Categories

solaris solaris tips solaris utilities sun hardware alom openboot storage networking nfs solaris volume manager sun cluster san hp eva cvs inetd smf jumpstart fibre channel mpxio centos linux linux tips redhat zfs lvm2 multipathing solaris containers solaris zones virtualization hp jetdirect hp jetadmin cisco ios hp data protector clariion cde xdm hpux hp msl security selinux ilom tomcat syslog shell xen xenserver oracle ext3 vmware vshield ext4 screen kickstart pulsar messaging pubsub systemd kafka syslog-ng windows gitlab converter infinera dna apache ssl hp hardware ilo ansible iscsi multipathd postgresql ha haproxy unix rocky docker containers kubernetes k8s gke gcp google cloud cloudsql workload identity esxi vsphere auditd networkmanager k3s nvidia connect tech l4t orin jetson nvidia hardware truenas hardware freebsd json

solaris

• Copying directories with tar
• Resetting readonly shell variable
• Flashing firmware on SunFire T2000
• Unable to access console login prompt from ALOM
• ZFS and swapping
• How to configure Solaris 10 to drive HP MSL 6000
• Viewing and changing speed and duplex in Solaris
• Removing file or directory via inode number
• Finding out native instruction set in Solaris
• Identifying a failed disk using dd
• Accessing Mirrored Metadevice When Booting from CD/DVD
• Deleting Solaris Container
• Reading Sun Cluster eventlog
• Renaming Solaris Container
• Jumpstart going interactive
• Running X applications inside Solaris Container on a headless server
• Solaris 10 VTOC weirdness on EMC Clariion Array
• Solaris Containers and ZFS
• Installing and patching Data Protector client on standalone Solaris machine
• Trussing processes on Sun Cluster?
• Jetadmin and non-HP network printers
• Failed repository integrity check
• Quick and dirty SVM cheatsheet
• Moving Solaris Container to a different host
• Mounting Linux NFS share: Not owner
• Weird disk label after using ZFS on a LUN
• Corrupt superblock, now what?
• Cloning Solaris Container
• How to get HP Jetadmin working inside Solaris Container
• Solaris Containers
• Getting handle on log files
• Solaris Link Aggregation
• Quick and dirty ZFS cheatsheet
• Growing Solaris Volume Manager mirrors online
• Disabling MPxIO for onboard disks
• Gathering fibre channel info using fcinfo
• Managing core files
• Mirroring root disk using SVM
• Moving boot disk to a different target or controller
• Sun Cluster's scconf
• Booting alternate device using reboot command
• Useful Sun Cluster commands
• Replacing disk controlled by SVM
• NFS4 Invalid inbound domain name
• Unmounting seemingly busy filesystem
• Solaris release update version
• Viewing devaliases inside Solaris
• SC/RSC console setup
• Mounting an ISO image in Solaris

solaris tips

• Copying directories with tar
• Resetting readonly shell variable
• Flashing firmware on SunFire T2000
• Unable to access console login prompt from ALOM
• ZFS and swapping
• How to configure Solaris 10 to drive HP MSL 6000
• Viewing and changing speed and duplex in Solaris
• Removing file or directory via inode number
• Finding out native instruction set in Solaris
• Identifying a failed disk using dd
• Accessing Mirrored Metadevice When Booting from CD/DVD
• Deleting Solaris Container
• Reading Sun Cluster eventlog
• Renaming Solaris Container
• Jumpstart going interactive
• Running X applications inside Solaris Container on a headless server
• Solaris 10 VTOC weirdness on EMC Clariion Array
• Installing and patching Data Protector client on standalone Solaris machine
• Trussing processes on Sun Cluster?
• Jetadmin and non-HP network printers
• Failed repository integrity check
• Moving Solaris Container to a different host
• Mounting Linux NFS share: Not owner
• Weird disk label after using ZFS on a LUN
• Corrupt superblock, now what?
• Cloning Solaris Container
• How to get HP Jetadmin working inside Solaris Container
• Getting handle on log files
• Solaris Link Aggregation
• Basic IPMP
• Growing Solaris Volume Manager mirrors online
• Disabling MPxIO for onboard disks
• Gathering fibre channel info using fcinfo
• Managing core files
• Mirroring root disk using SVM
• Moving boot disk to a different target or controller
• Sun Cluster's scconf
• Booting alternate device using reboot command
• Using CVS with SMF
• Increasing number of NFS servers on Sun Cluster
• Moving LUN's between hosts using metarecover
• Replacing disk controlled by SVM
• NFS4 Invalid inbound domain name
• Unmounting seemingly busy filesystem
• Solaris release update version
• Mounting an ISO image in Solaris

