你查看的存档文件来自 February, 2008.
Posted 11 months, 1 week ago at 11:32 am. 1 comment
在 Amule 设置 服务器 中，选择 启动后自动更新服务器列表，打开列表，粘贴下面的服务器地址。
http://www.gruk.org/server.met.gz
http://corpo.free.fr/server.met
http://www.emule-inside.net/nodes.dat
http://renololo1.free.fr/e/nodes.dat
这是从 Emule 导出的静态服务器地址
222.186.190.17:4099,1,VC.eserver.ZJ
222.186.190.39:4069,1,VC.eserver.SZ
62.241.53.17:4242,1,DonkeyServer No3
62.241.53.16:4242,1,DonkeyServer No2
62.241.53.2:4242,1,DonkeyServer No1
194.213.0.30:3306,1,Byte Devils
194.213.0.20:3306,1,Byte Devils
85.17.7.166:4647,0,珄 SexyBitch }
212.112.243.146:4661,0,www.UseNeXT.to
80.190.240.125:4661,0,www.UseNeXT.info
84.16.255.24:4661,0,www.arschabwischen.de
64.27.18.169:15644,0,TRIPtoFAN NoW
66.135.33.36:8460,0,Tiberium big file store
83.149.116.231:4242,0,The Matrix
66.135.34.198:8270,0,Sexe telecharger DOWNLOAD
85.17.52.92:5000,0,Razorback 3.0
61.145.112.13:3721,0,Popgo Anime Server
87.239.51.126:6000,0,Nederlands Geslacht
66.135.32.97:5660,0,manni’s server
208.53.147.27:7366,0,Main Movie Server
208.68.235.101:46969,0,Fuck Buddies
62.241.53.15:4242,0,DonkeyServer No6
62.241.53.4:4242,0,DonkeyServer No5
62.241.53.3:4242,0,DonkeyServer No4
58.65.232.25:12345,0,China Power
194.213.0.10:3306,0,Byte Devils
80.239.200.108:3000,0,BiG BanG 9
80.239.200.107:3000,0,BiG BanG 8
80.239.200.106:3000,0,BiG BanG 7
80.239.200.105:3000,0,BiG BanG 6
80.239.200.104:3000,0,BiG BanG 5
80.239.200.103:3000,0,BiG BanG 4
80.239.200.102:3000,0,BiG BanG 3
80.239.200.101:3000,0,BiG BanG 2
80.239.200.110:3000,0,BiG BanG 11
80.239.200.109:3000,0,BiG BanG 10
80.239.200.99:3000,0,BiG BanG 1
85.17.7.135:3210,0,>>>> The Sex Hill <<<<
85.17.7.166:2121,0,-= SexMachine =-
64.69.34.162:8344,0,###BIG KAJUNA###
193.138.231.210:4242,0,# eMule Serverlist Nr.2 #
193.138.221.213:4242,0,# eMule Serverlist Nr.1 #
83.149.101.91:4321,0,!-= www.FreeSexBay.com =-! Behemoth
83.149.102.1:4242,0,!-= www.FreeSexBay.com =-!
83.149.117.56:4321,0,!-= www.FreeSexBay.com =-!
83.149.123.189:4321,0,!-= www.FreeOsex.com =-!
83.149.123.188:4321,0,!-= www.FreeOsex.com =-!
193.138.221.214:4242,0,!! Saugstube !!
85.17.56.21:4444,0,! . Much More Sex . !
83.149.98.16:4242,0,! + + + ( Fuck For Free ) + + + !
194.30.160.81:4661,0,! + + + ( Ifreesex.net >> Sex World wide for free +++!
66.90.73.253:8899,0,! + + + ( Ifreesex.net >> Sex World wide for free +++!
194.30.160.41:4661,0,! + + + ( Ifreesex.net >> check our servers info +++!
85.17.56.8:4000,0,! * * * HOT SEX * * * !
首先要安装 aMule，现在 aMule 已经是 GTK 2 界面了，很漂亮，中文支持也很好。安装之后，设置昵称为 [CHN][VeryCD]xxxx，然后服务器设置为：
名称：DonkeyServer No1 地址：62.241.53.2:4242
其他的服务器还有：
名称：华语P2P源动力 地址：61.152.93.254:4661
名称：Razorback 2 地址：195.245.244.243:4661
然后设置 firefox 和 opera。
firefox：
在地址栏中键入：about:config，打开配置页。右键点击配置列表，创建“布尔”项 network.protocol-handler.external.ed2k，值为 true，然后在创建一个“字符串”项 network.protocol-handler.app.ed2k，值为 /usr/bin/ed2k.amule。这样就可以了。
opera：
在菜单->工具->首选项->高级->程序->选择其他协议的帮手程序中，添加一项，协议为 ed2k，程序为 /usr/bin/ed2k.amule。这样就可以了。
via http://hi.baidu.com/pyromania/blog/item/e6a085d66b94152e06088b7c.html
Popularity: 38% [?]
