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29%
Let the editor wars begin!
11.10.2016
Home »  Archive  »  2016  »  Issue 35: Persi...  » 
Lead Image © Kirill Makarov, 123RF.com
, interesting, and worthwhile exercise. I argue that systems administration needs a command-line editor, because it can be used even if X windows isn't working or isn't installed on the servers. Knowing how
29%
A script for strict packet filter updates
05.12.2016
Home »  Archive  »  2016  »  Issue 36: Autom...  » 
Lead Image © french 03, photocase.com
008 # Automatically remove old rules after X seconds 009 UNBLOCK_TIME=$((60 * 60 * 24 * 30)) # Unblock after 30 days 010 011 # IPs that should never be locked (can also be a prefix) 012 LAST
29%
Network backups with Amanda
05.12.2016
Home »  Archive  »  2016  »  Issue 36: Autom...  » 
Lead Image © Tommaso Lizzul, 123RF.com
" 20 compress client fast 21 } 22 holdingdisk hd1 { 23 directory "/amanda/holding" 24 use 50 mbytes 25 chunksize 1 mbyte 26 } The first line beginning with org gives a description
29%
Fundamentals of I/O benchmarking
11.04.2016
Home »  Archive  »  2016  »  Issue 32: Measu...  » 
Lead Image © Kheng Ho Toh, 123RF.com
needed to reposition the read head is eliminated. The admin can monitor merging of I/O blocks with iostat -x. This assumes the use of the filesystem cache. In Listing 2, wrqm/s stands for write requests
29%
Automated Azure Kubernetes Service cluster builds
01.06.2024
Home »  Archive  »  2024  »  Issue 81: Load...  » 
Lead Image © Kittipong Jirasukhanont, 123RF.com
is available on your system. I'm using Ubuntu Linux 22.04 (Jammy Jellyfish) for reference. The installation instructions I skip through can be found online [2]. Proceed as the root user to get the correct
29%
Have a Bash with the Zing network utility
25.09.2023
Home »  Archive  »  2023  »  Issue 77: Secur...  » 
Photo by Micah Tindell on Unsplash
of the number of ports, the count, and the limit of the operation. The defaults are ports = 2, count = 6, and limit = 4, so the product, 2x6x4=48, is the total number of netcat operations. The fourth and final
29%
Microsoft Exchange replacement
20.06.2022
Home »  Archive  »  2022  »  Issue 69: Terra...  » 
Photo by Gabriel Crismariu on Unsplash
-Host "Removing outdated $MigMBox.pst file." -fore yellow 20 } 21 Write-Host "" 22 23 # Create a .pst file for every mailbox found on system. 24 # 25 Write-Host "Exporting mailbox $MigMBox to file $Mig
29%
Expand your sphere with a piece of Google
30.11.2025
Home »  Archive  »  2011  »  Issue 4: Secure...  » 
© artida, 123RF.com
="**/*.jar" /> 20 21 22 23 24 25
29%
Touring the top Knoppix debugging and rescue tools
30.11.2025
Home »  Archive  »  2010  »  Issue 0: Active...  » 
Rafal Olechowski, 123RF.com
="4096" 12 13 # Last offset to try 14 final_offset="$(du -b "$DEV" | cut -f 1)" 15 16 # A free loop device 17 LOOP="/dev/loop2" 18 19 # Start 20 offset=0 21 22 while [ "$offset" -lt "$final_offset" ]; do
29%
OpenVPN with e-tokens in large-scale environments
30.11.2025
Home »  Archive  »  2011  »  Issue 5: Pen Te...  » 
© sTan, fotolia.com
persist-key 18 persist-tun 19 client-config-dir /etc/openvpn/ccd 20 ccd-exclusive 21 status /var/log/openvpn/status.log 22 log-append /var/log/openvpn/openvpn.log 23 verb 5 The important thing here

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