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18%
GitLab for DevOps teams
06.10.2019
Home »  Archive  »  2019  »  Issue 53: Secur...  » 
Lead Image © maroti, 123RF.com
already been successfully implemented with the help of GitLab (i.e., for CI/CD, security, and compliance). GitLab CI is a GitLab Community Edition component, and thus open source. In particular, Git
18%
Oracle Database 12c: Cloud computing with multitenant architecture
14.11.2013
Home »  Archive  »  2013  »  Issue 17: Cloud...  » 
Lead Image © Jakub Jirsak, 123RF.com
, according to which an instance (or multiple instances of a cluster) could only open precisely one database. This limitation changes with the introduction of the pluggable database; an instance now can open
18%
Automating command execution across servers
01.06.2024
Home »  Archive  »  2024  »  Issue 81: Load...  » 
Photo by Adrian Hartanto on Unsplash
Problems with known_hosts OpenSSH and some other SSH client programs store the verified SSH fingerprints of your servers in file ~/.ssh/known_hosts. The idea is that your SSH client will check the keys
18%
Samba 4 appliances by SerNet and Univention
16.05.2013
Home »  Archive  »  2013  »  Issue 14: Samba 4  » 
© Ricky Grant, 123RF.com
on OpenLDAP Samba 4 also does this, but integrates OpenLDAP. In the next step, the UCS installer requires the Fully qualified domain name for the subsequent Settings step; you should consider this name
18%
Aggregate alerts from various monitoring systems
07.10.2025
Home »  Archive  »  2025  »  Issue 89: Autom...  » 
Lead Image © Chittima Kasa, 123RF.com
alerts. You can save yourself some work with the docker-alerta Docker image [3] from the GitHub repository. To begin, open the docker-compose.yml file and change the value for ADMIN_PASSWORD; then, start
18%
Harden your Linux servers to stop malware
07.10.2025
Home »  Archive  »  2025  »  Issue 89: Autom...  » 
Lead Image © Danila Krylov, 123RF.com
the open source nature of the project. Installation and operation are easy to explain: Use the package manager to install the software, load the signatures, and scan the hard drive. These steps
18%
Creating an SFTP jail
30.11.2025
Home »  Archive  »  2011  »  Issue 3: Are yo...  » 
Juan Manuel Ordonez, 123RF.com
.bash_profile. Note that this setup assumes you will later install OpenSSH in /usr/local/. Listing 1 .bash_profile Variables 01 CC=gcc 02 CPPFLAGS=-I/usr/local/ssl/include 03 EDITOR=vi 04
18%
Managing SSH and other remote connections with PAC
30.11.2025
Home »  Archive  »  2011  »  Issue 4: Secure...  » 
© Ivan Datskov, 123RF.com
, the remote server has output some new messages in the meantime. Figure 3: Just click "Connect" to tell PAC to open all of the connections in the list above
18%
Win-win with Cygwin
30.11.2025
Home »  Archive  »  2012  »  Issue 08: FreeNAS  » 
© Steve Mann, 123RF.com
cost for these files is minimal compared with the final installation size. Cygwin Installation On the system on which you want to install Cygwin, open a browser and point it to the Cygwin homepage [2
18%
Strategies for routing voice calls around a firewall
30.11.2025
Home »  Archive  »  2010  »  Issue 0: Active...  » 
gnohz, 123RF.com
Along with Skype, the Session Initiation Protocol (SIP) is one of the most popular techniques for setting up Voice over IP connections. Thanks to an open standard (IETF RFC 3261 [1]), it is also

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