Wednesday, May 22, 2013
Can't Search in Google Drive Folder in Windows 7
Problem:
I am trying to search files in Google Drive Folder in Windows 7 with Windows File Explorer, there is no search result returns.
Solution:
1. In Windows 7, open your Windows File Explorer
2. Select your Google Drive Folder
3. Click on "Organize" drop down menu (It located at the left top corner in Windows File Explorer)
4. Select "Folder and search options"
5. In the new pop windows, click on "Search" tab
6. Then, put a check mark on "Don't use the index when searching in files folders for system files (searches
might take longer)"
7. Click "OK" button to finish and try again
Friday, May 17, 2013
Setting up a KVM virtual machine in LVM (Logical Volume)
1. Install Ubuntu Server 12.04 64bit
(Total Hard Disk Size = 200GB and 4GB RAM)
Hostname: U-HOST
Partitioning
method: Manual
Create #1 primary
30.0GB f ext4 /
Create #2 primary
8.0GB f swap swap
Create #3 primary
176.7GB k lvm
Choose software to
install: [*] OpenSSH server
Install the GRUB
boot loader to the master boot record? <Yes>
2. After the base server installed, do
the update
root@U-HOST:/iso#apt-get
update
root@U-HOST:/iso#apt-get
dist-upgrade
3. Install packages
root@U-HOST:/iso#apt-get
install ubuntu-virt-server python-vm-builder kvm-ipxe
4. Add the current user to the group
libvirtd
root@U-HOST:/iso#adduser
'root' libvirtd
root@U-HOST:/iso#adduser
'root' kvm
To check if KVM
has successfully been installed, run
root@U-HOST:/iso#virsh
-c qemu:///system list
it should display
something like this:
root@U-HOST:~#
virsh -c qemu:///system list
Id Name
State
----------------------------------
5. Install bridge-utils... (In Ubuntu
12.04, this is package is already installed)
root@U-HOST:/iso#apt-get
install bridge-utils
6. configure a bridge,
root@U-HOST:/iso#nano
/etc/network/interfaces
Before the modification, it file is looks as follows: # This file describes the network interfaces available on your system # and how to activate them. For more information, see interfaces(5). # The loopback network interface auto lo iface lo inet loopback # The primary network interface auto eth0 iface eth0 inet dhcp
After
modification, it will looks as follows,
# This file describes the network interfaces available on your system # and how to activate them. For more information, see interfaces(5). # The loopback network interface auto lo iface lo inet loopback # The primary network interface auto eth0 iface eth0 inet manual auto br0 iface br0 inet static address 192.168.122.21 network 192.168.122.0 netmask 255.255.255.0 broadcast 192.168.122.255 gateway 192.168.122.1 dns-nameservers 8.8.8.8 8.8.4.4 bridge_ports eth0 bridge_fd 9 bridge_hello 2 bridge_maxage 12 bridge_stp off
After the modification of 'interface'
file, restart networking service,
root@U-HOST:/iso#/etc/init.d/networking
restart
It should now show the network bridge
(br0):
root@U-HOST:/iso#ifconfig
it will show following,
br0 Link encap:Ethernet HWaddr 52:54:00:14:81:b7
inet
addr:192.168.122.21 Bcast:192.168.122.255 Mask:255.255.255.0
inet6
addr: fe80::5054:ff:fe14:81b7/64 Scope:Link
UP
BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX
packets:152 errors:0 dropped:0 overruns:0 frame:0
TX
packets:78 errors:0 dropped:0 overruns:0 carrier:0
collisions:0
txqueuelen:0
RX
bytes:12428 (12.4 KB) TX bytes:10608 (10.6 KB)
eth0
Link encap:Ethernet HWaddr 52:54:00:14:81:b7
inet6
addr: fe80::5054:ff:fe14:81b7/64 Scope:Link
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX
packets:157 errors:0 dropped:0 overruns:0 frame:0
TX
packets:83 errors:0 dropped:0 overruns:0 carrier:0
collisions:0
txqueuelen:1000
RX
bytes:14796 (14.7 KB) TX bytes:10962 (10.9 KB)
lo
Link encap:Local Loopback
inet
addr:127.0.0.1 Mask:255.0.0.0
inet6
addr: ::1/128 Scope:Host
UP
LOOPBACK RUNNING MTU:16436 Metric:1
RX
packets:16 errors:0 dropped:0 overruns:0 frame:0
TX
packets:16 errors:0 dropped:0 overruns:0 carrier:0
collisions:0
txqueuelen:0
RX
bytes:1184 (1.1 KB) TX bytes:1184 (1.1 KB)
Reboot the server now.
