Popular Sysadmin Programming Tips
Reset a lost password on an Ubuntu VM
Matt Gauger
·
7 responses
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linux, sysadmin, vmware, ubuntu
How to name your servers
Julian Diaz
·
24 responses
·
linux, ascii, sysadmin, motd
DRBD & mkfs: Wrong medium type while trying to determine filesystem size
adamstrawson
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1 response
·
linux, sysadmin, file system, storage
Moving favorites from sequel pro ? Don't read the manual if you are using the last Sequel pro version
Gabriel
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5 responses
·
mysql, app, server, sysadmin
MOTDs on Amazon AMIs
Lee
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4 responses
·
ec2, sysadmin, motd, amazon ami
Send logwatch emails through msmtp
Luis Uribe
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0 responses
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sysadmin, logwatch, msmtp
GNU Make Tips & Tricks
Hatem Nassrat
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1 response
·
python, linux, make, tricks
Using host for DNS lookups
Nate Underwood
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0 responses
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linux, unix, sysadmin, macos
Getting system user or group ids by their names with Ruby
Chun-wei Kuo
·
0 responses
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ruby, linux, unix, sysadmin
Checking memory usage under Linux
Matt Willsher
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2 responses
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memory, sysadmin, linux
DNS propagation checker
James Barnett
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0 responses
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sysadmin, devops, dns
selectively compress a bunch of files
Ali Asad Lotia
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0 responses
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utilities, sysadmin, devops, pipes
Create a new swap file on Linux
Russ Lankenau
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0 responses
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linux, sysadmin
Update /etc/hosts File Efficiently
Andrew Lee
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0 responses
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emacs, security, vim, sysadmin
Installing Node.js in Ubuntu in 10 simple Steps
Allan MacGregor
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0 responses
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nodejs, linux, sysadmin, ubuntu
What version of Debian am I running
Andrew Sledge
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0 responses
·
sysadmin, debian
Monitoring your raspberry pi
Pedro Carriço
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0 responses
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ruby, gem, raspberrypi, monitoring
Selective filesystem remount
Ali Asad Lotia
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1 response
·
shell, linux, sysadmin, devops
TCP Traceroute for when ICMP/UDP fail
Irakli Nadareishvili
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0 responses
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udp, linux, tips, sysadmin
Reverse SSH Tunnels - SSHing to a computer behind a closed network / firewall
Udi M.
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0 responses
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ssh, sysadmin, servers
Get a list of packages installed via RPM
James Barnett
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0 responses
·
linux, sysadmin, devops, redhat
Fix bash shellshock bug in two steps (Ubuntu)
Cristóbal Castillo
·
0 responses
·
sysadmin, linux, ubuntu, bash
Get emails when your cronjob has an error
Phil Freo
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0 responses
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email, sysadmin, cron, error
OSX security basics
Carlos Sanz García
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0 responses
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osx, sysadmin, root, security basics
Trying to reverse ingeniering a snowflake?
Santiago Gil
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0 responses
·
puppet, chef, sysadmin, devops
Recent Activity
Remove all files in current directory other than x day
James Duncombe
·
sysadmin, shell
Debian - Truly Unattended Upgrades
Hatem Nassrat
·
system administration, sysadmin, debian, system upgrade
Fix bash shellshock bug in two steps (Ubuntu)
Cristóbal Castillo
·
sysadmin, linux, ubuntu, bash
Getting system user or group ids by their names with Ruby
Chun-wei Kuo
·
ruby, linux, unix, sysadmin
"htop" - the upgraded "top" replacement
Newest
Sysadmin
protips
Mike
·
linux, mac, sysadmin
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Coderwall Dev Community
Explore the all-time favorite tutorials, design patterns and engineering guides that thousands of readers keep sharing and coming back to, year after year.
These proven techniques, reusable code samples, programming tips and vibe coding habits earned their place through steady views and member likes.
Each entry here is still useful today, covering programming languages, frameworks and workflows that stay relevant long after they were first published.
Whether you're new to a tech stack or an experienced engineer refreshing your skills, start with the most useful tips our dev community members recommend and build on solid, well-tested coding knowledge.