solaris utilities

• Finding out native instruction set in Solaris
• Identifying a failed disk using dd
• Reading Sun Cluster eventlog
• Jumpstart going interactive
• Installing and patching Data Protector client on standalone Solaris machine
• Trussing processes on Sun Cluster?
• Quick and dirty SVM cheatsheet
• Corrupt superblock, now what?
• Getting handle on log files
• Solaris Link Aggregation
• Basic IPMP
• Quick and dirty ZFS cheatsheet
• Gathering fibre channel info using fcinfo
• Managing core files
• Mirroring root disk using SVM
• Moving boot disk to a different target or controller
• Sun Cluster's scconf
• Booting alternate device using reboot command
• Using CVS with SMF
• Increasing number of NFS servers on Sun Cluster
• Moving LUN's between hosts using metarecover
• Useful Sun Cluster commands
• Viewing devaliases inside Solaris
• SC/RSC console setup
• Mounting an ISO image in Solaris

sun hardware

• Resetting ILOM root password on Sun Blade 6000 chassis
• Flashing firmware on SunFire T2000
• Unable to access console login prompt from ALOM
• OpenBoot: All CPUs failed or disabled
• Getting started with SOL on Sun Fire V20z and V40z
• Disabling MPxIO for onboard disks
• Determining ethernet MAC address from Open Boot prompt
• SC/RSC console setup

alom

• Resetting ILOM root password on Sun Blade 6000 chassis
• Flashing firmware on SunFire T2000
• Unable to access console login prompt from ALOM
• Forcing network speed and duplex in Open Boot prompt
• SC/RSC console setup

openboot

• Flashing firmware on SunFire T2000
• Unable to access console login prompt from ALOM
• OpenBoot: All CPUs failed or disabled
• Forcing network speed and duplex in Open Boot prompt
• Mirroring root disk using SVM
• Determining ethernet MAC address from Open Boot prompt
• Viewing devaliases inside Solaris

storage

• TrueNAS boot-pool disk replacement
• Quick way to rescan HBA from command line for disk changes
• How to move an LVM volume to a different host
• Linux LVM Snapshots
• Another take on Dynamic Volume Resize in RHEL 6
• fsck: Error determining size of the physical device: File too large
• Dynamically discovering disk volume in RedHat
• ext3 detected aborted journal
• Accessing Mirrored Metadevice When Booting from CD/DVD
• Logging into Engineering Mode on Clariion Array
• Solaris 10 VTOC weirdness on EMC Clariion Array
• Quick and dirty SVM cheatsheet
• Linux multipathing
• Growing mirrored LUN in RedHat
• Quick and dirty ZFS cheatsheet
• Growing Solaris Volume Manager mirrors online
• Disabling MPxIO for onboard disks
• Gathering fibre channel info using fcinfo
• Mirroring root disk using SVM
• Moving boot disk to a different target or controller
• Moving LUN's between hosts using metarecover
• Replacing disk controlled by SVM
• Unmounting seemingly busy filesystem

networking

• Trunking VLAN's towards Docker containers in VMware
• Sending packets out of incoming interface
• Completely disabling IPv6 in RedHat
• SecureFTP rename bug?
• Viewing and changing speed and duplex in Solaris
• Finding out length of a UTP cable using Cisco IOS
• Network interface bonding in Linux
• Solaris Link Aggregation
• Basic IPMP
• Forcing network speed and duplex in Open Boot prompt
• Determining ethernet MAC address from Open Boot prompt
• NFS4 Invalid inbound domain name

nfs

• Mounting Linux NFS share: Not owner
• Increasing number of NFS servers on Sun Cluster
• NFS4 Invalid inbound domain name

solaris volume manager

• Accessing Mirrored Metadevice When Booting from CD/DVD
• Quick and dirty SVM cheatsheet
• Growing Solaris Volume Manager mirrors online
• Mirroring root disk using SVM
• Moving LUN's between hosts using metarecover
• Replacing disk controlled by SVM

