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Posted by jpluimers on 2019/03/15
[WayBack] Is It Better to Rent or Buy? – The New York Times
Via: [WayBack] This is the #calculator you need in your life but no one ever told you about. Is it better for you to #rent or #own a #property? Drag the sliders for yo… – Jason Mayes – Google+
Source: This is the #calculator you need in your life but no one ever told you about….
–jeroen
Posted in LifeHacker | Leave a Comment »
Posted by jpluimers on 2019/03/15
For me, scp is like tar; somehow I Google this every time…
~ # ssh username@192.168.71.123 ... ~ # ls -alh `find /vmfs/volumes/ | grep -w W81Entx64CI | grep '\.vmdk$'` -rw------- 1 root root 200.0G Aug 26 22:48 /vmfs/volumes/552f5788-33e30274-8dba-001f29022aed/VM/PSO/W81Entx64CI/W81Entx64CI-flat.vmdk -rw------- 1 root root 500 Aug 19 16:36 /vmfs/volumes/552f5788-33e30274-8dba-001f29022aed/VM/PSO/W81Entx64CI/W81Entx64CI.vmdk
~ # cd /vmfs/volumes/Samsung512NVME/PSO/VM/W81Entx64CI/ ~ # time scp -v username@192.168.71.123:/vmfs/volumes/552f5788-33e30274-8dba-001f29022aed/PSO/W81Entx64CI/W81Entx64CI-flat.vmdk W81Entx64CI-flat.vmdk
I don’t know what’s worse–the fact that after 15 years of using tar I still can’t keep the flags straight, or that after 15 years of technological advancement I’m still mucking with tar flags that were 15 years old when I started.
The last line will logon over ssh and shows the file transfer in a verbose way.
Requirements:
Via [WayBack] shell – How to scp a folder from remote to local? – Stack Overflow (thanks [WayBack] Gryphius)
Image source: [WayBack] xkcd: tar
–jeroen
Posted in Communications Development, Development, Internet protocol suite, SSH, TCP | Leave a Comment »
Posted by jpluimers on 2019/03/15
Dutch / English knot translations via
Via the comments: the Automatic Trucker’s Hitch:
–jeroen
Posted in LifeHacker, Power User | Leave a Comment »
Posted by jpluimers on 2019/03/14
From a while ago [WayBack] delphi – Why was TDataSource created originally? – Stack Overflow
It is all about decoupling and indirection.
And with TDataSource there are two kinds of them:
- Decoupling the master detail relations (TDataSource is in the same module as the TDataSets that are being bound; the detail TDataSet references the master TDataSet by pointing its’ MasterSource property to the TDataSource that points to the master TDataSet)
- Decoupling the UI from the business layer (TDataSets are in a DataModule; TDataSource is on the Form/Frame which contains your UI controls, UI controls reference their DataSourceproperty).
Since many components can point to the same DataSource, you can quickly switch which underlying TDataSet they use by just flipping one TDataSource.DataSet property.
–jeroen
Posted in Conference Topics, Conferences, Delphi, Development, Event, Software Development | Leave a Comment »
Posted by jpluimers on 2019/03/14
One more article about differences between the old C# Windows vSphere Client and “new” vSphere HTML5 Web Client in ESXi 6.5 and up.
This time about changing the startup/shutdown sequence so automatically power on and power off virtual machines.
In the old C# Windows vSphere Client, this was at the host level in the configuration tab under Virtual Machine Startup/Shutdown. There you click on Properties, then adjust the order by moving them up and down (screenshots and more detailed instructions are at ESX(i) AutoStart virtual machines: how to change the VM startup/shutdown settings (via: VMware Communities)).
In the vSphere HTML5 Web Client, there are two bits for this:
On the server you need to enable AutoStart:
From:
to:
For each VM you have to enable AutoStart, then determine the order
Actions, then Autostart, then Enable:
If after boot you get a “Failed – The operation is not allowed in the current state.“, then your machine still is in maintenance mode.
–jeroen
Posted in ESXi6.5, Power User, Virtualization, VMware, VMware ESXi | Leave a Comment »
Posted by jpluimers on 2019/03/14
On my systems these so far give the best compression results with 7zip and p7zip 16.02:
-t7z -m0=lzma2:d=1024m -mx=9 -aoa -mfb=64 -md=32m -ms=on
Note the -d=1024m is mentioned on some sites, but is gone around version 16.