7. Create the Physical Volume
#apt-get
install lvm2
Check the partitions by run,
#cat
/proc/partitions
It should looks like this,
root@U-HOST:~#
cat /proc/partitions
major
minor #blocks name
253
0 209715200 vda
253
1 29295616 vda1
253
2 7812096 vda2
253
3 172605440 vda3
11 0 1048575 sr0
The 'vda3' is the lvm partition, you
can check it by this,
root@U-HOST:/iso#fdisk -l
Disk
/dev/vda: 214.7 GB, 214748364800 bytes
255
heads, 63 sectors/track, 26108 cylinders, total 419430400 sectors
Units
= sectors of 1 * 512 = 512 bytes
Sector
size (logical/physical): 512 bytes / 512 bytes
I/O
size (minimum/optimal): 512 bytes / 512 bytes
Disk
identifier: 0x0006e7b2
Device
Boot Start End Blocks Id System
/dev/vda1
* 2048 58593279 29295616 83 Linux
/dev/vda2
58593280 74217471 7812096 82 Linux swap / Solaris
/dev/vda3
74217472 419428351 172605440 8e Linux LVM
Create physical volume
root@U-HOST:~#
pvcreate /dev/vda3
Physical volume "/dev/vda3" successfully created
Create volume group
root@U-HOST:~#
vgcreate vgpool /dev/vda3
Volume group "vgpool" successfully created
”vgpool”
can be replace with any name you want
Create logical volume
root@U-HOST:~#
lvcreate -L 30G -n win7 vgpool
Logical volume "win7" created
30G is the partition size, win7 is the
logical volume name, vgpool is the volume group that created from
previous step
8. Now you can install virtual machine
from command line
Install virtinst by run,
root@U-HOST:/iso#apt-get
install virtinst
I am going to use a Windows 7 ISO file
where is located at
/iso/Windows.7.SP1.ENG.x86-x64.MAFIAA.iso
Install the Windows 7 Virtual Machine
by running following command,
root@U-HOST:/iso#virt-install
--connect qemu:///system --name=win7vm --ram=2048 --disk
path=/dev/vgpool/win7 --cdrom=/iso/Windows.7.SP1.ENG.x86-x64.MAFIAA.iso --network
bridge=br0,model=virtio --os-type=windows --noautoconsole --graphics
vnc,listen=0.0.0.0,port=5901 –hvm
Starting
install...
Creating
domain...
| 0 B 00:01
Domain
installation still in progress. Waiting for installation to complete.
9.
Install an virtual machine via “Virtual Machine Manager”
You
can install “Virtual Machine Manager” from Ubuntu Software Centre
on a Ubuntu Desktop Then, connect to
In
“Virtual Machine Manager”, go to File -> Add Connection
Type “yes” in following windows
In Nex Window, type in the user's password
After
enter the password, you will see the “win7vm” in “Virtual
Machine Manager”
Double click the virtual machine “win7vm”, it will show you the virtual machine status,
You
can finish the Windows 7 installation by using Virtual Machine
Manager
Convert KVM Qcow2 File to LVM Disk
Following steps involve moving some KVM VMs from file storage to block storage.
This is basically converting the .qcow2 files to LVM LVs. It was surprisingly simple.
