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Questions tagged [device]

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Invoke-RestMethod : The remote server returned an error: (400) Bad Request for PATCH request

I am working on stale device cleanup script to perform cleanup of stale devices from Azure AD tenant. I am also using graphAPI to retrieve device information Via GET request which works fine. But when ...
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-3 votes
2 answers
81 views

How do I protect a PDF document with a password that varies from one opening device to another? [closed]

I'm a creative writer and I sell my works online. Normally, I would save a finished product into a PDF file, which I would protect by setting a password for it. However, I found that some bad actors ...
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1 answer
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Remotely click Power button for equipments after blackout

I am wondering on what improvements to make to our server room, as to we won't be in the office for quite a while because of COVID. I want something like an auto clicker (physical device) that I can ...
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91 views

Windows Server 2003 not trusting any device driver (including native ones)

Background: Several legacy Windows Server 2003 systems need to be migrated from VMware to Azure. Yes, we know they have a legacy OS. Yet we have to keep them running. And this is (at least partly) ...
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2 votes
0 answers
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duplicate block device and UUID

Today I ran fsck on two partitions of our Ubuntu 16.04 server. Fsck has fixed various problems and afterwards I rebooted the server. After rebooting there were duplicate block device assignments with ...
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1 answer
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Some device constantly detaches and attaches on windows 7

I have a problem - on the Workstation, every 2-10 minutes you can hear a tone "device detached", and the UI freeses for a few seconds (1-2 seconds no mouse move, etc). It is a workstation with lots of ...
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16 votes
2 answers
9k views

Why is there both character device and block device for nvme?

I am trying to understand the configuration of nvme. But I do not understand why there are two devices: nvme block and nvme character device: crw------- 1 root root 243, 0 Dec 12 16:09 /dev/nvme0 ...
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1 vote
0 answers
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Mounted device showing in df and /etc/mtab but missing from /proc/mounts and /proc/self/mounts. Why?

I have an ec2 instance that is booted from an ebs snapshot. The boot device is /dev/sda1. When I call mount, df -h or cat /etc/fstab I can see the device: $ mount /dev/sda1 on / type ext3 (rw) $ df -...
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  • 295
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1 answer
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symbol SSL_SESSION_set1_id_context, version libssl.so.10 not defined in file libssl.so.10 with link time reference

I am using python3.4 and everything works well as expected until i install Spirent STC (even Avalanche). These are the traffic generators and have their own PYTHONPATH to update. I just kept my ...
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-1 votes
1 answer
695 views

How to mount devtmpfs with mode=777?

I'm trying to use gentoo based thin client to access fusion access huawei cloud, with the following issues: CloudClient when redirecting devices to VDI virtual PC, trying to write directly into ...
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1 vote
2 answers
4k views

Nginx failed space when upload

I've a problem with my nginx server. He is a storage server, and when i want to upload a file (2,5G) i can show any error on my error.log 2016/02/08 03:26:24 [crit] 7843#0: *1154 pwrite() "/var/lib/...
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2 votes
2 answers
373 views

Unrecovered read errors on Linux RAID10 device

I have an HP DL380p Gen8 running Ubuntu 14.04 and apparently it's been having some trouble with its RAID10 filesystem for almost a month, despite everything seeming to be okay otherwise. I'm seeing a ...
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0 votes
2 answers
236 views

2 Lans, 1 router, need to ping eachother ip [closed]

I have 2 LANs: LAN 1 192.168.2.1/24 LAN 2 192.168.3.1/24 I have a device on tLAN 2 with IP-address 192.168.3.61. My laptop is on LAN 1 with 192.168.2.100. My final goal is to ping the device like ...
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2 votes
0 answers
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How to turn off asking about scanner calibration in Windows 7?

I have over 12 Brother DSMobile 600 scanners and Panasonic toughbook's CF-19 with Windows 7. I'm using each toughbook with scanners from this pool. I'm always switch toughbooks and scanners. ...
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1 vote
0 answers
541 views

Proper Steps To Upgrade My Server 2008 R2 Machine From HHD To SSD

I'm working on upgrading a server's hard drive from a standard HHD to an SSD drive. I have cloned the drive with a program called "EaseUS Todo Backup Free 8.6" (which I think does a bunch of extra ...
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1 vote
1 answer
34 views

Detect which application mounted a device

On my system, from time to time there is an automatic mount/unmount of a plugged device. I guess it's done by some software on the machine. is there any way to monitor PnP mount/unmount events on the ...
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When do NFS mount major/minor device ids change?

