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46%
Sort out your SSH configs
07.10.2014
Home »  Archive  »  2014  »  Issue 23: 10 Ti...  » 
Lead Image © saniphoto, fotolia.com
, such as 2222, which will limit the number of automated port scans testing my security. This step is simple (but remember which port you choose!) and just needs this change: Port 2222 Again, simply reload
46%
Use Linux Containers with WSL2 on Windows
28.11.2021
Home »  Archive  »  2021  »  Issue 66: Inci...  » 
Photo by Muneeb Syed on Unsplash
After installing WSL for container operation, you should always check for and install any Windows updates to be on the safe side. To use the new WSL2 version, the WSL2 Linux kernel update package for x64
46%
Configuring the JBoss application server
30.11.2025
Home »  Archive  »  2011  »  Issue 4: Secure...  » 
HONGQI ZHANG, 123RF.com
) (out= 131)(deflated 17%) adding: WEB-INF/(in = 0) (out= 0)(stored 0%) adding: WEB-INF/web.xml(in = 63) (out= 48)(deflated 23%) # cp helloworld.war ../../jboss-5.1.0.GA/server/all/deploy/ 20
45%
Docker image security analysis
01.08.2019
Home »  Archive  »  2019  »  Issue 52: Stop...  » 
Photo by Rodolfo Sanches Carvalho on Unsplash
2222 -o nginx-trojan saves a new container image to the filesystem called nginx-trojan, which you can upload later to a registry. To protect the innocent, I've obfuscated the IP address, so replace XXX
45%
Docker and Podman environments on Windows and Mac machines
28.11.2021
Home »  Archive  »  2021  »  Issue 66: Inci...  » 
Lead Image © bowie15 , 123RF.com
systemctl start podman.socket 20 usermod -aG podman $SUDO_USER 21 SHELL 22 end Once you have installed both VirtualBox and Vagrant, either with Homebrew or an installation archive, save
45%
TinyDNS
02.03.2012
Home »  Articles  » 
 
preference – in other words, the preferred delivery order in which the mail server receives the inbound email). @domainname.com::mail2.domainname.com:20:3600 Here, you’re telling TinyDNS to answer MX
45%
Hacking Mutillidae II
03.08.2023
Home »  Archive  »  2023  »  Issue 76: Energ...  » 
Photo by USGS on Unsplash
-property binutils-x86-64-linux-gnu libmodule-scandeps-perl python3-docker cgroupfs-mount libperl5.32 python3-dockerpty containerd libproc
44%
Secure Your Server with TCP Wrappers
02.10.2012
Home »  Articles  » 
 
port 22) to port 2222, for example, to stop port scans filling up your logs. Without TCP Wrappers enabled, scans might run dictionary attacks on your server where password combinations are guessed by one
44%
Security without firewalls
31.10.2025
Home »  Archive  »  2012  »  Issue 12: NAS S...  » 
© rukanoga, 123RF.com
's usually TCP port 22) to port 2222, for example, to keep port scans from filling up your logs. Without TCP Wrappers enabled, scans might run dictionary attacks on your server where password combinations
43%
Real-World HPC: Setting Up an HPC Cluster
04.11.2011
Home »  HPC  »  Articles  » 
out the relevant line in the/etc/inittab  file. This will free up some memory: # Run xdm in runlevel 5 # x:5:respawn:/etc/X11/prefdm ‑nodaemon Now perform a first full-system package update

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