open-menu closeme
Home
Archives
Links icon
LinkedIn Twitter
About
English
github linkedin
  • Dealing with Spectre and Meltdown using Ansible

    calendar Jan 5, 2018 · 1 min read · SPECTRE MELTDOWN ANSIBLE CENTOS7  ·
    Share on: twitter facebook linkedin copy

    If we have to deal with this thing, lets do it in an intelligent way I'm using Ansible across my infrastructure to manage most stuff so I cut a playbook to detect Spectre and Meltdown fixes in Centos7 using the articles from CyberCiti.biz …


    Read More
  • MegaCLI on CentOS 7

    calendar Oct 12, 2016 · 1 min read · MEGACLI CENTOS7  ·
    Share on: twitter facebook linkedin copy

    Installation 1Yum install Lib_Utils-1.00-08.noarch.rpm MegaCli-8.01.06-1.i386.rpm (i386 binary works ok on x64 servers) List all controllers 1/opt/MegaRAID/MegaCli/MegaCli64 -AdpAllInfo -aALL List all physical disks 1/opt/MegaRAID/MegaCli/MegaCli64 -PDlist -a0 | grep -e '^Enclosure Device ID:' -e '^Slot …


    Read More
  • Fibre Channel in Linux(CentOS7)

    calendar Aug 29, 2016 · 2 min read · LINUX CENTOS7 FIBRECHANNEL  ·
    Share on: twitter facebook linkedin copy

    Get the WWN of the controller 1cd /sys/class/fc_host/host5/ 2 3[root@ibm2 host5]# cat node_name 40x200000051e8e53aa Rescan the FC bus. 1cd /sys/class/fc_host/host5/ 2echo "1" >; issue_lip OR 1yum install sg3_utils 2 3rescan-scsi-bus.sh List disks 1[root@hp by-path]# sscsi 2[0:0:0:0] disk ATA WDC WD4000FYYZ-0 …


    Read More
  • Centos 7 UEFI things

    calendar Jul 26, 2016 · 1 min read · CENTOS7 UEFI  ·
    Share on: twitter facebook linkedin copy

    How to tell if you booted from a UEFI enabled machine 1dmesg | grep "EFI v" When enabling net.ifnames=o Edit /etc/default/grub Ammend line GRUB_CMDLINE_LINUX="rd.lvm.lv=centos/swap vconsole.font=latarcyrheb-sun16 rd.lvm.lv=centos/root crashkernel=auto vconsole.keymap=us rhgb quiet net.ifnames=0` Then run …


    Read More

Cory Hawkvelt photo

Cory Hawkvelt

Career Nerd and Open Source Cloud Architect
Read More

Recent Posts

  • RabbitMQ in HA
  • MemcacheD connection limits inside Docker
  • Use grep to view a file without comments
  • Use grep to view a file without comments
  • Scrub all local disks
  • Use grep to view a file without comments
  • tcpdump HTTP traffic
  • List all local linux disks

Tags

LINUX 31 CEPH 22 BASH 19 OPENSTACK 11 NETWORKING 10 DOCKER 7 CONFIG 6 OPENSTACK-QUEENS 5 QEMU 5 TROUBLESHOOTING 5 CENTOS7 4 MYSQL 4 SSH 4 UBUNTU 4
All Tags
ACTIVE-BACKUP1 ADB1 ANDROID1 ANSIBLE2 APT1 AUTODISCOVER1 BACKUP1 BASH19 BIND1 BLUETOOTH1 CAS1 CENTOS74 CEPH22 CEPH-NAUTILUS1 CERTIFICATES1 CINDER3 COLLECTD1 COMWARE1 CONFIG6 CRYPTOLOCK1 CRYPTOMINER2 DATABASE1 DELL-S600-ON1 DELLMD3060JBOD1 DHCP1 DISK-MGMT1 DNS1 DOCKER7 DRIVERS1 ESP826621 ESPTOOL1 FAIL2BAN1 FEDORA261 FIBRECHANNEL1 FIRMWARE1 FREEOTP1 GIT1 GNOCCHI2 HAPROXY2 HARDWARE2 HORIZON1 HP2 HP-ILO1 HPACUCLI3 HTTP1 HUGO1 HYPER-V1 INDEX1 IP2 IPTABLES1 IPV61 KEYCLOAK1 KEYGEN3 KEYSTONE1 KOLLA1 KVM2 LE1 LIBRENMS1 LINUX31 LOGO1 MAAS1 MATTERMOST1 MEGACLI1 MELLANOX1 MELTDOWN1 MEMCACHED1 MIKROTIK2 MOUSE1 MTP1 MYSQL4 NAMED1 NAT1 NETBOX1 NETBOX-IPAM1 NETWORK-MANAGER1 NETWORKING10 NEUTRON1 NOVA1 NOVNC1 NPS1 OPENNEBULA1 OPENSTACK11 OPENSTACK-QUEENS5 OPENSWITCH1 OPENVSWITCH1 OVN1 PKI1 PORT1 PRINTER1 PROXMOX1 PUTTY1 PYTHON1 QEMU5 RABBITMQ1 RADIUS1 RADOSGW2 RAID3 RBD3 ROCKY-GLANCE1 ROUTING1 SCRIPT1 SERVER1 SERVER-20121 SMTP1 SNMP1 SPECTRE1 SPEEDTEST1 SSH4 SSL1 SVG1 SWAP1 SYSCOMMANDS1 TCP1 TCP-DUMP1 TCPDUMP1 TROUBLESHOOTING5 UBUNTU4 UBUNTU-182 UBUNTU-201 UBUNTU-GNOME1 UBUNTU171 UEFI1 VAGRANT2 VIRTUAL-NETWORK1 VIRTUALISATION1 VLAN1 VM2 VPN1 VXLAN1 WINDOWS2 WINDOWS-AD1 WIRESHARK1 YOUTUBE-DL1
[A~Z][0~9]

Copyright 2022-  . All Rights Reserved

to-top