I have a NFS folder mounted in /mnt/data: # mountpoint -d /mnt/data/ 0:25 When should I expect the major and minor device IDs to change? Reboot? Remount? Random? I know they did change at least ...
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3 votes
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/dev/ttyS0 in lxc container

How to set up lxc to get /dev/ttyS0 in lxc container. I add # /dev/ttyS0 lxc.cgroup.devices.allow = c 4:64 rwm into config but nothing works - If I add manually mknod in running container ...
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Unknown device showing up in network scan

I need some help finding a device that has been showing up whenever I scan my network using Spiceworks' "Inventory" scan. I can ping the device, but nslookup returns a non-existent domain, and ...
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3 votes
1 answer
4k views

When using nmcli, what is considered a device, an interface and a connection? What's the difference? [closed]

What are dependencies and relations between device, interface and connection in nmcli cmdline utility under linux? The below questions are asked in context of nmcli and networking in linux: Which ...
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5 votes
1 answer
4k views

No space left on device in spite partition is not 100% [duplicate]

I am trying to do the following on my Linux machine CentOS release 5.8 cd /var/APPstoreldap/Home touch test touch: cannot touch `test': No space left on device so I verified the partition disk ...
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3 votes
1 answer
10k views

watchdog service is not working because /dev/watchdog does not exist

There is a ITE8783 watchdog chip placed within my machine (OS Ubuntu 14.04.1). The kernel module it87 supports is. This module was not automatically loaded on startup. So I added it87 to /etc/modules. ...
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1 vote
0 answers
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How to retrieve a list of disk devices from Windows Server 2012R2

In Windows Server 2012R2 Event Viewer shows error ID 15: Log Name: System Source: disk Date: 9/29/2014 3:16:49 PM Event ID: 15 Task Category: None Level: Error ...
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1 answer
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ISCSI device and partitions used in ISCSI client

The command list all devices including ISCSI. cat /proc/partitions Is it possible to know which device is currently used by a given target? Thanks
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1 vote
1 answer
1k views

windows 2012: search additional folder for device drivers

I am building servers that have loads of devices that windows can't find drivers for. I have the USB with all the drivers plugged in. I have to click each device and update it one by one manually. I ...
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1 answer
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How can I see which devices are used by a process?

iotop and iostat are great tools to see how much I/O is happening. But I haven't found out how these (or other) tools can show me the I/O rate per device and per process. So I'm looking for a way to ...
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1 vote
0 answers
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mdadm confused on minor number

Recently replaced a faulty disk in my Raid 6 group. All went as expected, no problem. After getting everything rebuilt using a new /dev/sdi1 as a replacement for the failing /dev/sde1 I decided to ...
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1 answer
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Openvpn, 2 connections. Bind specific config to device

I use 2 connections and iproute2 with mark to route packages. But my problem is that sometimes, one connection is faster then the other and this messes up my routingtable. Is there some way, in the ...
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2 votes
1 answer
945 views

Remove DVD drive from device manager - command line

Is there a way through command line to uninstall the entry under DVD/CD-ROM drives in device manager? Somehow someone applied a GPO on our top level domain and it's affected a number of things, I've ...
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3 votes
3 answers
7k views

No space left on device

I have a vServer and I can't upload/copy files. It says "no space left on device" but I have like 130 GB on my hdd. This is what it shows on: df -h / df -h / Filesystem Size Used Avail ...
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1 vote
1 answer
3k views

Change USB device owner

I have a USB printer that when I connect to the computer it's owned by the user root and the group lp, and it's file permission is rw-rw----, so I have to print via apache/php script. To solve this ...
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7 votes
4 answers
276 views

Prevent end-users from purchasing apps on iOS

We are looking to deploy iPads from inside our organization. We want to be able to install apps for users, which can be done via Mobile Device Management. However, we do not want users to be able to ...
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3 votes
4 answers
889 views

an unknown ip on network

In our office we have many PCs, all of them have static IP addresses. We had a problem with one server with ip 192.168.1.10 dropping off the network occasionally. I unplugged the network cable from ...
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5 votes
2 answers
13k views