1. qemu-img convert disk0.qcow2 -O raw disk0.raw
2. ls -l
-rw-r--r-- 1 user user 44023414784 2011-03-27 09:09 disk.raw
3. lvcreate -L 44023414784b -n lv_disk vgroup
4. dd if=disk.raw of=/dev/vgroup/lv_disk
=============================================================
#Configuration Before:
<disk type='file' device='disk'>
<driver name='qemu' type='qcow2' cache='none'/>
<source file='/srv/virtual/vm_web/tmp5GWO4q.qcow2'/>
<target dev='hda' bus='virtio'/>
</disk>
#Configuration After:
<disk type='block' device='disk'>
<driver name='qemu' type='raw' cache='none'/>
<source dev='/dev/vgroup/lv_disk'/>
<target dev='vda' bus='virtio'/>
</disk>
Monday, May 13, 2013
iPad can join wireless but no internet
Problem:
I can join to my wireless network (says 'connected') on my iPad but cannot load any website. I have confirmed other device join to the same wireless has no problem with browsing internet.
Solution:
Go to "Settings" -> "Wi-Fi" -> Click on the blue '>" arrow where at the end of your Wireless Netowrk Name -> HTTP Proxy (Change Auto to Off)
This will fix the problem for most of the people, enjoy internet!
I can join to my wireless network (says 'connected') on my iPad but cannot load any website. I have confirmed other device join to the same wireless has no problem with browsing internet.
Solution:
Go to "Settings" -> "Wi-Fi" -> Click on the blue '>" arrow where at the end of your Wireless Netowrk Name -> HTTP Proxy (Change Auto to Off)
This will fix the problem for most of the people, enjoy internet!
Saturday, May 11, 2013
How to Change a Degraded Drive with tw_cli commandline?
A failed RAID set looks like this:
dev306:~# /opt/3Ware/bin/tw_cli
//dev306> info c0
Unit UnitType Status %Cmpl Stripe Size(GB) Cache AVerify IgnECC
------------------------------------------------------------------------------
u0 RAID-5 DEGRADED - 256K 1117.56 ON OFF OFF
Port Status Unit Size Blocks Serial
---------------------------------------------------------------
p0 OK u0 372.61 GB 781422768 3PM0Q56Z
p1 OK u0 372.61 GB 781422768 3PM0Q3YY
p2 OK u0 372.61 GB 781422768 3PM0PFT7
p3 DEGRADED u0 372.61 GB 781422768 3PM0Q3B7
Now I will remove this bad disk from
the RAID set:
//dev306> maint remove c0 p3
Exporting port /c0/p3 ... Done.
With the bad disk identified and
replaced, now I need to go back into the 3Ware CLI and find the new disk, then
tell the array to start rebuilding.
dev306:~# /opt/3Ware/bin/tw_cli
//dev306> maint rescan
Rescanning controller /c0 for units and drives ...Done.
Found the following unit(s): [none].
Found the following drive(s): [/c0/p3].
//dev306> maint rebuild c0 u0 p3
Sending rebuild start request to /c0/u0 on 1 disk(s) [3] ... Done.
//dev306> info c0
Unit UnitType Status %Cmpl Stripe Size(GB) Cache AVerify IgnECC
------------------------------------------------------------------------------
u0 RAID-5 REBUILDING 0 256K 1117.56 ON OFF OFF
Port Status Unit Size Blocks Serial
---------------------------------------------------------------
p0 OK u0 372.61 GB 781422768 3PM0Q56Z
p1 OK u0 372.61 GB 781422768 3PM0Q3YY
p2 OK u0 372.61 GB 781422768 3PM0PFT7
p3 DEGRADED u0 372.61 GB 781422768 3PM0Q3B7
Wednesday, May 8, 2013
How to get an inactive RAID device working again?
Problem:
After booting, my RAID1 device (/dev/md_d0 *) sometimes goes in some funny state and I cannot mount it
# mount /opt
mount: wrong fs type, bad option, bad superblock on /dev/md_d0,
missing codepage or helper program, or other error
(could this be the IDE device where you in fact use
ide-scsi so that sr0 or sda or so is needed?)
