15%
30.11.2025
from compromised systems is John the Ripper (John). John is a free tool from Openwall [1]. System administrators should use John to perform internal password audits. It's a small (<1MB) and simple ... 6
15%
25.11.2012
untouched or to delete certain entries.
This new kernel, known as the crash or dump kernel, starts a part of the remaining Linux system and saves the dump. For kexec to work, admins need three things: a 2.6.13
15%
31.10.2025
, admins need three things: a 2.6.13 kernel or newer, a kernel configured for kexec, and the corresponding userland tools (Figure 1).
Figure 1: Dependencies
15%
04.11.2011
on enterprise-grade rack hardware, there is no reason one cannot follow along at home with a few beige boxes and an 10Mb hub, as long as the servers are capable of booting from the network with PXE [6]. PXE
15%
14.08.2017
:31 FS_scan.csv
$ gzip -9 FS_scan.csv
$ ls -lsah FS_scan.csv.gz
268K -rw-r--r-- 1 laytonjb laytonjb 261K 2014-06-09 20:31 FS_scan.csv.gz
The original file is 3.2MB, but after using gzip with the -9
15%
21.01.2020
RAID
$ cat /proc/mdstat
Personalities : [linear] [multipath] [raid0] [raid1] [raid6] [raid5] [raid4] [raid10]
md0 : active raid5 sde1[4] sdd1[3] sdc1[2] sdb1[1] nvme0n1p1[0](J)
20508171264
15%
21.08.2012
, 0.02
n0001: 18:58:49 up 1:13, 0 users, load average: 0.00, 0.00, 0.00
With a simple Bash, Perl, or Python script and pdsh, you can query almost anything. Just be warned that you need to play
15%
14.06.2017
-rw-r--r-- 1 laytonjb laytonjb 261K 2014-06-09 20:31 FS_scan.csv.gz
The original file is 3.2MB, but after using gzip
with the -9
option (i.e., maximum compression), the resulting file is 268KB. The .gz
15%
30.11.2025
# svcadm disable stmf
09 # fcinfo hba-port
10 ?
11 HBA Port WWN: 10000000c93805a6
12 Port Mode: Target
13 Port ID: 10200
14 OS Device Name: Not Applicable
15 Manufacturer: Emulex
16 Model: LP9002L
17 ?
18
15%
11.04.2016
hiawatha running
www-data 4766 0.1 0.3 118232 4016 ? Ssl 20:13 0:00 /usr/sbin/hiawatha
You can use netstat to check the bindings:
netstat -tulpn
See the output in Listing 2.
Listing 2
