All Questions
Tagged with vmware-esxi linux
169
questions
1
vote
0
answers
42
views
Using an Ubuntu Server VM as a router for a private subnet on an ESXi host [closed]
I have some Linux VMs on an ESXi 7 host, which all have addresses 172.16.0.x in the 172.16.0.0/24 subnet. They are all connected to a portgroup called internal_network on my vSwitch and they can all ...
1
vote
1
answer
142
views
wmware p2v convertor failed with "Network is unreachable Network error"
I want to convert Ubuntu physical to Esxi vm
ssh connection to physical OS is OK on my network.
vmware convertor stops converting at 3% with
"Network is unreachable Network error. Host x.x.x.x ...
- 11
2
votes
1
answer
200
views
I need help to achieve (as close as possible) 40G network transfer speed (~1250 MB/s x 4)
I had a Gigabit network, which I upgraded recently to 40Gbps.
To do so, I replace my TPLINK switch with a Cisco Nexus 9396PX switch, which has a module with 12x 40G ports. The 40G network ...
- 21
1
vote
1
answer
43
views
Netapp Storage to HP Nimble cloud
We have a working Netapp Setup with FAS2720 9.7P9 Version connected to Fujitsu ESXi (VMWare 5.5). With multiple VMs running on 3 ESXi Systems but they are residing entirely on Netapp Storage.
We are ...
- 11
0
votes
0
answers
228
views
Facing issue with installing Rocky Linux 8.6 on EXSI 6.0
I installed Rocky Linux 8.6 on Vmware EXSI 6.0 after installation when the system is trying to boot after the grub splash screen I am getting an error of Kernel Panic - not syncing: Fatal exception
...
0
votes
2
answers
386
views
How to access the contents of VMDK file in the ESXi host?
We have a number of computers based on the old HP ProLiant Gen1 blades, and we are going to get rid of that. It is impossible to reinstall the software which is licensed and support requirement are ...
- 11.9k
0
votes
1
answer
435
views
Update open-vm-tools
As per vulnerability CVE-2022-31676 I'm trying to update my Oracle Linux 8.6 systems open-vm-tools to 12.1.0. However, I'm finding that this package isn't still in the repository, so I have been ...
- 105
1
vote
1
answer
24
views
Co-locate VM on a single/set of core(s)
I'm trying to understand certain impacts of virtualisation on performance by running benchmarks on VMs. I'm considering ESXi and Hyper-V as the hypervisors. I wanted to know if I can pin a VM to a ...
- 21
0
votes
0
answers
1k
views
ESXi 7.0 mounting NFSv4 datastore unable to provision OVAs, NFSv3 works fine
We have an Ubuntu 20.04 host using ZFS and the sharenfs option:
root@host:~# zfs get sharenfs pool/enc/esxi
NAME PROPERTY VALUE ...
- 1
0
votes
1
answer
3k
views
Is there any specific command to check all running processes inside a specific VM on ESXi?
I have a list of VMs running on ESXi.
I have used vim-cmd vmsvc/getallvms to get a list of VMs running and also
esxcli vm process list to get the World ID of VMs.
I would like to get inside the Ubuntu ...
- 1
2
votes
1
answer
698
views
Illegal Request error with unmap on vmware
I have enabled unmap feature on vSAN and then I powered off / powered on all VMs to enable unmap as described in the KB below.
https://docs.vmware.com/en/VMware-vSphere/6.7/com.vmware.vsphere....
- 89
0
votes
1
answer
168
views
Checking Hard Disks working on Dell ESXi server using SNMP from Linux
I want to use SNMP, preferably over an SSH tunnel, to check whether the disks in my array are still working. There's 8 hard drives running behind a PERC controller on a Dell 730xd running ESXi v6.
I'm ...
- 113
0
votes
1
answer
2k
views
VMware + how to limit the balloon memory on linux machine
We want to know if we can't limit the balloon memory on a Linux machine by tuning the value of -
Mem.CtlMaxPercent
for example is it possible to set 20% for Mem.CtlMaxPercent instead the default of ...
- 559
2
votes
2
answers
4k
views
Memory Ballooning in Linux/Unix on VMware ESXi
I need help to reclaim the ballooned memory in a Linux/Unix machine. Please help me out. I found some solutions but they are not feasible for me on the production server.
I just need to know how can I ...
1
vote
0
answers
285
views
why kernel crashdump is not able to dump vmcore?
im using ubuntu 16.04 on esxi-6, the proc/cmdline shows crashkernel is loaded at boottime
BOOT_IMAGE=/boot/vmlinuz-4.15.0-54-generic root=UUID=b12d12f2-cfd9-465d-9b10b12d12f2 ro net.ifnames=0 ...
- 608
3
votes
3
answers
3k
views
ESXI: Get machine name from the virtual (within the) machine itself?
