How to Run a Command Upon Files or Directories Changes on Linux
Doing actions upon changes of files and directories is very useful. Examples like compiling a project after the source code files are changed, sending emails after important configuration files are...
View ArticleNotes for Beginners of Software Development on Linux
Linux is a great platform for software development targeting servers or backends. In general, working on Linux is very productive. The problem that beginners on Linux face is the the learning curve is...
View ArticleHow to Set the Static IP Address Using CLI in Fedora/CentOS Linux
How to set the static IP address for CentOS 7/Fedora 22+ is introduced in this post. Here, we assume the Linux is using NetworkManager to manage the network. All steps are done as root. Find the...
View ArticleChanging Systemd Boot Target in Linux
Many Linux distros, such as RHEL/CentOS 7, Fedora, Ubuntu 16, are now using systemd instead of init as the init system. It is common for Linux users to set Linux to boot to "GUI" or "Text" mode. The...
View ArticleAdditional Repositories for CentOS Linux
CentOS is a super solid Linux distro. However, its default repository’s packages are limited compared to Fedora. Even Fedora needs some additional repositories to have software packages for daily...
View ArticleHow to Install Wine 32-bit on CentOS 7
Since version 7, RHEL has only x86-64 versions. The same thing happens to CentOS 7. In CentOS 7/EPEL, there is only package for Wine x86-64. However, many Windows .exe files are 32-bit. Even there are...
View ArticleBuilding and Installing Linux Kernel from the Source Code in an Existing...
Building Linux kernel may sound a complex and geek-only thing. However, as Linux kernel itself has much less depended tools/packages compared to other software packages, it is quite easy to compile,...
View ArticleHow to install and configure a MySQL cluster on CentOS/RHEL 6.3?
Any good tutorial on how to install and configure a MySQL cluster on CentOS/RHEL 6.3? Check these posts: Installing MySQL Cluster on CentOS 6.3Configuring the MySQL Cluster General tutorials: MySQL...
View ArticleWhere are the Linux routing table entries stored on disk?
I know the routing tables on Linux is in memory after being set. However, where are the routing table entries stored on disk? I mean where are the routing table is persistently stored so that the...
View ArticleHow to install vbetool on CentOS 6.6?
I found CentOS 6.6 does not ship vbetool in its default repositories, EPEL or RPMfusion. How to install vbetool on CentOS 6.6? First, download the source package from...
View ArticleHow to enable RPM Fusion for CentOS 6.6?
How to enable RPM Fusion for CentOS 6.6? Enable RPM fusion on RHEL 6 or compatible like CentOS: su -c 'yum localinstall --nogpgcheck...
View ArticleHow to make CentOS 6.6 power off the console screen automatically?
On CentOS 6.6, I find that it can make the screen (console, not X) blank after a while. However, it does not power the screen off. This usually work on Fedora or other releases. I guess this is caused...
View ArticleHow to configure interface bonding in Linux?
How to configure interface bonding to bound to 2 eth interfaces together in Linux, specifically CentOS/RHEL? This tutorial Configuring Interface Bonding on CentOS/RHEL/OEL 6.x introduces setting up...
View ArticleHow to configure ifcfg-eth0 network scripts on Fedora/RHEL Linux?
How to configure the ifcfg-* network script files under /etc/sysconfig/network-script/ on Fedora/RHEL Linux? Following is a very typical ifcfg-eth0 file setting static IP/gateway/network mask:...
View ArticleHow to install aclocal on Fedora Linux?
I tried to build a project while it reports: # ./autogen.sh Can't exec "aclocal": No such file or directory at /usr/share/autoconf/Autom4te/FileUtils.pm line 326. autoreconf: failed to run aclocal: No...
View ArticleHow to make CentOS Linux to load a module automatically at boot time?
How to make CentOS Linux to load a module, say ixgbe, automatically at boot time? I am using CentOS 7. You can create a text file <some name>.conf in the /etc/modules-load.d/ and list the modules...
View ArticleHow to disable the fastestmirror yum plugin in CentOS 7 Linux?
How to disable the fastmirror yum plugin in CentOS 7 Linux? The fastestmirror function of yum is provided by the package `yum-plugin-fastestmirror`. However, because `yum` depends on it, the...
View ArticleHow to autohide top and bottom panel in RHEL 7
How to autohide top and bottom panels in RHEL 7 while application is running I don’t think GNOME 3 or GNOME 3 classic has this function available or there any plugins that supports so. If you need this...
View ArticleHow to Install Wine 32-bit on CentOS 8
Since version 7, RHEL and CentOS only have 64 bit versions. For some reasons, it’s better to run many Windows applications under 32 bit wine. Like How to Install Wine 32-bit on CentOS 7, this post...
View ArticleLinux User Group Management and Operations
Linux allows more than one users to log into the system to run processes/programs at the same time. In order to make this multi-user system work properly, Linux provides ways to isolate and protect...
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