joseluisq

How to resize a qcow2 disk image on Linux

This example takes olddisk.qcow2 and resizes it into newdisk.qcow2, extending one of the guest's partitions to fill the extra space.

1. qcow2 format

1.1. Verify the filesystems of olddisk.qcow2

qutek

# https://gitlab.com/help/ci/quick_start/README
# https://docs.gitlab.com/ee/ci/introduction/
# https://docs.gitlab.com/ee/ci/yaml/

image: dpolyakov/docker-node-latest-with-rsync:latest

# before_script:
#   - apt-get update -qq
#   - apt-get install -qq git

j883376

#!/bin/sh

# in case it's already installled
vagrant plugin uninstall vagrant-libvirt

# vagrant's copy of curl prevents the proper installation of ruby-libvirt
sudo mv /opt/vagrant/embedded/lib/libcurl.so{,.backup}
sudo mv /opt/vagrant/embedded/lib/libcurl.so.4{,.backup}
sudo mv /opt/vagrant/embedded/lib/libcurl.so.4.4.0{,.backup}
sudo mv /opt/vagrant/embedded/lib/pkgconfig/libcurl.pc{,.backup}

rpdelaney

#    +--------- Minute (0-59)                                | Output Dumper: >/dev/null 2>&1
#    |    +------- Hour (0-23)                               | Multiple Values Use Commas: 3,12,47
#    |    |    +----- Day Of Month (1-31)                    | Do every X intervals: */X  -> Example: */15 * * * *  Is every 15 minutes
#    |    |    |    +--- Month (1 -12)                       | Aliases: @reboot -> Run once at startup; @hourly -> 0 * * * *;
#    |    |    |    |    +- Day Of Week (0-6) (Sunday = 0)   | @daily -> 0 0 * * *; @weekly -> 0 0 * * 0; @monthly ->0 0 1 * *;
#    |    |    |    |    |                                   | @yearly -> 0 0 1 1 *;
#    *    *    *    *    *     COMMAND

wesleyit

##   CRONTAB HINTS AND TIPS
##   
##   
##   Entry              Description     Equivalent To
##   @yearly (or @annually)     Run once a year at midnight in the morning of January 1         0 0 1 1 *
##   @monthly   Run once a month at midnight in the morning of the first of the month   0 0 1 * *
##   @weekly    Run once a week at midnight in the morning of Sunday    0 0 * * 0
##   @daily             Run once a day at midnight      0 0 * * *
##   @hourly    Run once an hour at the beginning of the hour   0 * * * *
##   @reboot    Run at startup  @reboot