HP-UX LVM scripts (update)
Over the last couple of years I have made some small and not so small improvements to the LVM scripts for HP-UX. Most notably additional options/toggles were...
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hp-ux
Oracle: unable to mount filesystems
The mount command fails for filesystems with option convosync=direct:
Tracing automounter
Levels Two levels of automounter tracing are available:
Serviceguard - problem with HA-NFS shares
Problem At cluster package stop, a file system is not unmounting correctly because the underlying NFS share is not being unshared first correcty:
How to fix permissions on a live mountpoint
The usual way to update the ownerships and/or permissions of an actual mountpoint directory is to unmount the filesystem, then update its attributes and then...
OA (Operations Agent) debugging
Some useful debugging tips for the Operations Agent.
cpsh commands
About cpsh allows the real-time display of Glance metrics from any system where the perfd daemon is running. If no options (with exceptions mentioned below)...
LUN ID 0 issue
Background HP-UX requires at least one LUN device to be present with LUN or SCSI ID 0 in order to scan the corresponding SCSI bus. This LUN ID 0 device will...
OA (Operations Agent) troubleshooting
About For many years I have dealing with the HP OpenView OA (Operations Agent) either its in full incarnation of the software stack or just when using the O...
What is a LUNZ device?
About LUNZ is defined as : The logical unit number that an application client uses to communicate with, configure and determine information about an SCSI s...
HP-UX LVM scripts in Linux style
I wrote a couple of Perl scripts that make querying basic LVM information on HP-UX hosts a bit easier and show info alike the much loved Linux tools pvs/vgs/...
List IBM tapes (atdd)
A quick-and-dirty script to list the details of IBM atdd tape devices:
How to send SNMP traps (OVPA)
Since the HP OV Performance Agent is installed on most HP-UX systems, the trapsend command can be used to send SNMP test traps.
Set up BIND on HP-UX
About This is a short guide in getting a DNS server up and running on a HP-UX system. The obvious choice for DNS server software is BIND as pre-compiled bun...
Clean up failed LUN paths on HP-UX
About The handle_failed_lunpaths.sh is a small script to show and/or remove failed LUN paths on HP-UX using the scsimgr tool. Code Download the script fro...
Untrusted X11 forwarding on HP-UX is broken
Problem X forwarding does not seem to be working correctly when trying to establish a connection between two HP-UX (11.31) hosts
ORA-17612 - Failed to discover Oracle Disk Manager library
Problem On a HP-UX host with VXVM/CFS in use, we got following error when starting an Oracle RAC instance:
Check VxVM dmp paths
A quick snippet to count the multi-paths for each disk:
How to enable agile naming mode in VxVM
By default Veritas Volume Manager uses HP-UX legacy naming scheme instead of the agile view. Below is a procedure to change this behaviour.
Serviceguard ECMT Oracle mount helper
About The control_pkg_db.sh script provides a quick way to manually (de)-activate the disk resources (VxVM) of a cluster package created with the Servicegua...
Shutting down Oracle databases quickly in parallel
About Many folks running a large(r) amount of Oracle (single) instances on the one and same server use a sequential method for shutting down their databases...
Validating mount options for Oracle filesystems (SAP)
About The check_ora_sap_mounts.pl script is a fairly quick-and-dirty script to validate the mount options on remote Oracle filesystems in a typical SAP set-...
health checker
aix
Comprehensive AIX system backup script (mksysb, iosbackup)
About I have written this system backup script because none of the freely available scripts fitted my exact needs. The run_aix_system_backup.sh script provi...
Shutting down Oracle databases quickly in parallel
About Many folks running a large(r) amount of Oracle (single) instances on the one and same server use a sequential method for shutting down their databases...
linux
Unable to open pty: no such file or directory
It appears that OpenVZ and CentOS can have some issues regarding udev. After installing the Development tools yum package I found myself unable to do anythin...
Migrating from Bacula to Burp
I migrated from the Bacula backup/restore tool (v5) to the Burp software. In this short article I will talk a bit about the rationale behind that decision ...
OpenVZ failing to assign IP address
I was presented with quite an unpleasant surprise today when I rebooted a few OpenVZ containers running CentOS 7 with the latest patches applied. Though ea...
SSH X11 forwarding not working
Problem X11 forwarding via SSH is not working and gives following error in SYSLOG:
OpenVZ breaks networking
I planned a reboot of my server(s) over the weekend to fix a hanging ILO problem. Since the remote console was out of order, I had to go the datacenter offer...
Why I use ZIM Wiki
My main use for Zim Wiki is that of a documentation tool covering the tasks and projects I am doing as a freelancer system administrator/engineer. And at th...
HP Proliant HW monitor
About The hppro_hwmon Perl script will query the HP Linux hpasmcli and hpacucli command-line tools to check or show the health of your Proliant hardware. It...
