Questions dealing with Ubuntu's layout of files, permissions, and files that reside in special locations on disk.

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0
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1answer
28 views

Is there anything that ext4. btrfs, or F2FS can do for a usb3.0 thumb drive that fat does not do? [on hold]

I don't particularly care about cross platform. I have a thumb drive, and what to know if there is anything to gain from formatting it to ext4, btrfs, or f2fs. Thanks
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0answers
24 views

The best way to create a root filesystem, split between read only and writable

My aim is to create a system where the main parts of the root filesystem are stored on a read-only SD card, with writeable parts located on an SSD set to rw. This is to be done with a view to keeping ...
0
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0answers
15 views

Files writable under /proc, what's the Purpose?

While exploring /proc directory in root, I find some files are writable, as /proc is pseudo file system, so every time system gets boot, this will come in existence and will be deleted(ie No physical ...
0
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0answers
11 views

Base system failed

I'm installing Ubuntu on a Gateway laptop, I got a error: Install base system failed, target file system contains files from a past installation. These files can cause problems with the installation ...
0
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0answers
24 views

Setting default UMASK to “027” and USERGROUPS_ENAB to “yes” in /etc/login.defs

I don't understand the following from: /etc/login.defs # If USERGROUPS_ENAB is set to "yes", that will modify this UMASK default value # for private user groups, i. e. the uid is the same as gid, and ...
3
votes
2answers
272 views

Very large log files, what should I do?

(This question deals with a similar issue, but it talks about a rotated log file.) Today I got a system message regarding very low /var space. As usual I executed the commands in the line of sudo ...
1
vote
0answers
13 views

How to get a larger root partition on Touch

I'm trying to make Touch (14.10) work as an Ubuntu server. However the root partition is only 2 GB and is insufficient for the packages I need to install. Is there any way to get more space on the ...
0
votes
1answer
20 views

usb drive filesystem?

So, school is approaching quickly, and one of the things on my supply list is a usb drive. Now I'm asking myself what filesystem to use. After some research, I found ext4 to be the most stable drive ...
11
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4answers
1k views

What does /dev/null mean in a shell script?

I've started learning bash scripting by using this guide: http://www.tldp.org/LDP/abs/abs-guide.pdf However I got stuck at the first script: cd /var/log cat /dev/null > messages cat /dev/null ...
2
votes
1answer
37 views

How to prevent data from being written into a directory?

Or: How to make a directory write protected, for all users until unlocked again?
0
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0answers
41 views

How to recover Shift+delete files

I just shift-deleted some files from folder which has .avl file extension. Is there any way that I can recover my files?
0
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1answer
31 views

How to access an Androidphone's filesystem

I want to have access to my rooted Android-phone's filesystem using a USB-cabel-connection and either a Terminal or Nutilus. I also want to be able to edit the system files usinf VIM or any other text ...
0
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0answers
16 views

ubuntu svn checkout random failed

Using buildbot to run some test . The svn step random failed , The error messages like : svn: E140001: zlib (uncompress): corrupt data: Decompression of svndiff data failed or svn: Malformed ...
-1
votes
2answers
29 views

Listing an empty folder shows two items . and .. , what are they?

algosig@algosig:~$mkdir test algosig@algosig:~$cd test> algosig@algosig:~/test$ls -all total 8> drwxrwxr-x 2 algosig algosig 4096 august 15 23:09. drwxr-xr-x 41 algosig algosig 4096 august 15 ...
0
votes
0answers
21 views

Ubuntu 14.04 Sublime Text 2: file suddenly empty. How to recover it?

a file that was open by Sublime Text 2 got suddenly empty. Maybe because the disk was full, and the program, that was executing this file, crashed. Is there a way to recover the content? I am using ...
-1
votes
0answers
16 views

how to make a program default for a certain file?

So i am working on this software revkit and its GUI pops up on executing a .py file from terminal i.e. it hasn't exactly got a launch button and also the software doesn't get installed as a proper ...
0
votes
1answer
49 views

13.10 to 14.04: Filesystem mount failed: How get to maintenance shell?

