Questions tagged [dev]

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Debian/Ubuntu, inconsistency between S-ATA ports numbering and /dev/sdX lettering [closed]

The hardware situation is as such : a motherboard (MSI X99A SLI Plus), two (2) Samsung 860 Pro SSDs connected on SATA-1 and SATA-2 of the motherboard. five (5) identical HDDs connected on SATA-3, ...
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1answer
35 views

Server space issue : how to merge drives

my server is having space issue below is what is see when using df -h, my space of /dev/m2 is getting fulled say 99% frequently and it causes issue with my sessions and all , i want merge /dev/m3 with ...
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21 views

how to manage Multiple User Acceptance Tests at once

Our current setup has the following environments: development testing staging production We are finding that things are being held back at the testing phase due to UAT taking longer than expected ...
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0answers
85 views

Accidentally moved /bin, /boot, /dev and /etc folders

So as I was installing a new website, I incorrectly entered: mv wordpress /* . The space between "wordress" and "/*" was unitentional. Folders affected were: /bin /boot /dev /etc I Ctrl + C'd quit ...
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2answers
2k views

centos-7 missing /dev/net/tap

Going ls -l /dev/net shows the tun device (device 10,200) but there is no tap entry. Any ideas on how to get it working? find /dev -name \*tap\* finds nothing CentOS Linux release 7.1.1503 (Core) ...
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0answers
1k views

nginx rewrite or internal redirection cycle while internally redirecting to /index.html

I know this question has been posted many times, but even with the help of those answers, I can't seem to figure this out. I'm a freelance web developer and just started maintaining and administering ...
2
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1answer
119 views

OpenBSD disk devices prefixes

Under OpenBSD, /dev/rsd0a means: raw access to the first, or root, slice (a) of the first (0) SCSI (sd) disk r says that the device is accessed in raw, character mode instead of the standard block ...
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2answers
1k views

Mount /dev/shm in FreeBSD jail

I would like to mount /dev/shm in a freebsd jail. Every time I attempt to, I get these errors: [root@gaming /]# mount -t tmpfs tmpfs /dev/shm mount: /dev/shm: No such file or directory [root@gaming /]...
4
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1answer
271 views

Why is my HDD partition a character special device?

I have a bunch of old 1T disks with an mdadm array on them. They had been out of commission for awhile, but yesterday I slotted them into a server running an up to date Debian Jessie. Eventually I ...
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1answer
5k views

How to connect a /dev USB modem in an LXC container?

I've been struggling with various tutorials to hook up my /dev/ttyACM0 in a lxc container. Basically I've tried adding the following line in my lxc config : lxc.cgroup.devices.allow = c 166:* rwm ...
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3answers
5k views

Did a cat /dev/urandom - Broken terminal

Out of curiosity, when your shell character set breaks from doing something like cat /dev/urandom is there a way to fix that in place?
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2answers
3k views

how to enlarge disk space on /dev/xvde1 for AWS ec2 instance?

I created an EC2 instance with type of m1.small and later found it's lack of space. I then stop the instance and change the type to m1.xlarge. However, I have no luck on getting more space. df -a ...
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0answers
1k views

I/O error on non-existent device?

Getting the following in /var/log/messages: Sep 17 10:38:53 server1 kernel: end_request: I/O error, dev sde, sector 0 Sep 17 10:38:53 server1 kernel: end_request: I/O error, dev sde, sector 63 Sep 17 ...
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1answer
411 views

Is /dev in linux virtual?

Today at work a client had rm -rf /dev and ended up deleting two files in /dev/shm that forced his site to no longer work. From what I learned previously /dev is not virtual, but a fellow technician ...
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1answer
7k views

SLES Devel Packages?

It seems SLES 11.2 (and OpenSUSE) are missing many devel (dev) packages common in other distros such as Ubuntu Server or CentOS. I understand that packages / deps may be wrapped up in other-named ...
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2answers
583 views

How can I configure sendmail (or another mail server) to accept outbound mail, but to not send it out?

Is it possible to configure sendmail to accept all outbound email but to not send it out? Either it can just log them to be read later, or better yet, if it can be configured to send ALL outbound mail ...
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1answer
127 views

EC2 performance problem

just spent two days this week troubleshooting dev issue in EC2 logged by offshore team. have run apache/tomcat Version 7.0.21 in muliple Dev instances in EC2 for weeks with no problem. then major ...
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1answer
3k views

How can I expand the /dev/root partition?

How can I expand /dev/root? I can't seem to do this using an LVExtend command. Thanks, James
3
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1answer
6k views

lsscsi finds sas device but none is listed in /dev

I have a server with 2 internal disks with Adaptec hardware RAID and an external disk box connected via SAS. lsscsi finds all the devices: # lsscsi [0:0:0:0] disk Adaptec System V1....