000
# interface specific limits
# example 8Mbit limit for 'ethnone':
MaxBWethnone 8
# how many seconds should sampling for -tr take by default
Sampletime 5
# default query mode
# 0 = normal, 1 = days, 2 = months, 3 = top10
# 4 = exportdb, 5 = short, 6 = weeks, 7 = hours
QueryMode 0
# filesystem disk space check (1 = enabled, 0 = disabled)
CheckDiskSpace 1
# database file locking (1 = enabled, 0 = disabled)
UseFileLocking 1
# how much the boot time can variate between updates (seconds)
BootVariation 15
# log days without traffic to daily list (1 = enabled, 0 = disabled)
TrafficlessDays 1
# vnstatd
##
# switch to given user when started as root (leave empty to disable)
DaemonUser ""
# switch to given user when started as root (leave empty to disable)
DaemonGroup ""
# how many minutes to wait during daemon startup for system clock to
# sync time if most recent database update appears to be in the future
TimeSyncWait 5
# how often (in seconds) interface data is updated
UpdateInterval 60
# how often (in seconds) interface status changes are checked
PollInterval 30
# how often (in minutes) data is saved to file
SaveInterval 15
# how often (in minutes) data is saved when all interface are offline
OfflineSaveInterval 30
# how often (in minutes) bandwidth detection is redone when
# BandwidthDetection is enabled (0 = disabled)
BandwidthDetectionInterval 5
# force data save when interface status changes (1 = enabled, 0 = disabled)
SaveOnStatusChange 1
# enable / disable logging (0 = disabled, 1 = logfile, 2 = syslog)
UseLogging 2
# create dirs if needed (1 = enabled, 0 = disabled)
CreateDirs 1
# update ownership of files if needed (1 = enabled, 0 = disabled)
UpdateFileOwner 1
# file used for logging if UseLogging is set to 1
LogFile "/var/log/vnstat/vnstat.log"
# file used as daemon pid / lock file
PidFile "/var/run/vnstat/vnstat.pid"
# vnstati
##
# title timestamp format
HeaderFormat "%x %H:%M"
# show hours with rate (1 = enabled, 0 = disabled)
HourlyRate 1
# show rate in summary (1 = enabled, 0 = disabled)
SummaryRate 1
root@OpenWrt:~# cat /etc/vnstat.conf
# vnStat 1.18 config file
##
# default interface
Interface "eth0"
# location of the database directory
DatabaseDir "/tmp/extroot/"
# locale (LC_ALL) ("-" = use system locale)
Locale "-"
# on which day should months change
MonthRotate 1
# date output formats for -d, -m, -t and -w
# see 'man date' for control codes
DayFormat "%d-%m-%Y"
MonthFormat "%d-%m-%Y"
TopFormat "%x"
# characters used for visuals
RXCharacter "%"
TXCharacter ":"
RXHourCharacter "r"
TXHourCharacter "t"