In some cases useful info is found in syslog - try
dmesg | tail or so
The RAID device appears to be inactive somehow:
# cat /proc/mdstat
Personalities : [linear] [multipath] [raid0] [raid1] [raid6] [raid5]
[raid4] [raid10]
md_d0 : inactive sda4 [0] (S)
241095104 blocks
# mdadm --detail /dev/md_d0
mdadm: md device /dev/md_d0 does not appear to be active.
Resolution:
run,
#mdadm --examine --scan >> /etc/mdadm/mdadm.conf
reboot the machine and you will found /dev/md0 will be active if you run
#cat /proc/mdstat
After booting, my RAID1 device (/dev/md_d0 *) sometimes goes in some funny state and I cannot mount it
# mount /opt
mount: wrong fs type, bad option, bad superblock on /dev/md_d0,
missing codepage or helper program, or other error
(could this be the IDE device where you in fact use
ide-scsi so that sr0 or sda or so is needed?)
In some cases useful info is found in syslog - try
dmesg | tail or so
The RAID device appears to be inactive somehow:
# cat /proc/mdstat
Personalities : [linear] [multipath] [raid0] [raid1] [raid6] [raid5]
[raid4] [raid10]
md_d0 : inactive sda4 [0] (S)
241095104 blocks
# mdadm --detail /dev/md_d0
mdadm: md device /dev/md_d0 does not appear to be active.
Resolution:
run,
#mdadm --examine --scan >> /etc/mdadm/mdadm.conf
reboot the machine and you will found /dev/md0 will be active if you run
#cat /proc/mdstat
Tuesday, May 7, 2013
tw_cli ChatSheet
How do I check the health of my 3ware RAID array under any Linux distribution? How do I access 3ware RAID Array web interface?
You need to download required command line tools from 3ware support web site. You can also find the same on driver cd / floppy disk. For example, I've downloaded a file called tw_cli-linux-x86_64-9.4.1.3.tgz for my 64 bit Linux server from above site. You need to get tool according to your device.
1. First you download "tw_cli" from LSI website -> Support
2. untar the tw_cli-linu.xxxxxxx.tgz
3. find and run "tw_cli" or "tw_cli.x86" or "tw_cli.x86_64", you will enter CLI command line
4. Show raid card information
// localhostname> show
Ctl Model (V)Ports Drives Units NotOpt RRate VRate BBU
------------------------------------------------------------------------
c4 9650SE-8LPML 8 6 1 0 1 1 OK
//localhostname>
5. From above example, your raid card has been detected as c4, to show detail raid information,
//localhostname> /c4 show
Unit UnitType Status %RCmpl %V/I/M Stripe Size(GB) Cache AVrfy
------------------------------------------------------------------------------
u0 RAID-6 OK - - 256K 7450.54 RiW ON
VPort Status Unit Size Type Phy Encl-Slot Model
------------------------------------------------------------------------------
p0 OK u0 1.82 TB SATA 0 - Hitachi HDS722020AL
p1 OK u0 1.82 TB SATA 1 - Hitachi HDS722020AL
p2 OK u0 1.82 TB SATA 2 - Hitachi HDS722020AL
p3 OK u0 1.82 TB SATA 3 - WDC WD2001FASS-00W2
p4 OK u0 1.82 TB SATA 4 - WDC WD2001FASS-00W2
p5 OK u0 1.82 TB SATA 5 - WDC WD2001FASS-00W2
Name OnlineState BBUReady Status Volt Temp Hours LastCapTest
---------------------------------------------------------------------------
bbu On Yes OK OK OK 0 xx-xxx-xxxx
Linux: tar Extract Files
Linux: tar Extract Files
How can I extract or uncompress a file from tar ball downloaded from the Internet under Linux using bash command prompt?
You need to use the tar command to extract files from an archive or to create an archive (also known as tarball). A tarball or an archive is nothing but a single file that contains various individual files. It also includes information which allows your to restore files to their original form by one or more extraction programs such as tar command.