Tags:
amule,
p2p
Posted 11 months, 1 week ago at 11:32 am. 0 comments
linuxtoy 的这篇scrot 从入门到精通很详细，不错。截取全屏直接用 print 键就可以了，当前窗口 alt+print，我需要的截取选择区域。这是我建立的启动器命令
scrot -q1 -s -e’mv $f ~/Desktop/screenshots/’
-q1 图片压缩比最大
-s 截取指定区域
-e’mv $f xxx’ 截屏文件移动到 xxx 目录
我试验了一下 -q1 和 -q100，区别的确很大（q1 205k;q75 默认值 235k；q100 要2M多）。但 png 本来就是无损压缩，所以用 q1 文件尺寸更小，何乐而不为呢？
相关日志：
Linux 截（抓）屏方法总结
Popularity: 10% [?]
Tags:
scrot
Posted 11 months, 1 week ago at 11:32 am. 0 comments
ubuntu 下的媒体波方中心。官方站点下载太慢
LinuxMCE installer: http://www.neversfw.com/linux/mce-in…0.0-1_i386.deb
ISO Mirror 1: http://www.neversfw.com/linux/linuxMCE.iso
ISO Mirror 2: http://www.robogoat.com/rampage/linuxmce/linuxMCE.iso
Torrent File: http://torrents.thepiratebay.org/364…55.TPB.torrent
更多下载地址：
http://wiki.linuxmce.com/index.php/Mirrors
用 azureus 下载的时候，老是异常退出，报告java错误
An unexpected error has been detected by HotSpot Virtual Machine
重新选择 java 环境即可。
sudo update-alternatives –config java
选gij
Popularity: 11% [?]
Tags:
linux
Posted 11 months, 1 week ago at 11:32 am. 0 comments
方法很多，原文在 Random Wallpaper in Gnome，部分内容如下：
wordpress.com 国内被封，可以参看 google cache 的 Random Wallpaper in Gnome 页面
Change Wallpaper from Gnome Hacks : This one can use a random image from a folder you specify or download random wallpapers on the fly from the art.gnome.org website and use that.
Linux Desktop Hacks changer : This is highly recommended for those of you who want to understand what is going on, since it includes comments in the article to explain how it all works. Needs a cron job to be setup, like most others in this list.
Davyd’s Python Script : Short and sweet python script - picks images from a folder/directory. Needs cronjob.
Richi’s adaptation that uses the .gnome2/backgrounds.xml file: An adaptation of Davyd’s script that changes the wallpaper by editing the .gnome2/backgrounds.xml file. Different strokes for different folks!
Tomasz’ Random Wallpaper Changer: Choice is great! One more variation on the theme.
Gnome Background Changer: It uses the picture list defined in “Change Desktop Background / Desktop Background Preferences” dialog (in ~/.gnome2/backgrounds.xml) or you can specify a directory with pictures in it. You can define how long a picture will be shown before the background is changed. This script is made to run in the background indefinitely (until you log out), so it should be put into the background when started from the shell (gbchange &) or better be started from GNOME’s session management.
You can also use $sudo apt-get install wallpaper-tray to install a wallpaper changer from the command line. This will install wallpaper tray, but be warned it does not work too well with Edgy.
If you need the background changed each time you start a new session (that is, log on, for us non-geek folks), then use a script from above, and add it, after you have edited it to add the right directory etc, and ensuring it works to “System->Preferences->Sessions->Startup Programs”, and you’re all set.
I should think the gnome folks should include a tool to use a random background by default. Maybe it is just that none of the gnome desktop maintainers have are addicted to colorful backgrounds yet 
相关日志：
webilder - ubuntu 墙纸自动换
Desktop Drapes － GNOME 的桌面墙纸自动更换软件
Popularity: 9% [?]
Tags:
gnome
Posted 11 months, 1 week ago at 11:32 am. 0 comments
关于 mplayer,mencoder,ffmpeg 视频操作的一些资料，不错，有时间一一测试。
http://www.fwolf.com/blog/post/251
Popularity: 17% [?]
