All Questions
991
questions
23
votes
1
answer
18k
views
How to overwrite a symbolic link of a directory?
There are two directories foo1 and foo2.
At first I make a directory symlink by ln -s foo1 bar.
After that I want to change the symlink, so I typed ln -sf foo2 bar
But bar is still linked with foo1.
...
- 2,339
22
votes
7
answers
80k
views
No /mnt/hgfs in Ubuntu guest under VMWare Fusion
I just installed Ubuntu 13.04 inside of VMware Fusion Pro 5. I have the virtual machine configured for read-only sharing of my home directory, but there's no /mnt/hgfs directory and there's no /etc/...
- 4,477
20
votes
6
answers
110k
views
tcpdump – rotate capture files using -G, -W and -C
I'm looking to be able to capture a rotating tcpdump output which captures 30 minutes worth of data, into 48 files, cyclically.
The man page implies this should be possible, but my testing doesn't ...
- 558
20
votes
1
answer
38k
views
Preserve ctime with SCP
How can I copy a file using SCP while preserving ctime (modification time)?
I have a folder on my Mac (OS 10.8), and the results of ls -l and ls -lc are the same.
$ ls -l
total 0
drwxr-xr-x 9 ...
- 1,265
20
votes
2
answers
37k
views
Rsync installed but still getting an error command not found
I am trying to sync a local folder to a remote server using a non standard port and my rsync command is as follows:
rsync -avz ~/Research/Folder1/folder2 -e "ssh -p 3345" [email protected]:/home/...
- 305
20
votes
3
answers
10k
views
How to configure dual boot NixOS with Mac OS X on an (U)EFI MacBook?
I could not find any description of configuring dual boot of NixOS and Mac OS X on an (U)EFI MacBook. I am willing to experiment, but i would like to know at least that what i will try is supposed to ...
- 1,211
19
votes
2
answers
14k
views
dd performance on Mac OS X vs. Linux
I was trying to copy an iso of the windows installer onto a hard drive to avoid burning a disk. I first tried Disk Utility's restore function, however it didn't like the ISO for some reason. Then I ...
- 713
19
votes
5
answers
16k
views
How to list files recursively and sort them by modification time?
How do I list all files under a directory recursively and sort the output by modification time?
I normally use ls -lhtc but it doesn't find all files recursively. I am using Linux and Mac.
ls -l on ...
- 9,049
19
votes
2
answers
25k
views
Highlighting text in the default Windows CHM viewer
How do I set up the default CHM reader in Windows to highlight text? Is this even possible?
When I read ebooks I need to highlight some of the text and it's just not there in the default CHM program....
- 353
18
votes
3
answers
10k
views
How to list directories names but not their contents, in *N*X?
If I do a simple ls specifying a filename pattern, like ls A*, for directories that match the pattern, it will enter the directory and give the full listing, but how could I get just the listing for ./...
- 3,883
17
votes
2
answers
24k
views
Clearing Spotify cache to recover disk space?
When you play a song in Spotify, some hard drive space is used to cache the file, so that it plays faster the next time it is selected.
Is it possible to clear the cache (without the use of third ...
- 4,487
17
votes
4
answers
5k
views
Why aren't all Mac applications easily portable to Linux?
Since the Apple OS-X operating system is a UNIX derivative (BSD), and the underlying (Intel) Mac architecture is the same, why isn't it very straightforward to get Apple-specific applications running ...
- 535
17
votes
3
answers
22k
views
How to force ls terminal command to show results in Bytes while I have set the default to ls -h in bash profile?
I am following the snippet here to improve my terminal command in Mac OSX.
It sets the default value of ls results to human-readable by exporting alias ls='ls -GFh' to bash profile file. This is very ...
- 481
17
votes
4
answers
15k
views
How to truncate large file on osx?
I have a 500mb file. I want to keep only the first 5 mb. How can I truncate it on osx where the 'truncate' command isn't available (and can't be installed by homebrew)?
- 171
16
votes
4
answers
84k
views
How do I recursively remove subdirectories and files, but not the first parent directory?
I'm able to use the following to remove the target directory and recursively all of its subdirectories and contents.
find '/target/directory/' -type d -name '*' -print0 | xargs -0 rm -rf
However, I ...
- 4,091