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16%
Managing virtual machines
30.11.2025
Home »  Archive  »  2012  »  Issue 09: Windo...  » 
© Igor Klimov, 123RF.com
), also remember the filesystem's extended attributes. Rsync uses the -X option for this, and tar understands --selinux and --xattrs. Later, you can umount the filesystem and run kpartx -d to delete
16%
Measuring the performance health of system nodes
02.08.2022
Home »  Archive  »  2022  »  Issue 70: Defen...  » 
Lead Image © Peter Hermes Furian, 123RF.com
be turned on and off according to what you want to check about the state of the node. Almost 20 years ago, when I worked for a Linux high-performance computing (HPC) company that no longer exists, we had
16%
Speed up your MySQL database
11.02.2016
Home »  Archive  »  2016  »  Issue 31: Tunin...  » 
Lead Image © Mikhail Dudarev, 123RF.com
your tuning actions. Are you looking for a shorter response time or more throughput? One objective could be, say: "Action X takes 3.5 seconds to complete after clicking – in future, we want to be done
16%
Error-correcting code memory keeps single-bit errors at bay
14.11.2013
Home »  Archive  »  2013  »  Issue 17: Cloud...  » 
Lead Image © Igor Stevanovic, 123RF.com
. This translates to Google's experiencing about 25,000-75,000 correctable errors (CE) per billion device hours per megabit, which translates to 2,000-6,000 CE/GB-yr (or about 250-750 CE/Gb-yr). This is much higher
16%
Exploring Kubernetes with Minikube
11.09.2018
Home »  Archive  »  2018  »  Issue 47: Findi...  » 
- containerPort: 80 19 20 --- 21 22 apiVersion: v1 23 kind: Service 24 metadata: 25 name: nginx-svc 26 labels: 27 run: nginx-svc 28 spec: 29 type: NodePort 30 ports: 31 - port: 80 32 protocol
16%
Getting a free TLS certificate from Let's Encrypt
13.06.2016
Home »  Archive  »  2016  »  Issue 33: IPv6...  » 
Lead Image © Stuart Miles, 123RF.com
for $i" 19 20 #If certs do not exist yet 21 FILE="$LECROOT/$i/cert.pem" 22 if [ ! -f "$FILE" ] 23 then 24 echo "$FILE does not exists, so lets get certificates" 25 cd /root/letsencrypt 26
16%
Update your Docker containers safely
07.06.2019
Home »  Archive  »  2019  »  Issue 51: Self-...  » 
Lead Image © yelenayemchuk, 123RF.com
this script, please let me know, preferably in Python 06 # hanscees@AT@hanscees.com 07 # modified from https://gist.github.com/cirocosta/17ea17be7ac11594cb0f290b0a3ac0d1x 08 09 set -o errexit 10 11 main() { 12
16%
Single sign-on with SSSD, LDAP, and Kerberos
30.11.2025
Home »  Archive  »  2010  »  Issue 2: Backup...  » 
Anja Kaiser; Fotolia
cache_credentials = True 19 ldap_id_use_start_tls = False 20 debug_level = 0 21 enumerate = True 22 krb5_kpasswd = tiffy.tuxgeek.de 23 ldap_schema = rfc2307bis 24 ldap_search_base = dc=tuxgeek,dc=de 25
16%
How to configure and use jailed processes in FreeBSD
14.03.2013
Home »  Archive  »  2013  »  Issue 13: IPv6...  » 
© Corina Rosu, 123RF.com
to jail>; 10 j.hostname = ; 11 j.ip_number = ; 12 /* call system call */ 13 i = jail(&j); 14 [...] 15 execv(, ...); 16 [...] 17 exit(0); 18
16%
Encrypting files
10.06.2015
Home »  Archive  »  2015  »  Issue 27: Fault...  » 
Lead Image © Yoichi Shimizu, 123RF.com
-bit and not the typical 32-bit keys. ZIP ZIP [12] is an archive file format, something along the lines of TAR. In addition to collecting files in a single archive file as tar does, zip can also

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