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Questions tagged [operating-system]

The tag has no usage guidance.

0
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1answer
24 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 ...
0
votes
1answer
26 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 ...
2
votes
2answers
46 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....
-1
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1answer
49 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 ...
0
votes
1answer
40 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 ...
1
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2answers
116 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 ...
1
vote
1answer
37 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 ...
0
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1answer
34 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. ...
0
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0answers
277 views

how to set the Max socket buffer size on kafka machines

we want to increased to high-performance on our kafka machines ( we have hadoop cluster version 22.6.4 ) I searched in google and find that Max socket buffer size that can help us with this I am not ...
1
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0answers
60 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 ...
1
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0answers
31 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 ...
0
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1answer
62 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 ...
1
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2answers
262 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 ...
0
votes
0answers
95 views

sccm - how to deploy a task sequence as required with no interaction?

I'm attempting to deploy an operating system task sequence as 'required' so that I don't have to be present to complete the install. I've tested a deployment as 'required' to the group 'config manager ...
1
vote
1answer
300 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 ...
-1
votes
1answer
312 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 ...
1
vote
1answer
512 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/...
1
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0answers
23 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?
2
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3answers
3k 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 ...
0
votes
1answer
158 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 ...
-2
votes
2answers
578 views

Unsuccessful clean install on a Macbook Pro Late 2011 [closed]

I've already worked on several Macbooks, reinstalling them, formatting, changing drives, etc. and normally it's a relatively simple process. But I just got a 13" late 2011 Macbook Pro which just won'...
2
votes
2answers
739 views

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) ...
0
votes
2answers
80 views

What gives better performance single proc - 16 core or dual proc - 8 core each? [duplicate]

What gives better performance single proc - 16 core or dual proc - 8 core each? We are considering going for a sing proc server due to increase in license cost. Edit: We plan to use VMWare vsan, It ...
-2
votes
1answer
443 views

automated change password on linux servers [closed]

Dear friends and colleges Each half year we need to change the password on our redhat Linux servers , we have 8723 servers!!! In our company Is it possible to automate password changing each half ...
0
votes
1answer
862 views

HP Proliant ML350 G5 Windows Server 2012

We have two types of servers we need to upgrade to Windows Server 2012 64bit HP Proliant DL380 G6 HP Proliant ML350 G5 I think they both have licenses for Windows Server 2008 but they are currently ...
1
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2answers
740 views

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 /...
1
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2answers
2k views

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? ...
1
vote
1answer
47 views

Hibernation mode in Windows

Is it possible to resume the current work session on a computer(Windows) in another computer (Windows) by copying the hiberfil.sys file?
0
votes
1answer
48 views

Can GPUs be dynamically allocated in a 20 GPU server?

The purpose for this server is deep learning algorithms. What I am planning to do is to assemble a server with 20 GPUs (Nvidia GTX 1080 TIs) and 2 CPUs (Intel Xeon Phis) and then have many users draw ...
0
votes
4answers
109 views

How can I deploy a Linux OS on a VM skipping the installation steps?

If I have a virtual machine, how can I install on it an operating system skipping the installation steps? In other words, when I choose an operating system to be installed on the VM, I want to use it ...
0
votes
1answer
128 views

change /etc/group folder location

I'm using docker with ubuntu and I need to mount /etc/group /etc/shadow /etc/gshadow /etc/passwd inside an external volume, in order to avoid the password loosing each time I've to rebuild the ...
1
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2answers
296 views

Debian safe backup of server system drive?

I would like to backup a Debian 9 server system drive, SAFELY, using cron (thus non-GUI solution is wanted) to a remote ISCSI drive through local network. Using EXT4 as system partition format. By "...
2
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2answers
922 views

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 ...
-1
votes
1answer
84 views

Better stream performance when transparent hugepages are on

On rhel 7, when transparent hugepages are activated, I get a better stream benchmark performance than when transparent hugepages are off. Do you have any idea of a kernel parameter (or another thing) ...
-1
votes
2answers
2k views

Install Windows Server 2012 on separate disk or in RAID 5?

I have a RAID controller with 4 1TB disks and first I put them all in a RAID 5 array, partitioned 1TB for OS and 2TB for data. Then I noticed that the raid array was never idle. It was constantly ...
0
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0answers
72 views

Dell t5810 Pxeboot failing on initializing hardware

Working on PXEBooting some Dell T5810's. The operating system is going to be RHEL 6.5. The system can pull the network information and begin loading the image. It starts to say that it is "Detecting ...
0
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3answers
1k views

is it possible to ignore banner on ssh but not from login

As we all know, we can type banner in /etc/motd or in the file /etc/issue.net, so every user that login to the Linux machine will get the banner message, for example: Red Hat Enterprise Linux Server ...
7
votes
2answers
11k views

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-...
-2
votes
2answers
136 views

Migrating from one Linux distribution to another

How should I approach migrating a server from Mint to Ubuntu? I don't know how go about it since I have a lot on my Mint server. EDIT: I also would like to keep my mail server running, if possible, ...
1
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0answers
52 views

Could these issues be caused by Group/Domain policies? (VMS)

i'm at wits end here and was hoping that someone could point me in the correct direction for a f ix So, the situation, my company maintains a visitor management system for a large hospital that ...
3
votes
2answers
12k views

how to configure the grub.cfg file on redhat 7 in order to boot from specific kernel

In Red Hat EL versions 5 and 6 we can easily to update the /etc/grub.conf in case we want to change the kernel by default variable For example , grub.conf on redhat 5 default=0 timeout=5 #...
2
votes
1answer
9k views

Centos7 Fresh install boots into black screen

I installed Centos7 onto a box we have here for testing, I am using a Bootable HDD to install it on the System, I have used the same HDD to install Centos7 on a Dell Powerblade Server & a HP Z640 ...
4
votes
1answer
441 views

SCCM Deploying Win7 Enterprise select language during OSD

I am attempting to implement more automation and less manual click through with our SCCM OSD. Our currently running Tasksequence works nearly perfect for us, but we still have to manually choose the ...
112
votes
8answers
18k views

Best practice: Should I always install a fresh OS for new employees?

I had an argument with a superior about this. Though at first glance the prior user of a laptop only did work in his own documents-folders, should I always install a new OS for the next user or is ...
0
votes
1answer
46 views

Burn large ISO installer on multiple dual-layer DVDs [closed]

Hi I have a really large ISO installer (larger than one dual-layer DVD) and is there a way to burn it onto two DVDs? Thanks.
1
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0answers
83 views

BSOD BugCheck on Multi-core system - What thread caused the crash?

I am aware that a Windows' system will crash with a stop error and "blue screen" for a few common reasons, some of which may be: A device driver or OS function that runs in kernel-mode space ...
-2
votes
1answer
1k views

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.
0
votes
1answer
113 views

Puppet Duplicate declaration: Class

I'm bit new to puppet, but I'm not sure how this would become a duplicate declaration, can someone please give me some direction whether this is a correct usage of class passing params or not? Error: ...
0
votes
1answer
31 views

does an OS interrupt check for permissions

I'm not sure if I'm at the right place to ask this but I'm learning about operating systems and I can't find any info on this. I read that interrupts are created when a call is made in user mode that ...
1
vote
1answer
36 views

Generating and testing variable from a MAC vs PC in Linux Bash script

I am supporting two groups. I have one script, and I would like to keep it at one. I am having trouble with a test function: convtype=./Sample*/ if [[ -n convtype ]]; then where it runs fine for ...