Using trickle and Bacula in a multi-homed environment
About Here is a brief tutorial on how I have set up the powerful Bacula backup tool on a server supporting a split-backup environment:
vxvm
ORA-17612 - Failed to discover Oracle Disk Manager library
Problem On a HP-UX host with VXVM/CFS in use, we got following error when starting an Oracle RAC instance:
Check VxVM dmp paths
A quick snippet to count the multi-paths for each disk:
How to enable agile naming mode in VxVM
By default Veritas Volume Manager uses HP-UX legacy naming scheme instead of the agile view. Below is a procedure to change this behaviour.
Serviceguard ECMT Oracle mount helper
About The control_pkg_db.sh script provides a quick way to manually (de)-activate the disk resources (VxVM) of a cluster package created with the Servicegua...
ksh
Comprehensive AIX system backup script (mksysb, iosbackup)
About I have written this system backup script because none of the freely available scripts fitted my exact needs. The run_aix_system_backup.sh script provi...
Clean up failed LUN paths on HP-UX
About The handle_failed_lunpaths.sh is a small script to show and/or remove failed LUN paths on HP-UX using the scsimgr tool. Code Download the script fro...
How to make ksh behave like Bash
Following snippet is not by my hand but I am posting it anyway as I am unable to find the original reference to it.
HP Proliant HW monitor
About The hppro_hwmon Perl script will query the HP Linux hpasmcli and hpacucli command-line tools to check or show the health of your Proliant hardware. It...
Serviceguard ECMT Oracle mount helper
About The control_pkg_db.sh script provides a quick way to manually (de)-activate the disk resources (VxVM) of a cluster package created with the Servicegua...
Shutting down Oracle databases quickly in parallel
About Many folks running a large(r) amount of Oracle (single) instances on the one and same server use a sequential method for shutting down their databases...
virtualization
Unable to open pty: no such file or directory
It appears that OpenVZ and CentOS can have some issues regarding udev. After installing the Development tools yum package I found myself unable to do anythin...
OpenVZ failing to assign IP address
I was presented with quite an unpleasant surprise today when I rebooted a few OpenVZ containers running CentOS 7 with the latest patches applied. Though ea...
OpenVZ breaks networking
I planned a reboot of my server(s) over the weekend to fix a hanging ILO problem. Since the remote console was out of order, I had to go the datacenter offer...
oracle
Oracle: unable to mount filesystems
The mount command fails for filesystems with option convosync=direct:
ORA-17612 - Failed to discover Oracle Disk Manager library
Problem On a HP-UX host with VXVM/CFS in use, we got following error when starting an Oracle RAC instance:
Serviceguard ECMT Oracle mount helper
About The control_pkg_db.sh script provides a quick way to manually (de)-activate the disk resources (VxVM) of a cluster package created with the Servicegua...
Shutting down Oracle databases quickly in parallel
About Many folks running a large(r) amount of Oracle (single) instances on the one and same server use a sequential method for shutting down their databases...
Validating mount options for Oracle filesystems (SAP)
About The check_ora_sap_mounts.pl script is a fairly quick-and-dirty script to validate the mount options on remote Oracle filesystems in a typical SAP set-...
vios
Comprehensive AIX system backup script (mksysb, iosbackup)
About I have written this system backup script because none of the freely available scripts fitted my exact needs. The run_aix_system_backup.sh script provi...
openvz
Unable to open pty: no such file or directory
It appears that OpenVZ and CentOS can have some issues regarding udev. After installing the Development tools yum package I found myself unable to do anythin...
OpenVZ failing to assign IP address
I was presented with quite an unpleasant surprise today when I rebooted a few OpenVZ containers running CentOS 7 with the latest patches applied. Though ea...
OpenVZ breaks networking
I planned a reboot of my server(s) over the weekend to fix a hanging ILO problem. Since the remote console was out of order, I had to go the datacenter offer...
ssh controls
ssh
Untrusted X11 forwarding on HP-UX is broken
Problem X forwarding does not seem to be working correctly when trying to establish a connection between two HP-UX (11.31) hosts
SSH X11 forwarding not working
Problem X11 forwarding via SSH is not working and gives following error in SYSLOG:
vxfs
Oracle: unable to mount filesystems
The mount command fails for filesystems with option convosync=direct:
operations agent
OA (Operations Agent) debugging
Some useful debugging tips for the Operations Agent.
cpsh commands
About cpsh allows the real-time display of Glance metrics from any system where the perfd daemon is running. If no options (with exceptions mentioned below)...
