21%
30.11.2025
port
Capture packets coming from or going to a port or a range of ports.
# tcpdump port 21# tcpdump port 20-25
AND (&& or and)OR (|| or or)EXCEPT (! or not)
Combine
21%
05.12.2016
't need a working X setup on the system, which is common in the admin world.
tput (TUI): Tput is part of the ncurses
package supplied with most Linux distributions. At first blush, tput [3] sounds really
21%
22.06.2012
1-12:00:00
20
144400
1-16:06:40
21
160000
1-20:26:40
22
176400
2-01:00:00
23
193600
2-05:46:40
24
21%
05.02.2019
Configuration: [
20 {
21 cidrMask: 24,
22 name: 'Web',
23 subnetType: ec2.SubnetType.Public,
24 },
25 {
26 cidrMask: 24,
27 name: 'App',
28
21%
12.03.2013
.6.32-220.4.1.el6.x86_64 kernel
GigaByte MAA78GM-US2H motherboard
AMD Phenom II X4 920 CPU (four cores)
8GB of memory (DDR2-800)
The OS and boot drive are on an IBM DTLA-307020 (20GB drive at Ultra ATA
21%
11.02.2016
to act as a DHCP server, you also need to set it up here. Finally, the system generates an X.509 certificate for secure communication between the server and the clients. Using the Dashboard and the Menu
21%
30.05.2021
) is currently based [3]. It has been replaced since by ec2-metadata [4] as Canonical decided to standardize on Amazon's implementation of the tool beginning with Groovy Gorilla (20.10).
Documentation indicates
21%
04.06.2013
certainly claim the number one spot in the next version of the HPC TOP500 list, which will appear later in June 2013. Jack Dongarra, of the University of Tennessee, posted a detailed report on the computer
21%
05.02.2019
:
$ curl http://169.254.169.254
1.0
2007-01-19
2007-03-01
2007-08-29
2007-10-10
2007-12-15
2008-02-01
2008-09-01
2009-04-04
The cloud-init
package installed on an instance contains utilities for its early
21%
11.10.2016
, interesting, and worthwhile exercise. I argue that systems administration needs a command-line editor, because it can be used even if X windows isn't working or isn't installed on the servers. Knowing how