Tags:
decode,
mplayer
Posted 11 months, 1 week ago at 11:32 am. 0 comments
Screen 操作快捷键
* ctrl-a c：创建一个新的 Shell
* ctrl-a ctrl-a：在 Shell 间切换
* ctrl-a n：切换到下一个 Shell
* ctrl-a p：切换到上一个 Shell
* ctrl-a 0…9：同样是切换各个 Shell
* ctrl-a d：退出 Screen 会话
via Screen：Shell 孵化器
Popularity: 9% [?]
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screen
Posted 11 months, 1 week ago at 11:32 am. 0 comments
Linux系统是一个多用户多任务的分时操作系统，任何一个要使用系统资源的用户，都必须首先向系统管理员申请一个账号，然后以这个账号的身份进入系统。用户的账号一方面可以帮助系统管理员对使用系统的用户进行跟踪，并控制他们对系统资源的访问；另一方面也可以帮助用户组织文件，并为用户提供安全性保护。每个用户账号都拥有一个惟一的用户名和各自的口令。用户在登录时键入正确的用户名和口令后，就能够进入系统和自己的主目录。
实现用户账号的管理，要完成的工作主要有如下几个方面：
· 用户账号的添加、删除与修改。
· 用户口令的管理。
· 用户组的管理。
一、Linux系统用户账号的管理
用户账号的管理工作主要涉及到用户账号的添加、修改和删除。添加用户账号就是在系统中创建一个新账号，然后为新账号分配用户号、用户组、主目录和登录Shell等资源。刚添加的账号是被锁定的，无法使用。
1、添加新的用户账号使用useradd命令，其语法如下：
useradd 选项 用户名
其中各选项含义如下：
-c comment 指定一段注释性描述。
-d 目录 指定用户主目录，如果此目录不存在，则同时使用-m选项，可以创建主目录。
-g 用户组 指定用户所属的用户组。
-G 用户组，用户组 指定用户所属的附加组。
-s Shell文件 指定用户的登录Shell。
-u 用户号 指定用户的用户号，如果同时有-o选项，则可以重复使用其他用户的标识号。
用户名 指定新账号的登录名。
2、例子说明
例1：
# useradd –d /usr/sam -m sam
此命令创建了一个用户sam，其中-d和-m选项用来为登录名sam产生一个主目录/usr/sam（/usr为默认的用户主目录所在的父目录）。
例2：
# useradd -s /bin/sh -g group –G adm,root gem
此命令新建了一个用户gem，该用户的登录Shell是/bin/sh，它属于 group用户组，同时又属于adm和root用户组，其中group用户组是其主组。这里可能新建组：#groupadd group及groupadd adm.增加用户账号就是在/etc/passwd文件中为新用户增加一条记录，同时更新其他系统文件如/etc/shadow, /etc/group等。Linux提供了集成的系统管理工具userconf，它可以用来对用户账号进行统一管理。
3、删除帐号
如果一个用户的账号不再使用，可以从系统中删除。删除用户账号就是要将/etc/passwd等系统文件中的该用户记录删除，必要时还删除用户的主目录。删除一个已有的用户账号使用userdel命令，其格式如下：
userdel 选项 用户名
常用的选项是-r，它的作用是把用户的主目录一起删除。
例如：
# userdel sam
此命令删除用户sam在系统文件中（主要是/etc/passwd, /etc/shadow, /etc/group等）的记录，同时删除用户的主目录。
4、修改帐号
修改用户账号就是根据实际情况更改用户的有关属性，如用户号、主目录、用户组、登录Shell等。
修改已有用户的信息使用usermod命令，其格式如下：
usermod 选项 用户名
常用的选项包括-c, -d, -m, -g, -G, -s, -u以及-o等，这些选项的意义与useradd命令中的选项一样，可以为用户指定新的资源值。另外，有些系统可以使用如下选项：
-l 新用户名
这个选项指定一个新的账号，即将原来的用户名改为新的用户名。
例如：
# usermod -s /bin/ksh -d /home/z –g developer sam
此命令将用户sam的登录Shell修改为ksh，主目录改为/home/z，用户组改为developer。
5、用户口令的管理
用户管理的一项重要内容是用户口令的管理。用户账号刚创建时没有口令，但是被系统锁定，无法使用，必须为其指定口令后才可以使用，即使是指定空口令。
指定和修改用户口令的Shell命令是passwd。超级用户可以为自己和其他用户指定口令，普通用户只能用它修改自己的口令。命令的格式为：
passwd 选项 用户名
可使用的选项：
-l 锁定口令，即禁用账号。
-u 口令解锁。
-d 使账号无口令。
-f 强迫用户下次登录时修改口令。
如果默认用户名，则修改当前用户的口令。
例如，假设当前用户是sam，则下面的命令修改该用户自己的口令：
$ passwd
Old password:******
New password:*******
Re-enter new password:*******
如果是超级用户，可以用下列形式指定任何用户的口令：
# passwd sam
New password:*******
Re-enter new password:*******
普通用户修改自己的口令时，passwd命令会先询问原口令，验证后再要求用户输入两遍新口令，如果两次输入的口令一致，则将这个口令指定给用户；而超级用户为用户指定口令时，就不需要知道原口令。
为了系统安全起见，用户应该选择比较复杂的口令，例如最好使用8位长的口令，口令中包含有大写、小写字母和数字，并且应该与姓名、生日等不相同。
为用户指定空口令时，执行下列形式的命令：
# passwd -d sam
此命令将用户sam的口令删除，这样用户sam下一次登录时，系统就不再询问口令。passwd命令还可以用-l(lock)选项锁定某一用户，使其不能登录，例如：