You need to use the tar command to extract files from an archive or to create an archive (also known as tarball). A tarball or an archive is nothing but a single file that contains various individual files. It also includes information which allows your to restore files to their original form by one or more extraction programs such as tar command.
Extract or Unpack a TarBall File
To unpack or extract a tar file, type:
tar -xvf file.tar
To save disk space and bandwidth over the network all files are saved using compression program such as gzip or bzip2. To extract / unpack a .tar.gz (gzip) file, enter (note -z option):
tar -xzvf file.tar.gz
To extract / unpack a .tar.bz2 (bzip2) file, enter (note -j option):
tar -xjvf file.tar.bz2
Where,
- -x : Extract a tar ball.
- -v : Verbose output or show progress while extracting files.
- -f : Specify an archive or a tarball filename.
- -j : Decompress and extract the contents of the compressed archive created by bzip2 program (tar.bz2 extension).
- -z : Decompress and extract the contents of the compressed archive created by gzip program (tar.gz extension).
How Do I Extract A Single File Called foo.txt?
To extract a single file called foo.txt, enter:
tar -xvf file.tar foo.txt tar -xzvf file.tar.gz foo.txt tar -xjvf file.tar.bz2 foo.txt
You can also specify path such as etc/resolv.conf, enter:
tar -xvf file.tar etc/resolv.conf tar -xzvf file.tar.gz etc/resolv.conf tar -xjvf file.tar.bz2 etc/resolv.conf
How Do I Extract a Single Directory Called etc?
To extract a single directory called etc, enter:
tar -xvf file.tar etc tar -xzvf file.tar.gz etc tar -xjvf file.tar.bz2 etc
Sample outputs:
etc/ etc/pulse/ etc/pulse/default.pa etc/pulse/client.conf etc/pulse/daemon.conf etc/pulse/system.pa etc/xml/ etc/xml/docbook-xml.xml.old etc/xml/xml-core.xml etc/xml/catalog etc/xml/catalog.old etc/xml/docbook-xml.xml etc/xml/rarian-compat.xml etc/xml/sgml-data.xml etc/xml/xml-core.xml.old etc/xml/sgml-data.xml.old etc/mail.rc etc/Wireless/ etc/Wireless/RT2870STA/ etc/Wireless/RT2870STA/RT2870STA.dat etc/logrotate.conf etc/compizconfig/ etc/compizconfig/config ..... ... .... etc/python/ etc/python/debian_config etc/ConsoleKit/ etc/ConsoleKit/seats.d/ etc/ConsoleKit/seats.d/00-primary.seat etc/ConsoleKit/run-session.d/ etc/ConsoleKit/run-seat.d/ etc/opt/
Original Post from: http://www.cyberciti.biz/faq/tar-extract-linux/
MegaCli Useful Commands
Here are some useful commands:
View information about the RAID adapter
For checking the firmware version, battery back-up unit presence, installed cache memory and the capabilities of the adapter:
# MegaCli64 -AdpAllInfo -aAll
View information about the battery backup-up unit state
# MegaCli64 -AdpBbuCmd -aAll
View information about virtual disks
Useful for checking RAID level, stripe size, cache policy and RAID state:
# MegaCli64 -LDInfo -Lall -aALL
View information about physical drives
# MegaCli64 -PDList -aALL
Patrol read
Patrol read is a feature which tries to discover disk error before it is too late and data is lost. By default it is done automatically (with a delay of 168 hours between different patrol reads) and will take up to 30% of IO resources.
To see information about the patrol read state and the delay between patrol read runs:
# MegaCli64 -AdpPR -Info -aALL
To find out the current patrol read rate, execute
# MegaCli64 -AdpGetProp PatrolReadRate -aALL
To reduce patrol read resource usage to 2% in order to minimize the performance impact:
# MegaCli64 -AdpSetProp PatrolReadRate 2 -aALL
To disable automatic patrol read:
# MegaCli64 -AdpPR -Dsbl -aALL
To start a manual patrol read scan:
# MegaCli64 -AdpPR -Start -aALL
To stop a patrol read scan:
# MegaCli64 -AdpPR -Stop -aALL
You could use the above commands to run patrol read in off-peak times.
