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15%
Boost performance of your Python programs
30.11.2025
Home »  Archive  »  2010  »  Issue 2: Backup...  » 
Eric Isselée, 123RF
(number, label): 07 for i in xrange(number): 08 print ' ' + str(i) + ' ' + label 09 sleep((number - 15)/10.0) 10 11 if '__main__' == __name__: 12 13 p1 = Process(target = count, args = (20
15%
Connecting dissimilar IPsec implementations
30.11.2025
Home »  Archive  »  2011  »  Issue 4: Secure...  » 
© Yuri Arcurs, 123RF.com
dh_group modp1024; 09 } 10 generate_policy off; 11 } 12 13 sainfo address 192.168.2.0/24 any address 172.16.0.0/16 any { 14 pfs_group modp1024; 15 encryption_algorithm aes256; 16
15%
Setting up MariaDB replication with the help of XtraBackup
05.12.2016
Home »  Archive  »  2016  »  Issue 36: Autom...  » 
Lead Image © Kran Kanthawong, 123RF.com
_Master_Log_Pos: 140927111 09 Relay_Log_File: mysqld-relay-bin.000002 10 Relay_Log_Pos: 11109399 11 Relay_Master_Log_File: mariadb-bin.000008 12 Slave_IO_Running: Yes 13
15%
Monitoring daemons with shell tools
30.11.2025
Home »  Archive  »  2010  »  Issue 1: System...  » 
© Shariff Che'Lah, 123RF.com
check) or as RC scripts. Listing 2 CUPS Monitoring 01 #! /bin/sh 02 03 while true 04 do 05 06 lpq -Plp | grep -q "lp is ready" 07 08 if [ $? -gt 0 ] 09 then 10 cupsenable lp 11 fi 12
15%
Understanding the Status of Your Filesystem
18.06.2014
Home »  HPC  »  Articles  » 
- 112 days]:   8101  (  2.09%)  ( 25.12% cumulative)    [ 112- 168 days]:  47729  ( 12.30%)  ( 37.42% cumulative)    [ 168- 252 days]:   3578  (  0.92%)  ( 38.34% cumulative)    [ 252- 365 days]:   4970
15%
The practical benefits of network namespaces
15.08.2016
Home »  Archive  »  2016  »  Issue 34: Softw...  » 
Lead Image © Morganimation, fotolia.com
,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast state UP group default qlen 1000 09 inet 192.168.1.123/24 scope global eth1 10 valid_lft forever preferred_lft forever 11 12 $ ip netns exec ns1 ip route add default
15%
Using Libvirt with Python to manage virtual machines
21.08.2014
Home »  Archive  »  2014  »  Issue 22: OpenS...  » 
Lead Image © fourseasons, 123RF.com
hv = [ "tiffy.tuxgeek.de", "ernie.tuxgeek.de" ] 07 08 for hv_host in hv: 09 10 uri = "qemu+ssh://virtuser@" + hv_host + "/system" 11 conn = libvirt.openReadOnly(uri) 12 13 hypervisor_name = conn ... 22
15%
Get the best out of your bandwidth with tc
30.11.2025
Home »  Archive  »  2012  »  Issue 10: Traff...  » 
© Russell Shively, 123RF.com
is as follows: tc filter add dev $DEV protocol ip parent 1:0 prio 100 u32 match ip $DIR 12.34.56.78 flowid 1:12 You'll be glad to know the filter's config is much simpler than the classes or the qdisc
15%
Build a honeypot with real-world alerts
01.08.2019
Home »  Archive  »  2019  »  Issue 52: Stop...  » 
Lead Image © Bruce Rolff, 123RF.com
. The takeaway is the -j LOG option (line 12), which logs port scanning behavior to a logfile with the iptables: prefix. Listing 1 iptable Rules 01 *filter 02 *filter 03 :INPUT ACCEPT [0:0] 04
15%
Docker image security analysis
01.08.2019
Home »  Archive  »  2019  »  Issue 52: Stop...  » 
Photo by Rodolfo Sanches Carvalho on Unsplash
CREATED SIZE nginx f09fe80eb0e7 12 days ago 109MB nginx latest 35640fed495c 12 days ago 109MB Backdoor Access Considering how well Docker Scan handled

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