OA (Operations Agent) troubleshooting
About For many years I have dealing with the HP OpenView OA (Operations Agent) either its in full incarnation of the software stack or just when using the O...
sap
Serviceguard - problem with HA-NFS shares
Problem At cluster package stop, a file system is not unmounting correctly because the underlying NFS share is not being unshared first correcty:
Validating mount options for Oracle filesystems (SAP)
About The check_ora_sap_mounts.pl script is a fairly quick-and-dirty script to validate the mount options on remote Oracle filesystems in a typical SAP set-...
perl
HP-UX LVM scripts (update)
Over the last couple of years I have made some small and not so small improvements to the LVM scripts for HP-UX. Most notably additional options/toggles were...
HP-UX LVM scripts in Linux style
I wrote a couple of Perl scripts that make querying basic LVM information on HP-UX hosts a bit easier and show info alike the much loved Linux tools pvs/vgs/...
Validating mount options for Oracle filesystems (SAP)
About The check_ora_sap_mounts.pl script is a fairly quick-and-dirty script to validate the mount options on remote Oracle filesystems in a typical SAP set-...
bacula
Migrating from Bacula to Burp
I migrated from the Bacula backup/restore tool (v5) to the Burp software. In this short article I will talk a bit about the rationale behind that decision ...
Using trickle and Bacula in a multi-homed environment
About Here is a brief tutorial on how I have set up the powerful Bacula backup tool on a server supporting a split-backup environment:
serviceguard
Serviceguard - problem with HA-NFS shares
Problem At cluster package stop, a file system is not unmounting correctly because the underlying NFS share is not being unshared first correcty:
Serviceguard ECMT Oracle mount helper
About The control_pkg_db.sh script provides a quick way to manually (de)-activate the disk resources (VxVM) of a cluster package created with the Servicegua...
sudo controls
Back to top ↑exadata
ZFS appliance scripts
Oracle ZFS appliances provide a javascript-like scripting language that can be used to query the appliance. Here are 2 scripts that have come in very handy ...
nfs
Tracing automounter
Levels Two levels of automounter tracing are available:
Serviceguard - problem with HA-NFS shares
Problem At cluster package stop, a file system is not unmounting correctly because the underlying NFS share is not being unshared first correcty:
How to fix permissions on a live mountpoint
The usual way to update the ownerships and/or permissions of an actual mountpoint directory is to unmount the filesystem, then update its attributes and then...
lvm
efi
Back to top ↑bash
Have a Merry and Snowy Christmas in your Linux terminal!
disclaimer: this script was not written by me and unfortunately I cannot find the original location on the Internet anymore. I just wanted to post...
How to make ksh behave like Bash
Following snippet is not by my hand but I am posting it anyway as I am unable to find the original reference to it.
zimwiki
Running Zim in WSL
Steps to run Zim on Windows Subsystem for Linux:
Why I use ZIM Wiki
My main use for Zim Wiki is that of a documentation tool covering the tasks and projects I am doing as a freelancer system administrator/engineer. And at th...
burp
Migrating from Bacula to Burp
I migrated from the Bacula backup/restore tool (v5) to the Burp software. In this short article I will talk a bit about the rationale behind that decision ...
zfs
ZFS appliance scripts
Oracle ZFS appliances provide a javascript-like scripting language that can be used to query the appliance. Here are 2 scripts that have come in very handy ...
pa-risc
Back to top ↑virtual connect
Back to top ↑proliant
HP Proliant HW monitor
About The hppro_hwmon Perl script will query the HP Linux hpasmcli and hpacucli command-line tools to check or show the health of your Proliant hardware. It...
ignite-ux
Back to top ↑shell
Have a Merry and Snowy Christmas in your Linux terminal!
disclaimer: this script was not written by me and unfortunately I cannot find the original location on the Internet anymore. I just wanted to post...
itm
Back to top ↑dns
Set up BIND on HP-UX
About This is a short guide in getting a DNS server up and running on a HP-UX system. The obvious choice for DNS server software is BIND as pre-compiled bun...
pam
Back to top ↑vsp
Back to top ↑emc
What is a LUNZ device?
About LUNZ is defined as : The logical unit number that an application client uses to communicate with, configure and determine information about an SCSI s...
crs
Back to top ↑ovm
Back to top ↑sfm
Back to top ↑snmp
Back to top ↑windows
Running Zim in WSL
Steps to run Zim on Windows Subsystem for Linux:
wsl
Running Zim in WSL
Steps to run Zim on Windows Subsystem for Linux:
mobaxterm
Running Zim in WSL
Steps to run Zim on Windows Subsystem for Linux:
sendmail
Back to top ↑autofs
Tracing automounter
Levels Two levels of automounter tracing are available:
git
Moving from Github to self-hosted git
I have taken the step to move all my repositories from Github to my own self-hosted git service at git.kudos.be. The move is a logical consequence of the ev...
gitea
Moving from Github to self-hosted git
I have taken the step to move all my repositories from Github to my own self-hosted git service at git.kudos.be. The move is a logical consequence of the ev...