Migrate from one RAID level to another
In this example, I migrate the virtual disk 0 from RAID level 6 to RAID 5, so that the disk space of one additional disk becomes available. The second command is used to make Linux detect the new size of the RAID disk.
# /usr/local/sbin/MegaCli64 -LDRecon -Start -r5 -L0 -a0
# echo 1 > /sys/block/sda/device/rescan
Create a new RAID 5 virtual disk from a set of new hard drives
First we need to now the enclosure and slot number of the hard drives we want to use for the new RAID disk. You can find them out by the first command. Then I add a virtual disk using RAID level 5, followed by the list of drives I want to use, specified by enclosure:slot syntax.
# MegaCli64 -PDList -aALL | egrep 'Adapter|Enclosure|Slot|Inquiry'
# MegaCli64 -CfgLdAdd -r5'[252:5,252:6,252:7]' -a0
View reconstruction progress
When reconstructing a RAID array, you can check its progress with this command.
# MegaCli64 -LDRecon ShowProg L0 -a0
(replace L0 by L1 for the second virtual disk, and so on)
Configure write-cache to be disabled when battery is broken
# MegaCli64 -LDSetProp NoCachedBadBBU -LALL -aALL
Change physical disk cache policy
If your system is not connected to a UPS, you should disable the physical disk cache in order to prevent data loss.
# MegaCli -LDGetProp -DskCache -LAll -aALL
To enable it (only do this if you have a UPS and redundant power supplies):
# MegaCli -LDGetProp -DskCache -LAll -aALL
megactl
Despites megasasctl doesn't seem to work with recent cards, you should really give it a try.
Print current controller status:
server:~# megasasctl
a0 PERC 5/i Integrated encl:1 ldrv:1 batt:good
a0d0 136GiB RAID 1 1x2 optimal
a0e8s0 136GiB a0d0 online
a0e8s1 136GiB a0d0 online
[root@server ~]# megasasctl
a0 PERC 5/i Integrated encl:1 ldrv:2 batt:good
a0d0 67GiB RAID 1 1x2 optimal
a0d1 836GiB RAID 5 1x4 optimal
a0e8s0 68GiB a0d0 online
a0e8s1 68GiB a0d0 online
a0e8s2 279GiB a0d1 online
a0e8s3 279GiB a0d1 online
a0e8s4 279GiB a0d1 online
a0e8s5 279GiB a0d1 online
[root@server ~]# megasasctl
a0 PERC 6/i Integrated encl:1 ldrv:1 batt:good
a0d0 1861GiB RAID 6 1x6 optimal
a0e32s0 465GiB a0d0 online
a0e32s1 465GiB a0d0 online
a0e32s2 465GiB a0d0 online
a0e32s3 465GiB a0d0 online
a0e32s4 465GiB a0d0 online
a0e32s5 465GiB a0d0 online
server:~# megaraidsas-status
-- Arrays informations --
-- ID | Type | Size | Status
a0d0 | RAID 1 | 136GiB | optimal
-- Disks informations
-- ID | Model | Status | Warnings
a0e8s0 | SEAGATE ST3146854SS 136GiB | online
a0e8s1 | SEAGATE ST3146854SS 136GiB | online
[root@server ~]# megaraidsas-status
-- Arrays informations --
-- ID | Type | Size | Status
a0d0 | RAID 1 | 67GiB | optimal
a0d1 | RAID 5 | 836GiB | optimal
-- Disks informations
-- ID | Model | Status | Warnings
a0e8s0 | FUJITSU MBA3073RC 68GiB | online
a0e8s1 | FUJITSU MBA3073RC 68GiB | online
a0e8s2 | SEAGATE ST3300656SS 279GiB | online
a0e8s3 | SEAGATE ST3300656SS 279GiB | online
a0e8s4 | SEAGATE ST3300656SS 279GiB | online
a0e8s5 | SEAGATE ST3300656SS 279GiB | online
[root@server ~]# megaraidsas-status
-- Arrays informations --
-- ID | Type | Size | Status
a0d0 | RAID 6 | 1861GiB | optimal
-- Disks informations
-- ID | Model | Status | Warnings
a0e32s0 | SEAGATE ST3500620SS 465GiB | online
a0e32s1 | SEAGATE ST3500620SS 465GiB | online
a0e32s2 | SEAGATE ST3500620SS 465GiB | online
a0e32s3 | SEAGATE ST3500620SS 465GiB | online
a0e32s4 | SEAGATE ST3500620SS 465GiB | online
a0e32s5 | SEAGATE ST3500620SS 465GiB | online
How to unzip a file in Ubuntu?
