Top Tweets for #valtersit
A 2AM VPS crash with no backups taught me to automate. Now GitHub Actions and Ansible provision and harden my servers in minutes, zero manual SSH.
https://t.co/UAI9QAj3Jq
#devops #ansible #githubactions #cybersecurity #infosec #Microsoft #CVE #infosec #XSS #valtersit #snippet #infosec #SysAdmin #cybersecurity #Linux #devsecops #devops #developer #sysadmin #100daysofcode #git #github #gitlab #redteam #blueteam #ethicalhacker #cybersecurityawareness #cybersecurity #cybersecuritynews #cybersecuritytips #python #hacker #linux #kali #ubuntu #debian #docker
Set up the ICMP prober for high-frequency latency and packet loss monitoring via raw sockets. Captures RTT, TTL, IPv4/IPv6 stats.
https://t.co/zeuK8SyvDW
#blackbox #icmp #ValtersIT #infosec #SysAdmin #cybersecurity #Linux #devsecops #devops #developer #sysadmin #100daysofcode #git #github #gitlab #redteam #blueteam #ethicalhacker #cybersecurityawareness #cybersecurity #cybersecuritynews #cybersecuritytips #python #hacker #linux #kali #ubuntu #debian #docker
Your .env file is one gitignore slip from a credential leak. Here's how to replace it with Vault and dynamic secrets that expire on their own. https://t.co/047Z5ffw5w
#devsecops #vault #security #valtersit #snippet #infosec #SysAdmin #cybersecurity #Linux #devsecops #devops #developer #sysadmin #100daysofcode #git #github #gitlab #redteam #blueteam #ethicalhacker #cybersecurityawareness #cybersecurity #cybersecuritynews #cybersecuritytips #python #hacker #linux #kali #ubuntu #debian #ukraine #spain #ireland #unitedkingdom #canada #finland #estonia #lithuania #ireland #hungary #denmark #norway #malta #mexico #switczerland #china #france #germany #docker #kali
149 lines of Python that checks SSL cert expiry across a host list and warns you before it breaks prod. Beginner-friendly. python3 ssl_check.py --hosts hosts.txt --warn-days 30
https://t.co/VcQtMiVONk
#python #devops #ssl #valtersit #snippet #infosec #SysAdmin #cybersecurity #Linux #devsecops #devops #developer #sysadmin #100daysofcode #git #github #gitlab #redteam #blueteam #ethicalhacker #cybersecurityawareness #cybersecurity #cybersecuritynews #cybersecuritytips #python #hacker #linux #kali #ubuntu #debian #ukraine #spain #ireland #unitedkingdom #canada #finland #estonia #lithuania #ireland #hungary #denmark #norway #malta #mexico #switczerland #china #france #germany #docker #kali
Still hosting your files on someone else's servers? Nextcloud in Docker puts you back in control. Watch: https://t.co/QrkC83ocLi #valtersit #snippet #infosec #SysAdmin #cybersecurity #Linux #devsecops #devops #developer #sysadmin #100daysofcode #git #github #gitlab #redteam #blueteam #ethicalhacker #cybersecurityawareness #cybersecurity #cybersecuritynews #cybersecuritytips #python #hacker #linux #kali #ubuntu #debian #ukraine #spain #ireland #unitedkingdom #canada #finland #estonia #lithuania #ireland #hungary #denmark #norway #malta #mexico #switczerland #china #france #germany #docker #kali
Bind ports <1024 without root. Use setcap to grant CAP_NET_BIND_SERVICE to your binary instead of SUID or running as root. Granular privilege, no https://t.co/ru2j5ASdef
#linux #capabilities #setcap #valtersit #snippet #infosec #SysAdmin #cybersecurity #Linux #devsecops #devops #developer #sysadmin #100daysofcode #git #github #gitlab #redteam #blueteam #ethicalhacker #cybersecurityawareness #cybersecurity #cybersecuritynews #cybersecuritytips #python #hacker #linux #kali #ubuntu #debian #ukraine #spain #ireland #unitedkingdom #canada #finland #estonia #lithuania #ireland #hungary #denmark #norway #malta #mexico #switczerland #china #france #germany #docker #kali
OpenVPN runs in user space, WireGuard in the kernel. That gap decides your throughput under load. We break down the real performance and https://t.co/bIFMQrmeet #WireGuard #OpenVPN #Networking #valtersit #snippet #infosec #SysAdmin #cybersecurity #Linux #devsecops #devops #developer #sysadmin #100daysofcode #git #github #gitlab #redteam #blueteam #ethicalhacker #cybersecurityawareness #cybersecurity #cybersecuritynews #cybersecuritytips #python #hacker #linux #kali #ubuntu #debian #ukraine #spain #ireland #unitedkingdom #canada #finland #estonia #lithuania #ireland #hungary #denmark #norway #malta #mexico #switczerland #china #france #germany #docker #kali
