Education
W: GPG error: http://repo.mysql.com trusty InRelease: The following signatures were invalid: KEYEXPIRED 1487236823 KEYEXPIRED 1487236823 KEYEXPIRED 1487236823
This solved my problem
sudo apt-key adv --keyserver pgp.mit.edu --recv-keys A4A9406876FCBD3C456770C88C718D3B5072E1F5
...
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MySQL and the Leap Second, High CPU and the Fix
So, MySQL seemed to be faring just fine during and after the leap second. There were no big problems or catastrophic fai...
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pipeline.exceptions.CompressorError: /usr/bin/env: yuglify: No such file or directory
You must install yugliy with the-gas you specified above
sudo npm -g install yuglify.
Without this the binary will no...
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Remove passphrase (password) from private RSA key
It is there secure yet annoying, to have a password encrypted rsa key.
You want to automatically login and/or run remote...
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Git Delete Last Commit
Git Delete Last Commit
Once in a while late at night when I ran out of coffee, I commit stuff that I shouldn't have. Th...
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How to find elastic search version?
Just send: curl -XGET 'localhost:9200'
And ElasticSearch will return its version.
Source :http://elasticsearch-users.1...
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Find out which files are trying to load the above extensions
find out which files are trying to load the above extensions:
$ grep -Hrv ";" /etc/php5 | grep -i "extension="
Examp...
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MySQL said: #1194 - Table 'tablename' is marked as crashed and should be repaired
Use:
mysqlcheck -u root -p --auto-repair --check --all-databases
(Password prompted)
Enter MySQL password for user ro...
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This request has been blocked; the content must be served over HTTPS.
If you got a issue like this :
Mixed Content: The page at https://domain.com/ was loaded over HTTPS,
but requested an...
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How to dump only specific tables from MySQL?
If my database has 10 tables and I want to dump only 3 tables, is it possible with mysqldump command?
Solution :
Usage:...
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How To Install an SSL Certificate from a Commercial Certificate Authority
Introduction
This tutorial will show you how to acquire and install an SSL certificate from a trusted, commercial Ce...
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hide keyboard in iphone safari webapp
Here's a small code snippet that always hides the keyboard whenever the focus is in an input or textarea field and the u...
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Missing date & time applet from top Unity panel
Having date and time gone on Ubuntu 13.10 beta, after next reboot, this command solves the problem:
killall unity-pane...
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How to add an annotation on distinct items?
Solution with added "distinct=True" on annotate. This solutionundocumented on django documantations
Example :
packages...
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MySQL Import/Export Progress Bar
MySQL command line progress can be monitored using the terminal-based “Pipe Viewer” pv.
Import
pv /path/to/sqlfil...
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SSLError: hostname 'api.website.com' doesn't match u'my.website.com'
How to disable hostname checking in requests python
You need both disabling warnings in urllib3 and setting verify to Fa...
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Johnny cache Exception Value: error 10 from memcached_set: SUCCESS
For this issues you can fixed by add -I on memcached.conf
1. sudo nano /etc/memcached.conf
2. -I 10m
3. sudo service me...
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Backup gem 4.x requires different template
because there is no restraint for the version of the backup gem it will always install thelatest version.
and since ver...
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How To Install Elasticsearch on an Ubuntu 14.04
Elasticsearch is a platform for distributed, RESTful search and analysis. It can scale as needed, and you can get starte...
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How To Install and Use PostgreSQL on Ubuntu 14.04
Installation
sudo apt-get update
sudo apt-get install postgresql postgresql-contrib
Source :
https://www.digitalocean....
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