Via:
If you want to delete the files after archiving, then use the -sdel switch: -sdel (Delete files after including to archive) switch
If -sdel switch is specified, 7-Zip deletes files after including to archive. So it works like moving files to archive., moves txt files from disk’s directory to a.7z archive.
–jeroen
Posted in 7zip, Compression, Power User | 1 Comment »
Posted by jpluimers on 2019/03/13
Based on [WayBack] windows – How to run batch file command with elevated permissions? – Super User:
powershell -command "Start-Process cmd.exe -Verb runas"
This works better than "runas /user:administrator cmd.exe" as that forces to use the specific Administrator account, whereas the PowerShell way allows you to specify the actual account during elevation.
You can extend this to run a command with one or more parameters based on [WayBack] Launch Elevated CMD.exe from Powershell – Stack Overflow (thanks [WayBack] mklement0):
powershell -command "Start-Process cmd.exe -Verb runas -Args /k, call, goto-bin"
This will actually pass “call goto-bin” to cmd.exe which tries to execute the “goto-bin” command (which I have around on the PATH as goto-bin.bat).
You can either use comma-separated parameters or a quoted string. In this expansion, comma-separated is easier in this PowerShell construct.
–jeroen
Posted in Batch-Files, CommandLine, Console (command prompt window), Development, Power User, PowerShell, PowerShell, Scripting, Software Development, Windows | Leave a Comment »
Posted by jpluimers on 2019/03/13
Reminder to self when checking “new” disks to see what partitions they contain before formatting them as VMFS.
There is a truckload information at [WayBack] Using the partedUtil command line utility on ESXi and ESX (1036609) | VMware KB.
A few tips; example output is further below:
/vmfs/devices/disks/ where there are two entries per device: a path leading to the device, and a link to that path which starts with vml. which I filter out with grep./vmfs/devices/disks/ ends with :# where # is a number, then it is a partitionpartedUtil get as partedUtil getptblwill give you exactly the same information,
unknown: the disk has no partition table yet (usually), or the type of partition table cannot be determined (hardly)gpt: there is a GUID Partition Tablemsdos: there is a Master Boot Record partition tablepartedUtil is unformatted, which means it is easy to parse, but hard to read for humans. You can pipe through sed 's/ /\t/g' (as there is no tr on the ESXi busybox)On scripting:
sh (always been there)Python (ESXi 5.1 has Python 2.7.8; ESXi 6.5 has Python 3.5.3; it has likely been available in earlier versions too).On device names:
On errors:
Module 'Disk' power on failed.(in the vmware.log file for the VM) and LookupAndOpen[file] failed Click here for more details. (in the Web UI): my impression this is usually has to do with either a mismatch of the text vmdk and the binary backing, or the chain of snapshots. The odd thing is that vmkfstool doesn’t always catch this and just returns Disk is error free.vmkfstools -x check /path/to/vmname.vmdk followed by vmkfstools -x repair/path/to/vmname.vmdkIf you do not like the cryptic
-x, then use--fix.
unknown, but for which VMware doesn’t know what to do with it. Basically three things to try:
gparted to edit the partition table.diskpartor diskmgmt.msc to edit the partition table.msdos one:~ # find /vmfs/devices/disks/ | grep T1500LM0032D9YH148
/vmfs/devices/disks/t10.ATA_____ST1500LM0032D9YH148__________________________________Z110C4Q0a
~ # partedUtil getptbl /vmfs/devices/disks/t10.ATA_____ST1500LM0032D9YH148__________________________________Z110C4Q0
unknown
182401 255 63 2930277168
~ # I know of three VMFS types:
Some interesting links about the various VMFS types:
Busybox has been updated over time:
traceroute now, this is not needed any more: [WayBack] Poor man’s traceroute for ESXi | virtuallyGhetto (https://github.com/leonidg/Poor-Man-s-traceroute/blob/master/traceroute.py needs to be updated to be compatible with Python 3 anyway).
Example outputs on one of my systems, of which I stripped most of the disks as they’re not really relevant here.