I looked and looked but probably overlooked . I have a vsphere cloud with over 300 virtual machines. Each machine name as it appears in the vsphere client is actually the hostname of each machine (I ...
2
votes
2
answers
4k
views
increase the space in var partition on Debian GNU/Linux 10 (buster)
I'm running docker containers on my machine which puts it all in /var/. DF shows that /var/ is 6.9G and no free space. The Linux system is running under VMWare and I've given the server extra 100 GB'...
- 301
0
votes
0
answers
147
views
Strategies to compare between 2 virtual machines
I am writing a set of codes with Ansible/Terraform to deploy the same VM which I am already deploying using Bash scripts that interact with VMWare (vSphere 5.5) API.
I have searched around how I ...
- 205
0
votes
1
answer
3k
views
Create VMFS partition using linux for ESXI
I want to create an VMFS partition on a disk using GPT. I know using esxi cli we can create it easily using partedUtil with command
partedUtil setptbl /dev/disks/t10....
- 103
1
vote
1
answer
644
views
Virtual machine disk I/O latency spikes
Since past few days I have strange I/O spikes in one virtual machine.
Its
2.6.32-504.el6.x86_64 #1 SMP Tue Sep 16 01:56:35 EDT 2014 x86_64 x86_64 x86_64 GNU/Linux
Red Hat Enterprise Linux Server ...
0
votes
2
answers
400
views
Software linux raid using physical passthrough disks
I'm using Vmware ESXI and I followed this guide to pass through 2 physical disks for a raid 1 array. If I set up an mdadm software raid using these two physical passthrough disks will something go ...
- 43
2
votes
1
answer
2k
views
RHel 7 converted with qemu-img fails with dracut error at boot
I'll have to migrate several computers from Hyper-V to VmWare. I would like to use qemu-img because is command line and I could create an script.
Conversion works fine for Windows but is not working ...
- 103
0
votes
0
answers
185
views
High load average with low activity
This is a mail server which is running Apache2 and Postfix as services. It's been up for 135 days and nothing has been changed to the services since then. The usual load average was about 0.xx but it ...
- 1
2
votes
1
answer
1k
views
High CPU usage by apache/httpd for light load, 'perf record' points at vmware/hardware
Running Apache 2.4 on RHEL7 kernel 3.10.0-1062, 4 CPU VMWare instance, doing very basic reverse proxying to WebLogic backend using WebLogic proxy plugin. Server is only pushing around 1 MByte/sec with ...
- 21
0
votes
2
answers
115
views
VMware physical host doesn't boot
I am using VMware ESXi 5.1.0 to manage my VMs.
I have lost root password of the physical host. So, I tried to reset forgotten root password of the physical host. After doing my search I found the ...
- 133
0
votes
0
answers
3k
views
can't execute bash script on busybox
I'm new to vmware and I'm tying to execute a script but can't seem to get it to work. I've changed the file permissions a whole bunch and I end up getting either Permission Denied or if I open it up a ...
- 113
0
votes
1
answer
147
views
Remove Disks to confirm they are unused
BACKGROUND:
One of my linux servers (running on vmware) had gone through a series of disk replacements, and resizing. Unfortunately I was not involved in these changes. I am now looking at the server ...
- 209
0
votes
1
answer
3k
views
Setting a root password in an OVA and making it configurable
I have this VM and it is always created with a default root password say "RootPassword55".
Now, I'd like to configure it so that the user will have to provide a new password on initial login.
I'm ...
- 101
2
votes
1
answer
316
views
windows server 2012 remote connecting issue from ubuntu(rdesktop)
We are using windows server 2012 and we are connecting server by remote desktop service(RDS) from ubuntu client and windows client.
This servers hosted in VMware ESXi
Now we can able to connect server ...
- 21
1
vote
2
answers
332
views
Shrinking overprovisioned thin disks
We have a VCenter with some data storages, one of them is 10 TB. The issue is that the former sysadmins created many VM's with thin provisioned disks of 8 TB. Right now, the provisioned storage is ...
- 316
6
votes
1
answer
13k
views
syslog: kernel: [ 1241.147934] TCP: ens192: Driver has suspect GRO implementation, TCP performance may be compromised
in Debian 9 running into esxi 6.5 from three days ago the syslog shows this message:
kernel: [ 1241.147934] TCP: ens192: Driver has suspect GRO implementation, TCP performance may be compromised.
...
- 171
0
votes
1
answer
2k
views
VMware ESXi VM bridge
I am currently creating a network inside a VMware ESXi host.
The network consists currently of two vSwitches and two port groups. Port Group A is associated with vSwitch0 and Port Group B with ...
- 3
0
votes
1
answer
129
views
Advice on deploying services like NTP, DNS, Radius etc for a small NOC
network engineer here. I recently deployed a small office network and was asked to help out with deployment of some of the services. I have two ESXi servers on my hands and I need to deploy NTP, ...
