Unanswered Questions
7,620 questions with no upvoted or accepted answers
11
votes
1
answer
6k
views
Full Implications of SMB mount option "noserverino"?
Working with Ubuntu-based systems.
Having run into a samba mount giving a stale file handle, the advice around the net seems to be adding noserverino as an option for the mount.
Reading the ...
10
votes
1
answer
3k
views
Is it possible to do multiseat the systemd way with one graphic card / two heads?
I would like to setup a multi-seat configuration using Ubuntu Xenial 16.04.
After some researches, it seems the way to do now is by systemd through "loginctl" calls. (saw here for example).
Before ...
8
votes
1
answer
389
views
Can Samhain monitor for a file that does not exist, but might in future?
I would like Samhain to monitor a file, say for example, /root/somefile. This file does not currently exist, but I would like to be notified if it gets created at any point.
I add this to samhainrc:
...
8
votes
2
answers
1k
views
what is the IOPS behavior when partitions of single disk are used in an LVM?
I have an ubuntu 14.04.1 LTS server which have LVM(backed by hardware RAID5) with logical volume and a volume group named "dbstore-lv" and "dbstore-vg" which have sdb1 sdb2 sdb3 created from same sdb ...
8
votes
0
answers
5k
views
ZFS cannot import : I/O error
I experienced an error in my ZFS machine. This may have happend after I lost power to my server, but I can not tell for sure. My ZFS Pool Gewuerzglas with RAIDZ-1 is no longer willing to import. I ...
8
votes
0
answers
3k
views
How can I let rsync display both total and partial progress?
I've found that rsync's total progress is (somewhat) shown with --info=progress2, while partial progress (i.e. the current file) is shown with --info=progress (or -P).
Is there a way to show both?
I'...
8
votes
0
answers
6k
views
how to tune NFS client on MacOS to get Linux like performance?
I have a NFS server running Linux and exporting a couple of shares. Both Linux and MacOS clients connect to the server, and while with the Linux clients I get ~ 75MB/s write speed, the MacOS clients ...
7
votes
0
answers
2k
views
Applying systemd control group resource limits automatically to specific user applications in a gnome-shell session
Having seen that GNOME now launches apps under systemd scopes I've been looking at a way to get systemd to apply some cgroup resource and memory limits to my browser.
I want to apply a MemoryMax and ...
7
votes
2
answers
1k
views
What repository is a yum group sourced from?
Is there an easy way to determine where a specific yum group is sourced?
I can query what groups are available using yum grouplist.
I can query group information using yum group info $yum_group_name
...
7
votes
0
answers
2k
views
TCP congestion collapse
I am experiencing suboptimal performance on an EC2 instance connecting to an RDS instance. This particular instance was built before VPC's existed, so all the traffic is flowing through a single ...
7
votes
5
answers
6k
views
Creating a fallback error page for nginx when root directory does not exist
I have set up an any-domain config on my nginx server - to reduce the amount of work needed when I open a new site/domain. This config allows me to simply create a folder in /usr/share/nginx/sites/ ...
7
votes
1
answer
899
views
Intermittent munin-cron error “There is nothing to do here, since there are no nodes with any plugins”
We've installed munin monitoring on one of our servers. Generally it seems to be working well but occasionally, 4 times in 2 months to be exact, munin-cron has generated the following error:
[FATAL]...
6
votes
0
answers
1k
views
AWS: Can't mount my restored volume (EBS snapshot)
I restored an EBS volume from AWS Backup and attached it to a new EC2 instance. When I lsblk I can see it under the name /dev/nvme1n1.
More specifically the output of lsblk is:
NAME MAJ:MIN RM ...
6
votes
0
answers
18k
views
Mount filesystem with "structure needs cleaning" on ext4
There is a created years ago(and many time resized from that times) filesystem with ext4. After power failure it stop to mount.
When i try to mount it manually i receive an error:
# mount /dev/space/...
6
votes
0
answers
2k
views
Caching, forwarding Bind 9.9.4 server works for weeks, suddenly SERVFAIL on all queries (rebooting fixes it)
I have bind 9.9.5 running on two servers (CentOS 6 and 7), for caching and forwarding DNS queries for a mail server. The servers run fine for weeks, then suddenly respond to all queries with SERVFAIL. ...