Refresh /dev/sdx list

I've been messing around with my storage array (in that case 2xMD3000 SAS) and between the scans/rescans/delete/add my /dev/sdx block devices are all messed up. Some of them are non existent and using ...
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3 votes
1 answer
8k views

Creating Persistent Drive Labels With UDEV Using /dev/disk/by-path

I have a new BackBlaze Pod (BackBlaze Pod 2.0). It has 45 3TB drives and they when I first set it up they were labeled /dev/sda through /dev/sdz and /dev/sdaa through /dev/sdas. I used mdadm to ...
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2 votes
1 answer
762 views

Determine which device(s) cause(s) high CPU via interupts in Process Explorer

I have a Windows 2003 server that occasionally hangs. When it hangs, I can still use it through the console, but externally, it is completely unresponsive. It won't even respond to pings. However, ...
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1 vote
2 answers
4k views

why i cannot start new ssh connections to remote server?

this question is not the same as others, who asked for that they cannot connect to server, the issue i have is that i cannot start more new ssh connections... now i am connected to remote server ...
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3 votes
1 answer
989 views

Tripwire reporting a changed /dev/char

This was in a recent Tripwire report of a Debian Linux (virtual) server: ### Attr Observed (what it is) Expected (what it should be) ### =========== ============================= =====...
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15 votes
3 answers
6k views

Look up manufacturer based on Mac Address?

I want to incorporate into a piece of software the ability to look up a manufacturer based on a mac address. By googling "mac address lookup" and similar, I have noticed several websites that make ...
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1 vote
1 answer
2k views

Multiple ethernet interfaces same IP address space

Am I allowed to have multiple ethernet interfaces on a WinXP/Win7 host, that share the same IP-subnet? Scenario: There are multiple USB adapters, that are using RNDIS (usb-ethernet-gadget) and ...
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  • 113
11 votes
3 answers
36k views

Find information for local IP address?

We have had a BT engineer visit recently, trying to solve a problem with our IP phone system. One point they made was that we had four DHCP servers running on the network. I have disabled two of them ...
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  • 2,617
3 votes
2 answers
6k views

iostat: See current usage rather than average

I need to log disk statistics (MB/read, MB/write) of block devices. As I understand, iostat shows an average value. This is not exactly what I want when I'm about to monitor a server. Is there a way ...
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  • 2,807
1 vote
0 answers
1k views

linux /dev/sd? read failed

I couldn't find the answer to this anywhere, so I'm posting this in the hope it helps someone else... My scenario was linux system with an external drive that was connected (and mounted) was suddenly ...
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0 votes
1 answer
356 views

Aliasing/mapping a network device in Ubuntu

In Ubuntu, I have two ethernet interfaces eth1 and eth3 that I want to call "foo0" and "foo1", respectively. Basically, I want something like "ip link alias DEVICE SECONDNAME". Is there a way to do ...
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1 vote
1 answer
752 views

How harddisk works [closed]

Looking at how hard disk works. Found that it has a number of platters and a read/write head. But in texts it shows read/write head between each platter. Is it like that in real situation? Also when ...
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  • 221
2 votes
2 answers
3k views

Create a general character devices pair

I'd like to create a character device which has the same properties as a standard pseudo-terminal, but that can be named in a specific name. Basically I'd like to have /dev/pts/my-unique-name instead ...
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  • 1,254
1 vote
2 answers
5k views

Truecrypt fails to unmount

With a recent package and kernel update truecrypt refuses to unmount drives with device-mapper: remove ioctl failed: Device or resource busy Command failed (worked fine before) Ubuntu 10.10 I ...
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  • 239
0 votes
3 answers
372 views

What creates /dev/stderr in FC14?

I'm wondering what creates /dev/stderr on FC14. rpm -qf doesn't show any package ownership. I've dug through the init scripts and can't find it anywhere. To provide some context, I'm creating a ...
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2 votes
2 answers
8k views

What is the difference between /dev/dsk and /dev/rdsk?

It appears that ZFS interacts with /dev/dsk. I have had success duplicating drive contents one slice at a time using a command similar to cat /dev/rdsk/c1t3d0s0 > /dev/rdsk/c1t4d0s0.
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  • 2,163
1 vote
2 answers
5k views

how to find usb storage devices on esxi server?

We are looking at temporarily mounting an external hard disk on USB to an ESX1 v4 server from VMware. In /var/log/messages, we see the messages of the device being connected, but we cannot figure out ...
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