Questions tagged [operating-system]
The operating-system tag has no usage guidance.
202
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Unidentified RAM
Greetings! A server which is equipped with 512GB RAM(16 slots * 32GB) which OS is Ubuntu 22.04. During boot up, server reserving 16259356K(15GB) RAM showed in dmesg that resulted only 498GB is ...
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2
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Instruct Hetzner installimage to use SSD as primary OS drive
Purchased a dedicated Hetzner server with 2x small SSDs and 2x large HDDs paired with hardware RAID. Running installimage from Rescue OS shows this as config:
# Adaptec RAID (LD 0): no name
DRIVE1 /...
CommunityBot
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Linux network OS boot from grub bootloader ISO
I have an idea to boot the system with network files for automated installation of OS
I have created an ISO with gub-mkrescure with just a grub inside it, so when it boots the grub menu will appear ...
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Systemd sequencial stop of template unit instances
I have a template unit that that I have to created in order to start/stop some services running an a given port. something like [email protected], [email protected].
[Unit]
After=network.target
...
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1
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42
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SFC Couldn't Perform Requested Operation -- Options?
I had a user come to me with her company issued Dell laptop. After the "Dell" splash screen is done, Windows does not boot. It's just a blank, black screen. After rebooting several times via ...
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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 ...
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1
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851
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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?
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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 ...
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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 ...
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1
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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 ...
- 102k
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5k
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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 ...
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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 ...
- 736
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1
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2k
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How to do Virtual IP Setup in Mac OS X?
I have two Apache Load Balancer setup on two different systems, for example 127.0.0.1 and 127.0.0.2 IP addresses.
Now I want to configure Virtual IP in another system (127.0.0.3) and all the requests ...
CommunityBot
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393
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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 ...
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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 ...
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5
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Which OS is running in my Docker container?
Most of the time, using one of these two, I can tell which OS is running in my Docker container (alpine, centOS, etc)
But this time, I can't tell:
bash-4.2$ uname -a
Linux 6fe5c6d1451c 2.6.32-...
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4
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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 ...
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1
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How can we get IO utilization for Process by Process ID using /proc directory? [closed]
I need to IO utilization for Process by Process ID without using any tool like iostat,iotop etc.
Can any please help me to get IO utilization using info files using /proc/PID?
Thanks in ADV.
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337
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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.
...
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407
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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?
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2
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Is there any windows equivalent of Original Linux Magic-SysRQ Key?
Is there any way to debug/gather some diagnostic information in case a windows machine hangs/freezes to get some clue about what caused the hang/freeze., just like linux has
Magic_SysRq key
Is there ...
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/etc/*release files examples
Where can I find a list of different /etc/*release files of various Linux/Unix/MacOS distributions and versions?
Same goes to uname -a command outputs.
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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" ...
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1
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65
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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 ...
- 111k
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3
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620
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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 ...
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3
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Why am I unable to find the pid of a nano process that has a file being edited by root?
I am trying to edit a file using nano and whenever I open the file for editing it gives me the following message:
File /path/to/file is being edited (by root with nano 2.5.3. PID 12345); continue?
...
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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 ".\$...
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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,...
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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
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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 ...
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Is it possible to "roughly" approximate the amount of time chkdsk will take on Windows Server 2003?
I know there are a number of variables at play with this question... so I'm just looking for an approximation. Is it possible to calculate the amount of time a 'chkdsk' will take for a Windows Server ...
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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 ...
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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 ...
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3k
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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 ...
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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 ...
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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 ...
- 102k
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2
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How to defeat NMAP's TCP/IP fingerprinting method for OS-detection
I want to evade nmap's TCP/IP fingerprinting, which it uses to detect the OS on a machine. I read A practical approach for defeating Nmap OS-Fingerprinting which explains how this can be done. It also ...
CommunityBot
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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 ...
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2
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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 ...
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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 ...
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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 ...
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2
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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.
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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 ...
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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. ...
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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 ...
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Supermicro X8DT3/X8DTi hardisk not found after installing OS
I try to install Linux CentOS in server Supermicro X8DT3/X8DTi. Installation proccessed succesfully, but after server rebooting, server cannot boot into OS. When I check BIOS, no hardisk found on boot ...
CommunityBot
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How do I unmount one of two devices mounted to the same mount point?
I accidentally left two different devices mounted on /opt:
/dev/xvdf on /opt type ext4 (rw,relatime,seclabel,data=ordered)
/dev/md0 on /opt type ext4 (rw,relatime,seclabel,stripe=256,data=ordered)
...
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GRUB does not load OS, displays grub> prompt
I have booted my server, getting some GRUB error and I pasted the error below.
Error Code:-
GNU GRUB version 0.97(502k Lower/496556K upper memory)
[Minimal BASH-like line editing is supported.
For ...
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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
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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 ...
- 33.3k