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25%
Read-only file compression with SquashFS
14.08.2017
Home »  Archive  »  2017  »  Issue 40: Lean...  » 
Lead Image © modella, 123RF.com
:31 FS_scan.csv $ gzip -9 FS_scan.csv $ ls -lsah FS_scan.csv.gz 268K -rw-r--r-- 1 laytonjb laytonjb 261K 2014-06-09 20:31 FS_scan.csv.gz The original file is 3.2MB, but after using gzip with the -9
25%
Installing and operating the Graylog SIEM solution
13.12.2018
Home »  Archive  »  2018  »  Issue 48: Secur...  » 
Lead Image © Leo Blanchette, 123RF.com
], and MongoDB 3.6 [3]. If not already present, installing Java (as root or using sudo) before Elasticsearch and MongoDB is recommended: yum install java-1.8.0-openjdk-headless.x86_64 You should remain root
25%
Network backups with Amanda
05.12.2016
Home »  Archive  »  2016  »  Issue 36: Autom...  » 
Lead Image © Tommaso Lizzul, 123RF.com
on the server. Many distributions only offer somewhat old versions of Amanda. If you want to install on Ubuntu 16.04 LTS, for example, you get Amanda 3.3.6, which was released in mid-2014. However, if you
25%
Registry for Docker images
01.08.2019
Home »  Archive  »  2019  »  Issue 52: Stop...  » 
Lead Image © Viktoriya Malova, 123RF.com
Registry-Config ¸bereinstimmen! 07 expiration: 900 08 users: 09 # Password is specified as a BCrypt hash. Use `htpasswd -nB USERNAME` to generate. 10 "oliver": 11 password: "$2y$05
25%
Manage status messages in CouchDB with MapReduce
27.09.2024
Home »  Archive  »  2024  »  Issue 83: Storage  » 
Photo by Austin Distel on Unsplash
Design Document with Views { "_id": "_design/queries", "_rev": "6-856a5c52b1a9f33e136b7f044b14a8e6", "language": "javascript", "views": { "by-timestamp": { "map": "function (doc) {\n
25%
Secure SSH connections the right way
28.11.2021
Home »  Archive  »  2021  »  Issue 66: Inci...  » 
Lead Image © Olivier Le Moal, 123RF.com
of this type could look like. Listing 3 Generating Certificates $ ssh-keygen -s ca_root_key -h -n server.example.com,172.16.155.130 -I server.example.com -V +180d server.example.com $ ssh
25%
Why Good Applications Don't Scale
02.02.2021
Home »  Archive  »  2021  »  Issue 61: Secur...  » 
Lead Image © man64, 123RF.com
a : Notice that the denominator is now a function of n 2. From Equation 8 you can plot the speedup. As with the previous problem, assume a parallel portion p = 0.8, leaving a serial portion s = 0
25%
Security data analytics and visualization with R
05.12.2014
Home »  Archive  »  2014  »  Issue 24: Visua...  » 
Lead Image © Rancz Andrei, 123RF.com
Worksheet(patchstats, sheet = 2) 013 sheet3 <- readWorksheet(patchstats, sheet = 3) 014 sheet4 <- readWorksheet(patchstats, sheet = 4) 015 sheet5 <- readWorksheet(patchstats, sheet = 5) 016 sheet6 <- read
25%
Server virtualization with Citrix XenServer
04.08.2011
Home »  CloudAge  »  Articles  » 
 
the biggest rentable cloud today: the Amazon Web Service. Based on this extremely mature technology, Citrix launched Version 5.6 of its XenServer product family in May 2010. XenServer, the product built around ... Version 5.6 of Citrix XenServer is a feature-stripped version of the virtualization product and is available free, in addition to the commercial Advanced, Enterprise, and Platinum editions.
25%
Backups using rdiff-backup and rsnapshot
11.02.2016
Home »  Archive  »  2016  »  Issue 31: Tunin...  » 
Lead Image © Dmitry Pichugin, Fotolia.com
. Level 5 displays whether a file is changed; however, each processed file is listed in level 6: # rdiff-backup -v5 /etc/ /mnt/backup [...] Incrementing mirror file /mnt/backup Processing changed file X11

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