sun cluster

• Reading Sun Cluster eventlog
• Trussing processes on Sun Cluster?
• Sun Cluster's scconf
• Increasing number of NFS servers on Sun Cluster
• Useful Sun Cluster commands

san

• How to move an LVM volume to a different host
• Another take on Dynamic Volume Resize in RHEL 6
• Dynamically discovering disk volume in RedHat
• Logging into Engineering Mode on Clariion Array
• Solaris 10 VTOC weirdness on EMC Clariion Array
• Linux multipathing
• Growing mirrored LUN in RedHat
• Growing Solaris Volume Manager mirrors online
• Disabling MPxIO for onboard disks
• Gathering fibre channel info using fcinfo
• Moving LUN's between hosts using metarecover

hp eva

• Linux multipathing
• Weird disk label after using ZFS on a LUN
• Growing mirrored LUN in RedHat
• Growing Solaris Volume Manager mirrors online
• Moving LUN's between hosts using metarecover

cvs

• Using CVS with SMF

inetd

• Using CVS with SMF

smf

• Unable to access console login prompt from ALOM
• Failed repository integrity check
• Using CVS with SMF

jumpstart

• Jumpstart going interactive
• Forcing network speed and duplex in Open Boot prompt

fibre channel

• Another take on Dynamic Volume Resize in RHEL 6
• Dynamically discovering disk volume in RedHat
• How to configure Solaris 10 to drive HP MSL 6000
• Linux multipathing
• Disabling MPxIO for onboard disks
• Gathering fibre channel info using fcinfo

mpxio

• Solaris 10 VTOC weirdness on EMC Clariion Array
• Disabling MPxIO for onboard disks

centos

• NetworkManager IPv6 firehose
• audit: kauditd hold queue overflow
• Trunking VLAN's towards Docker containers in VMware
• PostgreSQL 13 master and replica behind HAproxy
• PostgreSQL 13 master with write-ahead log shipping replica
• Multiple iSCSI interfaces with multipathing on CentOS 7
• Quick way to rescan HBA from command line for disk changes
• Error converting RHEL server using VMware Converter
• How to move an LVM volume to a different host
• Linux LVM Snapshots
• Apache Pulsar Unit files
• Basic Apache Pulsar cluster howto
• Is it a sparse file?
• Sending packets out of incoming interface
• Using whole disk for LVM during kickstart
• Another take on Dynamic Volume Resize in RHEL 6
• Hung Linux system: Now what?
• fsck: Error determining size of the physical device: File too large
• Unfinished transactions in yum
• Oracle DB failed to start: ORA-27102: out of memory
• Dynamically discovering disk volume in RedHat
• ext3 detected aborted journal
• Completely disabling IPv6 in RedHat
• Onlining and Offlining CPU's in Linux
• Configuring RedHat for Oracle Enterprise Manager agent install
• SecureFTP rename bug?
• Oracle syslog madness
• XenServer failing to boot a VM
• Resetting readonly shell variable
• Configuring Tomcat to log via syslog
• Init.d script failing to stop service on RedHat
• Dropping cached memory in Linux
• Is Linux really out of memory?
• Very basic SELinux troubleshooting
• Removing file or directory via inode number
• Identifying a failed disk using dd
• Unmouting stale NFS mountpoint in linux
• Why it's not a good idea to remove active log file
• Linux multipathing
• Mounting Linux NFS share: Not owner
• Network interface bonding in Linux
• Growing mirrored LUN in RedHat
• Getting started with SOL on Sun Fire V20z and V40z

