Linux
Tutorials and tips on Linux system configuration and administration, and software for Linux systems.
A HTML version Linux man pages:
http://fclose.com/p/linux/man/
The man pages in this site is updated to Nov 17, 2010 from Fedora 12. read more »
How to configure NetworkManager to connect to sMobileNet in HKUST is introduced in this post.
The wireless network connection configuration for sMobileNet in NetworkManager
The SSID is “sMobileNet”
Wireless security is “WPA & ... read more »
Port forwarding (or tunnelling) is a method to forward one network traffic to another. We will introduce how to forward ports using SSH tunnel in this post.
A simple example
Let’s start ... read more »
lftp some times stalls with message “Making data connection” when “ls” the directory after logged in the ftp site. The message may appear like this:
< --- 227 Entering Passive Mode ... read more »
Taking screenshots in mplayer is simple. mplayer can also take continuous snapshots.
Enable screenshot filter
When we want to take screenshots when playing video, first we need to set the “-vf screenshot” ... read more »
Compress/uncompress files are frequent operations. The normal tools for compressing/uncompressing in Linux is gzip, bzip2, 7z, rar and zip. This post introduces how to compress and uncompress file in Linux ... read more »
How to find out Linux and Windows uptime is introduced in this post.
Linux uptime
Linux uptime can be easily found out by the uptime command:
$ uptime
22:19:29 up 10 days, 22:26, 5 ... read more »
This posts list benchmark (using bonnie++) result of I/O performance of Xen LVM and loopback backed VBDs.
The configuration of machines
Dom0
VCPU: 2 (Intel(R) Xeon(R) CPU E5520 @ 2.27GHz)
Memory: 2GB
Xen and Linux ... read more »
This is a introduction to *nix’s process management tools: pkill and pgrep. As this site’s domain name was pkill.info, a introduction to pkill should exist here.
NAME
pgrep, pkill – look up ... read more »
LVM’s snapshot feature enables us to duplicate an LVM backed Xen DomU in seconds inside of the same volume group. When we want to duplicate LVM backed Xen DomU from ... read more »
How to create a LVM group from two hard disk partitions is introduced in this post.
Assume we have installed two hard disks /dev/sdb and /dev/sdc to the server, our task ... read more »
LVM’s snapshot feature enables us to duplicate an LVM backed Xen DomU in seconds rather than minutes. We no longer need to copy the entire file system image like backing ... read more »
If /etc/fstab file is created with errors or the hardware configuration changes such as adding hard disks, Linux will boot into failure state. We can bypass the fstab failure by ... read more »
The firmware version can be easily checked out in Linux by dmidecode, a tool to locate the computer’s Desktop Management Interface (DMI) table and dump the content to human-readable content. ... read more »
There are funny Gnome easter eggs. One is “free the fish”, and another one is “gegls from outer space”.
“free the fish”
Press Alt+F2 to open “Run Application” dialog
Enter “free the fish”
Hit ... read more »
Please refer to
Xen solution
for the more latest stable Xen Dom0 solution.
How to set up Xen Dom0 with Xenified Linux kernel in Fedora 12 will be introduced in this post. We ... read more »
Please refer to
Xen solution
for the latest stable Xen Dom0 solution.
How to set up Xen Dom0 with Xenified Linux kernel in Fedora 12 will be introduced in this post. We use ... read more »
We may need to install some old packages such as the kernel in our Linux box. Let’s use installing a older version of Linux kernel in Fedora as the example ... read more »