Get the model number of a server, tested on HP DL380 and 180's: 1 [root@cephosd4 ~]# dmidecode | grep "System Information" -A20 2 System Information 3 Manufacturer: HP 4 Product Name: ProLiant DL180 Gen9 5 Version: Not Specified 6 Serial Number: xxxxxxx 7 UUID: xxx-3335-5541-xxx-313930303734 8 Wake-up Type: …

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Original article here Using hpacucli to manage RAID. Create a single disk RAID0 (How i use Ceph on my HP DL180's) 1 hpacucli ctrl slot=2 create type=ld drives=1I:1:8 raid=0 Show all logical volumes 1[root@management ~]# hpacucli controller slot=0 logicaldrive all show 2 3Smart Array P410i in Slot 0 (Embedded) 4 5array …

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Unban an IP fail2ban-client set sshd unbanip --iphere-- Show status of jails 1[root@l1-adl3 ~]# fail2ban-client status 2 Status 3 |- Number of jail: 1 4 `- Jail list: sshd Show the Fail2Ban log cat /var/log/fail2ban.log

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1cinder::controller::settings:2DEFAULT:3rpc_backend:"rabbit"4my_ip:"%{::ipaddress_eth0}"5verbose:"True"6debug:"False"7auth_strategy:"keystone"8enabled_backends:"ceph_sas,ceph_sata"9glance_host:"%{hiera('glance::virtualIP')}"10volume_driver:"cinder.volu …

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After a reboot of my Ceph test VM's a few OSD's didnt come online. When running ceph osd tree I saw: 1[root@lib-cephosd1 ~]# ceph osd tree 2ID WEIGHT TYPE NAME UP/DOWN REWEIGHT PRIMARY-AFFINITY 3 -1 0.29984 root default 4 -2 0.09995 host lib-cephosd1 5 1 0.00999 osd.1 up 1.00000 1.00000 6 0 0.00999 osd.0 up 1.00000 …

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Brining a HyperV Gen2 VM into Openstack Convert the vhdx to raw and into ceph qemu-img convert -f vpc -O raw AC-TS01-C.VHD rbd:volumes/AC-TS01.raw Attach the old(Existing) disk and the new blank disk to a linux box Install clonezilla from apt On the new disk create a new partition(This will be an MBR partition not a …

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HP Bl460C G6 Centos7 RAID tool Works on my HP G6 servers with this in lspci 0c:00.0 RAID bus controller: Hewlett-Packard Company Smart Array G6 controllers (rev 01) wget http://mirror.nforce.com/pub/software/raidtools/hpacucli-tool/hpacucli-9.40-12.0.x86_64.rpm yum install hpacucli-9.40-12.0.x86_64.rpm hpacucli ctrl …

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Original Article - http://christiank.org/wp/2010/12/pipe-a-gzipped-mysql-dump-over-ssh/ If you want to take a SQL dump from some host, compress it and send it across SSH to another host then this is the command you are chasing mysqldump -u MYSQL_USERNAME -p YOUR_DATABASE | gzip -c | ssh USERNAME@YOUR_TO_HOST 'cat > …

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Some code To resize the root volume of an instance can be tricky, this worked for me Note some commands, particularly "cinder reset-state" returned a HTTP 403, i had to run those as admin 1[root@vm-os-ks01 ~]# source admin.rc 2[root@vm-os-ks01 ~]# cinder reset-state --state available …

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It feel like every time I run docker ps I get blah blah blah, permission denied The simple oneliner fix.. And the bonus, you dont even need to log out :) sudo usermod -G docker -a $USER && newgrp docker

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