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zenthangplus / Dockerfile
Last active Apr 3, 2019
Redirect logs from file to docker's output
View Dockerfile
# To do that, you need to create symlink from your file (inside container) to docker's output file.
# Add bellow line to your Dockerfile
RUN ln -sf /proc/1/fd/1 /var/log/cronjob.log
# The first 1 is the PID of docker process.
# The second 1 is standard output
zenthangplus /
Created Jan 15, 2019
Fix permission denied when execute stop or kill docker containers on Ubuntu
#!/usr/bin/env bash
# Error example:
# ERROR: for redis cannot stop container: 16028f9:
# Cannot kill container 16028f9: unknown error after kill: docker-runc did not terminate sucessfully:
# container_linux.go:393: signaling init process caused "permission denied"
# This error was caused by AppArmor service in Ubuntu
# It was not working normally due to some unknown issues.
# Run following commands to fix it.
zenthangplus /
Last active Jan 15, 2019
How to generate RS256 Key Pair for Mac & Linux
#!/usr/bin/env bash
# Generate rsa keys pair
ssh-keygen -t rsa -b 4096 -f rs256.rsa
# Don't add passphrase
openssl rsa -in rs256.rsa -pubout -outform PEM -out
# Done
cat rs256.rsa
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