Update on Jan. 7, 2012: The package for the gtk application style setting on KDE 4.7 is kcm-gtk. The command to install this package is: “# yum install kcm-gtk”. One annoying thing when using KDE desktop is that the theme and style of GTK applications differ from KDE’s. The gtk-qt-engine can let us select the…
The NVIDIA video card driver in Linux will display the NVIDIA logo by default during booting the X server after we successfully installed the driver. If we don’t like to see the logo every time we start X server, we can disable it. We need to edit the Xorg configuration file /etc/X11/xorg.conf with root permission….
I don’t use xdm, gdm or kdm… I prefer my Linux booting to init 3. I like logging in to the command-prompt and starting X manually with startx. In my Fedora Linux box, I always get to gnome even both gnome and KDE are installed. Actually the startx script is already written for most of…
We may not want to update some packages such the kernel on a stable server while updating the system. If we run “dnf update” or “yum update”, we may get suggested by dnf/yum to install all the packages with updates. In this post, how to make dnf/yum not update certain packages such the kernel when…
tmpfs has blazing speed. Why not set up a high speed NFS server on top of tmpfs? A little trick is required for setting NFS server on top of /dev/shm. If we add a normal entry in /etc/export and them run # exportfs -a exportfs will give us a warning like this: exportfs: Warning: /dev/shm…
How to set up eCryptFS in Linux will be introduced in this post. We can store encrypted files in one eCryptFS directory, the manual way. The content can be seen only after it is mounted as eCryptFS file system. Otherwise, the users can only see garbled characters in the files. Note that this tutorial will…
I believe many users are using pidgin and google apps. Google apps support Google Talk. Can we use it in Pidgin? The answer is yes. How to use Google apps account for Google Talk in Pidgin will be introduced in this post. Let’s use one email address as the example: eric @ example.com First add…
The Linux Gnome style that I like is Shiki-color + Gnome colors icon theme. It looks pretty and professional and it is fast. How to install them: Gtk engine: # yum install gtk-murrine-engine Icon theme: # yum install gnome-colors-icon-theme Theme: Dowload from here: http://gnome-look.org/content/show.php/Shiki-Colors?content=86717 Install it by Appearance Preference -> Install. Configuration: Appearance Preference ->…
Firefox can be much faster on Linux! Let’s speed up Firefox on Linux system. Part 1 and 2 only config firefox, so it can also be used on other platform such as Windows. 1. Pipe-lining network connection Most of us use a broad band width network, then why not pip line the connection from Firefox?…
Automatic passwrod-less ssh login can make our life easier. To enable this, we have 2 options: using key-based authentication by copying our SSH public keys to the remote machines for automatic password-less login or using password-based authentication. I will introduce the 2 options in the post. Before you start, please note that key-based authentication is…
Installing akmod NVIDIA driver from rpmfusion on Fedora 12. First make sure your nvidia card is in “Supported NVIDIA GPU Products List”: Click here for the list 1. Add rpmfusion repository: Enable RPM Fusion repositories 2. Install akmod nvidia driver akmod builds the required kmod on bootup # yum install akmod-nvidia xorg-x11-drv-nvidia-libs.i686 3. Add nouveau…
The heirloom mailx (or s-nail if you are using Ubuntu 18 or later or similar releases) command in Linux is still providing service for guys like me, especially when we need to send email automatically by script. Gmail is great. Now, how to use gmail’s smtp in mailx/mail? gmail is a little special since gmail’s…
Sharing the networking is important and setting up a gateway is a good solution to it. Building up the gateway on a Linux box is easy, cost efficient and reliable. With a Linux box, you can share the internet connection or the only cable connected to the network. The Linux box network configuration The Linux…
For most of cases, you should not disable SELinux. However, for some users, SELinux may cause problems or is not needed. We may just make it not block operations or totally disable it. Making SELinux log warnings instead of blocking For many cases, people find SELinux blocks operations. For tests or some other situations, you…
I like to set the volume of mplayer to 28% of the volume instead of the 100% which is too large for me. And I also want mplayer to put to video window on the left top of the screen. This is the method: Add these lines to the ~/.mplayer/config file: For setting the startup…
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 (xx,xx,xx,xx,xx,xx) —- Connecting data socket to (yy,yy,yy,yy) port zz `ls’ at 0 [Making data connection…] But some client such as filezilla may works on…
mplayer 使用中文字幕文件时经常会出现乱码问题. 以下是解决办法: 1. 外挂字体方法 比如当前目录下有文件为Gone with the Wind.avi, 字幕文件为: Gone.With.the.Wind.1939.Bluray.720p.DTS.2Audio.x264-CHD.chs.srt 可以使用如下命令来播放, 将不会出现中文字幕乱码的问题了: mplayer -ass -subcp cp936 Gone with the Wind.avi -sub Gone.With.the.Wind.1939.Bluray.720p.DTS.2Audio.x264-CHD.chs.srt 对于以上参数的解释: -ass: Turn on SSA/ASS subtitle rendering. With this option, libass will be used for SSA/ASS external subtitles and Matroska tracks. You may also want to use -embeddedfonts. NOTE: Unlike normal OSD,…
Fedora 一直有中文字体难看的问题, 尤其是在英文环境中. 使用本文中的配置方法可以得到令人满意的中文效果. 此方案中使用字体都为开源且在Fedora源中自带. 此方案对 Fedora 9 – 20 有效. 对于后续版本支持我会确认并更新此文章. 此方案对Gnome, KDE都有效. Firefox 中也有中文难看的问题, 后面会提到. 快速配置方法 如果你想马上配置好，请使用如下命令。此方法测试使用效果良好。 # yum install cjkuni-ukai-fonts cjkuni-uming-fonts # wget https://raw.githubusercontent.com/zma/config_files/master/others/local.conf \ -O /etc/fonts/local.conf 相关英文字体配置可以参考：Improving Fedora Font Rendering with Open Software and Fonts Only. Fedora 系统中文字体的配置方案 使用uming和ukai字体，即AR PL UMing CN等. 中文字体和等宽字体效果如图所示(点击看大图, Firefox 中文字体设置在后面会提到). 方法如下: 安装字体 首先安装这两个字体: cjkuni-ukai-fonts cjkuni-uming-fonts (在Fedora…
Git and SSH are both powerful tools, and git/ssh work well together. We introduce how to set up git server via ssh in this post. Git server through SSH is easy and fast to set up, although every user will have access to all repositories in the git server over SSH and every user is…
Using rpmfusion’s rpm packages to install NVIDIA driver in Fedora is introduced in this post. First, check the proper drivers for the card on [1]. 1. Add rpmfusion. Enable RPM Fusion repositories 2. Install the driver # yum install kmod-nvidia xorg-x11-drv-nvidia The reboot system. 3. Edit /etc/X11/xorg.conf # nvidia-xconfig The nouveau module conflicts with the…