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70%
Monitoring daemons with shell tools
30.11.2025
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»
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
70%
Compressed Archives for User Projects
11.08.2025
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:52 data1_08022025.tar.gz 4 drwxrwxr-
x
3
laytonjb laytonjb 4096 Aug 2
09
:55 . 4 drwxr-
x
--- 18 laytonjb laytonjb 4096 Aug 2
09
:56 .. Now change directories into the mounted archive
70%
Strategies for routing voice calls around a firewall
30.11.2025
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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
69%
Enterprise communication with IRC
30.11.2025
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»
2012
»
Issue 10: Traff...
»
on */ 17 port = 5556; 18 19 /* hub mask: the mask of servers that this server may hub. Multiple
20
* entries are permitted 21 */
22
hub_mask = "*"; 23 24
69%
Quick patches with Ansible
27.05.2025
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2025
»
Issue 87: Light...
»
a particularly important role if you don't have access to powerful, but potentially expensive, tools like SUSE Multi-Linux Manager [1] or Uyuni [2]. In such a case, it's worth considering Ansible [
3
]. Inventory
69%
Shell scripts: Equal rights for Unix derivatives and Linux
30.11.2025
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2010
»
Issue 2: Backup...
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OS*) 15 PING="ping" 16 PING2="" 17 ;; 18 esac 19 ...
20
21 for i in server1 server2 server
3
workstation1 workstation2
22
do 23 $PING $i $PING2 > /dev/null 24 if [ "$?" != "0
69%
Workshop: Container virtualization with LXC on Ubuntu 10.04
30.11.2025
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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
69%
pfSense firewall and router distribution
30.11.2025
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2012
»
Issue 07: Xen v...
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. Because it had to run in RAM, extensions were difficult. This situation prompted the two to start working on their own distribution and spawned the development of pfSense [1]. The core of version
2.0
from
69%
Clustering with OpenAIS and Corosync
30.11.2025
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2011
»
Issue 3: Are yo...
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name: iscsi1 18 Node ID: 1 19 Multicast addresses: 239.192.181.106
20
Node addresses: 192.168.122.171 Note that the current cluster version
3
.0 no longer contains a cluster configuration system ...
3
68%
Reading and understanding database execution plans
31.10.2025
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2012
»
Issue 12: NAS S...
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| 355 | 18 |*
3
| INDEX RANGE SCAN | SALES_DATE | | 26 | 19 | 4 | TABLE ACCESS FULL | EMPLOYEES | 9M | 478 |
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