Bash Shell Scripting Jobs

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Hourly - Intermediate ($$) - Est. Time: More than 6 months, 10-30 hrs/week - Posted
I have ongoing tasks where you would handle system administration, create and maintain existing code base for many projects, all shell scripts are written in bash on CENTOS servers. I will assign tasks to you via basecamp. You must be a proficient expert in bash scripting and server/system administration. You must be proficient in PHP. I will give you some initial tasks and if things work out well we will collaborate in the long term. You need to be able to learn current codebase with minimal supervision and improve them.
Skills: Bash shell scripting Linux System Administration MySQL Administration PHP
Hourly - Intermediate ($$) - Est. Time: Less than 1 month, Less than 10 hrs/week - Posted
Make a simple OS X Application (Mac OS X 10.10+). We have bash script (shell script, about 1000 lines of source code) Scripts are running sequence of commands: downloading drivers, unpacking, installing them. We would like to make it user friendly (terminal window should be hidden) and to see the progress/errors in native OS X interface. See script in attach and detailed task. IMPORTANT: Please review the script and make your price quote and add cover letter.
Skills: Bash shell scripting Mac OS App Development Objective-C
Fixed-Price - Expert ($$$) - Est. Budget: $500 - Posted
I have lost the bitlocker password for a USB driver which has important information i would like to retrieve. i know it is virtually impossible to break the bitlocker encryption, however, i do remember the password structure. It is something around: P@ssw0rd!1 P@ssW0rd!1 p@ssW0rd!1 p@ssword!1 And so on and so forth. Maybe 1/2/3/4 extra characters in the end, but not more than that. I am not sure which letters are uppercase or lowercase, or whether it's using @/a/A, or o/O/0. But i'm 100% positive the word is "Password" spelled in some way and there might be up to 4 characters extra after the "Password". I know for a fact that it makes the decryption a lot easier by some type of brute-force, probably using a script to generate all the possible combinations for "Password + 4 characters" and running them against the bitlocker encryption. Are you up to this challenge? ;)
Skills: Bash shell scripting Security Engineering Unix
Fixed-Price - Intermediate ($$) - Est. Budget: $10 - Posted
I'm looking for a freelancer who'll write down a bash script for monitoring httpd service. I need the script to check the service every 45 seconds (configurable), if it's down to try and restart it and after some attempts (configurable) to send a notification email. Every time I wrote "configurable" I meant I need to change this value from time to time. Thanks,
Skills: Bash shell scripting Bash Linux System Administration Scripting
Fixed-Price - Entry Level ($) - Est. Budget: $60 - Posted
Need a smart algorithm designed which works through multiple shell scripts which uses the following . 1. ipset 2. iptables 3. fail2ban 4. nginx The server is nginx http server with following ports on service :- :80 :443 :81 :82 :83 Ban Ips using fail2ban, ipset and iptables combined with following rules and more :- 1. block all ips from black list 2. check connection throtteling, slow connection ddos, multiple tries beyond threshold to nginx captch to ensure its not a bot if captch jail ip for 30 minutes if offedning ip comes again after 30 minutes and repeate same jail and block for ever . 3. Block all Ips with fail2ban if they pass a threshold and logic of syn and ack packets at tcp/ip level 4. Mitigating large and fast multiple DdoS Attacks with a null route
Skills: Bash shell scripting Iptables
Hourly - Intermediate ($$) - Est. Time: Less than 1 month, Less than 10 hrs/week - Posted
Dear Developers, we need someone to develop a web interface that is able to connect to a cisco router (ssh or snmp) and run some commands that would be activating customers. our goal is to avoid technical employees to connect directly at cisco core router.
Skills: Bash shell scripting Cisco IOS Network Administration PHP