Skip to content

Instantly share code, notes, and snippets.

View nielsvanderbeke's full-sized avatar

Niels Vanderbeke nielsvanderbeke

  • Urocyon Group
  • Belgium
View GitHub Profile
#Affiche le nombre de ligne
:set nu
#supprime des lignes dans un fichier
:debut,find
#Met le char # devant les 20 lignes suivantes, le ^ correspond au début de la ligne
:.,+20 s/^/#/
#reexcute la derniere commande tapée
@nielsvanderbeke
nielsvanderbeke / crontab syntax
Created October 7, 2013 09:40
crontab syntax
string meaning
------ -------
@reboot Run once, at startup.
@yearly Run once a year, "0 0 1 1 *".
@annually (same as @yearly)
@monthly Run once a month, "0 0 1 * *".
@weekly Run once a week, "0 0 * * 0".
@daily Run once a day, "0 0 * * *".
@midnight (same as @daily)
@hourly Run once an hour, "0 * * * *".
@nielsvanderbeke
nielsvanderbeke / java keystores
Created October 7, 2013 09:35
java keystore and certificate commands
What is in a keystore
=======================
keytool -list -v -keystore keystore-file.jks | less
=======================
show certificates website
=======================
openssl s_client -host internet.onprvp.fgov.be -port 443 -showcerts
=======================
@nielsvanderbeke
nielsvanderbeke / duplicate files
Last active December 24, 2015 21:19
Find duplicate files
# print them
find . -regex '.*([0-9])\..*'
# count them
find . -regex '.*([0-9])\..*' | wc -l
# delete them
find . -regex '.*([0-9])\..*' -delete