very serious security problem has been found in the Intel CPUs. Meltdown CPU Vulnerability CVE-2017-5754 breaks the most fundamental isolation between user applications and the operating system. This attack allows a program to access the memory, and thus also the secrets, of other programs and the operating system. How do I protect my Linux server and laptop/desktop against such attack?
am a new GNU/Linux user. I see a colorful bash prompt. Traditional command such as grep command
or ls command also display output in colors. I would also like a turn off colors in vim text editor. I do not like colors. How can I turn off color listing in Linux terminal?
need to copy all the *.c files from local laptop named hostA to hostB including all directories. I am using the following scp command but do not know how to exclude specific files (such as *.out): $ scp -r ~/projects/ user@hostB:/home/delta/projects/
How do I tell scp command to exclude particular file or directory at the Linux/Unix command line? Continue reading “How to exclude file when using scp command recursively”
have installed and setup KVM server on an Ubuntu Linux. I downloaded various .qcow2 cloud images. How do I setup public ssh keys for downloaded CentOS/FreeBSD/Ubuntu cloud images using virt-sysprep? Continue reading “How to add ssh key to qcow2 Linux cloud images using virt-sysprep”
have set up a bash alias named file_repl
. It works entirely when I log in using ssh command. However, my bash aliases are not running over ssh, for example: $ ssh firstname.lastname@example.org file_repl
bash: file_repl: command not found
How do I run bash shell aliases when I use ssh command?
think I lost (or forgot the file location) a file named toms-first-birthday.mp4 on my Unix based system. Is there is a Unix bash shell command to find a file called “toms-first-birthday.mp4” in a directory and subdirectories?
would like to find all documents file *.doc and create a tarball of those files and store in /nfs/backups/docs/file.tar. Is it possible to find and tar files on a Linux or Unix-like system?