Questions tagged [operating-system]
The operating-system tag has no usage guidance.
202
questions
-2
votes
0
answers
19
views
Windows server for installing operating systems [closed]
I want to make a server that i made back in 2017 where u could just install any os trough the windows server while the target computer was plugged in any tutorials on this matter?
- 1
1
vote
1
answer
37
views
old hardware - certified EOL OS vs. uncertified current OS [closed]
If you are a small business and have some old, non-internet-facing servers around, what are the pros and cons for dealing with the OS situation? We have an old server that is used for numerical and ...
- 111
0
votes
0
answers
24
views
How to find the source of operation in netlink
There's a route I'm trying to add that seems to be automatically deleted by something in my OS/kernel itself. I can't seem to get the origin of this or the reason.
When I add the route, the command ...
- 1
0
votes
1
answer
37
views
Run webmin alongside with Plesk for managing server OS?
I'm just bit curious if it is possible to install Webmin on a Plesk system for admin purposes. Yes I know this is like break the holy grail for many sysadmins which love the prompt, but we in our ...
0
votes
1
answer
29
views
how can i increase OS FS on CentOS?
we have CentOS server installed on 83GB FS size while the OS disk size is 480gb
how can we increase the FS to use the whole disk (sda, 480gb)?
[root@server ~]# df -kh
Filesystem Size ...
- 1
-1
votes
1
answer
31
views
Remote action (start, stop and make ISO booting
I’ve been searching for this for the last 2 weeks and still not fully get it)…,8; someone could help me i will appreciate so much.
So, i would like to know the way AKA protocol server hosting company ...
- 1
0
votes
1
answer
1k
views
HP Proliant Servers doesn't boot OS ("boot logical drive is configured but is missing or offline" error)
I purchased a refurbished HP Proliant Server DL560 Gen8 in order to create my own home lab.
The most painful step was to get an Operating System properly working, doesn't matter what was the OS. I ...
- 121
-1
votes
1
answer
42
views
How to get OS and version of every server on network?
This is a case of "we are where we are". I'm a developer and I've been asked to get a list of every server on our network (IP and hostname) along with the OS version
We exclusively use ...
- 359
1
vote
1
answer
115
views
How to create new instance from a snapshot and a new OS version
I have a NodeJS instance on Amazon LightSail. I want to upgrade the underlying Operating System to a newer major version, say Ubuntu 18 LTS to Ubuntu 20 LTS.
When I create a new instance from the ...
- 239
2
votes
0
answers
112
views
Does UEFI info on the hard drive's boot partition gets written to the system's BIOS?
I was transferring a set of existing raid drives into a second-hand server, an HP Gen9 server. I observed 2 interesting details:
When I was configuring UEFI boot Order shown in the picture below,
I ...
- 121
0
votes
0
answers
117
views
What is anonymous huge pages in node exporter?
Prometheus' node exporter has 2 metrics named as node_memory_AnonHugePages_bytes and node_memory_AnonPages_bytes. What do these measure?
For a object detection flask app that ran across a bare metal ...
- 21
0
votes
0
answers
225
views
How to change model details in virtualbox?
I am trying on windows 11 on virtual box.
For product testing purposes, we need it in virtual machines.
But the product will do wmi queries and check whether it is a VM or not.
How to update the ...
- 145
-2
votes
1
answer
236
views
Why an operating system would like to be POSIX compliant? [closed]
What's the big deal around POSIX and how it interferes in the overall usage of an Operating System?
- 205
0
votes
0
answers
297
views
Centos stream 9 local console login input shown as squares
I'm after a fresh centos stream 9 install as minimal install, with only English keyboard and only root user.
After installing, I rebooted and got to the login screen. Trying to type "root" ...
0
votes
1
answer
50
views
Can VMs run on raw HW or do they neeed an OS? [closed]
I have a general question about Virtual Machines.
It is not clear to me if I need an operating system at the lower level and then install the VM and on top of that the rest or I can install a VM ...
- 101
2
votes
3
answers
453
views
Running Debian from SD card slot in dl380 G6. Yes or no? [closed]
I would like to run Debian 10 OS from the SD card slot in dl380 G6. It's a minimal install.
I will run nextcloud on this server for personal use which will be ofcourse on the disks. I was wondering if ...
- 43
0
votes
1
answer
36
views
Forcing server as idle as possible (all OSes, but possibly illumos too)
Sometimes a server will start showing some kind of hardware failures, not disabling its functionalities, but requiring hands-on presence (it could be days to reach, if remote post).
