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Monday, 25. January 2016
connect to AWS

It is possible to use password to connect to AWS

1) change config file
sudo vi /etc/ssh/sshd_config

PermitRootLogin yes
PasswordAuthentication yes

2) restart
sudo service ssh restart

3) add a password
sudo passwd root

4) ssh without key
ssh root@xxx.com

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Monday, 28. September 2015
Install percona extra backup tool innobackupex

Steps to install innobackupex on Ubuntu:

$ apt-key adv --keyserver keys.gnupg.net --recv-keys 1C4CBDCDCD2EFD2A

Add this to /etc/apt/sources.list, replacing VERSION precise with the name of your distribution:

deb repo.percona.com precise main
deb-src repo.percona.com precise main

Remember to update the local cache:
$ apt-get update

Now you can install Percona XtraBackup with:
$ apt-get install percona-xtrabackup

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Backup mysql data using innobackup

BACKUP

innobackupex --user=USERNAME --password=PASSWORD --no-timestamp /data/backups/new_backup <--(PATH OF BACKUP)
innobackupex --apply-log /data/backups/new_backup

RESTORE

service mysql stop
mkdir /tmp/mysql
mv /var/lib/mysql/* /tmp/mysql/
innobackupex --copy-back /data/backups/new_backup <--(PATH OF BACKUP WHERE IS STORED)
chown -R mysql: /var/lib/mysql
service mysql start

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Friday, 4. September 2015
Tuning MySQL

Getting the shell script:
wget launchpadlibrarian.net

Running:
sh tuning-primer.sh

... Link (1 comment) ... Comment


Tuesday, 1. September 2015
convert a rpm to deb

Here are simple steps to convert a rpm package to deb package and install.

sudo apt-get install alien

wget tinyurl.com

sudo alien ibus-typing-booster-1.2.3-4.el7.noarch.rpm

sudo dpkg -i ibus-typing-booster_1.2.3-5_all.deb

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Monday, 10. August 2015
upgrade ubuntu

Upgrade from 14.04 to 15.04 is a 2 step journey.

sudo nano /etc/update-manager/release-upgrades
change the value to normal

And then use this command twice!
sudo do-release-upgrade

You can check your ubuntu version:

lsb_release -a
Description: Ubuntu 15.04

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Tuesday, 7. July 2015
Libre office on centOS

Here is how to install Libre office on centOS

64 bit
wget download.documentfoundation.org

32 bit
wget download.documentfoundation.org

tar xvf LibreOffice_4.4.4_Linux_x86_rpm.tar.gz

rpm -Uvh LibreOffice_4.4.4.3_Linux_x86_rpm/RPMS/*.rpm

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manage iso image file

Here is how you can open and copy files from an iso image.

mkdir /mnt/iso
mount -t iso9660 -o loop /root/Downloads/ubuntu-15.04-desktop-i386.iso /mnt/iso/

ls /mnt/iso/

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Monday, 29. June 2015
predictive typing

You can try a software called typing booster on Fedora. It helps user while typing. User can avoid typing mistakes and also avoid typing long spellings. If you are on fedora or centOS use the following command:

yum install ibus-typing-booster -y

I hope this package is made available for debian as well.

... Link (0 comments) ... Comment


Monday, 9. February 2015
download Enterprise backup

1) Access My Oracle Support.
2) Click on Patches & Updates navigation tab near the top of the screen.
3) In the Patch Search section, click on the Product or Family (Advanced Search) link
4) Type MySQL Enterprise Backup into the Product drop down list
5) select the latest release
6) Click the Search button.

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