uncleflo

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Some cool dude. Higher order of decision making. Absolute.

Registered since September 28th, 2017

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How to create large dummy file

https://www.windows-commandline.com/how-to-create-large-dummy-file/

Saved by uncleflo on January 3rd, 2019.

A-Z Windows Commands, Batch files, Dos and PowerShell. Fsutil.exe is a built in filesystem tool that is useful to do file system related operations from command line. We can create a file of required size using this tool. The above commands create a 1 MB file dummy.txt within few seconds.  If you want to create 1 GB file you need to change the second command as below.

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NetDrive 3 - The Network Drive for Your PC

http://www.netdrive.net/

Saved by uncleflo on October 28th, 2018.

Cloud storage as a virtual drive: Managing your favorite cloud storage services could not be easier. Simply provide login information, and all your cloud storage will automatically appear as a virtual drive every time you start your PC. Background uploading: With background uploading, NetDrive 3 uploads your files to remote storage without overheads and you will not want to live without this feature. Multiple Mount Options: You can control when to mount your drive. With NetDrive 3 now you can mount your drive on system boot time without login. With this option you can use your remote storage with system services. NAS storage as a virtual drive: You can connect to NAS servers by WebDAV or FTP. Many NAS vendors recommend NetDrive as a standard way to mount their NAS products. Share your NAS easily with anyone as virtual drive.
SFTP to securely transfer files. NetDrive supports secure file transfer by SFTP (SSH File Transfer protocol) . Unlike standard File Transfer Protocol (FTP), SFTP encrypt both commands and data, preventing passwords and sensitive information from being transmitted in clear text over a network.

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Hping

http://www.hping.org/

Saved by uncleflo on October 23rd, 2018.

hping is a command-line oriented TCP/IP packet assembler/analyzer. The interface is inspired to the ping(8) unix command, but hping isn't only able to send ICMP echo requests. It supports TCP, UDP, ICMP and RAW-IP protocols, has a traceroute mode, the ability to send files between a covered channel, and many other features. While hping was mainly used as a security tool in the past, it can be used in many ways by people that don't care about security to test networks and hosts.

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Count number of lines in a file using DOS

http://brett.batie.com/scripting/count-number-of-lines-in-a-file-using-dos/

Saved by uncleflo on May 29th, 2018.

Every once in a while I get on a computer and I need to count the number of lines in a file. My first instinct is to open my text editor (editplus) and hit ctrl+end to get to the bottom of the document. Then I can view the status bar which will tell me the line number. This works fine when I am on my computer but not when I am on another computer that does not have editplus installed. My next option might be to open this file in notepad and do the exact same thing. This will work fine if the file is not to large. The problem is I often deal with very large files. I need a quicker way to produce the same results. This is where DOS comes into play. I can use the following command and let DOS quickly tell me the number of lines in the file.

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Locking for Concurrency in MySQL

http://www.brainbell.com/tutors/php/php_mysql/When_and_how_to_lock_tables.html

Saved by uncleflo on May 9th, 2018.

The first and most important point is that the primary use of locking is to solve concurrency problems. If scripts are being implemented that write to the database but aren't multistep operations susceptible to the problems described in the last section, locks aren't needed. Simple scripts that insert one row, delete one row, or update one row, and that don't use results of a previous SELECT or data entered by the user as input, don't require a lock.

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The Go Programming Language - Writing Web Applications

https://golang.org/doc/articles/wiki/

Saved by uncleflo on February 19th, 2018.

Covered in this tutorial: Creating a data structure with load and save methods; Using the net/http package to build web applications; Using the html/template package to process HTML templates; Using the regexp package to validate user input; Using closures. Assumed knowledge: Programming experience; Understanding of basic web technologies (HTTP, HTML); Some UNIX/DOS command-line knowledge;

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Running MySQL *.sql files in PHP Ask Question

https://stackoverflow.com/questions/4027769/running-mysql-sql-files-in-php

Saved by uncleflo on February 15th, 2018.

I have two *.sql files that I use when creating a new web site database. The first file creates all the tables. The second file populates some default records. I would like to execute these files from PHP. I also use the Zend_Framework, if that will help accomplish this? Answer: This question comes up from time to time. There's no good solution for running a .sql script directly from PHP. There are edge cases where statements common in a .sql script can't be executed as SQL statements. For example, the mysql tool has builtin commands that are not recognized by the MySQL Server, e.g. CONNECT, USE, and DELIMITER.

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Which characters need to be escaped in Bash? How do we know it?

https://stackoverflow.com/questions/15783701/which-characters-need-to-be-escaped-in-bash-how-do-we-know-it

Saved by uncleflo on February 7th, 2018.

Is there any comprehensive list of characters that need to be escaped in Bash? Can it be checked just with sed? In particular, I was checking whether % needs to be escaped or not. I tried this and worked fine, without escaping %. Does it mean % does not need to be escaped? Was this a good way to check the necessity? And more general: are they the same characters to escape in shell and bash?