While upgrading from 13.10 to 14.04 we got a power cut: When we restarted the machine we got a system fail; I'm getting the readout below: 'Filesystem check or mount failed. A maintenance shell will ...
0
votes
1answer
24 views

Ubuntu ISO Structure

I am working on an ubuntu iso personalization script based on the buggy uck .. The uck team seemed to know what they were doing, they used the structure of the ubuntu iso image a lot .. The problem ...
0
votes
1answer
26 views

remove directory to Grandpa directory and delete the parent directory

Sometimes , we note that we have unuseful nested containers(directrories) . For example mkdir -p ~/grandpa/pa; And pa directory is the only file existed on grandpa. Hence , all files of pa ...
-1
votes
1answer
28 views

To extend the partition allotted for ubuntu 14.04 LTS

I am currently running windows 8.1 and ubuntu 14.04LTS, initially i allotted only 10GB partition to it,as it is not sufficient how can i extend my ubuntu partition without affecting windows. ...
1
vote
1answer
22 views

Ubuntu 13.04 to 13.10 upgrade has made drive inaccesable

I recently upgraded to 13.10 from 13.04 , and encountered kernel panic on restarting the system. I have some uncommited code on my drive , so I planed to use live usb to take it out but unfortunately ...
0
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3answers
22 views

How to see the directories etc, bin, boot in the file system?

I am new to Ubuntu and I am unable to see the files in /etc, /bin and /boot. I want to know by using which command I can see them? I have tried logging in as root sudo -s and tree command but unable ...
1
vote
1answer
31 views

System runs out of space, space returns after restart

I have no many details except this - After a while my system is using more than 80% of the file system but after the restart it returns to usage of 9%. I have no idea why it happens and therefore I ...
1
vote
1answer
41 views

How to extract archive or change permissions when there are “read-only file system” errors?

I am using Ubuntu 14.04 and having a problem changing the file permission of a .zip file. I can neither extract it nor change file permissions. When I extract it by command unzip ...
3
votes
2answers
97 views

Are any files copied when I move files from a folder into another folder on the same disk?

Or is only the reference changed? It's a general question. Not really Ubuntu-specific. BTW: I've tried sudo fdisk -l, it doesn't seem to give the full picture.
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3answers
21 views

Re-allocate space to /usr

Pardon my newbee-ness, but when I look at my file system with df -h, I see how most of my space is in /dev/sda1. I'd like to add space to /usr, to install hadoop. I am confused about how to ...
0
votes
0answers
10 views

How to move the header files and binaries in FileSystem?

I have downloaded Imlib package in Home folder and perform the make there only. Now, my code where I am using #include "Imlib.h" is not able to find it. So how can I move the header files and binaries ...
0
votes
2answers
32 views

Do all the daemons indicated by configFiles/scripts/links in /etc/{init,init.d} start at the boot?

Are all the daemons (services) indicated by configuration-files/scripts/links in /etc/init/, /etc/init.d/ meant to start at the boot; so can I assume those directories being like start-up directory ...
2
votes
2answers
61 views

why is ext3 being used as disk format for most of linux and ubuntu and not other file systems [closed]

Can anyone explain why is ext4, ext3 or ext2 disk formats that have been used in Ubuntu as default and not others. Are there any advantages or disadvantages over other? If so, what?
1
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0answers
21 views

Reason of removing apt/dpkg/lock & apt/archives/lock

Is it possible to install multiple packages by deleting " Using apt & dpkg in the same time ". dpkg/lock & /archives/lock The Ubuntu Developers made it for reason "that you can not ...
1
vote
2answers
51 views

If linux can support NTFS file system then why cannot it be installed on same?

After learning basics of installation and types of file system, I found that Linux(Ubuntu) can open,create and delete file on an NTFS file system, where as windows can't even see ext series! so my ...
1
vote
1answer
39 views

What is dummy filesystem?

I tried df --help command to generate the man-page for help on df command and I am stucked with a unknown term Dummy filesystem This line in df manpage is where I get to know the term first time -a, ...
0
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0answers
31 views

How do I cat / rm a file called “-v”? [duplicate]

I have a file named -v: $ls -hl (...) drwxrwxr-x 2 segticfnd segticfnd 4096 Set 28 2012 Ubuntu One/ -rw-r--r-- 1 root root 180 Fev 12 11:53 -v drwxr-xr-x 5 segticfnd ...
1
vote
2answers
66 views

Upgrade went horribly wrong: libc.so.6: version 'GLIBC_2.17' not found

File system is mounted readonly, so I boot into recovery mode to run fsck, and I get the following message: mountall: /lib/i386-linux-gnu/libc.so.6: version 'GLIBC_2.17' not found (required by ...
0
votes
1answer
25 views

