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Sysadmin

Server and desktop tips, help, and how-tos for Mac, Linux, and Windows.

mysql backup mysqldump

How to Backup and Restore with mysqldump

January 21, 2017 mike MySQL, Sysadmin

Backing up and restoring a MySQL or MariaDB database is super easy. I’ve listed out a few different ways you can do it. Example MariaDB/MySQL

datacenter

Port Scan the Entire Internet in 5 Minutes?

January 19, 2017 mike Sysadmin

One of my favorite sub-reddits is /r/coolgithubprojects. I check it out a few times a week looking for interesting open source projects. One interesting project

netstat sort example

Using netstat to Monitor Connections and DDoS on Your Server

January 14, 2017 mike Sysadmin

Netstat is a wonderful Linux command to peak into networking processes on your server. Combined with other commands such as sort netstat can become extremely

memory

How To Setup a Swap Partition in Ubuntu on EC2

January 6, 2017 mike Sysadmin

Many cloud servers don’t come with a swap partition setup by default, including Amazon EC2 servers. Luckily it’s fairly simple to setup. Below were using

How To Dump a Man Page to a Text File

January 4, 2017 mike Sysadmin

Dumping a man page is easy, just redirect the output to standard outvia a bash as below.

Easy Log Rotation with Logrotate On Ubuntu

January 2, 2017 mike Sysadmin

You don’t need to write your own log rotation service in Linux, you can use the built in service called logrotate super easily. Below is

osx homebrew update

How to Update Brew and Upgrade all Packages on OSX

December 28, 2016 mike Sysadmin

I used to run Linux Ubuntu up until a few years ago as my laptop. But I find the hardware and software on a Mac

Cron Job at 7 am Everyday and Other Crontab Examples

December 19, 2016 mike Sysadmin

Cron is the Linux system for repeated scheduled tasks. Below are a few examples on how to use cron, what the fields mean, and how

Search Inside Text Files With Grep

December 16, 2016 mike Sysadmin

Grep is too important not to know for Linux sysadmins. Grep is commonly combined with other commands via pipes to search and filter standard output.

Several Ways to Run Queries from Bash

December 16, 2016 mike MySQL, Sysadmin

In some of these examples, particularly the remote server I’ve included usernames and passwords, but you might not need it locally, depending on your mysql

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