Hi, Deleting a particular line/certain bytes from a file is very inefficient as there is a lot of reading and writing(re-writing) to be done. Is there anyway we can minimize work in such a process? Imagine if an entire file is a set of linked lists and as a user we know the structure of these linked lists then wouldn't it be wonderful a...
I've already set up a Git repository on GitHub and committed a few changes from my Windows machine. But tomorrow I'll have to work in this repository from a machine running Ubuntu with limited privilege (i.e. no sudo). Is there a portable version of Git for Linux? Or some source that allows me to compile and install Git only for the cu...
Hi. When I run the command haizea -c simulated.conf > result.txt, the program (haizea) still prints its output to the screen. But when I try haizea -c simulated.conf 1>& result.txt, the output is now on the file result.txt. I'm quite confused about this situation. What is the difference between > and 1>&, then? ...
hi, Could you please give any basic example of a kernel timer (start_ktimer) implementation in Linux? /renjith_g ...
Dear Fellow developers, I have 10 production servers, What will happen when : I still do rsync for file (A,B,C), meanwhile at the same time my friends also do rsync for file (D,E,F) to the same production machine ? What if i and friends do rsync to the same file at the same time ? Thanks in advance for any answers ...
I have 2 VM's, A and B, running Red Hat EL 4.5, on a host machine running Windows XP. A's ip is 192.168.1.100 B's ip is 172.16.1.100 I have setup 2 virtual networks on Microsoft Loopback Adapter 192.168.1.1 with subnet mask 255.255.255.0 172.16.1.1 with subnet mask 255.255.0.0 I am trying to SSH from A to B: user@B ~ # ssh 172.16....
When should we use mutex and when should we use semaphore ? ...
I want to download Linux Redhat OS so , can any one send me link. Kindly help me ...
Hey all, this is quick one, since I'm quite new to git. I have a repo setup on a server (A) where access is via ssh rsa keys. I have a few users there including myself. Now I do git clone on my local machine and get a local copy, make changes, and push origin master, everything works fine. The problem I'm experiencing is that our testin...
I have been told that I need to add a new file type to linux. File types are declared in fs.h Relevant part posted here: * File types * NOTE! These match bits 12..15 of stat.st_mode * (ie "(i_mode >> 12) & 15"). */ #define DT_UNKNOWN 0 #define DT_FIFO 1 #define DT_CHR 2 #define DT_DIR 4 #define DT_BLK ...
My Application is running in Linux. it would be localized. how can I get the OS Language? is it represented in Linux? as a numeric values? ...
On POSIX systems, termination signals usually have the following order (according to many MAN pages and the POSIX Spec): SIGTERM - politely ask a process to terminate. It shall terminate gracefully, cleaning up all resources (files, sockets, child processes, etc.), deleting temporary files and so on. SIGQUIT - more forceful request. It...
Is there is any Command to convert ip address in to binary form? Eg: 10.110.11.116 output: 00001010.01101110.00001011.01110100 ...
I am new to this 32 bit vs 64 bit thing. I have written programme in C++ in linux. I am wondering what determine the programme is 32 bit or 64 bit? This is because I compile the programme from a makefile written by others. How could I check it and how could I modify it to 64 bit? Thanks. ...
I have a PHP server listening on port 5001 and 127.0.0.1 $socket = stream_socket_server("$host:$port", $errno, $errstr) It work fine when a client in php connects to the server, but the same fails if a client written in C tries to connect. I have updated firewall settings, just unable to resolve the issue. Is there a different way t...
I have the following collection of nodes and edges. What I want to do is to find all the distinct graph from it. my %connections=(36=>[31],10=>[3,4],31=>[30,22],30=>[20],22=>[20,8],20=>[1],8=>[5],5=>[2],2=>[1,20], 3=>[7]); In this example it will yield: my %all_graph = { graph1 => {36=>[31],31=>[30,22],30=>[20],22=>[20,8],20=>[1...
I'm trying to use LWJGL to get whether a key is pressed. If the escape key is pressed, then the application quits. However, I can't get it to read any keyboard input, although Display.isCloseRequested() works fine. I'm on RHEL using LWJGL 2.6 and Java 1.6. for(;;) { // check if we want to quit if(Keyboard.isKeyDown(Keyboard...
Hi, Getting a "No output returned from plugin" error message from a Nagios/NRPE script 1) Running Nagios v3.2.3 and NRPE v2.12 2) The script: OK_STATE=0 UNAME=/bin/uname -r echo "OK: Kernel Version=$UNAME" exit $OK_STATE 2) Command line results on the Nagios Server using NRPE Same OK results for both the root and nagios user...
Hi. Is it possible to add a full directory via diff and patch? It seems as very convenient way to add additional modules on top of standard code-base. I googled for some solutions, but they generally work on file level, not on directory level. Thanks. ...
Is there a simple way to write a kind of wrapper script or patch for updatedb (or locate) such that locate can find user defined extended attributes (tags) (suppose in an ext3 filesystem, mounted with user_xattr option), too? ...