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How To Use Netcat to Establish and Test TCP and UDP Connections on a VPS

https://www.digitalocean.com/community/tutorials/how-to-use-netcat-to-establish-and-test-tcp-and-udp-connections-on-a-vps

Saved by uncleflo on June 27th, 2017.

Linux is known for having a great number of mature, useful command line utilities available out of the box in most distributions. Skilled system administrators can do much of their work using the built-in tools without having to install additional software. In this guide, we will discuss how to use the netcat utility. Often referred to as a Swiss army knife of networking tools, this versatile command can assist you in monitoring, testing, and sending data across network connections. We will be exploring this on an Ubuntu 12.04 VPS, but netcat should be available on almost any modern Linux distribution. Ubuntu ships with the BSD variant of netcat, and this is what we will be using in this guide. Other versions may operate differently or provide other options.

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Undoing Changes - git

https://www.atlassian.com/git/tutorials/undoing-changes

Saved by uncleflo on April 12th, 2017.

git checkout, git revert, git reset, git clean. This tutorial provides all of the necessary skills to work with previous revisions of a software project. First, it shows you how to explore old commits, then it explains the difference between reverting public commits in the project history vs. resetting unpublished changes on your local machine.

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How to convert to/from DOS format in VIM…

http://mattfahrner.com/2008/10/09/how-to-convert-tofrom-dos-format-in-vim/

Saved by uncleflo on January 27th, 2017.

It’s very easy, but also easy to forget how to convert to or from a DOS format file in Unix using “vim” (Vi iMproved), the Open Source “vi”. If the file is in DOS format and you want to convert to Unix, use the command:

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Check listening ports with netstat

https://support.rackspace.com/how-to/checking-listening-ports-with-netstat/

Saved by uncleflo on January 27th, 2017.

If you’re troubleshooting a service that you know is running normally the next step is to ensure it’s listening on the correct network port. The netstat command shows the services listening to ports on a Linux server and the details of any connections currently made to them. The connection details to consider during basic network daemon troubleshooting are the addresses that the daemon is listening on (including the port number), the daemon’s process identifier (PID), and the program name.

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Bambalam PHP EXE Compiler/Embedder

http://www.bambalam.se/bamcompile/

Saved by uncleflo on December 12th, 2016.

Bambalam PHP EXE Compiler/Embedder is a free command line tool to convert PHP applications to standalone Windows .exe applications. The exe files produced are totally standalone, no need for php dlls etc. The php code is encoded using the Turck MMCache Encode library so it's a perfect solution if you want to distribute your application while protecting your source code. The converter is also suitable for producing .exe files for windowed PHP applications (created using for example the WinBinder library). It's also good for making stand-alone PHP Socket servers/clients (using the php_sockets.dll extension).

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A Guide to Install and Use ZFS on CentOS 7

http://linoxide.com/tools/guide-install-use-zfs-centos-7/

Saved by uncleflo on October 31st, 2016.

ZFS, short form of Zettabyte Filesystem is an advanced and highly scalable filesystem. It was originally developed by Sun Microsystems and is now part of the OpenZFS project. With so many filesystems available on Linux, it is quite natural to ask what is special about ZFS. Unlike other filesystem, it is not just a filesystem but a logical volume manager as well. Some of the features of ZFS that make it popular are: Data Integrity - data consistency and integrity are ensured through copy-on-write and checksum techniques; Pooling of storage space - available storage drives can be put together into a single pool called zpool; Software RAID - Setting up a raidz array is as simple as issuing a single command; Inbuilt volume manager - ZFS acts as a volume manager as well; Snaphots, clones, compression - these are some of the advanced features that ZFS provides.

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Shell Scripting Tutorial - Quick Reference

http://www.shellscript.sh/quickref.html

Saved by uncleflo on October 28th, 2016.

A Bourne Shell Programming / Scripting Tutorial for learning about using the Unix shell. Learn Linux / Unix shell scripting by example along with the theory. I'll have you mastering Unix shell scripting in no time.

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Wget: Resume Broken Download

http://www.cyberciti.biz/tips/wget-resume-broken-download.html

Saved by uncleflo on July 23rd, 2016.

The GNU Wget is a free utility for non-interactive download of files from the Web. It supports HTTP, HTTPS, and FTP protocols, as well as retrieval through HTTP proxies. Recently, I was downloading a Ubuntu Linux ISO (618 MB) file for testing purpose at my home PC. My Uninterrupted Power Supply (UPS) unit was not working. I started downloading.

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Code School - TryRuby

http://tryruby.org/levels/1/challenges/0

Saved by uncleflo on February 8th, 2015.

Ruby is a programming language from Japan (available at ruby-lang.org) which is revolutionizing the web. The beauty of Ruby is found in its balance between simplicity and power. Try out Ruby code in the prompt on the right. In addition to Ruby's built-in methods, the following commands.