linux

• Building minimal Jetson L4T rootfs for Nvidia Orin AGX CTI board
• NetworkManager IPv6 firehose
• audit: kauditd hold queue overflow
• Trunking VLAN's towards Docker containers in VMware
• stdin, stdout, stderr redirection
• How to move an LVM volume to a different host
• Changing user email address in Gitlab using rails console
• Selectively forwarding logs using syslog-ng based on source hostnames
• Linux LVM Snapshots
• Apache Pulsar Unit files
• Basic Apache Pulsar cluster howto
• Is it a sparse file?
• Sending packets out of incoming interface
• Using whole disk for LVM during kickstart
• Another take on Dynamic Volume Resize in RHEL 6
• There is no screen to be resumed...
• Hung Linux system: Now what?
• fsck: Error determining size of the physical device: File too large
• Unfinished transactions in yum
• Oracle DB failed to start: ORA-27102: out of memory
• Copying directories with tar
• Dynamically discovering disk volume in RedHat
• ext3 detected aborted journal
• Completely disabling IPv6 in RedHat
• Onlining and Offlining CPU's in Linux
• Configuring RedHat for Oracle Enterprise Manager agent install
• SecureFTP rename bug?
• Oracle syslog madness
• XenServer failing to boot a VM
• Resetting readonly shell variable
• Configuring Tomcat to log via syslog
• Init.d script failing to stop service on RedHat
• Dropping cached memory in Linux
• Is Linux really out of memory?
• Very basic SELinux troubleshooting
• Removing file or directory via inode number
• Identifying a failed disk using dd
• Unmouting stale NFS mountpoint in linux
• Why it's not a good idea to remove active log file
• Linux multipathing
• Mounting Linux NFS share: Not owner
• Network interface bonding in Linux
• Growing mirrored LUN in RedHat
• Getting started with SOL on Sun Fire V20z and V40z

linux tips

• NetworkManager IPv6 firehose
• audit: kauditd hold queue overflow
• Multiple iSCSI interfaces with multipathing on CentOS 7
• Quick way to rescan HBA from command line for disk changes
• How to move an LVM volume to a different host
• Selectively forwarding logs using syslog-ng based on source hostnames
• Linux LVM Snapshots
• Apache Pulsar Unit files
• Basic Apache Pulsar cluster howto
• Is it a sparse file?
• Sending packets out of incoming interface
• Using whole disk for LVM during kickstart
• Another take on Dynamic Volume Resize in RHEL 6
• There is no screen to be resumed...
• Hung Linux system: Now what?
• fsck: Error determining size of the physical device: File too large
• Unfinished transactions in yum
• Copying directories with tar
• Dynamically discovering disk volume in RedHat
• ext3 detected aborted journal
• Completely disabling IPv6 in RedHat
• Onlining and Offlining CPU's in Linux
• Configuring RedHat for Oracle Enterprise Manager agent install
• SecureFTP rename bug?
• Oracle syslog madness
• XenServer failing to boot a VM
• Resetting readonly shell variable
• Init.d script failing to stop service on RedHat
• Dropping cached memory in Linux
• Is Linux really out of memory?
• Very basic SELinux troubleshooting
• Removing file or directory via inode number
• Identifying a failed disk using dd
• Unmouting stale NFS mountpoint in linux
• Why it's not a good idea to remove active log file
• Linux multipathing
• Mounting Linux NFS share: Not owner
• Network interface bonding in Linux
• Growing mirrored LUN in RedHat
• Getting started with SOL on Sun Fire V20z and V40z

redhat

• NetworkManager IPv6 firehose
• audit: kauditd hold queue overflow
• Trunking VLAN's towards Docker containers in VMware
• PostgreSQL 13 master and replica behind HAproxy
• PostgreSQL 13 master with write-ahead log shipping replica
• Multiple iSCSI interfaces with multipathing on CentOS 7
• Quick way to rescan HBA from command line for disk changes
• Error converting RHEL server using VMware Converter
• How to move an LVM volume to a different host
• Linux LVM Snapshots
• Apache Pulsar Unit files
• Basic Apache Pulsar cluster howto
• Is it a sparse file?
• Sending packets out of incoming interface
• Using whole disk for LVM during kickstart
• Hung Linux system: Now what?
• fsck: Error determining size of the physical device: File too large
• Unfinished transactions in yum
• Oracle DB failed to start: ORA-27102: out of memory
• Dynamically discovering disk volume in RedHat
• ext3 detected aborted journal
• Completely disabling IPv6 in RedHat
• Onlining and Offlining CPU's in Linux
• Configuring RedHat for Oracle Enterprise Manager agent install
• SecureFTP rename bug?
• Oracle syslog madness
• XenServer failing to boot a VM
• Resetting readonly shell variable
• Configuring Tomcat to log via syslog
• Init.d script failing to stop service on RedHat
• Dropping cached memory in Linux
• Is Linux really out of memory?
• Very basic SELinux troubleshooting
• Removing file or directory via inode number
• Identifying a failed disk using dd
• Unmouting stale NFS mountpoint in linux
• Why it's not a good idea to remove active log file
• Linux multipathing
• Mounting Linux NFS share: Not owner
• Network interface bonding in Linux
• Growing mirrored LUN in RedHat
• Getting started with SOL on Sun Fire V20z and V40z

