Linux is a free (libre), open source, Unix-like operating system.
-4
votes
0answers
9 views
Script that will run a backup every 6 hours. My current script isn't working. Any advice? [on hold]
I'm attempting to create a script that will run a backup every 6 hours. My current script isn't working. Any advice?
# vi /backup.sh
#!/bin/bash
TIME=...
-4
votes
0answers
19 views
C HyperText Library, A Library for writing Web Applications in C [on hold]
http://hackersden.ml/chl
https://github.com/it4e/CHL
CHL, short for C Hypertext Library, is a library written in C to be used to write web applications. If you have ever used a language designed for ...
4
votes
1answer
28 views
Bash script for xrandr modification
Simply, I call the script (brightness.sh) and pass a three character value as an argument. I've got commands to strip individual numbers for math processes, and then the final commands to apply the ...
3
votes
1answer
40 views
Template for PHP service (/etc/init.d) script
I wanted a template for a service script that is versatile and easily configurable.
Along with producing similar outputs to the SSH and Samba daemons, I request the code to be as clean, simple and ...
4
votes
1answer
33 views
Simple shell script to backup to Amazon over iSCSI
The script works but I know that it can be improved. Please note that my scripting skills are very basic :) (as it can be seen in my Frankenstein script – I took bits and pieces of the code from ...
4
votes
1answer
48 views
Bash script to determine a distro, update, upgrade and install the apps I use
This is my first bash script. I am trying to learn scripting and needed an idea. This is the first idea I came up with. When I used to distro hop I had to reinstall everything. This helped me out once ...
4
votes
1answer
48 views
Watch log dir for new file, automatically tail to slack
We have a process that outputs to log files in the format /var/log/xxx/YYYY_MM_DD.log - the file name is chosen programmatically and is not rotated using logrotate ...
0
votes
0answers
45 views
Resolving the path to a Bash script
I wrote a function to resolve the full path to the current Bash script, and I'm wondering if it's SOLID:
...
4
votes
1answer
25 views
Bash script to open or close gnome-terminal with a single keybinding
I wanted to bind a single hot key to open and close gnome-terminal in a way similar to terminal emulators such as tilda or guake. I use Ubuntu, and have configured this script to be executed when I ...
3
votes
2answers
41 views
Nagios plugin webdav check 2
Original post: nagios plugin webdav check
According to the good advice I have received I've made some modifications to the code:
...
3
votes
2answers
57 views
nagios plugin webdav check
I have written a small plugin for nagios to check a WebDAV server. It is supposed to connect using a username and password and upload & delete a test file
This is my code:
...
2
votes
2answers
53 views
Linux C Port Knock Implementation
Compile with: gcc -std=gnu11 -o "portknock" "portknock.c" -lpcap
I did this as a learning experience, and it actually ended up being something useful. I made a ...
5
votes
0answers
79 views
Automated owncloud installation script
Here is a shell script which installs and configure owncloud on a Debian server. It also installs apache2 and MySQL as dependencies and fail2ban with a specific rule for owncloud. Apache2 is also ...
4
votes
1answer
130 views
Parsing a string to extract values
I am writing some C# that will be running on Linux and will extract values from a kernel generated system file that represents readings from a sensor.
The file contains two lines of text, and I have ...
3
votes
2answers
83 views
Basic shell implementation
Here is a small project to implement a basic shell. It is a personal ongoing project to keep system call usage fresh. It currently does background processes and some basic signal handling.
I am ...
5
votes
2answers
263 views
Cleanup and server restart script
I have written a simple script for managing our Tomcat and Apache instances for deployment. What this script basically does is, when called, it copies the ROOT.war ...
3
votes
2answers
59 views
Dockerfile to install Apache
I'm getting started with Docker, and I've set up a very simple image built from a Dockerfile. It's based FROM the ubuntu image, ...
5
votes
1answer
74 views
Constructing a simple shell from scratch
I'm actually doing my whole shell in C from scratch from a Linux computer.
The thing is that I think we all do our best from creating the simplest things that can be explained easily. And I'm not sure ...
5
votes
1answer
43 views
Function to get specified key from /proc/cpuinfo
On Linux, the file /proc/cpuinfo returns a set of key-value pairs, where the key and value are separated by a colon and each pair has its own line. It's a bit more ...
1
vote
1answer
33 views
Sh script to reduce version number in opkg status file
I have written a script to reduce/lower the version number stored in opkg status file using small shell script, This will enable us to force the opkg to install same version of a Debian package again.
...
6
votes
1answer
49 views
subset of UNIX Standard tar implementation
Hi every one I recently implemented subset of ustar archiving utility as my first year programming one project and I would like to get it reviewed and if any one have anything to point out ..
dir.c
...
6
votes
2answers
45 views
Implementation of the ls command with several options - follow-up 2
I've made more improvements from previous iterations and my own, including:
Added the -n flag (print owner and group IDs instead of names)
Eliminated some ...
6
votes
2answers
47 views
An installer for shell scripts, written in pure sh
I wrote a tiny shell script that basically installs a script into your system by copying it to someplace like /usr/local/bin, chmodding it, and adding it to your ...
11
votes
2answers
75 views
Implementation of the ls command with several options - follow-up
I've made vast improvements to my previous ls implementation, including:
Added new flags:
-g (omit owner listing)
...
