Crtl-a Ctrl-d
How to detach or disconnect a screen session on Linux
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GNU/Linux
Advanced git
https://youtu.be/duqBHik7nRo Just putting this here for later. A git talk that covers everything that I wonder about with git. Also the speaker has a book which going by her previous courses will be excellent.
Use FORCE INDEX
Just putting this here as I have a SELECT in MySQL that was taking 1.946 sec to return 20 records from a table with 159884 records when using a ORDER BY DESC on a DATETIME field Creating an index and changing the FROM to FORCE INDEX () dropped it down to 0.00079 sec /...
Using a git repo as a composer repository
So here is the link so I don't forget it https://getcomposer.org/doc/05-repositories.md#vcs Add your repo's URL into your composer.json in the repositories key and change the version on the original repo name to your dev-* version where * is a branch of your github...
pgAdmin / pgcli could not send data to server: Socket is not connected
My setup is My home network is IPv6 enabled. I have an AAAA record specifying the IPv6 address of the Amazon EC2 instances Elastic IP <IPv6 enabled home network> | <internet> | <Dockerized Postgres on EC2 Instance> Getting this error message when attempting...
I wanted a visible paragraph mark and after invoking ‘CTRL + SHIFT + u + b6’ my dreams were fulfilled
I have just installed Fedora 26. I have a PDF that contains a ¶ visible paragraph mark but when I copy it into a Libre Office Writer document an 8 appears. So I have to replace the incorrect 8 with a ¶ visible paragraph character To do this in LibreOffice you click...
seLinux practices the silent treatment – If you would only just tell me what’s wrong I would fix it
I have a html form that posts to a Perl CGI script. The script then loops and creates a CSV that is then piped to glabels-3-batch to create a PDF file of labels which lpr then sends to a printer. I found if I select to create 26 labels the script worked but above 26 I...
Fedora 25 Kernel Upgrade Breaks MacBook Pro WiFi
https://ask.fedoraproject.org/en/question/71227/how-to-keep-fedora-22-updates-from-breaking-broadcom-bcm4312-wireless/ The fix is to boot to the latest kernel and run
glabels-3-batch on Fedora 25 segfault
The default glabels-3.4.x install on Fedora 25 through 29 segfaults when using the glabels-3-batch command. The following command fails: glabels-3-batch -o output.pdf -i crossdock-data.csv 150x200-crossdock-labels.glabels I found compiling from source with defaults...
seLinux won’t exec my .pl
This error in httpd error_log [Wed Jul 12 21:39:57.069313 2017] [cgi:error] [pid 16811] [client 127.0.0.1:35330] AH01215: (13)Permission denied: exec of '/home/rupert/Sites/client1-www/cgi-bin/refnum.pl' failed:/home/rupert/Sites/client1-www/cgi-bin/refnum.pl [Wed Jul...