Use/See whole the flash memory space [closed]

When we bought a N Giga Byte flash memory, the free space that the OS provide for us, is less than N GigaBytes. For example, for a 2 GB flash memory, total space that we can use, is 1.86 GB. As far ...
2
votes
1answer
129 views

Why is btrfs slower than ext4, and why would I want to use it in an ubuntu install? [closed]

At this time (August 2014); having been following the benchmarks for btrfs on Phoronix,(http://www.phoronix.com/scan.php?page=home) and have been seeing on the aggregate; slower performance than ext4; ...
0
votes
3answers
64 views

can ubuntu work with ntfs file system partitions?? i mean could it read and write its contents or not?

i am thinking of switching to ubuntu,,, here are some things that i am concerned about: does ubuntu supports the usage(read/write) of previous data (from windows formatted NTFS drives) or i have to ...
0
votes
1answer
42 views

Make ext3 filesystem with 128 bytes inode size

I need to format external hard disks to EXT3 MBR with the iNode size set to 128 bits. This is for a very specific use, i.e. the delivery of DCP to digital cinema servers. I'd like to be able to do ...
0
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0answers
30 views

After mounting an exFAT drive under linux I am now unable to mount in on my Mac

I used sudo apt-get install exfat-utils exfat-fuse to be able to mount an exFAT drive under linux. This worked perfectly. However, the partition is now not visible on my Mac anymore! Did the ...
1
vote
1answer
41 views

Uninstalling Window and using Ubuntu as the only OS [duplicate]

I do all my task in Ubuntu. How will I be able to remove the Windows8 using ubuntu? I don't want to see Windows8 name displayed in the grub menu. And I want Ubuntu to be started in the first hand ...
0
votes
3answers
709 views

Weird folder names in Linux (Ubuntu)

I have a few questions. Some things are bothering me, and maybe if I can understand why they are a certain way, I can rest my mind a bit. In Windows, about 95% of folder and file names make sense. ...
0
votes
1answer
30 views

Ubuntu installation - the attempt to mount a file system failed

When installing Ubuntu, right after partitioning, I get the following error: the attempt to mount a file system with type ntfs in SCSI1 (0,0,0), partition #4 (sda) at /windows failed. What does ...
0
votes
2answers
74 views

How can I resize an active LVM partition?

I am quite new to LVM and I'm uncertain about what is happening here. I was not the one to initially setup this machine. There is a harddrive of 1tb in size and an LVM partition of only 50gb in size. ...
0
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0answers
42 views

Can't access files in internal HDD

I've been trying to get Plex to recognize my internal hard drive. After searching google, I came across this walk-through to mount the HDD in another directory in /mount/ I was getting a similar ...
0
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0answers
30 views

Do write permissions for my running daemons change if I log out?

I have the following issue. I'm running a daemon (darkcoind) which writes everything it needs to a directory under my $HOME path in ~/.darkcoin. As long as I'm logged in, everything works fine and I ...
0
votes
0answers
35 views

NTFS file system never clean in Disk Utility, while ext4 and fat are, Ubuntu 12.04

I have the LG 47LN5708 TV which supports only the FAT and NTFS file systems. I want to playback a movie file of 4.7 GB using the USB port of the TV, so I can't use the FAT file system, since it 'only' ...
1
vote
1answer
114 views

Delete files on HDD while using LiveCD

I've got a little problem. After installing the latest upadates Ubuntu 13.10 (IIRC) and rebooting, I can access the GUI log-in interface, but after entering my password the monitor remains black with ...
2
votes
0answers
30 views

How can I prune my BTRFS backups?

I have a BTRFS backup system where I take daily snapshots (btrfs subvolume snapshot) and serialize them into incremental change files based off the previous days backup (btrfs send -f backup.date ...
1
vote
1answer
33 views

Are re-combined BTRFS incrementals identical to the original?

I have several systems running btrfs, and I'd like to use the btrfs subvolume send/receive features as a backup solution. I want to send daily incrementals to remote as efficiently as possible. That ...
0
votes
1answer
35 views

SSD Size Dissapearing

I recently have been low on SSD space, I can usually manage with very little space. Today I decided to try to create a Windows VM on VirtualBox. I did a "df -h" to check my disk space left and it ...