9 More Discussions You Might Find Interesting
1. Shell Programming and Scripting
I have a requirement wherein i need to purge some directories.
I have more than 2000 directories where i need to keep data for 10 days and delete the rest. What i am looking for is an efficient way to achieve this.
There are four mount points from where i need to delete the files.
... (3 Replies)
Discussion started by: Apoorvbarwa
2. Shell Programming and Scripting
I have a script that has to get variables remotely. Rather than having the script login to the remote server 3 separate times, is there a faster way to get each variable?
##Server comes from input or list##
CHKINSTALL=`ssh server "swlist | grep -i program" | grep -v... (2 Replies)
Discussion started by: LinuxRacr
3. UNIX for Dummies Questions & Answers
Often when I use echo statements in scripts I echo a line of #'s above and below. For example:
echo hello world
However, I generally have a series of about 75 #'s. For example:
echo #(x 75)
echo hello world
echo #(X 75)
While this helps to delineate... (7 Replies)
Discussion started by: msb65
4. Shell Programming and Scripting
I have a set of options in the form of key value in a file. Need to find a particular value of 'a' and delete all lines till the next 'a' keyword .
g hhh (5 Replies)
Discussion started by: TDUser
5. Shell Programming and Scripting
I am new to the boards and to shell programming and have a requirement to name new files received with a unique sequence number. I need to look at a particular file pattern that exists and then to increment a sequence by 1 and write the new file.
Example of file names and sequence #
... (4 Replies)
Discussion started by: sandiego_coder
6. UNIX Desktop Questions & Answers
hi friens, :)
if i need to find files with extension .c++,.C++,.cpp,.Cpp,.CPp,.cPP,.CpP,.cpP,.c,.C
wat is the pattern for finding them
:confused: (2 Replies)
Discussion started by: arunsubbhian
7. Shell Programming and Scripting
Were currently using xapply to run multiple ssh instances that then calls
a script that returns the PID of a webserver process.
Currently we have like 30 xapply statements in a script call checkit which
checks various webserver processes on various unix/linux boxes.
My question... (0 Replies)
Discussion started by: bdsffl
8. Filesystems, Disks and Memory
I have a lot of processes all of which need to write quite
a lot of data to the filesystem ( to a single file).
This is managed today in the following way : all the processes
write the data to a shared memory block, which is manged by a process that empties it to a file, thus allowing more... (1 Reply)
Discussion started by: Seeker
9. IP Networking
Do anyone telle me please how to use PING command to verify connection (TCP/IP) between serveurs.
thanks (1 Reply)
Discussion started by: hoang
mman.h(3HEAD) Headers mman.h(3HEAD)
mman.h, mman - memory management declarations
The <sys/mman.h> header supports the following options:
o the Memory Mapped Files option
o the Shared Memory Objects option
o the Process Memory Locking option
o the Memory Protection option
o the Synchronized Input and Output option
For Memory Mapped Files and Shared Memory Objects options, the following protection options are defined:
PROT_READ Page can be read.
PROT_WRITE Page can be written.
PROT_EXEC Page can be executed.
PROT_NONE Page cannot be accessed.
The following flag options are defined:
MAP_SHARED Share changes.
MAP_PRIVATE Changes are private.
MAP_FIXED Interpret addr exactly.
The flags immediately following are defined for msync(). See msync(3C).
MS_ASYNC Perform asynchronous writes.
MS_SYNC Perform synchronous writes.
MS_INVALIDATE Invalidate mappings.
The symbolic constants immediately following are defined for the mlockall() function. See mlockall(3C).
MCL_CURRENT Lock currently mapped pages.
MCL_FUTURE Lock pages that become mapped.
The symbolic constant MAP_FAILED is defined to indicate a failure from the mmap() function. See mmap(2).
The mode_t, off_t, and size_t types are be defined as described in <sys/types.h>. See types(3HEAD).
See attributes(5) for descriptions of the following attributes:
| ATTRIBUTE TYPE | ATTRIBUTE VALUE |
|Interface Stability |Standard |
mmap(2), mprotect(2), munmap(2), madvise(3C), mlock(3C), mlockall(3C), msync(3C), shm_open(3RT), shm_unlink(3RT), attributes(5), stan-
SunOS 5.10 10 Sep 2004 mman.h(3HEAD)