In some such cases,...
- 143
0
votes
1
answer
634
views
Is it possible to install Windows 10 on a ubuntu VPS using SSH?
I have to start an executable on a vps, but the "customer" rented an ubuntu one. I tried to install Wine as many sites and questions on stackoverflow suggested, but this VPS lacks some ...
- 101
0
votes
2
answers
192
views
Is there anyway to prevent malicious virtual machines from crashing host machine?
I would like to know if there is anyway to ensure security of the host machine while hosting potentially malicious virtual machines. The host machine should never crash or be compromised no matter ...
0
votes
2
answers
2k
views
Best free software solution for homemade iSCSI SAN [closed]
I currently have a NAS running ZFS on Ubuntu but have recently changed my main windows software to pool local drives using Stablebit DrivePool. I cannot include networked drives in DrivePool unless ...
- 27
1
vote
1
answer
207
views
What's the difference between Red Hat and CentOS?
I cannot find a clear answer to that question.
All the answers lead to this: Red Hat providers technical support for their distro while CentOS does not.
Also, CentOS lags behind with the updates.
Are ...
- 161
1
vote
1
answer
57
views
Partitioning/RAID approach for a fresh RHEL installation
I just inherited a brand new HPE DL360 Server with 6x600GB and 2x300GB HDD drives in it and 16GB of RAM and i'm planning to install a fresh RHEL distribution. Having not much experience with RAIDS and ...
- 21
2
votes
0
answers
99
views
Unresponsive FreeBSD kldload process locks up whole system
Newly installed FreeBSD 12.1 and 11.4 immediately freezes when loading oce by running kldload if_oce. The whole system becomes locked up at this time. CTRL+c and CTRL+z don't work.
What is the ...
- 91
-2
votes
2
answers
220
views
Windows in crashing with Blue screen of death [closed]
This is a recent problem I am facing with windows 10 in laptop. I first noticed that while installing a game 'League of Legends' client in Garena platform. The installation struck and it first showed ...
- 101
1
vote
0
answers
2k
views
Is it possible to upgrade Oracle Linux 7 to 8 in place?
I noticed in the Oracle Linux 7 documentation, there's a procedure for upgrading the operating system in place for OL6 -> OL7, but I can't seem to find the same instructions for OL7 -> OL8. Is it ...
- 11
0
votes
0
answers
141
views
Is it possible to create HA cluster on MacOS Catalina?
I couldn't find a documentation on configuring HA on Mac OS (Catalina). There's an application called Mac OS Server but the documentation doesn't talk anything about HA rather it looks to be an ...
-1
votes
2
answers
56
views
Server running an OS [closed]
How do I know if my server has a OS. How do I know if it is only a media device to store files on? I want to know if it has an OS or if I need to install an OS onto it to help with my work.
-2
votes
1
answer
162
views
how to copy all chown's and chmod's of files from an remote system to an other system [closed]
i want to copy all files (/var/www/html) from system A (debian) to system B (debian) without loosing all chown and chmod configurations. there are more then 200.000 files in the folder and many of ...
0
votes
3
answers
290
views
How to remove old kernel on Ubuntu operating system
I am wondering how can I do remove old kernel from Ubuntu operating system.
Please refer image screenshot taken. Please advice. Many thanks.
list of linux kernel
0
votes
2
answers
839
views
How to restore an OS disk onto a different, resized Azure VM as its new OS disk?
I am able to create a new virtual machine that's of a larger size than my current one, but I am not able to upgrade or resize an old VM to that larger size even though it's of a pretty similar type. ...
0
votes
1
answer
2k
views
How to activate "Log Off" option in Windows Server 2016?
Recently We are using Windows Server 2016, but there is no option "Log off' like in older version of OS, Only there are "Disconnect", "Shutdown" and "Restart" option.
I would like to activate Logoff ...
0
votes
0
answers
704
views
registry keys are getting imported under HKEY_LOCAL_MACHINE\SOFTWARE\WOW6432Node\WOW6432Node\ on windows server2016
I am trying to import registry keys along with my application installation using powershell. I am using below command to import registry values (which is placed in a file RegFileName)
reg import ".\$...
- 101
1
vote
1
answer
850
views
Container-Optimized OS - Erro Log everyhour
I have one VM with ContainerOS with the specific configuration:
Image: cos-stable-76-12239-60-0
Machine: g1-small (1 vCPUj, 1,7 GB)
CPU: Intel Broadwell
Every hour this VM log these erros message:
...
google-compute-engine
1
vote
1
answer
2k
views
How to update /etc/os-release
I installed debian buster on a server while it was the debian testing release. Now that buster is the current stable release, I've updated /etc/apt/sources.list and run apt-get update, apt-get ...
