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Examples: Compress four folders f:\z1 f:\z2 f:\z3 f:\z4 to one file f:\z.rar. "c:\Program Files\WinRAR\Rar.exe" a f:\z.rar f:\z1 f:\z2 f:\z3 f:\z4 F:\>"c:\Program Files\WinRAR\Rar.exe" RAR 5.61 x64 Copyright (c) 1993-2018 Alexander Roshal 30 Sep 2018 Trial version Type 'rar -?' for help Usage: rar - - a Add files to archive c Add archive comment ch Change archive parameters cw Write archive comment to file d Delete files from archive e Extract files without archived paths f Freshen files in archive i[par]= Find string in archives k Lock archive l[t[a],b] List archive contents [technical[all], bare] m[f] Move to archive [files only] p Print file to stdout r Repair archive rc Reconstruct missing volumes rn Rename archived ...

hostname uname -n n stands for nodename hostname -f f stands for FQDN

Project Management Simplified by Chris Croft on LinkedIn Learning https://www.linkedin.com/learning/project-management-simplified/ 12-step process for planning and executing successful projects

The Fox and the Grapes One hot summer's day a Fox was strolling through an orchard till he came to a bunch of Grapes just ripening on a vine which had been trained over a lofty branch. "Just the thing to quench my thirst," quoth he. Drawing back a few paces, he took a run and a jump, and just missed the bunch. Turning round again with a One, Two, Three, he jumped up, but with no greater success. Again and again he tried after the tempting morsel, but at last had to give it up, and walked away with his nose in the air, saying: "I am sure they are sour." It is easy to despise what you cannot get.

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10 Powershell Key Concepts to keep in mind

lastlog command reports the most recent login of all users or of a given user. NAME lastlog - reports the most recent login of all users or of a given user SYNOPSIS lastlog [options] DESCRIPTION lastlog formats and prints the contents of the last login log /var/log/lastlog file. The login-name, port, and last login time will be printed. The default (no flags) causes lastlog entries to be printed, sorted by their order in /etc/passwd. OPTIONS The options which apply to the lastlog command are: -b, --before DAYS Print only lastlog records older than DAYS. -h, --help Display help message and exit. -R, --root CHROOT_DIR Apply changes in the CHROOT_DIR directory and use the configuration files from the CHROOT_DIR directory. -t, --time DAYS Print the lastlog records more recent than DAYS. -u, --user LOGIN|RANGE Print the ...

Vagrant is a tool for building and managing virtual machine environments in a single workflow. Download the latest version of Vagrant for your operating system at https://www.vagrantup.com/downloads.html

Notes from daily work situation. While troubleshooting HSRP, I need to delete arp table on my computer. arp -d * Take a look at other options with arp command: C:\Users\Administrator>arp /? Displays and modifies the IP-to-Physical address translation tables used by address resolution protocol (ARP). ARP -s inet_addr eth_addr [if_addr] ARP -d inet_addr [if_addr] ARP -a [inet_addr] [-N if_addr] [-v] -a Displays current ARP entries by interrogating the current protocol data. If inet_addr is specified, the IP and Physical addresses for only the specified computer are displayed. If more than one network interface uses ARP, entries for each ARP table are displayed. -g Same as -a. -v Displays current ARP entries in verbose mode. All invalid entries and entries on the loop-back interface will be shown. inet_addr Specifies an internet address. -N if_a...