marcosvidolin

# Usage: watch [-dhntv] [--differences[=cumulative]] [--help] [--interval=<n>] [--no-title] [--version] <command>
#  -d, --differences[=cumulative]        highlight changes between updates
#                (cumulative means highlighting is cumulative)
#  -h, --help                            print a summary of the options
#  -n, --interval=<seconds>              seconds to wait between updates
#  -v, --version                         print the version number
#  -t, --no-title                        turns off showing the header
#
#
# example:

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# to list all ports that are used
sudo netstat -ntlp | grep LISTEN

# you can obtain a specific port using the following command
sudo netstat -ntlp | grep :8080

# when you execute the command above you will see something like that
tcp        0      0 0.0.0.0:27370           0.0.0.0:*               LISTEN      4394/skype      
tcp        0      0 127.0.1.1:53            0.0.0.0:*               LISTEN      2216/dnsmasq    
tcp        0      0 127.0.0.1:631           0.0.0.0:*               LISTEN      4912/cupsd      

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# 1- ver qual a rota do docker com o comando
route

# 2- remover a rota
sudo route del -net 172.17.0.0 netmask 255.255.0.0

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create table my_backup_table as (select * from my_table);

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# Login
docker login <server url> -u <user> -p <pass>

# Push (example Harbor)
docker push <server>/<project in harbor>/<image name>>:<tag>

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ibus-daemon -rd

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java -jar /opt/ci/liquibase.jar --driver=oracle.jdbc.OracleDriver --classpath=/opt/ci/ojdbc14-10.2.0.1.0.jar --changeLogFile="db.changelog.xml" --url=<url>:<port>:<sid> --username=<user> --password=<pass> --logLevel=debug clearCheckSums

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Significado de cada campo do Cron
A princípio o Cron pode parecer algo muito bizarro, porém, cada campo possui um significado bem especificado. Abaixo é listado o que cada campo significa junto com seus valores esperados:

A B C D E F
A: Segundos (0 – 59).
B: Minutos (0 – 59).
C: Horas (0 – 23).
D: Dia (1 – 31).
E: Mês (1 – 12).
F: Dia da semana (0 – 6).

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SELECT a.table_name, a.column_name, a.constraint_name, c.owner, 
       c.r_owner, c_pk.table_name r_table_name, c_pk.constraint_name r_pk
  FROM all_cons_columns a
  JOIN all_constraints c ON a.owner = c.owner AND a.constraint_name = c.constraint_name
  JOIN all_constraints c_pk ON c.r_owner = c_pk.owner AND c.r_constraint_name = c_pk.constraint_name
 WHERE c.constraint_type = 'R' AND A.COLUMN_NAME = '<COLUMN_NAME>' and c.owner = '<OWNER_NAME>'
;

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redis-cli -h <HOSTNAME> KEYS *mvidolin* | xargs redis-cli -h <HOSTNAME> DEL