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What’s one small thing you’ve done that made your systems noticeably more secure or stable?
Could be an alias, a config tweak, a tool, or a habit.
Sometimes it’s not the big overhauls that save the day but the five-minute […]
[Original post on mastodon.social]
What’s one small thing you’ve done that made your systems noticeably more secure or stable?
Could be an alias, a config tweak, a tool, or a habit.
Sometimes it’s not the big overhauls that save the day but the five-minute […]
[Original post on mastodon.social]
🔒 Default-deny firewalls (ufw or firewalld)
🧰 Disable unneeded services
🖧 Use SSH keys, not passwords
📊 Watch /var/log/secure for odd activity
Host hardening is your first defense, not your […]
[Original post on mastodon.social]
🔒 Default-deny firewalls (ufw or firewalld)
🧰 Disable unneeded services
🖧 Use SSH keys, not passwords
📊 Watch /var/log/secure for odd activity
Host hardening is your first defense, not your […]
[Original post on mastodon.social]
A few quick checks:
1) Ensure no one logs in directly as root
2) Use sudo with proper group assignments
3) Enforce strong password or key policies
4) Monitor failed logins via […]
[Original post on mastodon.social]
A few quick checks:
1) Ensure no one logs in directly as root
2) Use sudo with proper group assignments
3) Enforce strong password or key policies
4) Monitor failed logins via […]
[Original post on mastodon.social]
In my session from @almalinux Day: Vancouver, I walk through how AlmaLinux, paired with live patching via #KernelCare, keeps creative pipelines secure and stable without interrupting rendering, editing, or production flow!
Whether you’re running a […]
In my session from @almalinux Day: Vancouver, I walk through how AlmaLinux, paired with live patching via #KernelCare, keeps creative pipelines secure and stable without interrupting rendering, editing, or production flow!
Whether you’re running a […]
This week, I’m joined by Brodie Robertson to talk about the display server drama of the decade: the end of X11 and the rise of Wayland.
We dig into:
🖥️ The weird, wonderful history of X11
⚙️ Why Wayland is different (and […]
[Original post on mastodon.social]
This week, I’m joined by Brodie Robertson to talk about the display server drama of the decade: the end of X11 and the rise of Wayland.
We dig into:
🖥️ The weird, wonderful history of X11
⚙️ Why Wayland is different (and […]
[Original post on mastodon.social]
This weekend […]
[Original post on mastodon.social]
This weekend […]
[Original post on mastodon.social]
ping -c4 host. # Basic reachability
ip route show # Check routing table
ss -tuln # View open sockets
traceroute host # Trace the path
What’s your favorite first step when something won’t connect?
#linux #networking #sysadmin #techtips
ping -c4 host. # Basic reachability
ip route show # Check routing table
ss -tuln # View open sockets
traceroute host # Trace the path
What’s your favorite first step when something won’t connect?
#linux #networking #sysadmin #techtips
Ever need to copy a large directory but keep permissions and links intact? Try:
rsync -avh /source/ /destination/
-a preserves permissions, links, timestamps
-v gives you progress
-h makes sizes human-readable
Bonus: add --progress if […]
[Original post on mastodon.social]
Ever need to copy a large directory but keep permissions and links intact? Try:
rsync -avh /source/ /destination/
-a preserves permissions, links, timestamps
-v gives you progress
-h makes sizes human-readable
Bonus: add --progress if […]
[Original post on mastodon.social]
Sometimes the win isn’t finishing everything — it’s keeping momentum without burning out.
What’s one small win […]
[Original post on mastodon.social]
Sometimes the win isn’t finishing everything — it’s keeping momentum without burning out.
What’s one small win […]
[Original post on mastodon.social]
Networking 101 on #linux doesn’t have to be intimidating. A few go-to commands can tell you almost everything you need to know:
ip addr # View IPs and interfaces
ip route # Show routing table
ping -c4 host # Test connectivity
ss -tuln # […]
[Original post on mastodon.social]
Networking 101 on #linux doesn’t have to be intimidating. A few go-to commands can tell you almost everything you need to know:
ip addr # View IPs and interfaces
ip route # Show routing table
ping -c4 host # Test connectivity
ss -tuln # […]
[Original post on mastodon.social]
Update packages? Create a new user and disable root login? Install your favorite tools?
