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48%
Creating an SFTP jail
30.11.2025
Home
»
Archive
»
2011
»
Issue 3: Are yo...
»
SyslogFacility AUTH
20
TCPKeepAlive yes 21 UseDNS no 22 UsePrivilegeSeparation yes 23 Subsystem sftp /usr/local/libexec/sftp-server 24 Match Group sftponly
25
ChrootDirectory /export
47%
Network analysis with the Bro Network Security Monitor
05.12.2014
Home
»
Archive
»
2014
»
Issue 24: Visua...
»
var/opt/bro/logs Subdirectories ls -l /var/opt/bro/logs/ total 244 drwxr-xr-
x
. 2 root root 4096 Oct
20
00:00 2014-10-19 drwxr-xr-
x
. 2 root root 12288 Oct 21 00:00 2014-10-
20
drwxr-xr-
x
. 2 root root
47%
Configuring complex environments
07.04.2022
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»
Archive
»
2022
»
Issue 68: Autom...
»
Hub page: wget https://github.com/mikefarah/yq/releases/download/v4.14.1/yq_linux_amd64 -O ~/bin/yq chmod u+
x
~/bin/yq On macOS, you can also import the software with the Homebrew package manager
47%
OpenSMTPD makes mail server configuration easy
08.10.2015
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»
Archive
»
2015
»
Issue 29: Rescu...
»
effort. Multiple Flavors OpenSMTPD is at home not just on its native OpenBSD, but on Linux (with binary packages for Gentoo, Slackware, Debian, and Arch) and other BSDs, including Mac OS
X
. The package
46%
Installing and operating the Graylog SIEM solution
13.12.2018
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Archive
»
2018
»
Issue 48: Secur...
»
18
19 Modules pm_buffer
20
MaxSize 102400 # 100 MByte buffer on the hard disk 21 Type disk 22
23 24
25
Modules om_udp 26 Host GraylogServerName 27 Port
46%
Understanding the Status of Your Filesystem
18.06.2014
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HPC
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Articles
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( 0.05%) ( 0.05% cumulative) [ 1- 2 days]: 0 ( 0.00%) ( 0.05% cumulative) [ 2- 4 days]: 4675 ( 1.
20%) ( 1.25
% cumulative) [ 4- 7 days]: 215 ( 0.06%) ( 1.31% cumulative) [ 7
46%
Securing email communication with GnuPG
07.10.2025
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»
Archive
»
2025
»
Issue 89: Autom...
»
output similar to ed25519 2022-08-29 [SC] [expires: 2027-08-
20
] uid [ultimate] Name name@example.org updgef8corpy81hia1rhd8npqiti6nzf @example.org In the output you will see a 32-character string
46%
Using rsync for Backups
07.01.2014
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of space (
20
+
25
+ 30), with no doubt lots of duplicated data wasting space and money. The backup world uses a few techniques that differentiate it from replication. The first is called a “full backup
46%
A watchdog for every modern *ix server
25.09.2023
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2023
»
Issue 77: Secur...
»
="chmod --- > RQRDCMNDS="apt-get > chmod 13a17 > mkdir 15a
20
> usermod 35c40 < if ! wget "https://mmonit.com/monit/dist/binary/${MONITVER}/monit-${MONITVER}-linux-
x
64.tar.gz" -O /tmp
46%
Where Does Job Output Go?
11.09.2023
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HPC
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performance and cost per gigabyte. Go right along the
x
-axis for increased capacity. Storage Tiering with Local Node Storage When HPC clusters first became popular, each node used a single disk to hold
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