Python script that hashes files in /etc with SHA256, stores a baseline in SQLite, and flags any change. 238 lines, intermediate level. Useful for catching tampering with https://t.co/tpSYZFPhcb #python #security #infosec #valtersit #snippet #infosec #SysAdmin #cybersecurity #Linux #devsecops #devops #developer #sysadmin #100daysofcode #git #github #gitlab #redteam #blueteam #ethicalhacker #cybersecurityawareness #cybersecurity #cybersecuritynews #cybersecuritytips #python #hacker #linux #kali #ubuntu #debian #ukraine #spain #ireland #unitedkingdom #canada #finland #estonia #lithuania #ireland #hungary #denmark #norway #malta #mexico #switczerland #china #france #germany #docker #kali
Zero-downtime DB maintenance with ProxySQL: flip mysql_servers status ONLINE to OFFLINE_SOFT, let existing sessions finish, keep new traffic off https://t.co/zyv0e1V1at
#mysql #proxysql #maintenance #valtersit #snippet #infosec #SysAdmin #cybersecurity #Linux #devsecops #devops #developer #sysadmin #100daysofcode #git #github #gitlab #redteam #blueteam #ethicalhacker #cybersecurityawareness #cybersecurity #cybersecuritynews #cybersecuritytips #python #hacker #linux #kali #ubuntu #debian #ukraine #spain #ireland #unitedkingdom #canada #finland #estonia #lithuania #ireland #hungary #denmark #norway #malta #mexico #switczerland #china #france #germany #docker #kali
One compromised WordPress plugin reached a payment DB in 90 seconds. Flat network, no VLANs, no firewall rules between services. Here's how to https://t.co/4r6fKGjgkz
#VLAN #Networking #InfoSec #valtersit #snippet #infosec #SysAdmin #cybersecurity #Linux #devsecops #devops #developer #sysadmin #100daysofcode #git #github #gitlab #redteam #blueteam #ethicalhacker #cybersecurityawareness #cybersecurity #cybersecuritynews #cybersecuritytips #python #hacker #linux #kali #ubuntu #debian #ukraine #spain #ireland #unitedkingdom #canada #finland #estonia #lithuania #ireland #hungary #denmark #norway #malta #mexico #switczerland #china #france #germany #docker #kali
Property-based testing with Hypothesis in Python: 228 lines, advanced level, pytest-powered. Finds edge cases your example tests miss.
https://t.co/tuDHbsodVG
#testing #python #hypothesis #valtersit #snippet #infosec #SysAdmin #cybersecurity #Linux #devsecops #devops #developer #sysadmin #100daysofcode #git #github #gitlab #redteam #blueteam #ethicalhacker #cybersecurityawareness #cybersecurity #cybersecuritynews #cybersecuritytips #python #hacker #linux #kali #ubuntu #debian #ukraine #spain #ireland #unitedkingdom #canada #finland #estonia #lithuania #ireland #hungary #denmark #norway #malta #mexico #switczerland #china #france #germany #docker #kali
Kustomize remote bases: pin a Git repo to an exact commit SHA with ?ref= for reproducible builds. Lock infra to a known revision. https://t.co/q85YasVB0p #kubernetes #kustomize #devops #valtersit #snippet #infosec #SysAdmin #cybersecurity #Linux #devsecops #devops #developer #sysadmin #100daysofcode #git #github #gitlab #redteam #blueteam #ethicalhacker #cybersecurityawareness #cybersecurity #cybersecuritynews #cybersecuritytips #python #hacker #linux #kali #ubuntu #debian #ukraine #spain #ireland #unitedkingdom #canada #finland #estonia #lithuania #ireland #hungary #denmark #norway #malta #mexico #switczerland #china #france #germany #docker #kali
