- Spark Commands Cheat Sheet
- Spark Scala Commands Cheat Sheet
- Spark Cheat Sheet
- Spark Cheat Sheet Pdf
Display Default LDOM services
Having a good cheatsheet at hand can significantly speed up the development process. One of the best cheatsheet I have came across is sparklyr’s cheatsheet. For my work, I’m using Spark’s DataFrame API in Scala to create data transformation pipelines. Hadoop and Spark Fundamentals The Linux Command Line/HDFS Cheat Sheet For those new to the Linux command line. Version date: December 15, 2017 Text Terminal Access To access a Linux based Hadoop using the command line you need a text terminal connection. This includes connecting to a virtual machine on.
Purpose | Command |
---|
Check ldom manager (ldmd) | # svcs ldmd |
Check vntsd is running | # svcs vntsd |
Check Default Services are running | # ldm list-services primary |
Check ldm software | # ldm -V |
check ldoms manager package in Solaris 11 | # pkg info ldomsmanager |
Creating Default LDOM services
Purpose | Command |
---|
add virtual console concentrator (vcc) | # ldm add-vcc port-range=5000-5100 primary-vcc0 primary |
add virtual network switch (vsw) | # ldm add-vsw net-dev=net0 primary-vsw0 primary |
add virtual disk server (vds) | #ldm add-vds primary-vds0 primary |
add virtual storage device to virtual disk service (Add zfs filesystem to existing Guest domain) | # zfs create -V 5G rpool/ldom01_disk01 # ldm add-vdsdev /dev/zvol/dsk/rpool/ldom01_disk01 ldom01_disk01@primary-vds0 |
Removing Default LDOM services
Purpose | Command |
---|
remove virtual console concentrator (vcc) | # ldm remove-vcc primary-vcc0 |
remove virtual network switch (vsw) | # ldm remove-vsw primary-vsw0 |
remove virtual disk server (vds) | # ldm remove-vds primary-vds0 |
remove virtual storage device to virtual disk service | # ldm remove-vdsdev dvd-iso@primary-vds0 |
Start Default Services
Spark Commands Cheat Sheet
Purpose | Command |
---|
start ldom manager | # svcadm [enable|restart] ldmd |
start vntsd | # svcadm [enable|restrat] vntsd |
Spark Scala Commands Cheat Sheet
Basic Guest LDOM Administration
Purpose | Command |
---|
list resources binded to a Guest Domain | #ldm list-bindings ldom01 |
how to identify if the current domain role ? [Control,Guest,Service or Root] | # virtinfo -a |
how to check status of I/O device | # ldm list-io |
how to check logical domain (ldom) status | # ldm list-domain -o domain ldom01 |
list the status of all the guest domains on the system | # ldm list |
how to manually list the LDOM config on a system | # ldm list-bindings [ldom_name] |
list current LDOM configuration in Solaris | # ldm list-spconfig |
Check CPU activation | # ldm list-permits |
Check Autoreplacement policy for CPU | # svccfg -s ldmd listprop ldmd/autoreplacement_policy_cpu |
stop/start/break/unbind/bind
Purpose | Command |
---|
issue send break | # telnet localhost 5000 telnet> send brk |
stop Guest Domain | # ldm stop ldom01 |
start Guest Domain | # ldm start ldom01 |
unbind Guest Domain | # ldm unbind ldom01 |
bind Guest Domain | # ldm bind ldom01 |
Add/Create/Assign
Purpose | Command |
---|
Add Guest Domain | # ldm add-domain ldom01 |
assign cpu threads to Guest Domain | # ldm add-vcpu 6 ldom01 |
assign vcpu units of cores | # ldm add-core, ldm set-core [number] [ldom] |
assign memory to Guest Domain | # ldm add-memory 4G ldom01 |
add vnet device to Guest Domain | # ldm add-vnet vnet1 primary-vsw0 ldom01 |
assign disk resource to Guest Domain | # ldm add-vdisk ldom01-disk01 ldom01-disk01@primary-vds0 ldom01 |
Remove/Delete
Purpose | Command |
---|
Remove a Guest Domain | # ldm remove-domain ldom01 |
Remove disk resource from Guest Domain | # ldm remove-vdisk vdisk01 ldom01 |
Remove virtual network device from a Guest Domain | # ldm remove-vnet vnet1 ldom01 |
Remove CPU threads from a Guest Domain | # ldm remove-vcpu 8 ldom01 |
Remove virtual cpu units in cores from a Guest Domain | # ldm remove-core 2 ldom01 |
Remove memory from a Guest Domain | # ldm remove-memory 8G ldom01 |
Save LDOM Config
Purpose | Command |
---|
save ldom configuration to the SP | # ldm add-spconfig newconfig |
backup of existing configuration from the control domain | # ldm list-constraints -x > /var/tmp/guest-domain-name.xml # ldm list-bindings > /var/tmp/full-bindings # ldm ls -l > /var/tmp/guest-domain-list.xml” |
Spark Cheat Sheet
Miscellaneous Commands
Spark Cheat Sheet Pdf
Purpose | Command |
---|
identify physical resources bindings | # ldm list-constraints |
login to the console of a Guest Domain | # telnet localhost 5001 |
Enable/Disable console loggging function for a Guest Domain | # ldm set-vcons log=[off|on] [dom-name] |
Display current console settings of a Guest Domain | # ldm list -o console ldom01 |
list all LDOM config from SP with timestamp | -> show /HOST/domain/configs date_created -t |
list current LDOM config from SP | -> show /HOST/bootmode config -t |
Generate crashdump from SP | -> set /HOST/send_break_action=dumpcore |
Crash a guest domain from the control domain | # ldm panic-domain ldom01 |
to check failed cpu or memory components from Control Domain | # ldm list-domain -l -S |