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Tag: Ubuntu

  • Linux shell commands I use daily

    Linux shell commands I use daily

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    Ed Itor
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    In day to day administration we as system administrators have literally thousands of commands to choose from to keep our servers running in tip top condition. I’ve seen top 10 lists of essential commands every Linux user should know. I’ve seen top 35 lists of the best Linux shell commands. I’ve seen top 100 lists…

  • fail2ban for Ubuntu – ssh port security

    fail2ban for Ubuntu – ssh port security

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    Ed Itor
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    fail2ban is a tool in the Ubuntu repository which helps in securing your internet facing ssh port. It uses a simple algorithm to detect repeated login and password attempts to ban the offending host for a period of time. The default installation of fail2ban bans a host for 10 minutes before removing the block from…

  • Installing Mediawiki with Let’s Encrypt SSL Certificate Part 2

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    Ed Itor
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    This is Part 2 of the Mediawiki with Let’s Encrypt SSL Certificate installation guide. In part one we covered the prerequisite OS portion of the installation which detailed the core components of Mediawiki. In addition to the core components, we installed support software for Mediawiki which will assure a successful installation. Image processing software is…

  • Installing Mediawiki with Let’s Encrypt SSL Certificate Part 1

    Installing Mediawiki with Let’s Encrypt SSL Certificate Part 1

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    Ed Itor
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    Part 1 – OS Installation Details This will be an actual ‘How To’. As I am concentrating on Ubuntu Linux 20.04, it will be very 20.04 ‘centric, however much will apply to all OS releases. There are numerous HowTo guides on installing Mediawiki on Ubuntu but after viewing a few of the pages searched for…

  • Is it normal to see my sites being probed or hacked 24×7?

    Is it normal to see my sites being probed or hacked 24×7?

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    Ed Itor
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    This is a copy of a post I posted somewhere on the internet as an answer to the above question. -Ron Yes, this is normal. I have some users and clients that have ‘bastion’ hosts on the internet. The primary reason for this is they have the one VPS or VM, and need to run…

  • tmux – Windows for bash

    tmux – Windows for bash

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    Ed Itor
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    tmux is a an open source terminal multiplexer. In the language of laymen, tmux allows you to run multiple terminal sessions which you can access through the same ssh connection, or any type of terminal session you might be running to access or administrate your system. You can think of it as a window manager…

  • Command Line Warriors

    Command Line Warriors

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    Ed Itor
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    It’s now that I need to point out to that throughout the series I may assume a level of knowledge with Linux based OS’s. With that being said, 100% of all information presented as far as installing, building, compiling, copying, moving, EVERYTHING, will be done through the use of the command line interface. I personally…

  • Select OS as the First Step

    Select OS as the First Step

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    Ed Itor
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    Well this is a no brainer really. Go to Canonical and download some version of Ubuntu. I personally these days go with Ubuntu Server, and then build everything out myself. However if you are new to Linux or simply want a full blown desktop with a graphical interface that feature a mouse and keyboard as…