[root@ESXi-X10SRH-CF:~] ls -1 /vmfs/devices/disks/ | grep -v '^vml\.' naa.5000c50087762d1b ... naa.600605b00aa054a0ff000021022683ae naa.600605b00aa054a0ff000021022683ae:1 ... t10.ATA_____ST1500LM0032D9YH148__________________________________Z110C4Q0 t10.ATA_____Samsung_SSD_850_PRO_2TB_________________S2KMNCAGB04321L_____ t10.ATA_____Samsung_SSD_850_PRO_2TB_________________S2KMNCAGB04321L_____:1 ... t10.SanDisk00Ultra_Fit000000000000004C530001240406103372 t10.SanDisk00Ultra_Fit000000000000004C530001240406103372:1 t10.SanDisk00Ultra_Fit000000000000004C530001240406103372:5 t10.SanDisk00Ultra_Fit000000000000004C530001240406103372:6 t10.SanDisk00Ultra_Fit000000000000004C530001240406103372:7 t10.SanDisk00Ultra_Fit000000000000004C530001240406103372:8 t10.SanDisk00Ultra_Fit000000000000004C530001240406103372:9 [root@ESXi-X10SRH-CF:~] partedUtil getptbl /vmfs/devices/disks/t10.ATA_____ST1500LM0032D9YH148__________________________________Z110C4Q0 unknown 182401 255 63 2930277168 [root@ESXi-X10SRH-CF:~] partedUtil get /vmfs/devices/disks/t10.ATA_____ST1500LM0032D9YH148__________________________________Z110C4Q0 182401 255 63 2930277168 [root@ESXi-X10SRH-CF:~] partedUtil get /vmfs/devices/disks/t10.ATA_____SAMSUNG_MZHPV512HDGL2D00000______________S1X1NYAGB09589______ 62260 255 63 1000215216 1 2048 1000214527 0 0 [root@ESXi-X10SRH-CF:~] partedUtil getptbl /vmfs/devices/disks/t10.ATA_____SAMSUNG_MZHPV512HDGL2D00000______________S1X1NYAGB09589______ gpt 62260 255 63 1000215216 1 2048 1000214527 AA31E02A400F11DB9590000C2911D1B8 vmfs 0 [root@ESXi-X10SRH-CF:~] partedUtil getptbl /vmfs/devices/disks/t10.SanDisk00Ultra_Fit000000000000004C530001240406103372 gpt 3738 255 63 60062500 1 64 8191 C12A7328F81F11D2BA4B00A0C93EC93B systemPartition 128 5 8224 520191 EBD0A0A2B9E5443387C068B6B72699C7 linuxNative 0 6 520224 1032191 EBD0A0A2B9E5443387C068B6B72699C7 linuxNative 0 7 1032224 1257471 9D27538040AD11DBBF97000C2911D1B8 vmkDiagnostic 0 8 1257504 1843199 EBD0A0A2B9E5443387C068B6B72699C7 linuxNative 0 9 1843200 7086079 9D27538040AD11DBBF97000C2911D1B8 vmkDiagnostic 0 [root@ESXi-X10SRH-CF:~] partedUtil get /vmfs/devices/disks/t10.SanDisk00Ultra_Fit000000000000004C530001240406103372 3738 255 63 60062500 1 64 8191 0 128 5 8224 520191 0 0 6 520224 1032191 0 0 7 1032224 1257471 0 0 8 1257504 1843199 0 0 9 1843200 7086079 0 0 [root@ESXi-X10SRH-CF:~] partedUtil getptbl /vmfs/devices/disks/t10.SanDisk00Ultra_Fit000000000000004C530001240406103372 | sed 's/ /\t/g' gpt 3738 255 63 60062500 1 64 8191 C12A7328F81F11D2BA4B00A0C93EC93B systemPartition 128 5 8224 520191 EBD0A0A2B9E5443387C068B6B72699C7 linuxNative 0 6 520224 1032191 EBD0A0A2B9E5443387C068B6B72699C7 linuxNative 0 7 1032224 1257471 9D27538040AD11DBBF97000C2911D1B8 vmkDiagnostic 0 8 1257504 1843199 EBD0A0A2B9E5443387C068B6B72699C7 linuxNative 0 9 1843200 7086079 9D27538040AD11DBBF97000C2911D1B8 vmkDiagnostic 0 [root@ESXi-X10SRH-CF:~] partedUtil get /vmfs/devices/disks/t10.SanDisk00Ultra_Fit000000000000004C530001240406103372 | sed 's/ /\t/g' 3738 255 63 60062500 1 64 8191 0 128 5 8224 520191 