Erik

Tuesday, April 28, 2020

linux administration - tips, notes and projects

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The newer Linux versions of the popular mouse/keyboard sharing application synergy now has built in encryption. Heres how to configure it: Just simply passing the enable-crypto flag on your synergy server without having a proper SSL certificate will result in the inability to connect to clients and generate an error message similar to this in []

Erik

Sunday, April 12, 2020

linux administration - tips, notes and projects

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I recently purchased a new keyboard and updated to the latest Ubuntu, Im also an avid user of the number pad for quick input when dealing with spreadsheets or accounting. I found that my num pads delete key (.) was outputting a comma (,) instead. Pretty annoying? I agree, but this can be very easily []

Erik

Thursday, November 30, 2017

linux administration - tips, notes and projects, ubuntu linux

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Wayland is intended as a simpler replacement for X, and is getting quite a bit of hype around the Linux community. So much so, that its the default in the latest versions of Fedora, GNOME, KDE and others. While Wayland may be the future, it really is in future. At least for Ubuntu 17.10. The []

Erik

Wednesday, August 2, 2017

linux administration - tips, notes and projects

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After recently upgrading my Dell XPS 13 w/Touchscreen to Fedora 26, the touchpad suddenly stopped working upon resuming from sleep mode. It was reproduced 100% of the time, and required a complete restart in order to get the touchpad working again. There have been several forum posts and bug reports regarding others experiencing these exact []

Erik

Thursday, July 13, 2017

linux administration - tips, notes and projects

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I run Fedora on a few of my machines, and inevitably over the course of time the filesystem will need to be repaired because of orphaned inodes, wrong free byte counts, etc. Typically when EXT4 errors are detected during boot, Fedora will detect this and offer to drop you into Emergency mode or continue. example: []

Erik

Wednesday, September 14, 2016

linux administration - tips, notes and projects

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ConfigServer (CSF) is advanced open-source firewall for Linux. If you are like me, I dont really care much for the native firewalld thats included with RHEL7 releases, and Ive used APF for years which is basically just a frontend for iptables. Heres instructions on how to install it: 1. Disable firewalld systemctl stop firewalld systemctl []

Erik

Tuesday, August 23, 2016

linux administration - tips, notes and projects, ubuntu linux

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One of my favorite tools that I find myself using quite often is called ScreenCloud. It allows you to quickly select any area of your workspace, create an sized screen shot, and then upload it or export it off to their server, your Dropbox account or an SFTP server. If youve recently performed upgrades, either []

Erik

Thursday, June 9, 2016

coding and scripting, linux administration - tips, notes and projects

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In a déjà vu scenario of a previous blog post I authored in 2012 called Source control != File System, I ranted about why binaries do not have any place in a source controlled repository. Fast forward nearly 4 years later, and Ive once again encountered a repository that was filled with network device firmware []

Erik

Monday, November 30, 2015

linux administration - tips, notes and projects

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I recently recompiled PHP on a server I own to upgrade it to the latest version. This particular server runs cPanel, which usually makes this otherwise tedious process much simpler. However, when recompiling mod_python it errors out with this message: touch connobject.slo connobject.c: In function '_conn_read': connobject.c:142: error: request for member 'next' in something not []

Erik

Thursday, November 12, 2015

linux administration - tips, notes and projects, ubuntu linux

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So, those that know me know I have a few laptops. Im no stranger to technology. Imagine my chagrin when I try piping a linux command to grep and my output comes out like so: ps uawx > grep X I know that the ps command thinks it is superior to grep, but seriously. WTF []

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