# passwd -l sam
via Shell基础–Linux的用户和用户组管理
相关资料：
Linux的用户和用户组管理
Popularity: 10% [?]
Tags:
right
Posted 11 months, 1 week ago at 11:32 am. 0 comments
sudo ln -s /tmp/.esd-1000/socket /tmp/.esd/socket
关掉所有的firefox 重启
查看 /tmp 目录，打开隐藏文件显示，新建 .esd 目录（拷贝改名）
Popularity: 18% [?]
Tags:
flash
Posted 11 months, 1 week ago at 11:32 am. 0 comments
mac 虚拟机安装ubuntu
ubuntu wine+photoshop
Popularity: 12% [?]
Tags:
ubuntu
Posted 11 months, 1 week ago at 11:32 am. 0 comments
Lets start first with the kernel:
apt-get install build-essential libncurses-dev kernel-package
cd /usr/src
wget http://www.kernel.org/pub/linux/kernel/v2.6/linux-2.6.20.tar.bz2
This will download the latest sources available, in my case linux-2.6.20.tar.bz2
cd /usr/src
tar -xjf linux-2.6.20.tar.bz2
cd linux-2.6.20
Now lets apply the Con Kolivas patches, these are patches designed to improve system responsiveness with specific emphasis on the desktop, but suitable to any workload.
wget www.kernel.org/pub/linux/kernel/people/ck/patches/2.6/2.6.20/2.6.20-ck1/patch-2.6.20-ck1.bz2
bzcat patch-2.6.20-ck1.bz2 |patch -p1
Copy the current kernel config and configuring the kernel
cp /boot/config-`uname -r` .config
make menuconfig
In “General Setup” activate:
- Support for paging of anonymous memory (swap)
- Support for prefetching swapped memory
In “Processor type and features”:
- Processor family Choose the model of your processor.
- set Preemption Model to Voluntary Kernel Preemption (Desktop)
- High Memory Support
- off - if you have less than 1 GB of RAM
- 1GB Low Memory Support - if you have 1GB of RAM
- 4GB - if you have more than 1GB of RAM
- set Timer frequency to 1000 Hz
In “Kernel hacking” uncheck “Kernel debugging”.
Now exit and save the configuration.
Making the new kernel package:
make-kpkg -initrd –revision=LinuxMonitor1 kernel_image kernel_headers modules_image
Installing the new kernel
dpkg -i *.deb
HDParm
sudo gedit /etc/hdparm.conf
at the bottom add:
/dev/hda {
dma = on
io32_support = 1
}
/dev/cdroms/cdrom0 {
dma = on
interrupt_unmask = on
io32_support = 0
}
Concurrent Booting
Concurrent booting allows Ubuntu to take advantage of dual-core processors, as well as processors that hyperthread or multithread or what ever the different companies call it now.
sudo gedit /etc/init.d/rc
Look through the file and you will find CONCURRENCY=none.
You must change it to: CONCURRENCY=shell
Prelink
Disclaimer: Prelinking might break your system! Only consider for use if you can risk the chance that your install might mess up. Most of all make sure that it gets to run the whole thing through the first time you prelink. Stopping in the middle can lead to system failure. Prelinking is a powerful device and needs to be used with care.