1
vote
0
answers
724
views
Change NFS from async to sync on linux for VMware client with no downtime
So I just discovered that my client's linux-based NFS storage server (CentOS 6.5) is exporting storage to VMware (vSphere 5) with the async option in exportfs.
Is it possible to change that to sync ...
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4
votes
0
answers
226
views
Does an ESX hypervisor report stolen time correctly to linux guests
I have a bunch of debian 8 guests running on an esxi 6 hypervisor. top seems to always report 0 for its steal time counter. Is the stolen time reporting supposed to work when linux runs on esxi ...
2
votes
2
answers
3k
views
Very slow disk write performance with recent linux kernel in ESXi
I have a Linux guest running in VMWare ESXi 6.5U1 which I've recently upgraded from Debian 8 to Debian 9, and disk write speed is now terrible.
The kernel is now 4.9.0-4-686-pae. When tested using
if=...
- 211
3
votes
1
answer
3k
views
VMware: any way to take snapshot from client os?
I am running ESXI 6 with a Linux VM. VMWare tools are installed on the client os. Is there any way to trigger a snapshot from within the client os? Without accessing the host directly?
- 231
0
votes
1
answer
158
views
How to check in ESXi CLI if DVD is inserted in to DVD-Drive?
I have ESXi 5.5, Dell R430, a DVD rom installed in it. How can I check the most easiest way, if a DVD is inserted into the DVD drive? The reason I want to know this, is that when the system is ...
- 3
0
votes
0
answers
40
views
Hardware Spec for vmWare with 2 VM
I have the opportunity to build a new server for an organization. I plan to up VmWare ESXi 6.5 free on it. I will run 2 VM.
The first VM will be a Windows DC to handle 6 laptops and file storage.
The ...
-3
votes
1
answer
197
views
Virtualize SCO 5v6.0.0 P2V
I try to virtualize old SCO server and i Have a little problem with that.
When i try to startup VM i see somethink like that:
SCO error
Physical server: HP ProLiant DL380 G5 with six harddisk's ( ...
3
votes
2
answers
1k
views
Immediately fix system clock after VMware stun
It's a known issue with VMware that it performs what is called a "stun" during certain operations, such as vmotion, and snapshot create/delete. During this stun, the guest OS is frozen, and so when it ...
- 5,929
1
vote
0
answers
212
views
GRUB "USB lock" for Linux Full Disk Encryption
Hy everyone.
I'm investigating the possibility of using something like USB hardware locking dongles (like these ones used for software locking and licensing) to provide the key that Grub asks for ...
2
votes
1
answer
2k
views
Linux vm in vmware "Error loading operating system"
I have a vm I cloned from a physical server using vmwares p2v converter and after the clone the new vm wont load the os. The error I get is "Error loading operating system"
The cloned machine is a ...
- 183
2
votes
1
answer
2k
views
Replaced storage controller, now can't find ESXi ZFS mount point
We have an older file server (running Gentoo of all things) that recently suffered a storage controller failure. The parts were replaced and everything is back online except one item, probably the ...
6
votes
2
answers
6k
views
Putting Android on ethernet network using VLAN s
In our lab, we have static IPs assigned to everything. We have less than 20 devices, some physical and some virtual on ESXi, ranging from servers to android tablets. Everything is wired ethernet. ...
- 61
6
votes
7
answers
17k
views
How do I determine which virtual disk is which in Linux?
I have a Linux server running on a VMware virtual machine, with 4 virtual hard drives. After the box ran for a month, I added 2 of the 4 hard drives in the vSphere client; I need more space. I did ...
- 921
0
votes
2
answers
270
views
GParted not able to dd Unallocted space to /dev/sda*
There is no way I can extend the current volume with the new allocated space that is available, and the locks can't be opened.
Edit: after de-activating it, it was possible to expand it. And I ...
- 101
2
votes
1
answer
602
views
The mystery of the bad CentOS template - all VMware VMs based on this template crash sometimes
I have a template from CentOS 7 (1602) that I have deployed roughly 200 VMs using it until I noticed the issue, so it would be ideal to fix these VM's rather than start from scratch.
The VM's '...
- 918
1
vote
1
answer
406
views
How to limit the block usage on a Thin Provisioned VMs ( VMware)
This question is similar to
Best practices for thin-provisioning Linux servers (on VMware)
However my question is a touch different.
We have P2Ved quite a few servers (win/linux) and we needed to ...
- 11
3
votes
1
answer
2k
views
scsi_eh_320 process eating +90% cpu on Ubuntu Linux 12.04 64bits
This is a virtual machine running on ESXi. The server is connected to an HP Storage.
The VM starts, then after a couple of minutes (with top running) the process scsi_eh_320 starts and eats +90% of ...
- 327