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31.10.2025

Home » Archive » 2012 » Issue 12: NAS S... »

application. Today, it's very easy to get laptops with at least two, if not four, cores. Desktops can easily have eight cores with lots of memory. You can also get x86 servers with 64 cores that access all

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Managing Active Directory at the command line

30.11.2025

Home » Archive » 2010 » Issue 0: Active... »

The introduction of PowerShell [3] sees Microsoft finally implement long overdue changes to Windows scripting. Unfortunately, PowerShell Version 1 was no big help for Active Directory (AD ... Professionally manage Active Directory users, groups, and other AD objects with Windows PowerShell Version 2.0.

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The next generation of Internet connectivity

30.11.2025

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

:%02x%02x\n' 19 83 20 235 Note that 6to4 relays (the machines that handle your traffic) use the anycast address of 192.88.99.1 (2002:c058:6301::), so finding out who is actually handling your traffic ... 3

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Fast system management from Puppet Labs

30.11.2025

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

20 21 22 23 24

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Ceph Dashboard at a Glance

02.06.2026

Home » Archive » 2026 » Issue 93 Disast... »

://docs.ceph.com/en/latest/rados/operations/crush-map/ CephX: https://docs.ceph.com/en/latest/rados/configuration/common/#authentication S3: https://aws.amazon.com/s3/ Swift: https://docs.openstack.org/swift/latest/ radosgw-admin: https

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Workshop: Container virtualization with LXC on Ubuntu 10.04

30.11.2025

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

:5 rwm 18 # consoles 19 lxc.cgroup.devices.allow = c 5:1 rwm 20 lxc.cgroup.devices.allow = c 5:0 rwm 21 lxc.cgroup.devices.allow = c 4:0 rwm 22 lxc.cgroup.devices.allow = c 4:1 rwm 23 # /dev/{,u}random 24

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Using the Expect scripting environment

30.11.2025

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

} 19 20 -re "($|%|>) " { interact } 21 22 timeout { 23 send_tty "No response from $host\n" 24 exit 25 } 26 } The script begins as usual by saving its arguments into variables

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Monitoring daemons with shell tools

30.11.2025

Home » Archive » 2010 » Issue 1: System... »

is not accessible! ****************" >> dba.log 15 /usr/local/etc/rc.d/002pgsql.sh start 16 sleep 15 17 psql -U monitor -d monitor -c "select * from watch;" 18 19 if [ $? -eq 0 ]; 20 21 then 22

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Strategies for routing voice calls around a firewall

30.11.2025

Home » Archive » 2010 » Issue 0: Active... »

and then rewrites the Contact header to contain the publicly reachable NAT gateway socket. Listing 3 shows an Invite request that has been modified by the SIP proxy: 18.17.16.15 is the gateway's public address; 20.22

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Troubleshooting SELinux

30.11.2025

Home » Archive » 2010 » Issue 0: Active... »

SELinux Information with -Z 01 # id -Z 02 user_u:system_r:unconfined_t 03 # ls -dZ /var/www/html 04 drwxr-xr-x root root system_u:object_r:httpd_sys_content_t /var/www/html 05 # ps -efZ | grep httpd 06

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