Questions tagged [operating-system]
The operating-system tag has no usage guidance.
202
questions
3
votes
4
answers
6k
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 ...
- 112
1
vote
1
answer
1k
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 ...
- 11
2
votes
1
answer
15k
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 ...
- 131
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/...
- 31
1
vote
0
answers
38
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?
- 2,715
6
votes
3
answers
16k
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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 ...
- 197
0
votes
1
answer
1k
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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 ...
- 101
-2
votes
2
answers
1k
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'...
- 107
7
votes
3
answers
4k
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)
...
- 3,477
0
votes
2
answers
1k
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 ...
- 215
-2
votes
1
answer
2k
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 ...
- 69
0
votes
1
answer
2k
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 ...
- 35
2
votes
2
answers
5k
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 /...
- 1,611
1
vote
3
answers
8k
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?
...
- 1,435
1
vote
1
answer
62
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?
- 11
0
votes
1
answer
79
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 ...
- 111
2
votes
4
answers
378
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 ...
- 21
0
votes
1
answer
623
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 ...
- 113
2
votes
2
answers
870
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 "...
- 354
3
votes
2
answers
2k
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 ...
- 357
-1
votes
1
answer
186
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) ...
user380763
-1
votes
2
answers
4k
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 ...
- 141
0
votes
3
answers
6k
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 ...
- 43
74
votes
5
answers
161k
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-...
- 851
-2
votes
2
answers
473
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, ...
- 13
1
vote
0
answers
57
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 ...
- 19
3
votes
2
answers
17k
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
#...
- 1,081
4
votes
1
answer
25k
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 ...
- 301
4
votes
1
answer
518
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 ...
- 143
113
votes
8
answers
19k
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 ...
- 1,143
0
votes
1
answer
67
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
vote
0
answers
146
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 ...
- 151
-1
votes
1
answer
5k
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.
- 111
0
votes
1
answer
505
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: ...
- 101
0
votes
1
answer
45
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 ...
- 115
2
votes
1
answer
43
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 ...
- 21
12
votes
2
answers
106k
views
Mount Point Does Not Exist, Despite Creating It
I'm trying to install Arch on a Virtualbox VM. I'm following along this guide, and this video. Not sure if relevant, but the VDI file is on an external hard drive.
I've created 3 partitions as per ...
- 913
0
votes
1
answer
588
views
Forgot to run Sysprep before migrating a VM to a new Azure account
I've been tasked with migrating our VMs from our old Azure Account to our new one.
I knew nothing about anything when I started the process a few days ago. I decided the best thing to do was take it ...
- 135
0
votes
1
answer
145
views
Migration of Win OS between two blade servers
Hi we have a Physical or blade server where we have installed win server 2008. It's configuration has 256Gb RAM. I wanted to know can we migrate the existing server along with OS to another server ...
- 3
0
votes
0
answers
17
views
Raid 1 and Raid 5 with Debian 8 Install [duplicate]
Ive been advised that i should install Debian 8 using the following raid configuration:
Raid 1 (2 discs) - for OS
Raid 5 (4 discs) for data.
This way, i can have 2 disc failures and still have a ...
-3
votes
1
answer
3k
views
Change existing file type from standard file "-" to directory "d" as shown with Unix ls -l
In summary, if I use ls -l it yields something for a directory like...
drwxr-xr-x
and the reported error for a directory with files in it, is it shows as a standard file and ls -l yields...
-rwxr-...
0
votes
1
answer
966
views
Best Practice for OS Patching for Ubuntu on AWS. [closed]
I was wondering if someone can help me by sharing knowledge on Ubuntu OS patching over AWS. I tried to find it on Ubuntu documentation but my bad,I didn't get any relevant post there. Wondering if ...
1
vote
2
answers
5k
views
Is iperf valid to measure network performance?
We are investigating performance issues in one of our software deployment between our application servers (Windows) and our Redis instances (Linux).
On a 10 Gbits/s link single TCP connections can ...
- 519
1
vote
1
answer
308
views
Kickstart not working
I'm trying to create a kickstart to automate the installation procedure but when the installation ends and I check to see the result nothing happened. I'm trying to debug it by putting read statements ...
1
vote
2
answers
3k
views
Prevent users from changing the system time on windows
I don't want users to be able to change the system time. For this, I have set the Group Policy "Change the system time" to include only my Administrator account. I want to know the validity of this ...
- 21
0
votes
1
answer
6k
views
HP ProLiant ML310e Gen8 install Windows Server 2008 R2
I purchased recent an HP ProLiant ML310e Gen8 and a Windows Server 2008 designed for HP Servers and when I want to install the OS (Windows Server 2008) on My Server I receive following error:
A ...
-1
votes
1
answer
6k
views
OS Fingerprinting, TTL=56? [closed]
I am just learning about OS fingerprinting, when i ping a certain ip address, it gives me a ttl value of 56.
What is an operating system with a value of 56? I only know about the popular operating ...
- 425
1
vote
1
answer
13k
views
Cisco IOS - terminate a process (kill a process)
How do I terminate a process similarly to kill -9 $PID?
I would like to do the same as GNU/Linux offers: For example, a shell is running a Telnet session to a router, but later that router is powered ...
- 137
-4
votes
1
answer
52
views
Preventing operating systems from being installed on a server [closed]
Is it possible to blacklist certain operating systems from being installed on a server?
Example scenarios:
1) There is an existing physical server, with no operating system. Is there a way to block ...
-4
votes
1
answer
367
views
server standard 2008 r2 unable to boot(blue screen error) after configuring raid 1 [closed]
server standard 2008 r2 unable to boot(blue screen error- STOP: 0x0000007B (0xFFFFF880009A98E8, 0xFFFFFFFFC0000034, 0x0000000000000000, 0x0000000000000000) after configuring raid 1 & Board Intel - ...
