How to reset the keyboard set by xmodmap on Linux?
How to reset the keyboard set by xmodmap on Linux?
You can reset your keyboard settings by:
setxkbmap
or
setxkbmap -option
depending on the way the keyboard was set by xmodmap.
How to reset the keyboard set by xmodmap on Linux?
You can reset your keyboard settings by:
setxkbmap
or
setxkbmap -option
depending on the way the keyboard was set by xmodmap.
How to rearrange Alt, Ctrl and Win keys on Linux: Win as Alt and Ctrl/Alt as Ctrl? On Linux, the Win key is seldom used. Mapping the Alt keys which are close to my thumb is damn convenient for Emacs users. Hence, the keyboard at the bottom line would look like: ———————————————————— |Ctrl|Alt|Ctrl| Space Bar…
This post summarizes Linux Kernel new features, bugfixes and changes in Linux 5.4.102 Release. Linux 5.4.102 Release contains 338 changes, patches or new features. In total, there are 160,715 lines of Linux source code changed/added in Linux 5.4.102 release compared to Linux 5.4 release. To view the source code of Linux 5.4.102 kernel release online,…
How to set the data replication factor of Hadoop HDFS in Hadoop 2 (YARN)? The default replication factor in HDFS is controlled by the dfs.replication property. The value is 3 by default. To change the replication factor, you can add a dfs.replication property settings in the hdfs-site.xml configuration file of Hadoop: <property> <name>dfs.replication</name> <value>1</value> <description>Replication…
How to iterate all dirs and files in a dir in C++? To open a dir, we can use opendir() to open a directory stream. DIR *opendir(const char *name); Then we can use readdir() to iterate the directory stream. struct dirent *readdir(DIR *dirp); Here is an example C++ program using these 2 library functions. #include…
How to log connections hitting certain rules in iptables on Linux? Like the one that are dropped because of too frequently creating SSH connections. You can create a new chain named LOGNDROP that log the connections and drop them, then pass the connection to be redirected to the LOGNDROP chain. $tables -N LOGNDROP # Connections…
iptables is plain old good. How to enable it after I disable firewalld? First, install the iptables-services package as root: # yum install iptables-services Then, start iptables service as root: # touch /etc/sysconfig/iptables # touch /etc/sysconfig/ip6tables # systemctl start iptables # systemctl start ip6tables # systemctl enable iptables # systemctl enable ip6tables Read more: How…
Doens’t work. You need to do `setxkbmap -option` instead.