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aguia-pescadora-alpha (#17), aguia-pescadora-bravo (#16): instalado vnstat e criado adicionado 'ajuda' na Bravo; explicitado '-alpha' no hostname de Alpha
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‎logbook/aguia-pescadora-alpha.sh

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@@ -104,7 +104,7 @@ sudo do-release-upgrade
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#### Preparação Inicial:
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sudo hostnamectl set-hostname aguia-pescadora.etica.ai
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sudo hostnamectl set-hostname aguia-pescadora-alpha.etica.ai
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sudo vim /etc/hosts
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## Adicione o seguinte ao /etc/hosts

‎logbook/aguia-pescadora-alpha/etc/hosts

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127.0.0.1 localhost
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127.0.1.1 ubuntu
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127.0.0.1 aguia-pescadora
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127.0.0.1 aguia-pescadora-alpha.etica.ai aguia-pescadora-alpha
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# The following lines are desirable for IPv6 capable hosts
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::1 localhost ip6-localhost ip6-loopback

‎logbook/aguia-pescadora-alpha/usr/local/ajuda renamed to ‎logbook/aguia-pescadora-alpha/usr/local/bin/ajuda

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‎logbook/aguia-pescadora-alpha/usr/local/jogos renamed to ‎logbook/aguia-pescadora-alpha/usr/local/bin/jogos

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‎logbook/aguia-pescadora-bravo.sh

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@@ -395,6 +395,20 @@ sudo apt install php-cli php-common
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# @TODO ver com mais calma versoes padroes do python. Ja se tem disponivel
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# nos repositorios principais a 3.7 (fititnt, 2019-05-18 21:40 BRT)
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#------------------------------------------------------------------------------#
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# SEÇÃO: AJUDA AO USUARIO #
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# TL;DR: Lista como é documentado ao usuario final o que este servidor #
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# oferece. Em geral é uma forma de documentar as IDEs e todos os #
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# interpretadores/compiladores de linguagens de programação #
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#------------------------------------------------------------------------------#
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##### Comando de ajuda do servidor _____________________________________________
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touch /usr/local/bin/ajuda
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sudo chmod +x /usr/local/bin/ajuda
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vim /usr/local/bin/ajuda
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# customizar aqui... o arquivo esta commitado no repositorio
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#------------------------------------------------------------------------------#
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# SEÇÃO: HTTP/HTTPS PADRÃO #
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# TL;DR: Documenta o uso de NGinx e afins como proxy reverso a aplicações #
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sudo certbot --nginx -d aguia-pescadora-bravo.etica.ai -d apb.etica.ai
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#------------------------------------------------------------------------------#
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# temp...
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# SEÇÃO: ADMINISTRAÇÃO DO DIA A DIA #
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# TL;DR: Atalhos para algumas rotinas comuns do dia a dia de administrador de #
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# sistemas, como atalhos para ver logs de acesso, rotinas para #
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# reiniciar tarefas que tendem a dar problemas, etc. #
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# #
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# Adicionalmente documenta instalação/preparação de ferramentas que por #
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# serem tão extremamente especificas de administração de sistemas já #
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# não foram instaladas em etapas anteriores #
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#------------------------------------------------------------------------------#
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##### VNstat [configuração inicial] ____________________________________________
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# @see https://www.howtoforge.com/tutorial/vnstat-network-monitoring-ubuntu/
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# Passos executados apenas para configurações iniciais
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sudo apt install vnstat vnstati
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# O comando a seguir deve ser usado para decidir qual a interface a monitorar
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ifconfig
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# Escolha a network para iniciar monitoramento. Neste caso é ens3
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vnstat -u -i ens3
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## vnstat --iflist
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# Available interfaces: ens3 lo
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# Vamos iniciar vnstat para rodar imediatamente, e também iniciar com sistema
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sudo systemctl start vnstat
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sudo systemctl enable vnstat
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# O arquivo /etc/vnstat.conf deve estar marcado para nossa interface desejada
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sudo vim /etc/vnstat.conf
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# trocar eth0 pela network especifica
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# default interface
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# Interface "ens3"
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# Para ver em tempo real o uso de rede
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#------------------------------------------------------------------------------#
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### Monitorar rede em tempo real ______________________________________________#
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## Vnstat
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# @see https://www.howtoforge.com/tutorial/vnstat-network-monitoring-ubuntu/
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vnstat -l
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#------------------------------------------------------------------------------#
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# temp...
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# O que estiver a partir daqui são comandos que foram realizadas e ainda não
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# foram propriamente documentados (fititnt, 2019-05-19 05:04 BRT)
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apt-get install fish