First, move your *.zip file into the destination_folder
#unzip file.zip destination_folder
Example,
#unzip campfire_1.45.zip /usr/campfire_1.45/
If unzip in not installed,
#apt-get install unzip
#unzip file.zip destination_folder
Example,
#unzip campfire_1.45.zip /usr/campfire_1.45/
If unzip in not installed,
#apt-get install unzip
Friday, May 3, 2013
Ubuntu apt-get update error 404 Not Found
All you need to do to resolve this problem is to modify your /etc/apt/sources.list file. replace any lines like below,
All that's happened is that the installed ubuntu version has fallen out of support, so you need to point your apt sources at the old-releases repo. The file shown just has the original sources commented out and a new old-releases.ubuntu.com location added in.
All the other forum posts about moving sources.llist around, running sed commands against your sources and all that junk doesn't work, or at least didn't for me.. I don't even see that the sed replacement would have replaced anything in my case..
deb http://us.archive.ubuntu.com/ubuntu/ precise universe
deb-src http://us.archive.ubuntu.com/ubuntu/ precise universe
deb http://us.archive.ubuntu.com/ubuntu/ precise-updates universe
deb-src http://us.archive.ubuntu.com/ubuntu/ precise-updates universe
deb http://security.ubuntu.com/ubuntu precise-security main restricted
deb-src http://security.ubuntu.com/ubuntu precise-security main restricted
deb http://security.ubuntu.com/ubuntu precise-security universe
to
deb http://old-releases.ubuntu.com/ubuntu/ precise universe
deb-src http://old-releases.ubuntu.com/ubuntu/ precise universe
deb http://old-releases.ubuntu.com/ubuntu/ precise-updates universe
deb-src http://us.archive.ubuntu.com/ubuntu/ precise-updates universe
deb http://old-releases.ubuntu.com/ubuntu precise-security main restricted
deb-src http://old-releases.ubuntu.com/ubuntu precise-security main restricted
deb http://old-releases.ubuntu.com/ubuntu precise-security universeAll that's happened is that the installed ubuntu version has fallen out of support, so you need to point your apt sources at the old-releases repo. The file shown just has the original sources commented out and a new old-releases.ubuntu.com location added in.
All the other forum posts about moving sources.llist around, running sed commands against your sources and all that junk doesn't work, or at least didn't for me.. I don't even see that the sed replacement would have replaced anything in my case..
MegaCli Ubuntu
1. modify /etc/opt/sources.list
2. Find a line says "deb http://hwraid.le-vert.net/ubuntu precise main" and uncommaned
3. run,
#apt-get update
4. run,
#apt-get install megacli megaclisas-status megactl megaraid-status
5. megacli -PDList -aALL
More command in the following url
https://supportforums.cisco.com/docs/DOC-16309
2. Find a line says "deb http://hwraid.le-vert.net/ubuntu precise main" and uncommaned
3. run,
#apt-get update
4. run,
#apt-get install megacli megaclisas-status megactl megaraid-status
5. megacli -PDList -aALL
More command in the following url
https://supportforums.cisco.com/docs/DOC-16309
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