Installing Redis on Ubuntu 14.04

ram@ram-pc:~$  sudo add-apt-repository ppa:chris-lea/redis-server
[sudo] password for ram:
 Redis is an open source, advanced key-value store. It is often referred to as a data structure server since keys can contain strings, hashes, lists, sets and sorted sets.
 More info: https://launchpad.net/~chris-lea/+archive/ubuntu/redis-server
Press [ENTER] to continue or ctrl-c to cancel adding it
gpg: keyring `/tmp/tmpydr5ohrk/secring.gpg' created
gpg: keyring `/tmp/tmpydr5ohrk/pubring.gpg' created
gpg: requesting key C7917B12 from hkp server keyserver.ubuntu.com
gpg: /tmp/tmpydr5ohrk/trustdb.gpg: trustdb created
gpg: key C7917B12: public key "Launchpad chrislea" imported
gpg: Total number processed: 1
gpg:               imported: 1  (RSA: 1)
OK

ram@ram-pc:~$  sudo apt-get update
Ign http://repo.mongodb.org trusty/mongodb-org/3.0 InRelease
Ign http://extras.ubuntu.com trusty InRelease                                 
Hit http://extras.ubuntu.com trusty Release.gpg                               
Ign http://security.ubuntu.com trusty-security InRelease                      
Ign http://in.archive.ubuntu.com trusty InRelease   
...
...
Ign http://in.archive.ubuntu.com trusty/restricted Translation-en_IN          
Ign http://in.archive.ubuntu.com trusty/universe Translation-en_IN            
Fetched 3,115 kB in 26s (116 kB/s)                                            
Reading package lists... Done

ram@ram-pc:~$  sudo apt-get install redis-server
Reading package lists... Done
Building dependency tree      
Reading state information... Done
The following extra packages will be installed:
  libjemalloc1 redis-tools
The following NEW packages will be installed:
  libjemalloc1 redis-server redis-tools
0 upgraded, 3 newly installed, 0 to remove and 297 not upgraded.
Need to get 485 kB of archives.
After this operation, 1,426 kB of additional disk space will be used.
Do you want to continue? [Y/n] y
Get:1 http://ppa.launchpad.net/chris-lea/redis-server/ubuntu/ trusty/main libjemalloc1 amd64 3.6.0-1chl1~trusty1 [77.2 kB]
Get:2 http://ppa.launchpad.net/chris-lea/redis-server/ubuntu/ trusty/main redis-tools amd64 3:3.0.2-1chl1~trusty1 [79.7 kB]
Get:3 http://ppa.launchpad.net/chris-lea/redis-server/ubuntu/ trusty/main redis-server amd64 3:3.0.2-1chl1~trusty1 [329 kB]
Fetched 485 kB in 16s (28.6 kB/s)    
Selecting previously unselected package libjemalloc1.
(Reading database ... 169044 files and directories currently installed.)
Preparing to unpack .../libjemalloc1_3.6.0-1chl1~trusty1_amd64.deb ...
Unpacking libjemalloc1 (3.6.0-1chl1~trusty1) ...
Selecting previously unselected package redis-tools.
Preparing to unpack .../redis-tools_3%3a3.0.2-1chl1~trusty1_amd64.deb ...
Unpacking redis-tools (3:3.0.2-1chl1~trusty1) ...
Selecting previously unselected package redis-server.
Preparing to unpack .../redis-server_3%3a3.0.2-1chl1~trusty1_amd64.deb ...
Unpacking redis-server (3:3.0.2-1chl1~trusty1) ...
Processing triggers for man-db (2.6.7.1-1ubuntu1) ...
Processing triggers for ureadahead (0.100.0-16) ...
ureadahead will be reprofiled on next reboot
Setting up libjemalloc1 (3.6.0-1chl1~trusty1) ...
Setting up redis-tools (3:3.0.2-1chl1~trusty1) ...
Setting up redis-server (3:3.0.2-1chl1~trusty1) ...
Starting redis-server: redis-server.
Processing triggers for libc-bin (2.19-0ubuntu6.5) ...
Processing triggers for ureadahead (0.100.0-16) ...
ram@ram-pc:~$

ram@ram-pc:~$ redis-cli ping
PONG

ram@ram-pc:~$ redis-cli
127.0.0.1:6379>

127.0.0.1:6379> shutdown
not connected> exit

ram@ram-pc:~$ sudo service redis-server restart
Stopping redis-server: redis-server.
Starting redis-server: redis-server.
ram@ram-pc:~$

ram@ram-pc:~$ redis-cli INFO
# Server
redis_version:3.0.2
redis_git_sha1:00000000
redis_git_dirty:0
redis_build_id:9a95cedf214a3630
redis_mode:standalone
os:Linux 3.16.0-30-generic x86_64
arch_bits:64
multiplexing_api:epoll
gcc_version:4.8.2
process_id:5171
run_id:37b0cd8c28fc3303789eac3e2b08b62866a25804
tcp_port:6379
uptime_in_seconds:264
uptime_in_days:0
hz:10
lru_clock:8493856
config_file:/etc/redis/redis.conf

# Clients
connected_clients:1
client_longest_output_list:0
client_biggest_input_buf:0
blocked_clients:0


reference:
http://linuxg.net/how-to-install-redis-server-2-8-17-on-ubuntu-14-04-ubuntu-12-04-and-derivative-systems/