Some times you need to know the device node identifier. e.g. /dev/sda1, a partition UUID, a partition label or partition type (ntfs,fat32 etc). By using the following command you can see all the relevant information about your partitions.
Open a Terminal
$ sudo blkid -c /dev/null
sample output
/dev/sda1: UUID="D8C0A470C0A45692" TYPE="ntfs"
/dev/sda5: LABEL="Ddrive" UUID="FA0C1D8C0C1D44D3" TYPE="ntfs"
/dev/sda6: UUID="1ccc38e0-5981-438b-adc0-d90301eee022" TYPE="ext4"
/dev/sda7: UUID="03a0bd37-b163-49a2-b1a9-33017d764ba8" TYPE="swap"
/dev/sda8: LABEL="ibex" UUID="61f6b15b-8be8-43d8-904f-4e599b608994" SEC_TYPE="ext2" TYPE="ext3"
/dev/sda9: UUID="3b70839c-525c-490c-9892-791a539b3005" SEC_TYPE="ext2" TYPE="ext3"
/dev/sda10: LABEL="EDrive" UUID="E8B8420AB841D7A8" TYPE="ntfs"
/dev/ramzswap0: TYPE="swap"
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Tuesday, December 13, 2011
Monday, December 12, 2011
How to Monitor Realtime Network Traffic in Ubuntu / Debian Linux
Here you can see How to Monitor Realtime Incoming Network Traffic in Ubuntu / Debian Linux with simple Utility IFSTAT
How to Install ifstat
Open a terminal
How to run
How to Install ifstat
Open a terminal
$ sudo apt-get install ifstat
How to run
$ ifstat
output
eth0 eth1
KB/s in KB/s out KB/s in KB/s out
4.67 5.21 3.67 5.05
3.93 4.59 0.38 0.74
3.93 4.59 6.19 8.30
3.93 4.59 3.03 4.33
Labels:
networking,
Tips and Tricks
Thursday, December 8, 2011
sudo with out asking password in Ubuntu / Debian Linux
How to sudo with out asking password in Ubuntu / Debian Linux
open a terminal
$ sudo visudo
Now Add this line at the end (change “panayara” to your username):
panayara ALL=(ALL) NOPASSWD: ALL
Ctrl-X to leave, save your changes, and you're done!
Wednesday, December 7, 2011
What are seven fields in the Ubuntu Linux Password file
What are seven fields in the /etc/passwd file (Ubuntu Linux Password file)
1 2 3 4 5 6 7
1 2 3 4 5 6 7
username:x:UID:GID:comment:home directory:shell
"username" is login name.
"x" is link of password.
"UID" stands for userID.
"GID" stands for groupID.
"username" is login name.
"x" is link of password.
"UID" stands for userID.
"GID" stands for groupID.
Tuesday, December 6, 2011
Common Filesystem Types used in Ubuntu / Debian Linux
Filesystem Types
* The most common filesystem types are:
ext2,ext3,ext4 The standard Linux filesystems
iso9660 The filesystem used on CD-ROMs
proc Not a real filesystem, so uses none as the device.
Used as a way for the kernel to report system information to user processes
Sysfs exports information about devices and drivers from the kernel device model to user space
vfat The filesystem used by Windows 95
auto Not a real filesystem type. Used as a way of asking the mount command to probe for various
filesystem types, particularly for removable media
ReiserFS is a general-purpose, journaled computer file system designed and implemented by a team at
Namesys led by Hans Reiser
tmpfs is a common name for a temporary file storage facility on many Unix-like operating systems
usbfs USB Device Filesystem.
Networked filesystems include
nfs (Unix-specific)
smbfs (Windows or Samba)
* The most common filesystem types are:
ext2,ext3,ext4 The standard Linux filesystems
iso9660 The filesystem used on CD-ROMs
proc Not a real filesystem, so uses none as the device.
Used as a way for the kernel to report system information to user processes
Sysfs exports information about devices and drivers from the kernel device model to user space
vfat The filesystem used by Windows 95
auto Not a real filesystem type. Used as a way of asking the mount command to probe for various
filesystem types, particularly for removable media
ReiserFS is a general-purpose, journaled computer file system designed and implemented by a team at
Namesys led by Hans Reiser
XFS is a journaling filesystem, developed by SGI
JFS is a journaling filesystem, developed by IBM
tmpfs is a common name for a temporary file storage facility on many Unix-like operating systems
usbfs USB Device Filesystem.
Networked filesystems include
nfs (Unix-specific)
smbfs (Windows or Samba)
Sunday, December 4, 2011
List of Server applications you can run in Ubuntu / Debian Linux
Name of some Server applications you can run in Ubuntu / Debian Linux
wu-ftpd — ftp server
vsftpf ---- ftp server
samba -- windows file sharing
And more............
apache — Web server
boa — lightweight Web server
sshd — ssh server
sendmail — mail server
qmail — mail server
postfix — mail server
named — DNS server
sshd — ssh server
sendmail — mail server
qmail — mail server
postfix — mail server
named — DNS server
bind --- DNS Server
squid — Web proxy server
nessusd — penetration testing server
postgresql — database server
mysql — database server
oracle — database server
telnet — telnet serversquid — Web proxy server
nessusd — penetration testing server
postgresql — database server
mysql — database server
oracle — database server
wu-ftpd — ftp server
vsftpf ---- ftp server
samba -- windows file sharing
And more............
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