in Ubuntu and Debian), add the interface configuration to your /etc/network/interfaces file and then set the value of managed to false in the ifupdown section of the NetworkManager.conf file:
For example, if you’re sending data from Host A to Host B, as shown in Figure 9-1, your bytes leave the application layer on Host A and travel through the transport and network layers on Host A; then they go down to the physical medium, across the medium, and up again through the...
This chapter is a guide to the Unix commands and utilities that will be referenced throughout this book. This is preliminary material, and you may ...
Login to the linux box and assume root 1 sudo su - Edit /etc/profile and add the following lines to the bottom of the file: 1 2 3 4 5 6 7 8 # command line audit logging function log2syslog { declare COMMAND COMMAND=$(fc -ln -0) logger -p local1.notice -t bash -i -...
The Role of Bash in Linux Bash is a Unix shell and command language. It’s the default shell for most Linux distributions. A shell is a user interface that gives you access to various services of an operating system. It can be either a command-line interface (CLI) or a graphical interf...
A well configured linter can catch common errors before code is even run or compiled. ROS 2 makes it easy to add linters of your choice and make them part of your package’s testing pipeline. We’ll step through the process, from start to finish, of addi
Add whatever you want to the file and save and close the file by pressing CTRL + X, then write Y and press Enter. Nano is preinstalled on most Linux distros. How to create a file with a large size Sometimes you may need to create a file with a larger size (gigabytes). ...
Is there a way to stop active swap disks, so that they can move their load to other swap disks? Server being migrated from old SAN arrays to a new array. Secondary swap is currently in use as swap disks on the old array and the new array. From below list, I want to stop sda2 ...
Take care to ensure the key file is hidden from and unreadable by all untrusted parties Add the key file to the encrypted device with the command: cryptsetup luksAddKey DEV /PATH/TO/KEYFILE Example: [root ~]# cryptsetup luksAddKey /dev/sda3 /root/random_data_keyfile1 Enter any passphra...
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