Prelink is no longer necessary in Feisty. Feisty uses a new linking mechanism called DT_GNU_HASH which dramatically speeds up the linking process without the need for continuously running this prelink program. Again, prelink is NOT useful starting from Feisty
How to enable prelink
1. Activate Ubuntu universe sources
2. Put this command into terminal to install Prelink:
sudo apt-get install prelink
3. Now put this command into the terminal:
sudo gedit /etc/default/prelink
4. Change where it says “PRELINKING=unknown” from unknown to “yes”
5. Adjust the other options if you know what the heck you’re doing. If it looks foreign to you, the defaults work well.
6. To start the first prelink (the longest one!), put this in terminal:
sudo /etc/cron.daily/prelink
Automatic Prelinking After Program Are Installed
One problem with prelinking in that when you install new programs those programs are not prelinked. So to avoid this problem when installing programs with apt-get or synaptic, use the directions below.
1. Put this in terminal:
sudo gedit /etc/apt/apt.conf
2. When the file opens in Gedit, put this line at the end of the file and save (even if the file has no content before you add the line):
DPkg::Post-Invoke {”echo Running prelink, please wait…;/etc/cron.daily/prelink”;}
General Notes About Prelinking
In the future, prelink performs a quick prelink (a less-than-1-minute procedure on most systems) daily, usually at midnight. Every 14 days, or whatever you changed it to be, a full prelink will run.
If you just did a major apt-get upgrade that changed systemwide libraries (i.e. libc6, glibc, major gnome/X libs, etc etc etc) and experience cryptic errors about libs, rerun step 6.
To undo prelink, change step 4 from yes to no, then rerun step 6.
Prelinking will make the binaries it prelinks change, so it’s not appropriate if you have tripwire or another checksum-based IDS system, or if you do incremental or differential backups to save on space.
Services
*Note you might not have all these services on your box.
To enable/disable services go to System -> Administration -> Services
1. acpi-support - leave it on.
2. acpid - The acpi daemon. These two are for power management, quite important for laptop and desktop computers, so leave them on.
3. alsa - If you use alsa sound subsystem, yes leave it on. But if you have the service below, its safe to be off. The default is off when alsa-utils is on.
4. alsa-utils - On my system, this service supercedes the alsa, so I turn off the alsa and turn this on at S level.
5. anacron - A cron subsystem that executes any cron jobs not being executed when the time is on. Most likely you’ve probably turned your computer off when a certain cron job time is ready. For example, updatedb is scheduled at 2am everyday, but at that moment, you computer is off, then if anacron service is on, it will try to catch up that updatedb cron.
6. apmd - If you computer is not that old which can’t even support acpi, then you may try to turn this off.
7. atd - like cron, a job scheduler. I turned it off.
8. binfmt-support - Kernel supports other format of binary files. I left it on.
9. bluez-utiles - I turned it off. I don’t have any bluetooth devices.
10. bootlogd - Leave it on.
11. cron - Leave it on.
12. cupsys - subsystem to manager your printer. I don’t have one so I turned it off, but if you do, just leave it on.
13. dbus - Message bus system. Very important, leave it on.
14. dns-clean - Mainly for cleaning up the dns info when using dial-up connection. I don’t use dial up, so I turn it off.
15. evms - Enterprise Volumn Management system. I turned it off.
16. fetchmail - A mail receving daemon. I turned it off.
17. gdm - The gnome desktop manager. I turned it off anyway since I get use to boot to console first. This is up to you if you want to boot directly to GUI.
18. gdomap - You can turn it off.
19. gpm - Mouse support for console. If you feel you’d better have a mouse on console, go turn it on.
20. halt - Don’t change it.
21. hdparm - tuning harddisk script, should be on.
22. hibernate - If your system support hibernate, leave it on. Otherwise, its useless for you.
23. hotkey-setup - This daemon setup some hotkey mappings for Laptop. Manufacturers supported are: HP, Acer, ASUS, Sony, Dell, and IBM. If you have a laptop in those brands, you can leave it on, otherwise, this might not have any benefits for you.
24. hotplug and hotplug-net - activating hotplug subsystems takes time. I’d consider to turn them off.
25. hplip - HP printing and Image subsystem. I turned it off.
26. ifrename - network interface rename script. Sounds pretty neat but I turned it off. Mainly for managing multiple network interfaces names. Since I have a wireless card and an ethernet card, they all assigned eth0 and ath0 from kernel, so its not really useful for me.