‎logbook/aguia-pescadora-bravo/etc/vnstat.conf

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# vnStat 1.18 config file
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##
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# default interface
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Interface "ens3"
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# location of the database directory
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DatabaseDir "/var/lib/vnstat"
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# locale (LC_ALL) ("-" = use system locale)
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Locale "-"
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# on which day should months change
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MonthRotate 1
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# date output formats for -d, -m, -t and -w
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# see 'man date' for control codes
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DayFormat "%x"
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MonthFormat "%b '%y"
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TopFormat "%x"
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# characters used for visuals
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RXCharacter "%"
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TXCharacter ":"
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RXHourCharacter "r"
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TXHourCharacter "t"
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# how units are prefixed when traffic is shown
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# 0 = IEC standard prefixes (KiB/MiB/GiB/TiB)
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# 1 = old style binary prefixes (KB/MB/GB/TB)
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UnitMode 0
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# how units are prefixed when traffic rate is shown
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# 0 = IEC binary prefixes (Kibit/s...)
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# 1 = SI decimal prefixes (kbit/s...)
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RateUnitMode 1
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# output style
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# 0 = minimal & narrow, 1 = bar column visible
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# 2 = same as 1 except rate in summary and weekly
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# 3 = rate column visible
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OutputStyle 3
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# used rate unit (0 = bytes, 1 = bits)
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RateUnit 1
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# number of decimals to use in outputs
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DefaultDecimals 2
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HourlyDecimals 1
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# spacer for separating hourly sections (0 = none, 1 = '|', 2 = '][', 3 = '[ ]')
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HourlySectionStyle 2
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# try to detect interface maximum bandwidth, 0 = disable feature
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# MaxBandwidth will be used as fallback value when enabled
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BandwidthDetection 1
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# maximum bandwidth (Mbit) for all interfaces, 0 = disable feature
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# (unless interface specific limit is given)
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MaxBandwidth 1000
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# interface specific limits
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# example 8Mbit limit for eth0 (remove # to activate):
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#MaxBWeth0 8
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# how many seconds should sampling for -tr take by default
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Sampletime 5
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# default query mode
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# 0 = normal, 1 = days, 2 = months, 3 = top10
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# 4 = exportdb, 5 = short, 6 = weeks, 7 = hours
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QueryMode 0
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# filesystem disk space check (1 = enabled, 0 = disabled)
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CheckDiskSpace 1
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# database file locking (1 = enabled, 0 = disabled)
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UseFileLocking 1
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# how much the boot time can variate between updates (seconds)
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BootVariation 15
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# log days without traffic to daily list (1 = enabled, 0 = disabled)
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TrafficlessDays 1
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# vnstatd
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##
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# switch to given user when started as root (leave empty to disable)
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DaemonUser ""
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# switch to given user when started as root (leave empty to disable)
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DaemonGroup ""
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# how many minutes to wait during daemon startup for system clock to
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# sync time if most recent database update appears to be in the future
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TimeSyncWait 5
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# how often (in seconds) interface data is updated
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UpdateInterval 30
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# how often (in seconds) interface status changes are checked
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PollInterval 5
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# how often (in minutes) data is saved to file
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SaveInterval 5
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# how often (in minutes) data is saved when all interface are offline
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OfflineSaveInterval 30
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# how often (in minutes) bandwidth detection is redone when
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# BandwidthDetection is enabled (0 = disabled)
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BandwidthDetectionInterval 5
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# force data save when interface status changes (1 = enabled, 0 = disabled)
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SaveOnStatusChange 1
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# enable / disable logging (0 = disabled, 1 = logfile, 2 = syslog)
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UseLogging 2
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# create dirs if needed (1 = enabled, 0 = disabled)
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CreateDirs 1
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# update ownership of files if needed (1 = enabled, 0 = disabled)
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UpdateFileOwner 1
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# file used for logging if UseLogging is set to 1
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LogFile "/var/log/vnstat/vnstat.log"
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# file used as daemon pid / lock file
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PidFile "/var/run/vnstat/vnstat.pid"
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# vnstati
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##
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# title timestamp format
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HeaderFormat "%x %H:%M"
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# show hours with rate (1 = enabled, 0 = disabled)
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HourlyRate 1
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# show rate in summary (1 = enabled, 0 = disabled)
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SummaryRate 1
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# layout of summary (1 = with monthly, 0 = without monthly)
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SummaryLayout 1
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# transparent background (1 = enabled, 0 = disabled)
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TransparentBg 0
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# image colors
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CBackground "FFFFFF"
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CEdge "AEAEAE"
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CHeader "606060"
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CHeaderTitle "FFFFFF"
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CHeaderDate "FFFFFF"
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CText "000000"
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CLine "B0B0B0"
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CLineL "-"
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CRx "92CF00"
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CTx "606060"
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CRxD "-"
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CTxD "-"