For me, it’s usually setting up #ansible access!
What’s your ritual?
#linux #sysadmin #opensource #itcareers
Update packages? Create a new user and disable root login? Install your favorite tools?
For me, it’s usually setting up #ansible access!
What’s your ritual?
#linux #sysadmin #opensource #itcareers
I chat with #jeffryullman, creator of the LinkedIn Job Search Masterclass, about escaping the résumé black hole, optimizing your profile, and building your brand.
🎧 […]
[Original post on mastodon.social]
I chat with #jeffryullman, creator of the LinkedIn Job Search Masterclass, about escaping the résumé black hole, optimizing your profile, and building your brand.
🎧 […]
[Original post on mastodon.social]
#mememonday #linux #sysadmin
#mememonday #linux #sysadmin
rm -rf / without a backup
“Can you just reboot production real quick?”
A surprise kernel panic at 17:00 on a Friday
Happy Halloween, everyone!
May your logs be clean and your uptime unbroken.
#halloween #sysadmin #linux #itlife
rm -rf / without a backup
“Can you just reboot production real quick?”
A surprise kernel panic at 17:00 on a Friday
Happy Halloween, everyone!
May your logs be clean and your uptime unbroken.
#halloween #sysadmin #linux #itlife
You’ll need to get familiar with CUPS — the Common Unix Printing System.
Try these quick commands:
lpstat -p # List printers
lpadmin -p PRINTER -E -v DEVICE -m DRIVER # Add a printer
cancel -a # Cancel all jobs
CUPS makes it […]
[Original post on mastodon.social]
You’ll need to get familiar with CUPS — the Common Unix Printing System.
Try these quick commands:
lpstat -p # List printers
lpadmin -p PRINTER -E -v DEVICE -m DRIVER # Add a printer
cancel -a # Cancel all jobs
CUPS makes it […]
[Original post on mastodon.social]
What’s one old-school piece of tech or process you secretly miss?
Floppy disks? Physical install media? Walking a USB stick across the datacenter? 😅
Drop yours below ⬇️
#itcareers #sysadmin #technostalgia
What’s one old-school piece of tech or process you secretly miss?
Floppy disks? Physical install media? Walking a USB stick across the datacenter? 😅
Drop yours below ⬇️
#itcareers #sysadmin #technostalgia
I’ve been recording a ton of new explainers on how we help sysadmins make Linux management a little less… chaotic.
My latest video digs into one of […]
[Original post on mastodon.social]
I’ve been recording a ton of new explainers on how we help sysadmins make Linux management a little less… chaotic.
My latest video digs into one of […]
[Original post on mastodon.social]
In this solo episode, I share my own experience and the best advice I’ve heard on recovering, rebuilding, and moving forward.
🎧 https://podcast.itguyeric.com/16
🎥 https://youtu.be/mWunqmHLHy4 […]
[Original post on mastodon.social]
In this solo episode, I share my own experience and the best advice I’ve heard on recovering, rebuilding, and moving forward.
🎧 https://podcast.itguyeric.com/16
🎥 https://youtu.be/mWunqmHLHy4 […]
[Original post on mastodon.social]
This week, I sit down with #chrisdemars to talk all things Developer Relations - from open source to on-stage nerves. We dig into what […]
[Original post on mastodon.social]
This week, I sit down with #chrisdemars to talk all things Developer Relations - from open source to on-stage nerves. We dig into what […]
[Original post on mastodon.social]
Want to check what packages on your system have known vulnerabilities? On most Linux distros you can run:
$ rpm -q --changelog
or
apt changelog
Handy when you’re troubleshooting or […]
[Original post on mastodon.social]
Want to check what packages on your system have known vulnerabilities? On most Linux distros you can run:
$ rpm -q --changelog
or
apt changelog
Handy when you’re troubleshooting or […]
[Original post on mastodon.social]