3
votes
1answer
57 views
Async safe threadpool
I'm trying the write a threadpool that can safely be added inside a signal handler or in code forked by multithreaded code. Are there any corner cases that would cause this code to fail? What could be ...
9
votes
1answer
51 views
Automating a WordPress install
I do not have a whole lot to do over winter break, so I wrote this little script to automate a Wordpress install (currently can only install once instance) on a fresh Debian server (tested, working ...
6
votes
1answer
81 views
Notification script | from RSS to Email | Bash
This is a script that must send an email at each new article published on a specific website. Any suggestions or improvements to do?
...
15
votes
3answers
169 views
Implementation of the ls command with several options
As part of a past assignment, I've expanded on this implementation of ls to have more options available, including non-standard ones.
It currently supports these ...
7
votes
5answers
753 views
XOR encryption program in C
I've written a program that encrypts files (or stdin) with a user-specified key from 1 to 255. This "encryption" is very insecure, but still a bit better than ROT13 ...
1
vote
1answer
40 views
Format conversion of localized file | xliff to csv
I need a revision for this code... it's a working code, but i'm pretty sure that can be simplified or even improved. This is for converting a normal xliff file (localization file) into a csv, having ...
5
votes
1answer
48 views
Format conversion of localization files | 3txt to xliff
I'm trying to build an xliff for localization from 3 specific files: one contains a list of IDs, the other a list of source strings and the last, a list of translated strings.
Basically, each file ...
3
votes
1answer
83 views
ARP implementation
I am a beginner in C and wrote this code to implement ARP.
3 threads are present - one to respond/receive any ARP packet targeted to me, one to refresh the ARP table on a periodic basis, and one to ...
3
votes
1answer
68 views
Package management system
A short time ago, I discovered the LinuxFromScratch project. After getting a system up and working (after much struggling), I realized that if I wanted to continue using LFS, some sort of package ...
4
votes
2answers
104 views
pthread_cond_wait() based multithreaded Linux daemon skeleton
I'm trying to design a multithreaded daemon for an industrial automation related project.
The daemon will be using a number of 3rd party libs like MQTT, mysql, etc..
My idea is to have worker threads ...
-1
votes
1answer
77 views
Server listening for program sockets
Essentially I have a server that will be listening for sockets in other programs seeking a connection:
...
3
votes
2answers
964 views
Complete async OpenSSL example
I am trying to create a fully async example of a client and server using SSL.
I think these are the required assumptions:
Connecting may require socket readability and writeability notifications.
...
4
votes
2answers
177 views
Reverse all lines in a file
The script below should open a file, read and reverse every line, then overwrite the source file.
...
3
votes
2answers
64 views
System backup on Linux - follow up
This is a follow-up to System backup on Linux. I've done a lot to my script since I asked my first question and I think I could improve a lot while doing this. The script still does the same, only a ...
6
votes
1answer
152 views
System backup on Linux
I've written this Python script to make regular backups of a Linux server. It works pretty well except that the script sometimes backups files more than one time, which is pretty strange and I don't ...
2
votes
2answers
33 views
Split redirecting to multiple files in bash
A function mycommand which runs command and:
Gives me three log-files which are:
*.stdout.log: everything from ...
6
votes
1answer
222 views
Basic Linux daemon
To help myself relearn C++, I'm looking at writing a simple proxy. At the moment I've got a logger, command line argument parse and simple daemon (it does nothing beyond logging). Next I'll be looking ...
1
vote
1answer
464 views
Get network interfaces on Linux
I wrote this in order to get a list of network interfaces on Linux. In the past, I have used publicly available methods from, say, ActiveState, which uses ioctl and was annoying to get working under ...
4
votes
2answers
282 views
forever.sh - should keep a process alive forever
This script's only responsibility is to keep a process alive. Forever.
It's sole dependencies shall be bash and coreutils. I'm ...
5
votes
1answer
27 views
Shell Script Audio Logger
I created my first shell script. It's an audio logger that runs on the hour for an hour and restarts. Although if it is started within the hour it will only run until the end of the hour.
I've added ...
3
votes
1answer
80 views
GRE Tunnel Script
I've made this script above for GRE Tunnels and I'd like to know how I can improve it.
Also, at the bottom, you'll see "Do you want to forward more ports." I want an easier method of asking this and ...
11
votes
1answer
194 views
Callback in Linux kernel driver in order to hide device's low-level protocol
I'm am writing a Linux kernel driver for HD44780 LCDs connected via I2C bus. In my last change I tried to decouple low-level code (which talks to the device via I2C) from device's logic (printing ...
3
votes
2answers
150 views
A basic C Shell for Linux
I have written a basic C Shell. It features the builtins cd, programmer, ver and ...
9
votes
3answers
562 views
Daemonizer in C
I am aware that the malloc is a potential memory leak, but with an execvp coming, and that never returning.
The purpose is to ...
6
votes
3answers
424 views
Locating a PID based on an IP address and port
I wrote a simple Python app that is given an IP address and port and the app then finds the PID listening on that IP:PORT.
I would like to hear constructive criticism regarding the bellow code.
...
8
votes
2answers
128 views
Backup Linux system to web
First I create a .tar of the root directory with all the file permissions saved and excluding all irrelevant directories (are these the right folders to be ...