‎logbook/aguia-pescadora-bravo/usr/local/bin/ajuda

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#!/bin/sh
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export TERM=xterm-256color
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blue=$( tput setaf 51 );
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green=$( tput setaf 10 );
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yellow=$( tput setaf 11 );
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normal=$( tput sgr 0 );
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echo "${green}
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Comando 'ajuda' de aguia-pescadora-bravo.etica.ai
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Discussão no GitHub: https://github.com/fititnt/cplp-aiops/issues?q=is%3Aissue+is%3Aopen+label%3Aserver-aguia-pescadora
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Configuração de aguia-pescadora: https://raw.githubusercontent.com/fititnt/cplp-aiops/master/logbook/aguia-pescadora-bravo.sh
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PACOTES PARA DESENVOLVIMENTO DE SOFTWARE
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----------------------------------------
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C/C++
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CCC padrão: [$(gcc --version | head -n1)]
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${yellow}gcc${green}
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G++ padrão: [$(g++ --version | head -n1)]
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${yellow}g++${green}
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JAVASCRIPT (NODEJS)
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NodeJS padrão (**): [$(nodejs -v | head -n1)]
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${yellow}nodejs${green} [$(nodejs -v | head -n1)]
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${yellow}node${green} [$(node -v | head -n1)]
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${yellow}js${green} [$(js -v | head -n1)]
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Node Package Manager, NPM padrão (**), o gerenciador de pacotes do NodeJS
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${yellow}npm${green} [$(npm -v | head -n1)]
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PERL
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Perl padrão: [$(perl -v | head -n2 | tail -n1)]
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${yellow}perl${green}
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SHELL SCRIPT
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Bash padrão:
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${yellow}bash${green} [$(bash --version | head -n1 | tail -n1)]
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PHP
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PHP padrão (*): [$(php --version | head -n1)]
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${yellow}php${green}
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PHP 7.2:
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${yellow}php7.2${green}
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PYTHON
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Python padrão (*): []
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${yellow}python${green}
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Python 2.6:
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${yellow}python2${green}
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Python 3.6
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${yellow}python3${green}
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*: recomendado você customizar um alias para versão explicita que quer usar.
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Esta versão padrão poderá ser alterada sem previo aviso para uma versão mais atual
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**: considere usar gerenciador de pacote da própria linguagem (NVM do NodeJS,
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RVM do Ruby, etc)
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EDITORES DE CÓDIGO / IDEs
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--------------
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${yellow}emacs${green} [$(emacs --version | head -n1)]
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${yellow}nano${green} [$(nano --version | head -n1)]
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${yellow}vim${green} [$(vim --version | head -n1)]
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${normal}"

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