# how units are prefixed when traffic is shown
# 0 = IEC standard prefixes (KiB/MiB/GiB/TiB)
# 1 = old style binary prefixes (KB/MB/GB/TB)
UnitMode 0
# how units are prefixed when traffic rate is shown
# 0 = IEC binary prefixes (Kibit/s...)
# 1 = SI decimal prefixes (kbit/s...)
RateUnitMode 1
# output style
# 0 = minimal & narrow, 1 = bar column visible
# 2 = same as 1 except rate in summary and weekly
# 3 = rate column visible
OutputStyle 3
# used rate unit (0 = bytes, 1 = bits)
RateUnit 1
# number of decimals to use in outputs
DefaultDecimals 2
HourlyDecimals 1
# spacer for separating hourly sections (0 = none, 1 = '|', 2 = '][', 3 = '[ ]')
HourlySectionStyle 2
# try to detect interface maximum bandwidth, 0 = disable feature
# MaxBandwidth will be used as fallback value when enabled
BandwidthDetection 1
# maximum bandwidth (Mbit) for all interfaces, 0 = disable feature
# (unless interface specific limit is given)
MaxBandwidth 1000
# interface specific limits
# example 8Mbit limit for 'ethnone':
MaxBWethnone 8
# how many seconds should sampling for -tr take by default
Sampletime 5
# default query mode
# 0 = normal, 1 = days, 2 = months, 3 = top10
# 4 = exportdb, 5 = short, 6 = weeks, 7 = hours
QueryMode 0
# filesystem disk space check (1 = enabled, 0 = disabled)
CheckDiskSpace 1
# database file locking (1 = enabled, 0 = disabled)
UseFileLocking 1
# how much the boot time can variate between updates (seconds)
BootVariation 15
# log days without traffic to daily list (1 = enabled, 0 = disabled)
TrafficlessDays 1
# vnstatd
##
# switch to given user when started as root (leave empty to disable)
DaemonUser ""
# switch to given user when started as root (leave empty to disable)
DaemonGroup ""
# how many minutes to wait during daemon startup for system clock to
# sync time if most recent database update appears to be in the future
TimeSyncWait 5
# how often (in seconds) interface data is updated
UpdateInterval 60
# how often (in seconds) interface status changes are checked
PollInterval 30
# how often (in minutes) data is saved to file
SaveInterval 15
# how often (in minutes) data is saved when all interface are offline
OfflineSaveInterval 30
# how often (in minutes) bandwidth detection is redone when
# BandwidthDetection is enabled (0 = disabled)
BandwidthDetectionInterval 5
# force data save when interface status changes (1 = enabled, 0 = disabled)
SaveOnStatusChange 1
# enable / disable logging (0 = disabled, 1 = logfile, 2 = syslog)
UseLogging 2
# create dirs if needed (1 = enabled, 0 = disabled)
CreateDirs 1
# update ownership of files if needed (1 = enabled, 0 = disabled)
UpdateFileOwner 1
# file used for logging if UseLogging is set to 1
LogFile "/var/log/vnstat/vnstat.log"
# file used as daemon pid / lock file
PidFile "/var/run/vnstat/vnstat.pid"
# vnstati
##
# title timestamp format
HeaderFormat "%x %H:%M"
# show hours with rate (1 = enabled, 0 = disabled)
HourlyRate 1
# show rate in summary (1 = enabled, 0 = disabled)
SummaryRate 1
# layout of summary (1 = with monthly, 0 = without monthly)
SummaryLayout 1
# transparent background (1 = enabled, 0 = disabled)
TransparentBg 0
# image colors
CBackground "FFFFFF"
CEdge "AEAEAE"
CHeader "606060"
CHeaderTitle "FFFFFF"
CHeaderDate "FFFFFF"
CText "000000"
CLine "B0B0B0"
CLineL "-"
CRx "92CF00"
CTx "606060"
CRxD "-"
CTxD "-"
root@OpenWrt:~# ps
PID USER VSZ STAT COMMAND
1 root 1568 S /sbin/procd
2 root 0 SW [kthreadd]
3 root 0 IW [kworker/0:0]
4 root 0 IW< [kworker/0:0H]
5 root 0 IW [kworker/u4:0]
6 root 0 IW< [mm_percpu_wq]
7 root 0 SW [ksoftirqd/0]
8 root 0 IW [rcu_sched]
9 root 0 IW [rcu_bh]
10 root 0 SW [migration/0]
11 root 0 SW [cpuhp/0]
12 root 0 SW [cpuhp/1]
13 root 0 SW [migration/1]
14 root 0 SW [ksoftirqd/1]
15 root 0 IW [kworker/1:0]
16 root 0 IW< [kworker/1:0H]
17 root 0 RW [kworker/u4:1]
57 root 0 IW [kworker/0:1]
115 root 0 IW [kworker/1:1]
128 root 0 SW [oom_reaper]
129 root 0 IW< [writeback]
131 root 0 SW [kcompactd0]
132 root 0 IW< [crypto]
134 root 0 IW< [kblockd]
166 root 0 IW< [watchdogd]
188 root 0 SW [kswapd0]
247 root 0 IW< [pencrypt]
249 root 0 IW< [pdecrypt]
348 root 0 IW< [ipv6_addrconf]
360 root 0 SW [ubi_bgt0d]
365 root 0 IW< [kworker/1:1H]
366 root 0 IW< [kworker/0:1H]
371 root 0 IW [kworker/u4:2]
490 root 0 IW [kworker/0:2]
502 root 0 SW [ubifs_bgt0_1]
600 root 1220 S /sbin/ubusd
618 root 924 S /sbin/askfirst /usr/libexec/login.sh
688 root 1028 S /sbin/urngd
837 root 0 IW< [cfg80211]
1189 root 0 SW [scsi_eh_0]
1190 root 0 IW< [scsi_tmf_0]
1191 root 0 SW [usb-storage]
1197 root 0 SW [scsi_eh_1]