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How to recover ext4 from GPT partitioned disk - Information Technology

http://howto.tipit.info/pc/linux/104/how-to-recover-ext4-from-gpt-partitioned-disk/

Saved by uncleflo on August 9th, 2014.

Hard drive sizes had increased dramatically in last several years, but block device drivers are still outdated. For hard drives more than 1TB currently seems to be an advantage to use GPT instead of legacy MBR partition table. You can see more details at http://en.wikipedia.org/wiki/GUID_Partition_Table. One of the inevitable disadvantage of GPT is the possibility of corruption by using outdated partition editor like cfdisk, or other disk tools, even without any intention to modify the partition. It happened recently on one 1.5TB WD Caviar Green with GPT and one ext4 partition full of data.

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The Sleuth Kit (TSK) & Autopsy: Open Source Digital Forensics Tools

http://www.sleuthkit.org/

Saved by uncleflo on August 9th, 2014.

Autopsy® and The Sleuth Kit® are open source digital investigation tools (a.k.a. digital forensic tools) that run on Windows, Linux, OS X, and other Unix systems. They can be used to analyze disk images and perform in-depth analysis of file systems (such as NTFS, FAT, HFS+, Ext3, and UFS) and several volume system types. Examiners and analysts can use the Autopsy graphical interface or The Sleuth Kit (TSK) command line tools to conduct an investigation. Join the sleuthkit-users list to ask questions and help others. Developers can write modules to extend the functionality of both Autopsy and TSK. Refer to the Autopsy Developer's Guide or the TSK Framework Module Writer's Guide for details on how to incorporate your tools into TSK and Autopsy.

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10 Linux Fsck Command Examples to Check and Repair Filesystem

http://www.thegeekstuff.com/2012/08/fsck-command-examples/

Saved by uncleflo on August 9th, 2014.

Depending on when was the last time a file system was checked, the system runs the fsck during boot time to check whether the filesystem is in consistent state. System administrator could also run it manually when there is a problem with the filesystems. Make sure to execute the fsck on an unmounted file systems to avoid any data corruption issues. This article explains 10 practical examples on how to execute fsck command to troubleshoot and fix any filesystem errors.

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Top 30 Nmap Command Examples For Sys/Network Admins

http://www.cyberciti.biz/networking/nmap-command-examples-tutorials/

Saved by uncleflo on August 9th, 2014.

Nmap is short for Network Mapper. It is an open source security tool for network exploration, security scanning and auditing. However, nmap command comes with lots of options that can make the utility more robust and difficult to follow for new users. The purpose of this post is to introduce a user to the nmap command line tool to scan a host and/or network, so to find out the possible vulnerable points in the hosts. You will also learn how to use Nmap for offensive and defensive purposes.

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GNU Parallel - GNU Project - Free Software Foundation

http://www.gnu.org/software/parallel/

Saved by uncleflo on August 9th, 2014.

GNU Parallel For people who live life in the parallel lane. GNU parallel is a shell tool for executing jobs in parallel using one or more computers. A job can be a single command or a small script that has to be run for each of the lines in the input. The typical input is a list of files, a list of hosts, a list of users, a list of URLs, or a list of tables. A job can also be a command that reads from a pipe. GNU parallel can then split the input and pipe it into commands in parallel.

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RevoDrive3 X2 on Ubuntu | Servers Australia Blog

http://www.serversaustralia.com.au/blog/revodrive3-x2-on-ubuntu-oh-yeah/

Saved by uncleflo on June 3rd, 2014.

We successfully got Ubuntu 12.04 Server working using Ubuntu Server 12.04 64-bit enterprise driver on the RevoDrive3 X2 BOOTABLE! That’s a 200,000 iop card with 1.5GB/sec Writes! Check out how Peter pulled it off.

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cmd - What is the Windows equivalent of the diff command? - Stack Overflow

http://stackoverflow.com/questions/6877238/what-is-the-windows-equivalent-of-the-diff-command

Saved by uncleflo on June 3rd, 2014.

I tried using the comp command like it mentioned, but if I have two files, one with data like "abcd" and the other with data "abcde", it just says the files are of different sizes. I wanted to know where exactly they differ. In Unix, the simple diff tells me which row and column, the comp command in windows works if I have something like "abd" and "abc". Not otherwise. Any ideas what I can use for this?

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Import CSV file directly into MySQL | a Tech-Recipes Tutorial

http://www.tech-recipes.com/rx/2345/import_csv_file_directly_into_mysql/

Saved by uncleflo on January 24th, 2014.

Instead of writing a script to pull in information from a CSV file, you can link MYSQL directly to it and upload the information using the following SQL syntax. To import an Excel file into MySQL, first export it as a CSV file. Remove the CSV headers from the generated CSV file along with empty data that Excel may have put at the end of the CSV file.

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