Reference
https://help.ubuntu.com/lts/serverguide/httpd.html
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if [ -d temp ]; then
echo "There is temp directory"
else
echo "There is no temp directory"
fi
if [ -f .bash_profile ]; then
echo "You have a .bash_profile. Things are fine."
else
echo "Yikes! You have no .bash_profile!"
fiExpression | Description |
-d file | True if file is a directory. |
-e file | True if file exists. |
-f file | True if file exists and is a regular file. |
-L file | True if file is a symbolic link. |
-r file | True if file is a file readable by you. |
-w file | True if file is a file writable by you. |
-x file | True if file is a file executable by you. |
file1 -nt file2 | True if file1 is newer than (according to modification time) file2 |
file1 -ot file2 | True if file1 is older than file2 |
-z string | True if string is empty. |
-n string | True if string is not empty. |
string1 = string2 | True if string1 equals string2. |
string1 != string2 | True if string1 does not equal string2. |
You can use mksquashfs
sudo mksquashfs ./rootfs $OUTPUT_FILE_NAME -root-owned -e .svn
http://manpages.ubuntu.com/manpages/precise/man1/mksquashfs.1.html
You can use unsquashfs
sudo unsquashfs -d /media/location1 /media/location2/file.squashfs