Version: 26.9.2
Operating System: macOS
Developer: Jierui Information Technology Co., Ltd.
Interface language: English, Simplified Chinese, Traditional Chinese, Japanese, Korean, Russian, German, French, Spanish, Portuguese, Italian, Turkish, Polish, Ukrainian, Vietnamese, Thai, Indonesian, Arabic
ServerCat - SSH Terminal
One SSH login becomes a live status board for Linux servers, and a shell opens in the same Mac window when you need to type.
Reading the host without an agent
You add a host with a normal user account, password or key, and the app reads the Linux kernel proc tree over SSH. Nothing is installed on the machine, and root is not required. The status view is built from counters since boot: three load rings for the last 1, 5, and 15 minutes, used memory beside page cache, and disk read and write speed. Per-core CPU splits system time, user time, and I/O wait. Network rows show traffic and speed, plus the TCP retransmission rate as a rough signal of loss or latency. GPU use and the processes behind it appear when the host exposes them. Docker containers and their stats join the same page when that user is in the docker group. A refresh interval lets you slow polling if a large list of hosts is noisy.
From the dashboard into a session
Monitoring is the free tier. Premium, listed in the US store as $5.99 per year or $18.99 lifetime, with a separate $5.99 upgrade discount, opens the SSH shell, background sessions, container create and manage, and sync of saved hosts. On a Mac the terminal stays inside the same window. Keepalive cuts idle drops after a few minutes, and each server can run a startup command as soon as that terminal opens. The shell can use fonts already installed on the Mac, including Nerd Font icons, plus color themes. Saved snippets can fire the same command across several servers. Credentials stay AES-encrypted on the device. Optional sync goes through your iCloud account, not a server run by Early Moon. The vendor says it does not upload host data to its own servers. The App Store privacy label still lists usage data and crash diagnostics that are not linked to your identity.
Where the picture stays incomplete
Charts are a Linux story. The vendor says macOS, FreeBSD, and other kernels lack the same proc counters, so those hosts will not show every ring even though an SSH session still connects. Some runtime figures for Macs you monitor were added in an earlier build, but that is not a full substitute for the Linux dashboard. Docker on a Mac host can also miss the binary until the SSH login PATH includes it. Version 26.9.2, which needs macOS 14.1 or later, fixes sync that failed on older iOS and macOS releases and makes that sync update in real time. Built-in Terminal is enough for a local shell. This client earns a place when the job is a fleet of Linux boxes you want to see before you type.
Show full description Pros & Cons Show details
PROS[*]The 1/5/15 load rings, per-core CPU time, memory with page cache, disk throughput, and TCP retransmission land on one status page after a single SSH login.
[*]No monitoring agent is copied to the server, and a normal user account is enough for the Linux counters.
[*]The free tier already covers CPU, GPU, memory, network, disk, and Docker stats before any purchase.
[*]Premium keeps the shell inside the Mac window, with keepalive, a per-server startup command, system fonts, and Nerd Font icons.
[*]Host records are AES-encrypted on device, and cross-device sync uses your iCloud space rather than the developer's servers.
[*]Saved snippets can run the same command across several machines without opening each session by hand.
CONS[*]The interactive shell, background SSH, container create and manage, and iCloud sync sit behind Premium at $5.99 per year or $18.99 lifetime.
[*]Linux proc supplies most charts, so macOS and FreeBSD targets still will not show the full status board.
[*]Docker figures require the login to be in the docker group, and a Mac Docker install often stays invisible until the SSH PATH includes the binary.
[*]Counters are cumulative since boot; the app is a live view, not a long-term metrics store.
[*]Apple's privacy label reports usage data and crash diagnostics, even though host secrets are not sent to Early Moon's servers.
[*]macOS 14.1 is the floor, so Macs still on Ventura or earlier cannot run this build.
What's New in 26.9.2 Show details [*][Older-system sync] - Fixes data sync that could fail on older versions of iOS and macOS.
[*][Real-time sync] - Synchronization now updates as changes happen instead of waiting on a delayed pass.
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ServerCat - SSH Terminal 26.9.2 for Mac (30 MB)
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