Last call to make your voice heard! Our 2022 Developer Survey closes in less than a week. Take survey.

Questions tagged [operating-system]

The tag has no usage guidance.

Filter by
Sorted by
Tagged with
0 votes
0 answers
13 views

System information (and dmidecode) is showing my hardware information as "default string". Can I change it?

I am on Fedora Workstation 35, my graphical systems information window is showing some of the data as "Default String". The same is happening in the terminal with the dmidecode tool: Is ...
user avatar
  • 101
0 votes
0 answers
11 views

How to uninstall two applications at a time in Windows System?

I need to uninstall 2 Programs/Applications from the Application Wizard (Control Panel). enter image description here When I try to uninstall the non related application to the current uninstalling ...
user avatar
-2 votes
1 answer
37 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?
user avatar
0 votes
0 answers
77 views

Open the Windows c drive from Kali Linux

recently i am passing by a problem and i need help from you. I have a dell computer with two operating system (Kali Linux and windows 10),i made my windows in a hibernate mode and it shoot down due to ...
user avatar
0 votes
0 answers
48 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" ...
user avatar
0 votes
0 answers
165 views

System Volume Information in too huge in Windows Server 2016

I am new in system administration. One of my Windows Server 2016 disk has issue on space which is system volume information consume huge spaces and keep growing uncontrollably. Current size is 1.6TB ...
user avatar
  • 1
0 votes
1 answer
44 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 ...
user avatar
  • 101
0 votes
0 answers
30 views

What is alternative in Centos for Debains staff group?

There is the staff group in the /etc/groups in Debian. According to the https://wiki.debian.org/SystemGroups the purpose of this group is: Allows users to add local modifications to the system (/usr/...
user avatar
2 votes
3 answers
182 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 ...
user avatar
0 votes
1 answer
33 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,...
user avatar
  • 123
0 votes
1 answer
331 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 ...
user avatar
  • 101
0 votes
2 answers
95 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 ...
user avatar
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 ...
user avatar
  • 27
1 vote
1 answer
163 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 ...
user avatar
  • 161
1 vote
1 answer
52 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 ...
user avatar
  • 21
2 votes
0 answers
78 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 ...
user avatar
  • 71
-2 votes
2 answers
167 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 ...
user avatar
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 ...
user avatar
0 votes
0 answers
106 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 ...
user avatar
-1 votes
2 answers
49 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.
user avatar
-2 votes
1 answer
88 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 ...
user avatar
0 votes
3 answers
253 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
user avatar
0 votes
2 answers
656 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. ...
user avatar
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 ...
user avatar
0 votes
0 answers
530 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 ".\$...
user avatar
1 vote
1 answer
651 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: ...
user avatar
1 vote
1 answer
1k 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 ...
user avatar
0 votes
2 answers
108 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 ...
user avatar
  • 101
2 votes
1 answer
4k 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 ...
user avatar
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 ...
user avatar
-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. ...
user avatar
-2 votes
1 answer
326 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?
user avatar
0 votes
1 answer
56 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 ...
user avatar
  • 27
1 vote
1 answer
1k 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 ...
user avatar
  • 166
3 votes
2 answers
459 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....
user avatar
  • 49
-1 votes
1 answer
262 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 ...
user avatar
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 ...
user avatar
1 vote
2 answers
632 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 ...
user avatar
1 vote
1 answer
47 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 ...
user avatar
0 votes
1 answer
202 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. ...
user avatar
  • 1
2 votes
1 answer
341 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 ...
user avatar
  • 455
1 vote
0 answers
39 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 ...
user avatar
  • 121
0 votes
1 answer
276 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 ...
user avatar
2 votes
2 answers
4k views

Can I run a newer Windows Server on older hardware?

Can I run a newer Windows Server OS on an old server equipment that is not supported? I want to know because I have a Dell PowerEdge 2900 and I have a full copy of Windows Server 2016 Standard. I want ...
user avatar
  • 102
1 vote
1 answer
936 views

Can't disable PXE on HP DL180 G6 and thus not install an OS

I bought a 4 bay version of the HP Proliant DL180 G6 with 2x Intel Xeon L5640 and 16GB of RAM. It also has 2 x 2TB SAS Drives in Raid 1 installed. Additionally I added a SSD which should later have ...
user avatar
1 vote
1 answer
10k views

How do I generate a bootable .iso file from a directory?

Currently, I have selected a distribution of Linux that I like a lot and I have downloaded the .iso image which I can simply dd to an USB or CD media, etc... I would like to add some additional data ...
user avatar
  • 121
1 vote
1 answer
1k views

rsync command works on Linux, not Mac OS X

I recently migrated from Linux to Mac for my primary machine. I use rsync to update several static websites. Here's the command: rsync -avzu —exclude=.git /Users/[me]/src/[site] [user]@[host]:/home/...
user avatar
1 vote
0 answers
37 views

Can Linux be configured to disallow a program from using mlock()?

Can Linux be configured to disallow a program from mlocking memory and/or put a cap on how much it is allowed to mlock?
user avatar
6 votes
3 answers
13k views

Up-to-date distros supporting 32-bit i586/non-PAE, specifically for ALIX boards (AMD Geode) [closed]

I have several ALIX systems (powered by the AMD Geode LX processor without PAE support) that are still running on Ubuntu 12.04, the last Ubuntu-Release to supports non-PAE kernels (i.e. compiled for ...
user avatar
0 votes
1 answer
977 views

Reporting units for user and system CPU usage for individual process via collectd

I've been using the collectd:Process Plugin to monitor the per process metrics on a Linux server I'm running. It is just that there are no information about the units for which process use the CPU ...
user avatar
  • 101