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30.11.2025

Home » Archive » 2011 » Issue 3: Are yo... »

11 PasswordAuthentication yes 12 PermitEmptyPasswords no 13 PermitRootLogin no 14 PermitTunnel no 15 PermitUserEnvironment no 16 Port 2202 17 Protocol 2 18 StrictModes yes 19

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OpenVPN with e-tokens in large-scale environments

30.11.2025

Home » Archive » 2011 » Issue 5: Pen Te... »

/openvpn/keys/CA.crt 08 cert /etc/openvpn/keys/server.crt 09 key /etc/openvpn/keys/server.key 10 tls-auth /etc/openvpn/keys/tls-auth.key 11 12 server 192.168.1.0 255.255.255.0 13 14 keepalive 10 60 15 comp-lzo 16 17

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The RADOS object store and Ceph filesystem

30.11.2025

Home » Archive » 2012 » Issue 09: Windo... »

/ceph/$name.keyring 04 [mon] 05 mon data = /srv/mon.$id 06 [mds] 07 [osd] 08 osd data = /srv/osd.$id 09 osd journal = /srv/osd.$id.journal 10 osd journal size = 1000 11 [mon.a] 12 host = alice 13 mon

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Exploring Nmap's scripting engine

30.11.2025

Home » Archive » 2011 » Issue 6: Perfor... »

.mcwrite.net Starting Nmap 5.00 ( http://nmap.org ) at 2011-03-06 19:35 CST Interesting ports on blogs.typepad.com (204.9.177.195): Not shown: 998 filtered ports PORT STATE SERVICE 80/tcp open http | robots

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Script utilities in depth: grep, awk, and sed

30.11.2025

Home » Archive » 2011 » Issue 4: Secure... »

the file sizes (converted to and labeled GB), separating the two items of information with a tab. Invoking this script for user chavez yields: chavez 12.12537GB Such commands are often useful in loops

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An IP-based load balancing solution

30.11.2025

Home » CloudAge » Articles »

virtual webs.test.com { 15 active = 1 16 address = 192.168.1.250 eth0:0 17 vip_nmask = 255.255.255.0 18 port = 80 19 send = "GET / HTTP/1.0\r\n\r\n" 20 expect = "HTTP" 21

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A standard cloud computing API

30.11.2025

Home » Archive » 2011 » Issue 6: Perfor... »

, but also in terms of whether the user is restricted to fixed values and parameters when creating a virtual machine. For example, one provider might offer virtual machines with a fixed 1GB of RAM, whereas

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An IT nomad's daily diary

30.11.2025

Home » Archive » 2011 » Issue 6: Perfor... »

("http://spacewalk.tuxgeek.de/cobbler_api") 06 token = conn.login(user, password) 07 08 cblr_systems = '/root/cobbler.csv' 09 10 if os.access(cblr_systems, os.F_OK): 11 print "Reading system configuration file %s" % cblr_systems 12

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Single sign-on with SSSD, LDAP, and Kerberos

30.11.2025

Home » Archive » 2010 » Issue 2: Backup... »

06 domains = tuxgeek 07 08 [nss] 09 filter_groups = root 10 filter_users = root 11 reconnection_retries = 3 12 13 [pam] 14 reconnection_retries = 3 15 16 [domain/tuxgeek] 17 auth_provider = krb5 18

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Intrusion detection with Prelude

30.11.2025

Home » Archive » 2012 » Issue 10: Traff... »

11 12 13 Order allow,deny 14 Allow from all 15 16 17 Alias /prewikka/ /usr/share/prewikka/htdocs/ 18 ScriptAlias / /usr/share/prewikka/cgi-bin/prewikka.cgi 19

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