Issues that occur on Ubuntu

Common Issues & Fixes on Ubuntu

1. Heroku Toolbelt Issue
2. MongoDb Issue
3. MergeList /var/lib/apt/lists Issue
4. Host 'host_name' is blocked

Heroku Toolbelt update Issues

Heroku Toolbelt update issue

$sudo apt-add-repository 'deb http://toolbelt.herokuapp.com/ubuntu ./'
$wget -O- https://toolbelt.heroku.com/apt/release.key | apt-key add -
$sudo apt-get update
$sudo apt-get install heroku-toolbelt

Host 'host name' blocked Issue

Host 'host_name' is blocked because of many connection errors.
Unblock with 'mysqladmin flush-hosts'

$ mysqladmin flush-hosts
mysqladmin: refresh failed; error: 'Access denied; you need (at least one of) the RELOAD privilege(s) for this operation
$ mysql -u root -p
$ <your password>
# GRANT RELOAD ON *.* TO 'root'@'localhost';

$ sudo service mysql restart

MergeList Issue

“Problem with MergeList /var/lib/apt/lists” Error In Ubuntu 11.04

$sudo rm /var/lib/apt/lists/* -vf
$sudo apt-get update

MongoDB Issue

MongoDb Issue

$sudo rm /var/lib/mongodb/mongod.lock
$sudo -u mongodb mongod -f /etc/mongodb.conf --repair
$sudo start mongodb
$sudo status mongodb