I want to implement my own simple multi tasking shell in Unix which will take care of redirection (<, >, >>) and piping.
I am just unable to get a concrete idea of how exactly I have to start. I have several books...some are..
1. Maurice Bach- Design Of Unix Operating System
2. Richard... (3 Replies)
Hey Guys
I am trying to implement the malloc function for my OS class and I am having a little trouble with it. I would be really grateful if I could get some hints on this problem.
So I am using a doubly-linked list as my data structure and I have to allocate memory for it (duh...). The... (1 Reply)
Hey Guys
Some of my friends have got together and we are trying to write a basic kernel similar to Linux. I am trying to implement the malloc function in C and I am using a doubly linked list as the primary data structure. I need to allocate memory for this link list (duh...) and I don't feel... (2 Replies)
Hi all,I'm reading <Advanced programming in the UNIX environment>,that book asked the reader to implement a function which has same functions with dup2 without calling fcntl.Could anyone give me a tip?Any help will be appreciated.:) (8 Replies)
Hi
I'm trying to implement CAPWAP protocol for my application.i'm able to configure my server side but i'm getting error at client(WTP) side as IOCTL error.while running the command
#./WTP /mnt/cf/capwap/
: wlan2
Starting WTP...
# WTP Loads... (0 Replies)
Hi everybody,
i've been googling for ages now and gotten kinda desperate... The question, however, might be rather trivial for the experts: What is it exactly, i.e. physically, the POSIX function (for a file) "lseek" does? Does it trigger some kind of synchronization on disk? Is it just for the... (4 Replies)
I have this code from a programming book:
#include <stdio.h>
#include <string.h>
char buf; /* input line buffer */
char* field; /* fields */
char* unquote( char* );
/* csvgetline: read and parse line, return field count */
/* sample input:... (3 Replies)
Discussion started by: totoro125
3 Replies
LEARN ABOUT DEBIAN
sentinella
SENTINELLA(1) User Commands SENTINELLA(1)NAME
sentinella - System monitor that can react to user chosen conditions
SYNOPSIS
sentinella [Qt-options] [KDE-options] [options]
DESCRIPTION
Action launcher based on system activity
Generic options:
--help Show help about options
--help-qt
Show Qt specific options
--help-kde
Show KDE specific options
--help-all
Show all options
--author
Show author information
-v, --version
Show version information
--license
Show license information
-- End of options
OPTIONS -s, --start
The condition will be run immediately.
Condition options:
--cpu <percentage>
CPU load measurement. Use in combination with --during, --lower or --higher.
--memory <megabytes>
Memory usage in megabytes. Use in combination with --during, --lower or --higher.
--network <kb>
Network traffic in kilobytes/second. Use in combination with --interface, --during and --lower or --higher.
--date-time <value>
Current date and time condition. The format should be: YYYY-MM-DDTHH:MM:SS
--program-dies <pid>
The condition will be met when the process of id <pid> dies.
-h, --higher
The condition will be met if the system's activity is higher than your chosen value.
-l, --lower
The condition will be met if the system's activity is lower than your chosen value.
-d, --during <time>
The time during the condition must be met to throw the action. Format: MM:SS.
-i, --interface <name>
Sets the name of the network interface to monitor when using the --network parameter.
Action options:
--shutdown <force>
Shutdown the computer when the condition is met. <force> values are 'yes' or 'no'.
--reboot <force>
Reboot the computer when the condition is met. Possible values for <force> are 'yes' or 'no'.
--sleep <mode>
Place computer in sleep mode when the condition is met. Possible values for <mode> are 'Standby', 'Suspend' or 'Hibernate'.
--execute-command
The command will be read from stdin.
--terminate-program <pid> It will try to terminate the program specified by <pid>.
sentinella 0.9.0-3 November 2011 SENTINELLA(1)