zfs

• TrueNAS boot-pool disk replacement
• ZFS and swapping
• Solaris Containers and ZFS
• Weird disk label after using ZFS on a LUN
• Quick and dirty ZFS cheatsheet

lvm2

• How to move an LVM volume to a different host
• Linux LVM Snapshots
• Another take on Dynamic Volume Resize in RHEL 6
• ext3 detected aborted journal
• Growing mirrored LUN in RedHat

multipathing

• Solaris 10 VTOC weirdness on EMC Clariion Array
• Linux multipathing
• Growing mirrored LUN in RedHat

solaris containers

• Deleting Solaris Container
• Renaming Solaris Container
• Running X applications inside Solaris Container on a headless server
• Solaris Containers and ZFS
• Moving Solaris Container to a different host
• Cloning Solaris Container
• How to get HP Jetadmin working inside Solaris Container
• Solaris Containers

solaris zones

• Deleting Solaris Container
• Renaming Solaris Container
• Running X applications inside Solaris Container on a headless server
• Solaris Containers and ZFS
• Moving Solaris Container to a different host
• Cloning Solaris Container
• How to get HP Jetadmin working inside Solaris Container
• Solaris Containers

virtualization

• Error converting RHEL server using VMware Converter
• vShield Manager CLI password change
• Rebooting hung XenServer VM
• XenServer failing to boot a VM
• Deleting Solaris Container
• Renaming Solaris Container
• Running X applications inside Solaris Container on a headless server
• Solaris Containers and ZFS
• Moving Solaris Container to a different host
• Cloning Solaris Container
• How to get HP Jetadmin working inside Solaris Container
• Solaris Containers

hp jetdirect

• Jetadmin and non-HP network printers
• How to get HP Jetadmin working inside Solaris Container

hp jetadmin

• Jetadmin and non-HP network printers
• How to get HP Jetadmin working inside Solaris Container

cisco

• Finding out length of a UTP cable using Cisco IOS

ios

• Finding out length of a UTP cable using Cisco IOS

hp data protector

• How to configure Solaris 10 to drive HP MSL 6000
• Installing and patching Data Protector client on standalone Solaris machine

clariion

• Logging into Engineering Mode on Clariion Array
• Solaris 10 VTOC weirdness on EMC Clariion Array

cde

• Running X applications inside Solaris Container on a headless server

xdm

• Running X applications inside Solaris Container on a headless server

hpux

• Identifying a failed disk using dd

hp msl

• How to configure Solaris 10 to drive HP MSL 6000

security

• Configuring RedHat for Oracle Enterprise Manager agent install
• Very basic SELinux troubleshooting

selinux

• Apache fails to configure CA certificate chain
• Very basic SELinux troubleshooting

ilom

• Resetting ILOM root password on Sun Blade 6000 chassis
• Flashing firmware on SunFire T2000
• Unable to access console login prompt from ALOM

tomcat

• Configuring Tomcat to log via syslog

syslog

• Oracle syslog madness
• Configuring Tomcat to log via syslog

shell

• Poor mans JSON Validator using jq
• stdin, stdout, stderr redirection
• Is it a sparse file?
• There is no screen to be resumed...
• Copying directories with tar
• Resetting readonly shell variable

xen

• Rebooting hung XenServer VM
• XenServer failing to boot a VM

xenserver

• Rebooting hung XenServer VM
• XenServer failing to boot a VM

oracle

• Oracle DB failed to start: ORA-27102: out of memory
• Configuring RedHat for Oracle Enterprise Manager agent install
• Oracle syslog madness

ext3

• ext3 detected aborted journal

vmware

• Workaround to get fresh vSphere 8.0 install to boot in UEFI mode
• Fatal error 10: (Out of resources) during vSphere 8.0 install
• Trunking VLAN's towards Docker containers in VMware
• Error converting RHEL server using VMware Converter
• vShield Manager CLI password change

vshield

• vShield Manager CLI password change

ext4

• fsck: Error determining size of the physical device: File too large

screen

• There is no screen to be resumed...

