Unanswered Questions
26,225 questions with no upvoted or accepted answers
7
votes
0
answers
526
views
How and when are ext4 metadata checksums checked?
I have an ext4 filesystem with metadata checksums (option metadata_csum) enabled. Are the checksums used to verify that data is correct when doing a e2fsck? Is some special flag required? Are they ...
- 183
7
votes
0
answers
14k
views
LVM and Superblock failure; how to recover?
How do you repair the superblock of an LVM volume? Alternatively, how do you recover the data on an unmountable lvm logical volume?
I recently added a second hard disk, extended my volume group and ...
- 24
7
votes
1
answer
8k
views
Create a differential backup with rsync of a directory on my local drive to another directory on the same drive
How can I use rsync (but neither rsnapshot nor rdiff-backup nor any other application) to create a differential backup of a directory located on my local drive to another directory located on that ...
CommunityBot
- 1
7
votes
3
answers
54k
views
Kali Linux - Debootstrap error Failed to determine codename for the release
Installing the new Kali Linux 2016 rolling release to the HDD via USB.
I made a bootable USB using Universal USB. Booted off the USB and selected "Graphical Install", I had an issue at the beginning ...
CommunityBot
- 1
7
votes
0
answers
3k
views
Rsync backups on btrfs very slow
My environment is Ubuntu 15.04 with kernel 3.19.0-28-generic and Btrfs v3.17.
I have two identical external USB hard disks that I use with my backup script. One of them is formatted with btrfs and ...
- 215
7
votes
1
answer
2k
views
Using directory as initrd in QEMU
Is there a way to use a directory as initrd when booting QEMU?
I know how to use the -kernel and -initrd flags for QEMU to boot a kernel and initrd without needing to first create a bootable device ...
- 221
7
votes
1
answer
405
views
locked Ubuntu screen - apps do not detect locked status
I use Ubuntu 12.10 (happens also in 14.04) but I did not really like Unity GUI because of performance issues and total inability to easily customize launcher. So I switched to Xubuntu, which is much ...
- 1
7
votes
1
answer
2k
views
Linux compatibility layer for Mac OS X
I have a closed-source piece of Linux software written in a combination of Java and C. The application installs on my Mac (it uses InstallAnywhere), however, it isn't intended to run on a Mac.
The ...
7
votes
1
answer
25k
views
How to trace LDAP authentication failures?
I have a working LDAP server which I've confirmed can be used with LDAP clients, running on ec2 via jumpbox.
I've run authconfig to setup ldap based authentication, to point to the server:
authconfig ...
CommunityBot
- 1
7
votes
1
answer
6k
views
Murrine engine on GTK3?
I'm trying to use a GTK theme which requires the Murrine engine, so I installed gtk2-engines-murrine from apt-get. It works fine in most apps, but some such as nm-applet segfault as soon as I try to ...
CommunityBot
- 1
7
votes
1
answer
1k
views
FreeBSD compatibility layer on Linux
I am aware of Linux mode on FreeBSD, where Linux binaries can seamlessly be executed in FreeBSD.
From the FreeBSD handbook:
In effect, there is a Linux kernel in the FreeBSD kernel. The various
...
CommunityBot
- 1
7
votes
3
answers
35k
views
How to install extensions on Chromium without the web store?
I tried to install the Reddit Enhancement Suit, when Chromium complained that I can only install extensions easily from Web Store. It downloaded the .crx file. How can I apply it? The linked help page ...
CommunityBot
- 1
7
votes
1
answer
3k
views
How to disable CD-ROM/DVD-ROM polling during boot in Linux?
I have a Dell XPS L501X laptop dual-booting Linux Mint 12 "Lisa" (x64) and Windows 7. It has a TSSTcorp DVD+-RW TS-L633J DVD drive, which generates a lot of vibrations and noise whenever data is being ...
CommunityBot
- 1
7
votes
1
answer
1k
views
Dropbox causes xorg to use 100% CPU
For some time, I noticed that my xorg process uses up between 60 and 100% of the CPU (according to top). I also noticed that interactive work becomes sluggish, even on my multi-core i7 processor.
...
- 1
7
votes
3
answers
8k
views
Is there actually a way to make video calls through XMPP/Jingle WITHOUT Google Talk?
Good day people,
I'm writing because I've spent the whole day trying to make video calls through XMPP but I haven't really found out if it's actually possible. There are many clients which ...
CommunityBot
- 1