- 113
0
votes
2
answers
501
views
How to forbid system to look into /usr/local binaries, libraries and includes?
I'm in a hard time trying to compile things with just dependencies within the system original folders. However, there are different versions of libraries and tools installed in /usr/local.
G++ is ...
- 101
2
votes
1
answer
6k
views
RHEL 7 / Centos 7 Copy package with all depedencies from server A (installed package) to server B (offline)
I have two server,then these servers need to install postgresql10 , server A could install postgresql10 using yum install , but server B has a rule that is not allowed to connect the internet.
So I ...
- 23
8
votes
3
answers
5k
views
How to learn Linux system internals [closed]
Recently I tried to apply for some DevOps Engineering positions, but I got scared about a specific requirement that was present in almost every job description:
Experience with Linux internals and ...
- 205
-1
votes
1
answer
1k
views
Poweredge R410 os installing
Im new here and i have no clue about servers.
I recently bought a poweredge R410 with 64gb ram 16 core 2Tb single SAS hd.
I downloaded windows server 2012 from microsoft and i failed to install it.
...
-2
votes
1
answer
614
views
Can I specify operating system with a node definition in Puppet?
I want to do something along the lines of:
Is this possible with Puppet? If not, what's the best way I can distinguish modules by operating system?
- 321
0
votes
1
answer
150
views
Installing operating system from server PC to all the client PC
I am working on the project in which I have decided to install operating system from server PC to all the client PC.
I have one windows iso file on the server PC which is shared on the network.
This ...
- 27
1
vote
1
answer
2k
views
How to convert swap partition from RAID1 to RAID0 using mdadm
How to convert linux SWAP memory from RAID1 to RAID0?
Start with:2 exact size swap formatted partitions (/dev/sdc5 and /dev/sdd5) on 2 physically separate disks that are used via Software RAID(named ...
- 166
3
votes
2
answers
594
views
Multiple instances of the same OS
I am soon teaching a hands-on class for which I need to spin around 20 VMs for each student. It's sort of a lab. I have about 15 students in my class. You can guess how fast this can go out of control....
- 59
-1
votes
1
answer
326
views
HP Proliant DL580 G5 Server Initial Setup [closed]
I am a beginner so please bear that in mind if you choose to answer the question.
I have a HP Proliant Dl580 G5 with the following specs :
4x Six-Core XEON 2.4GHz E7450
128GB RAM
4x 72GB SAS 15K
I ...
- 33
1
vote
1
answer
52
views
how to view memory used by operating system and web server in hyper v [closed]
I have a situation where i need to view memory and disk space used by operating systems (windows2012r2 and centos) and web servers (IIS(windows2012r2) and apache(centos)), both of them made as a ...
- 29
1
vote
2
answers
741
views
AIX SMS Menu + Netapp Multipath cause BOS migration issues
I'm performing an AIX migration from 7.1 to 7.2 using the DVD Iso on a VIOS Virtual Library.
At the point the migration starts, it fails with the following message:
0516-1775 varyonvg: Physical ...
- 127
1
vote
1
answer
57
views
How to trust/verify cloud server provider accessing your box?
it is generally admitted that a computer can be considered unsecure when someone else than the designated operator has physical access to it.
But since hosted servers are remote, in a datacenter, and ...
- 11
0
votes
2
answers
266
views
Backup throughput suddenly went down from 1TB per hour to 350GB per hour
Problem:
Backup throughput suddenly went down from 1TB+ per hour to 350GB per hour in HPUX server for DB2 database. Backup using Commvault backup software to the media agent via 10G network.
...
- 1
2
votes
1
answer
531
views
Is load average affected by lack of memory?
I've read several articles about load average and all explained that the load average is the amount of processes in running/waiting to run state on CPU , so it's actually the CPU's run queue + the ...
- 475
1
vote
0
answers
53
views
added a new network interface, lost connectivity
After adding new subnet ip to new interface, the new ip was being used in previous interface em1 like so: ifcfg-em1:3 ... when I moved the IP to ifcfg-em2 and issued the following command ifdown ...
- 121
0
votes
1
answer
304
views
Computer Restart because of Automatic Updates in WSUS
I have configured SCCM and WSUS for Automatic Windows updates, Although updates are required,sometimes it cause different issues in computer system. As example After update on few months ago my LQ 300 ...