kickstart

• Using whole disk for LVM during kickstart

pulsar

• Adding Apache Kafka capability to Apache Pulsar
• Apache Pulsar Unit files
• Basic Apache Pulsar cluster howto

messaging

• Basic quick and dirty Kafka test cluster
• Adding Apache Kafka capability to Apache Pulsar
• Apache Pulsar Unit files
• Basic Apache Pulsar cluster howto

pubsub

• Basic quick and dirty Kafka test cluster
• Adding Apache Kafka capability to Apache Pulsar
• Apache Pulsar Unit files
• Basic Apache Pulsar cluster howto

systemd

• Apache Pulsar Unit files

kafka

• Basic quick and dirty Kafka test cluster
• Adding Apache Kafka capability to Apache Pulsar

syslog-ng

• Selectively forwarding logs using syslog-ng based on source hostnames

windows

• Selectively forwarding logs using syslog-ng based on source hostnames

gitlab

• Changing user email address in Gitlab using rails console

converter

• Error converting RHEL server using VMware Converter

infinera

• Unable to restore Infinera DNA database

dna

• Unable to restore Infinera DNA database

apache

• Apache fails to configure CA certificate chain

ssl

• Apache fails to configure CA certificate chain

hp hardware

• How to reboot HP iLO 5 from command line

ilo

• How to reboot HP iLO 5 from command line

ansible

• Stupid Ansible tips

iscsi

• Multiple iSCSI interfaces with multipathing on CentOS 7

multipathd

• Multiple iSCSI interfaces with multipathing on CentOS 7

postgresql

• PostgreSQL 13 master and replica behind HAproxy
• PostgreSQL 13 master with write-ahead log shipping replica

ha

• PostgreSQL 13 master and replica behind HAproxy
• PostgreSQL 13 master with write-ahead log shipping replica

haproxy

• PostgreSQL 13 master and replica behind HAproxy

unix

• stdin, stdout, stderr redirection

rocky

• NetworkManager IPv6 firehose
• audit: kauditd hold queue overflow
• Trunking VLAN's towards Docker containers in VMware

docker

• Trunking VLAN's towards Docker containers in VMware

containers

• Trunking VLAN's towards Docker containers in VMware

kubernetes

• Limiting Kubelet log size in K3s
• Modifying running Kubernetes deployment
• Using Workload Identity in GKE to connect to CloudSQL instances

k8s

• Modifying running Kubernetes deployment
• Using Workload Identity in GKE to connect to CloudSQL instances

gke

• Using Workload Identity in GKE to connect to CloudSQL instances

gcp

• Using Workload Identity in GKE to connect to CloudSQL instances

google cloud

• Using Workload Identity in GKE to connect to CloudSQL instances

cloudsql

• Using Workload Identity in GKE to connect to CloudSQL instances

workload identity

• Using Workload Identity in GKE to connect to CloudSQL instances

esxi

• Workaround to get fresh vSphere 8.0 install to boot in UEFI mode
• Fatal error 10: (Out of resources) during vSphere 8.0 install

vsphere

• Workaround to get fresh vSphere 8.0 install to boot in UEFI mode
• Fatal error 10: (Out of resources) during vSphere 8.0 install

auditd

• audit: kauditd hold queue overflow

networkmanager

• NetworkManager IPv6 firehose

k3s

• Limiting Kubelet log size in K3s
• Modifying running Kubernetes deployment

nvidia

• Building minimal Jetson L4T rootfs for Nvidia Orin AGX CTI board

connect tech

• Building minimal Jetson L4T rootfs for Nvidia Orin AGX CTI board

l4t

• Building minimal Jetson L4T rootfs for Nvidia Orin AGX CTI board

orin

• Building minimal Jetson L4T rootfs for Nvidia Orin AGX CTI board

jetson

• Building minimal Jetson L4T rootfs for Nvidia Orin AGX CTI board

nvidia hardware

• Building minimal Jetson L4T rootfs for Nvidia Orin AGX CTI board

truenas

• TrueNAS boot-pool disk replacement

hardware

• TrueNAS boot-pool disk replacement

freebsd

• TrueNAS boot-pool disk replacement

json

• Poor mans JSON Validator using jq