Ubuntu update command line

Here is a guide for Ubuntu update in command line. There are two two commands you need to run. The first command is sudo apt-get update command to scan for available packages to update from Ubuntu support. If the update found a security patch or software packages update, then you need to run the next command which is sudo apt-get upgrade to install the updates. You must have Internet connection to run the command.

Here are example of Ubuntu update in command line:

luzar@ubuntu:~$ sudo apt-get update
Hit http://us.archive.ubuntu.com hardy Release.gpg
Get:1 http://security.ubuntu.com hardy-security Release.
gpg [189B]Ign http://security.ubuntu.com hardy-security/main Translation-en_US
Ign http://security.ubuntu.com hardy-security/restricted Translation-en_US
Ign http://security.ubuntu.com hardy-security/universe Translation-en_US
Ign http://security.ubuntu.com hardy-security/multiverse Translation-en_US
Get:2 http://security.ubuntu.com hardy-security Release [58.5kB]
Get:3 http://security.ubuntu.com hardy-security/main Packages [67.9kB]
Ign http://us.archive.ubuntu.com hardy/main Translation-en_US
Get:4 http://security.ubuntu.com hardy-security/restricted Packages [7159B]
Ign http://us.archive.ubuntu.com hardy/restricted Translation-en_US
Get:5 http://security.ubuntu.com hardy-security/main Sources [15.2kB]
Ign http://us.archive.ubuntu.com hardy/universe Translation-en_US
Get:6 http://security.ubuntu.com hardy-security/restricted Sources [1092B]
Ign http://us.archive.ubuntu.com hardy/multiverse Translation-en_US
Get:7 http://security.ubuntu.com hardy-security/universe Packages [41.2kB]
Get:8 http://us.archive.ubuntu.com hardy-updates Release.gpg [189B]
Get:9 http://security.ubuntu.com hardy-security/universe Sources [7068B]
Ign http://us.archive.ubuntu.com hardy-updates/main Translation-en_US
Ign http://us.archive.ubuntu.com hardy-updates/restricted Translation-en_US
Ign http://us.archive.ubuntu.com hardy-updates/universe Translation-en_US
Ign http://us.archive.ubuntu.com hardy-updates/multiverse Translation-en_US
Hit http://us.archive.ubuntu.com hardy Release
Get:10 http://us.archive.ubuntu.com hardy-updates Release [58.5kB]
Get:11 http://security.ubuntu.com hardy-security/multiverse Packages [8637B]
Get:12 http://security.ubuntu.com hardy-security/multiverse Sources [14B]
Hit http://us.archive.ubuntu.com hardy/main Packages
Hit http://us.archive.ubuntu.com hardy/restricted Packages
Hit http://us.archive.ubuntu.com hardy/main Sources
Hit http://us.archive.ubuntu.com hardy/restricted Sources
Hit http://us.archive.ubuntu.com hardy/universe Packages
Hit http://us.archive.ubuntu.com hardy/universe Sources
Hit http://us.archive.ubuntu.com hardy/multiverse Packages
Hit http://us.archive.ubuntu.com hardy/multiverse Sources
Get:13 http://us.archive.ubuntu.com hardy-updates/main Packages [378kB]Get:14 http://us.archive.ubuntu.com hardy-updates/restricted Packages [7103B]Get:15 http://us.archive.ubuntu.com hardy-updates/main Sources [98.7kB]Get:16 http://us.archive.ubuntu.com hardy-updates/restricted Sources [1092B]Get:17 http://us.archive.ubuntu.com hardy-updates/universe Packages [141kB]Get:18 http://us.archive.ubuntu.com hardy-updates/universe Sources [32.6kB]Get:19 http://us.archive.ubuntu.com hardy-updates/multiverse Packages [23.8kB]Get:20 http://us.archive.ubuntu.com hardy-updates/multiverse Sources [4020B]
Fetched 953kB in 34s (27.9kB/s)Reading package lists... Done
luzar@ubuntu:~$

Running the apt-get upgrade command:

luzar@ubuntu:~$ sudo apt-get upgrade
Reading package lists... Done
Building dependency tree
Reading state information... Done
The following packages have been kept back:  
bind9 bind9-host dnsutils libbind9-30 libisc32 libisccc30 libisccfg30  
linux-image-server linux-server
The following packages will be upgraded:  
apt apt-utils bind9-doc cpp-4.2 eject gcc-4.2-base initramfs-tools 
iproute  libapache2-mod-php5 libc6 libc6-i686 libdbus-1-3 libgcc1 
libldap-2.4-2  liblwres30 libpcre3 libstdc++6 libxml2 
linux-image-2.6.24-19-server pciutils  php5-common php5-mysql 
postfix procps python2.5 python2.5-minimal sudo  tzdata ufw 
update-manager-core xkb-data
31 upgraded, 0 newly installed, 0 to remove and 9 not upgraded.
Need to get 40.7MB of archives.After this operation, 24.6kB of additional disk space will be used.Do you want to continue [Y/n]? Y
Get:1 http://us.archive.ubuntu.com hardy-updates/main 
gcc-4.2-base 4.2.4-1ubuntu3 [100kB]
Get:2 http://us.archive.ubuntu.com hardy-updates/main libgcc1 1:4.2.4-1ubuntu3 [23.3kB]
Get:3 http://us.archive.ubuntu.com hardy-updates/main cpp-4.2 4.2.4-1ubuntu3 [2486kB]
Get:4 http://us.archive.ubuntu.com hardy-updates/main libstdc++6 4.2.4-1ubuntu3 [332kB]
Get:5 http://us.archive.ubuntu.com hardy-updates/main libc6 2.7-10ubuntu4 [4307kB]12% [5 libc6 2299022/4307kB 53%]                                201kB/s 2min56