Requirements
- Target platform
- OpenClaw
- Install method
- Manual import
- Extraction
- Extract archive
- Prerequisites
- OpenClaw
- Primary doc
- SKILL.md
Tencent SkillHub ยท Developer Tools
Linux
Operate Linux systems avoiding permission traps, silent failures, and common admin mistakes.
skill openclawclawhub Free
Operate Linux systems avoiding permission traps, silent failures, and common admin mistakes.
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Install for OpenClaw
Quick setup
- Download the package from Yavira.
- Extract the archive and review SKILL.md first.
- Import or place the package into your OpenClaw setup.
Package facts
- Download mode
- Yavira redirect
- Package format
- ZIP package
- Source platform
- Tencent SkillHub
- What's included
- SKILL.md
Validation
- Use the Yavira download entry.
- Review SKILL.md after the package is downloaded.
- Confirm the extracted package contains the expected setup assets.
Install with your agent
Agent handoff
Hand the extracted package to your coding agent with a concrete install brief instead of figuring it out manually.
- Download the package from Yavira.
- Extract it into a folder your agent can access.
- Paste one of the prompts below and point your agent at the extracted folder.
New install
I downloaded a skill package from Yavira. Read SKILL.md from the extracted folder and install it by following the included instructions. Tell me what you changed and call out any manual steps you could not complete.
Upgrade existing
I downloaded an updated skill package from Yavira. Read SKILL.md from the extracted folder, compare it with my current installation, and upgrade it while preserving any custom configuration unless the package docs explicitly say otherwise. Summarize what changed and any follow-up checks I should run.
Trust & source
Release facts
- Source
- Tencent SkillHub
- Verification
- Indexed source record
- Version
- 1.0.0
Provenance
- Publisher
- ivangdavila
- Source page
- View original listing
- Canonical URL
- Open canonical page
Documentation
Permission Traps
chmod 777 fixes nothing, breaks everything โ find the actual owner/group issue Setuid on scripts is ignored for security โ only works on binaries chown -R follows symlinks outside target directory โ use --no-dereference Default umask 022 makes files world-readable โ set 077 for sensitive systems ACLs override traditional permissions silently โ check with getfacl
Process Gotchas
kill sends SIGTERM by default, not SIGKILL โ process can ignore it nohup doesn't work if process already running โ use disown instead Background job with & still dies on terminal close without disown or nohup Zombie processes can't be killed โ parent must call wait() or be killed kill -9 skips cleanup handlers โ data loss possible, use SIGTERM first
Filesystem Traps
Deleting open file doesn't free space until process closes it โ check lsof +L1 rm -rf /path / with accidental space = disaster โ use rm -rf /path/ trailing slash Inodes exhausted while disk shows space free โ many small files problem Symlink loops cause infinite recursion โ find -L follows them /tmp cleared on reboot โ don't store persistent data there
Disk Space Mysteries
Deleted files held open by processes โ lsof +L1 shows them, restart process to free Reserved blocks (5% default) only for root โ tune2fs -m 1 to reduce Journal eating space โ journalctl --vacuum-size=500M Docker overlay eating space โ docker system prune -a Snapshots consuming space โ check LVM, ZFS, or cloud provider snapshots
Networking
localhost and 127.0.0.1 may resolve differently โ check /etc/hosts Firewall rules flushed on reboot unless saved โ iptables-save or use firewalld/ufw persistence netstat deprecated โ use ss instead Port below 1024 requires root โ use setcap for capability instead TCP TIME_WAIT exhaustion under load โ tune net.ipv4.tcp_tw_reuse
SSH Traps
Wrong permissions on ~/.ssh = silent auth failure โ 700 for dir, 600 for keys Agent forwarding exposes your keys to remote admins โ avoid on untrusted servers Known hosts hash doesn't match after server rebuild โ remove old entry with ssh-keygen -R SSH config Host blocks: first match wins โ put specific hosts before wildcards Connection timeout on idle โ add ServerAliveInterval 60 to config
Systemd
systemctl enable doesn't start service โ also need start restart vs reload: restart drops connections, reload doesn't (if supported) Journal logs lost on reboot by default โ set Storage=persistent in journald.conf Failed service doesn't retry by default โ add Restart=on-failure to unit Dependency on network: After=network.target isn't enough โ use network-online.target
Cron Pitfalls
Cron has minimal PATH โ use absolute paths or set PATH in crontab Output goes to mail by default โ redirect to file or /dev/null Cron uses system timezone, not user's โ set TZ in crontab if needed Crontab lost if edited incorrectly โ crontab -l > backup before editing @reboot runs on daemon restart too, not just system reboot
Memory and OOM
OOM killer picks "best" victim, often not the offender โ check dmesg for kills Swap thrashing worse than OOM โ monitor with vmstat Memory usage in free includes cache โ "available" is what matters Process memory in /proc/[pid]/status โ VmRSS is actual usage cgroups limit respected before system OOM โ containers die first
Commands That Lie
df shows filesystem capacity, not physical disk โ check underlying device du doesn't count sparse files correctly โ file appears smaller than disk usage ps aux memory percentage can exceed 100% (shared memory counted multiple times) uptime load average includes uninterruptible I/O wait โ not just CPU top CPU percentage is per-core โ 400% means 4 cores maxed
Category context
Code helpers, APIs, CLIs, browser automation, testing, and developer operations.
Source: Tencent SkillHub
Largest current source with strong distribution and engagement signals.
Package contents
Included in package
1 Docs
- SKILL.md