Tagged Questions
5
votes
0answers
42 views
Stacked filesystems with write-back
I need to setup a system where a laptop and a desktop computers coexist.
The idea is, I bring the laptop into the network and the laptop syncs the /home directory( with some exceptions) with the ...
2
votes
1answer
61 views
Linux Ubuntu - inode limitation on a 500GB hard disk ? Can you explain please?
I am launching a social networking website on LAMP Stack on Linux Ubuntu, I know that people are going to upload lots of pictures. Let's say I have 5000 users and each user upload a minimum of 100 ...
4
votes
2answers
52 views
Job to keep a count of XML files
My friend works in a IT company where he is required to keep a count of XML files inside a directory (including subdirectories).
However the count using ls -LR | grep .xml or similar takes a lot of ...
2
votes
2answers
68 views
Size of data that can be written to / read from sockets
I was wondering if there is an easy way to find the maximum size that is supported by Linux sockets? (Is this configurable? If so where?)
For example, most of the socket examples found on the web ...
2
votes
3answers
41 views
Regarding separate a single file into multiple files according to line separation
Currently, I have a plain text file, A, such as
lowest priority
very high significance.
outstanding
very novel
In this file, every line contains a sentence. I want to separate this file into ...
5
votes
5answers
277 views
Efficiently delete large directory containing thousands of files
We have an issue with a folder becoming unwieldy with hundreds of thousands of tiny files.
There are so many files that performing rm -rf returns an error and instead what we need to do is something ...
4
votes
1answer
47 views
Drop a specific file from the Linux filesystem cache?
I know I can drop everything from the Linux filesystem cache, but is there a way to drop just one specific file? Or prevent a file from being cached? Or tell a process not to cache any files it ...
1
vote
3answers
82 views
How can I change 'change' date of file?
How can I change 'change' date?
$ touch -t 9901010000 test;stat test
File: `test'
Size: 0 Blocks: 0 IO Block: 4096 regular empty file
Device: fe01h/65025d Inode: 11279017 ...
1
vote
2answers
90 views
Editing a file without overwrite permission
Is it possible to set permissions for file to keep it editable but without permission to overwrite?
I mean possibility to edit the file with text editor, but denying any attempt to replace the file ...
2
votes
1answer
71 views
Replace variable read from a text file (so they can be interpreted)
I tried several stuff with not luck so maybe one of you experts can help me (I hope!).
I want to store in a text file some select statement that contain variables like a date:
$ cat res.txt
select ...
0
votes
2answers
72 views
How to write a file at various offsets to a filesystem partition with dd command
Requirement
I want to write a file at various offsets into the partition
Partition /dev/part2 is mounted at /mypart
I tried the command below:
dd if=/dev/urandom of=/mypart/aaa bs=1024 seek=0 ...
2
votes
4answers
217 views
What is the max partition supported in linux?
May i know the max partition size supported by an Linux system. And how much logical and primary Partition as we can create in an disk installed by linux system?
0
votes
2answers
121 views
How to calculate in linux number of file inside nested directories?
I need to extract information how much files are in some directory tree:
/.../testRoot/test1/test11/..../file1
/.../testRoot/test1/test11/file2
/.../testRoot/test1/test11/..../file3
...
3
votes
2answers
126 views
How to find out which file is currently written by a process
My situation is that from time to time a specific process (in this case, it's Thunderbird) doesn't react to user input for a minute or so. I found out using iotop that during this time, it writes ...
2
votes
3answers
95 views
Is there a way to tell the system to keep a folder to reside in memory?
I'm developing a Java EE web application and I'm trying to speed up the testing process. To do so I was wondering if there is a way to tell the system to keep my build folder in system memory?
