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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%
Processing the new sudo logging format
26.03.2025
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2025
»
Issue 86: Data...
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to a file: { "accept": { "server_time": { "seconds": 1716370731, "nanoseconds": 137298080, "iso8601": "20240522093851Z", "localtime": "May
22
09
70%
Strategies for routing voice calls around a firewall
30.11.2025
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Archive
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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
70%
Managing FOSS applications on AIX
27.05.2025
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2025
»
Issue 87: Light...
»
with the requested packages. The tool helps you avoid the well-known and feared RPM "dependency hell" problem [
3
]. DNF works with an existing software repository that contains RPM packages. The repository can
70%
Troubleshooting SELinux
30.11.2025
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2010
»
Issue 0: Active...
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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
69%
Enterprise communication with IRC
30.11.2025
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2012
»
Issue 10: Traff...
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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
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Issue 87: Light...
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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%
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
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