ceph radosgw (set)lifecycle - AWS v4 is broken

Posted on Wed 26 April 2017 in Ceph • Tagged with ceph, elasticsearch, radosgw, howto, linux, notepad, work • 1 min read

First - s3cmd config
Setting signature_v2 = true is not enough! You have to set --signature-v2 as a parameter.

Second - 'Prefix' tag
You have specify a Prefix tag - and yes with a captial P!

without prefix tag
<LifecycleConfiguration>
    <Rule>
        <ID>ExampleRule</ID>
    <Status>Enabled</Status>
        <Expiration>
             <Days>1</Days>
        </Expiration>
    </Rule>
</LifecycleConfiguration …

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ceph metasearch - elasticsearch backend

Posted on Fri 21 April 2017 in Ceph • Tagged with ceph, elasticsearch, radosgw, howto, linux, notepad, work • 1 min read

ceph-kraken

Fetch zonegroup configuration (json struct)
# radosgw-admin zonegroup get > /tmp/zonegroup.json

change the tier_type to elasticsearch

Import the configuration
# radosgw-admin zonegroup set --infile /tmp/zonegroup.json
Fetch zone configuration (json struct)
# radosgw-admin zone get > /tmp/zone.json

Add the following parameter endpoint & {url} for the section tier_config

    "tier_config": [
        {
            "key": "endpoint …

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Fixing ceph partition uuid or OSD data dir is not mounted

Posted on Mon 06 February 2017 in Ceph • Tagged with ceph, linux, notepad, work • 1 min read

OSD_UUID

4fbd7e29-9d25-41b8-afd0-062c0ceff05d

JOURNAL_UUID

45b0969e-9b03-4f30-b4c6-b4b80ceff106

To fix the partition uuid

sgdisk --info=##partnr## -t ##partnr##:##part-uuid## /dev/##disk##

eg.
sgdisk --info=1 -t 1:4fbd7e29-9d25-41b8-afd0-062c0ceff05d /dev/sda1

Ref: /lib/udev/rules.d/95-ceph-osd.rules

Openstack Manila with CephFS as backend [notepad]

Posted on Thu 22 December 2016 in openstack • Tagged with ceph, Openstack, linux, notepad, work • 1 min read

openstack-manila-cephfs

ceph - setting up rbd-mirror between two ceph clusters

Posted on Sat 15 October 2016 in Ceph • Tagged with ceph, rbdmirror, howto, linux, notepad, work • 3 min read

Environment
2x ceph cluster (aio) running centos 7.2 /w ceph jewel. Added a 2nd crush rule to both clusters:

rule rep_osd {
    ruleset 1
    type replicated
    min_size 1
    max_size 10
    step take default
    step choose firstn 0 type osd
    step emit
}

(ceph crush map)

Setup

Install the rbd-mirror package in …


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Google Software Updater fuckups

Posted on Thu 22 September 2016 in Linux • Tagged with notepad, osx, linux, Google Chrome • 1 min read

google-software-updater

To disable the ksfetch (ks = keystone) daemon (which comes with google products) there are several ways to do this.

  1. Uninstall the Google Software Update Agent
$ /Library/Google/GoogleSoftwareUpdate/GoogleSoftwareUpdate.bundle \
    /Contents/Resources/GoogleSoftwareUpdateAgent.app/Contents/Resources/ksinstall [--nuke]

The --nuke parameter will also remove ksfetch related stuff.

  1. Set the checkInterval …

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ejabberd + letsencrypt (ssl config)

Posted on Mon 05 September 2016 in Linux • Tagged with letsencrypt, Linux, notepad, ejabberd • 1 min read 

[...]
listen: 
  - 
    port: 5222
    module: ejabberd_c2s
    certfile: "/etc/ejabberd/ejabberd.pem"
    starttls: true
    starttls_required: true
    protocol_options:
      - "no_sslv2"
      - "no_sslv3"
      - "no_tlsv1"
      - "no_tlsv1_1"
    ciphers: "ECDHE-ECDSA-AES256-GCM-SHA384:ECDHE-RSA-AES256-GCM-SHA384:ECDHE-ECDSA-CHACHA20-POLY1305:ECDHE-RSA-CHACHA20-POLY1305:ECDHE-ECDSA-AES128-GCM-SHA256:ECDHE-RSA-AES128-GCM-SHA256:ECDHE-ECDSA-AES256-SHA384:ECDHE-RSA-AES256-SHA384:ECDHE-ECDSA-AES128-SHA256:ECDHE-RSA-AES128-SHA256"
    dhfile: "/etc/ejabberd/dh2048.pem"
    [...]
  - 
    port: 5269
    ip: "::"
    module: ejabberd_s2s_in
    protocol_options:
      - "no_sslv2"
      - "no_sslv3"
      - "no_tlsv1"
      - "no_tlsv1_1"

[...]
s2s_use_starttls: required
s2s_certfile: "/etc/ejabberd …

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entropy inside a virtual machine

Posted on Thu 30 June 2016 in Linux • Tagged with ceph, kvm, linux, notepad • 1 min read

Sometimes my ceph-(test!)deployments inside a VM failed.

The Problem is that the kernel/cpu can not provide enough entropy (random numbers) for the ceph-create-keys command - so it stuck/hang. It is not a ceph problem! This can also happen with ssl commands.

But first things first - we need …


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Mac OS - bashrc / homebrew - random notes

Posted on Sun 26 June 2016 in OSX • Tagged with Bash, OSX, notepad • 1 min read

bash-completion

if [ -f $(brew --prefix)/etc/bash_completion ]; then
    source $(brew --prefix)/etc/bash_completion
fi

generic colouriser

example - colour

if [ -f $(brew --prefix)/etc/grc.bashrc ]; then
    source $(brew --prefix)/etc/grc.bashrc
fi

spotlight for cmd

spotlight () { mdfind "kMDItemDisplayName == '$@'wc"; }

delete HSTS cache on chrome

Posted on Mon 04 January 2016 in Notepad • Tagged with Google Chrome, hsts, notepad • 1 min read

  1. Goto chrome://net-internals/#hsts
  2. "Delete Domain"