0 0 6 520224 1032191 0 0 7 1032224 1257471 0 0 8 1257504 1843199 0 0 9 1843200 7086079 0 0 [root@ESXi-X10SRH-CF:~] partedUtil --help Usage: Get Partitions : get Set Partitions : set ["partNum startSector endSector type attr"]* Delete Partition : delete Resize Partition : resize Get Partitions : getptbl Set Partitions : setptbl ["partNum startSector endSector type/guid attr"]* Fix Partition Table : fix Create New Label (all existing data will be lost): mklabel Show commonly used partition type guids : showGuids Get usable first and last sectors : getUsableSectors Fix GPT Table interactively : fixGpt [root@ESXi-X10SRH-CF:~] partedUtil showGuids Partition Type GUID vmfs AA31E02A400F11DB9590000C2911D1B8 vmkDiagnostic 9D27538040AD11DBBF97000C2911D1B8 vsan 381CFCCC728811E092EE000C2911D0B2 virsto 77719A0CA4A011E3A47E000C29745A24 VMware Reserved 9198EFFC31C011DB8F78000C2911D1B8 Basic Data EBD0A0A2B9E5443387C068B6B72699C7 Linux Swap 0657FD6DA4AB43C484E50933C84B4F4F Linux Lvm E6D6D379F50744C2A23C238F2A3DF928 Linux Raid A19D880F05FC4D3BA006743F0F84911E Efi System C12A7328F81F11D2BA4B00A0C93EC93B Microsoft Reserved E3C9E3160B5C4DB8817DF92DF00215AE Unused Entry 00000000000000000000000000000000 [root@ESXi-X10SRH-CF:~] cat /local/bin/what-is-my-shell.sh if test -n "$ZSH_VERSION"; then PROFILE_SHELL=zsh elif test -n "$BASH_VERSION"; then PROFILE_SHELL=bash elif test -n "$KSH_VERSION"; then PROFILE_SHELL=ksh elif test -n "$FCEDIT"; then PROFILE_SHELL=ksh elif test -n "$PS3"; then PROFILE_SHELL=unknown else PROFILE_SHELL=sh fi echo $PROFILE_SHELL echo $SHELL [root@ESXi-X10SRH-CF:~] /local/bin/what-is-my-shell.sh sh /bin/sh [root@ESXi-X10SRH-CF:~] python --version Python 3.5.3 [root@ESXi-X10SRH-CF:~]
–jeroen
Posted in Development, ESXi4, ESXi5, ESXi5.1, ESXi5.5, ESXi6, ESXi6.5, Power User, Software Development, Virtualization, VMware, VMware ESXi | Leave a Comment »
Posted by jpluimers on 2019/03/13
Interesting read and watch:
At the recent Embedded Linux Conference and OpenIoT Summit, Mozilla Technical Evangelist Dietrich Ayala proposed a simple and affordable solution to home automation: A discarded smartphone can handle some of the most useful home automation tasks without requiring expensive hubs and sensors — or risking data security in the cloud.
Source: [WayBack] Repurposing Old Smartphones for Home Automation | Linux.com | The source for Linux information.
Via Ruurd Pels.
GitHub Repository autonome/context by autonome (Dietrich Ayala)
–jeroen
https://www.youtube.com/watch?list=PLGeM09tlguZRbcUfg4rmRZ1TjpcQQFfyr&v=4RWSXlai6PE
Posted in Development, Hardware Development, IoT Internet of Things, Network-and-equipment, Power User, Software Development | Leave a Comment »
Posted by jpluimers on 2019/03/12
For my link archige: [WayBack] Classic compiler (Win32) strings double-free crash because of error in reference-counting. Tested with XE2 and 10.1 Berlin Test applications: https://g… – Arioch The – Google+
–jeroen
Posted in Delphi, Development, Software Development | 3 Comments »
The Wiert Corner - irregular stream of stuff 