27. ifupdown and ifupdown-clean - Leave it on. They are network interfaces activation scripts for the boot time.
28. inetd or inetd.real - take a look your /etc/inetd.conf file and comment out any services that you don’t need.
29. klogd - Leave it on.
30. laptop-mode - A service to tweak the battery utilization when using laptops. You can leave it on.
31. linux-restricted-modules-common - You need to see if you really have any restricted modules loaded on your system. I’d leave it on.
32. lvm - I don’t use it so I turned it off. Leave it on if you *DO* have lvm.
33. makedev - Leave it on.
34. mdamd - Raid management tool. I don’t use it so I turned it off.
35. mdamd-raid - Raid tool. If you don’t have Raid devices, turn it off.
36. module-init-tools - Load extra modules from /etc/modules file. You can investigate your /etc/modules file and see if there is any modules that you don’t need. Normally, this is turned on.
37. mountvirtfs - mount virtual filesystems. Leave it on.
38. networking - bring up network interfaces and config dns info during boot time by scaning /etc/network/interfaces file. Leave it on.
39. ntpdate - Sync time with the ubuntu time server. Leave it on if you want.
40. nvidia-kernel - I compiled the nvidia driver by myself, so its useless for me now. If you use the ubuntu nvidia driver from the restrict modules, just leave it on. 41. pcmcia - pcmcia device - useless if you are using desktop which doesn’t have pcmcia card. So in that case, turn it off please.
42. portmap - daemon for managing services like nis, nfs, etc. If your laptop or desktop is a pure client, then turn it off.
43. powernowd - client to manage cpufreq. Mainly for laptops that support CPU speed stepping technology. Normally, you should leave it on if you are configuring a laptop, but for desktop, it might be useless.
44. ppp and ppp-dns - Useless to me. I don’t have dial-up.
45. readahead - It seems readahead is a kind of “preloader”. It loads at startup some libs on memory, so that some programs will start faster. But it increases startup time for about 3-4 seconds. So, you can keep it… or not. I tested and I just didn’t feel difference loading programs. So I decided to turn it off. If you have a reason to keep it on, please do so.
46. reboot - Don’t change it.
47. resolvconf - Automatically configuring DNS info according to your network status. I left it on.
48. rmnologin - Remove nologin if it finds it. It wouldn’t happen on my laptop, so I got rid of it.
49. rsync - rsync daemon. I don’t use it on my laptop, so turned it off.
50. sendsigs - send signals during reboot or shutdown. Leave it as it is.
51. single - Active single user mode. Leave it as it is.
52. ssh - ssh daemon. I need this so I turned it on.
53. stop-bootlogd - stop bootlogd from 2,3,4,5 runlevel. Leave it as it is.
54. sudo - check sudo stauts. I don’t see any good to run it everytime on a laptop or desktop client, so I turned it off.
55. sysklogd - Leave it as it is.
56. udev and udev-mab - Userspace dev filesystem. Good stuff, I left them on.
57. umountfs - Leave it as it is.
58. urandom - Random number generator. Might not useful but I left it on.
59. usplash - Well, if you really want to see the nice boot up screen, leave it as it is.
60. vbesave - video card BIOS configuration tool. Its able to save your video card status. I left it on.
61. xorg-common - setup X server ICE socket. Leave it as it is.
62. adjtimex - This is a kernel hw clock time adjusting too. Normally, you shouldn’t see this on your boot up list. In very rare case if you do see its on your boot up process, then there might be a reason why it is on, so better leave it that way. In my case, it is off.
63. dirmngr - A certification lists management tool. Work with gnupg. You will have to see if you need it or not. In my case, I turned it off.
64. hwtools - A tool to optimize irqs. Not sure what’s the benefits of turning it on. In my case, I turned it off.
65. libpam-devperm - A daemon to fix device files permissions after a system crash. Sounds pretty good, so I left it on.
66. lm-sensors - If you matherboard has builtin some sensor chips, it might be helpful to see hw status via userspace. I ran it and it said “No sensors found”, so I turned it off.
67. screen-cleanup - A script to cleanup the boot up screen. Well, turn on or off is up to you. In my case, I left it on.
68. xinetd - A inetd super daemon to manage other damons. In my system, the xinetd is managing chargen, daytime, echo and time (find them from /etc/xinetd.d dir), I care none of them, so I turned it off. If you do have some important services configured under xinetd, then leave it on.
via http://linuxmonitor.blogspot.com/2007/03/ultimate-ubuntu-performance-tweaking.html
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