Stop fighting OpenVPN configs and firewall rules. Tailscale uses WireGuard to build a mesh VPN that just works, no port forwarding or DNS headaches. Here is how to set it up. https://t.co/bOP8eG6wK7 #tailscale #wireguard #homelab #valtersit #snippet #infosec #SysAdmin #cybersecurity #Linux #devsecops #devops #developer #sysadmin #100daysofcode #git #github #gitlab #redteam #blueteam #ethicalhacker #cybersecurityawareness #cybersecurity #cybersecuritynews #cybersecuritytips #python #hacker #linux #kali #ubuntu #debian #ukraine #spain #ireland #unitedkingdom #canada #finland #estonia #lithuania #ireland #hungary #denmark #norway #malta #mexico #switczerland #china #france #germany #docker #kali
ProxySQL caches query results at the proxy layer. Set cache_ttl (ms) on a rule, results hash by digest+params, and reads hit memory instead of https://t.co/4IsIbgXprD #proxysql #caching #performance #ValtersIT #infosec #SysAdmin #cybersecurity #Linux #devsecops #devops #developer #sysadmin #100daysofcode #git #github #gitlab #redteam #blueteam #ethicalhacker #cybersecurityawareness #cybersecurity #cybersecuritynews #cybersecuritytips #python #hacker #linux #kali #ubuntu #debian #docker
Single-node Docker Swarm on a VPS is a cargo cult. Ripping it out for plain Compose gives you simpler secrets, healthchecks, and zero swarm overhead. Here is the migration https://t.co/DL7EZs96eP
#docker #devops #compose #ValtersIT #infosec #SysAdmin #cybersecurity #Linux #devsecops #devops #developer #sysadmin #100daysofcode #git #github #gitlab #redteam #blueteam #ethicalhacker #cybersecurityawareness #cybersecurity #cybersecuritynews #cybersecuritytips #python #hacker #linux #kali #ubuntu #debian #docker
Grafana shows you the spike, not the reason. This 238-line Python script pushes deploy/incident annotations to your dashboards via the API. Beginner-friendly, just requests. https://t.co/1JabVPfaZR #python #grafana #devops #ValtersIT #infosec #SysAdmin #cybersecurity #Linux #devsecops #devops #developer #sysadmin #100daysofcode #git #github #gitlab #redteam #blueteam #ethicalhacker #cybersecurityawareness #cybersecurity #cybersecuritynews #cybersecuritytips #python #hacker #linux #kali #ubuntu #debian #docker
CVE-2026-80994 Linux kernel openvswitch use-after-free on flow deletion. No CVSS assigned, patch status unknown. If you run OVS, treat as urgent. https://t.co/8nwk2CqIiZ #CVE #Linux #infosec #cybersecurity #infosec #Microsoft #CVE #infosec #XSS #valtersit #snippet #infosec #SysAdmin #cybersecurity #Linux #devsecops #devops #developer #sysadmin #100daysofcode #git #github #gitlab #redteam #blueteam #ethicalhacker #cybersecurityawareness #cybersecurity #cybersecuritynews #cybersecuritytips #python #hacker #linux #kali #ubuntu #debian #docker
Netty: 70 CVEs, 45% unpatched, max CVSS 8.7. No KEV exploits yet, but DoS flaws (CWE-400) dominate its stack. B score. Patch your Java networking layer.
https://t.co/nBX4KUUZmG
#cybersecurity #Java #infosec #cybersecurity #infosec #Microsoft #CVE #infosec #XSS #valtersit #snippet #infosec #SysAdmin #cybersecurity #Linux #devsecops #devops #developer #sysadmin #100daysofcode #git #github #gitlab #redteam #blueteam #ethicalhacker #cybersecurityawareness #cybersecurity #cybersecuritynews #cybersecuritytips #python #hacker #linux #kali #ubuntu #debian #docker
Secure gNMI transport: run a Capabilities request over mTLS with strict X.509 SAN validation. HTTP/2, TLS 1.3, dual cert checks with gnmic. https://t.co/t7LVMUSqlo #gnmi #tls #openconfig
#openconfig #snippet #gnmi #python #devops #infra #redis #sharding #ValtersIT #infosec #SysAdmin #cybersecurity #Linux #devsecops #developer #100daysofcode #git #github #gitlab #redteam #blueteam #ethicalhacker #cybersecurityawareness #cybersecuritynews #cybersecuritytips #hacker #kali #ubuntu #debian #docker
OOM killer firing in cgroups v2? Learn to profile OOM events and read oom_score plus oom_score_adj per process on Ubuntu, Debian, RHEL. https://t.co/gHDtCqmWKJ #linux #oom #kernel #ValtersIT #infosec #SysAdmin #cybersecurity #Linux #devsecops #devops #developer #sysadmin #100daysofcode #git #github #gitlab #redteam #blueteam #ethicalhacker #cybersecurityawareness #cybersecurity #cybersecuritynews #cybersecuritytips #python #hacker #linux #kali #ubuntu #debian #docker
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