How to search history commands very effectively in bash shell command line?
How to search history commands very effectively in bash shell command line?
Just enter CTRL+r
The function of above is: (reverse-i-search)`’:
It is very fast and efficient.
Similar Posts
How to activate or deactivate a Linux host with Gnome remotely?
ByQ AI have a Fedora Linux server with Gnome 3. I want to lock / unlock the remote Gnome desktop remotely. How to activate or deactivate it remotely through SSH? Use gnome-screensaver-command. It is not specific to Gnome 3. Turn the screensaver on (blank the screen): $ gnome-screensaver-command -a If the screensaver is active then deactivate…
Add More Loop Device in Linux
ByEric MaWe need more loop devices on Linux than the default number (most commonly 8) some time, such as we are building 12 or more virtual machines on top of xen using loop device backed VBD. In this post, we want to use 32 loops. 1. If loop device is compiled directly in the kernel Pass…
Q2A: making the main content div appear before the side panel
ByQ AAfter checking the Question2Answer pages’ HTML code, I find that the main div comes after the side panel. How to revert the position of the main div and side panel div? Makes the main content come first in the HTML. You can change the displaying order by overwriting the body_content() function in the theme (that…
How to Get Rid of DTS/AC3 Audio using ffmpeg on Linux to Play MKV Files on iOS or Android
I encountered the problem on iPhone that MKV video files with AC3 are played with no sound. The OPlayer reports to me that “According to DTS patent, DTS is forbidden to play , None of the media player on iPhone/iPad can play DTS”. However, the video file can be played in MPlayer on Linux just…
Grub2: How to boot Fedora to an old kernel?
ByQ AGrub2: How to boot Fedora to an old kernel? The old kernel is a submenu under “Advanced options for Fedora”. It is not shown if I follow the instruction that # grep menuentry /boot/grub2/grub.cfg | cut -d “‘” -f2. The old kernel in grub2 is in a submenu entry in a menu. The key is…
Firefox: how to sync bookmarks saved on iOS devices to Firefox on PC?
ByEric MaFirefox on iOS can view bookmarks from PC. But how to sync the bookmarks made on iOS to PC? It seems the bookmarks made in Firefox on iPhone is local only. No, you can’t yet. Bookmarks saved on your iOS devices will not sync to your PC at current (by Nov. 25, 2015) version of…