متاح الآن! بحث تيليغرام 2025 — أهم رؤى العام 
Linux and DevOps
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إظهار المزيد📈 نظرة تحليلية على قناة تيليجرام Linux and DevOps
تُعد قناة Linux and DevOps (@linuxmastery) في القطاع اللغوي الإنكليزية لاعباً نشطاً. يضم المجتمع حالياً 66 182 مشتركاً، محتلاً المرتبة 2 491 في فئة التعليم والمرتبة 5 182 في منطقة الهند.
📊 مؤشرات الجمهور والحراك
منذ تأسيسه في невідомо، حقق المشروع نمواً سريعاً وجمع 66 182 مشتركاً.
بحسب آخر البيانات بتاريخ 15 يونيو, 2026، تحافظ القناة على نشاط مستقر. خلال آخر 30 يوماً تغيّر عدد الأعضاء بمقدار 410، وفي آخر 24 ساعة بمقدار 15، مع بقاء الوصول العام مرتفعاً.
- حالة التحقق: غير موثّقة
- معدل التفاعل (ER): يبلغ متوسط تفاعل الجمهور 14.57%. وخلال أول 24 ساعة من النشر يحصد المحتوى عادةً 3.73% من ردود الفعل نسبةً إلى إجمالي المشتركين.
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- التفاعلات والاستجابة: يتفاعل الجمهور بانتظام؛ متوسط التفاعلات لكل منشور يبلغ 27.
- الاهتمامات الموضوعية: يركز المحتوى على مواضيع رئيسية مثل linux, scripting, command, 040k|, docker.
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بفضل وتيرة التحديث المرتفعة (أحدث البيانات بتاريخ 16 يونيو, 2026) تحافظ القناة على حداثتها ومستوى وصول مرتفع. وتُظهر التحليلات تفاعلاً نشطاً من الجمهور، ما يجعلها نقطة تأثير مهمة ضمن فئة التعليم.
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📂 Full description
CentOS is a Linux distribution (derived from Red Hat Enterprise Linux) that's popular with system admins, DevOps engineers, and home users alike. It's also used by many organizations for development and production servers. In this course, learn how to install and make your way around CentOS, perform common tasks from the command line, and get a firewall, a web server, and shared folders up and running. Instructor Scott Simpson also shares troubleshooting tips and discusses security-enhanced Linux (SELinux), which adds an additional level of security to CentOS.
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🔅 Learning CentOS Linux
🌐 Author: Scott Simpson
🔰 Level: Beginner
⏰ Duration: 2h 11m
🌀 Learn how to install CentOS, perform common admin tasks from the command line, and get popular services up and running.📗 Topics: CentOS, Linux 📤 Join Linux and DevOps for more courses
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Quick Linux Tip 🐧
You can use the find command's -exec option to call an external program to perform a specific action on the returned files that match specific criteria. For example, deleting files, listing file perms, and so on.
$ find ~/ -type f -exec ls -lah {} \;exec ls - this tells find to execute the ls command on every filename that matches the search string.
• -lah - displays all files, including hidden files, their permissions, and other file metadata, such as sizes, in a human-readable format.
• {} - The “{}” placeholder represents each filename and must be the last item in the parameter list.
• ; - To indicate the end of the parameter list, a semicolon ";" is used. It must be escaped with a backslash "\" otherwise the shell will interpret it.
You can also use the + instead of the ; to indicate the end of the parameter list. There should be a space between the + and the curly braces "{}".
You can execute multiple commands using -exec in find. For example, this looks up word counts in text files and their disk usage in one invocation:
$ find . -name "*.txt" -exec wc {} \; -exec du -sh {} \;66 182
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66 182
🔰 Quick Linux Tip
If you're having trouble reading the directories in the $PATH variable, you can make use of the tr command to replace colons with the newline characters so each directory is displayed on a single line.
$ echo $PATH | tr ":" "\n"66 182
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66 182
🔰 Managing Swap Space
Imagine your system has only 2GB of RAM, but an application requires 3GB. Without swap space, this process would fail or crash because there isn’t enough memory available. With swap, however, the OS can shift inactive data into this overflow area, making room for the application.
In this way, swap acts as a safety net, allowing the system to handle memory-heavy tasks smoothly even when RAM is limited.
While swap space isn't as fast as physical RAM, it can be a lifesaver in those situations.
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66 182
🔰 Quick Linux Tip🐧
You can enable timestamps in your bash command history to see when you ran previous commands. This can be useful for tracing what you were working on and when.To add timestamps to your history, just set the HISTTIMEFORMAT environment variable like so:
$ export HISTTIMEFORMAT="%F %T "$ history | tail -n 5
Or to save a couple of keystrokes:
$ history 5
The format "%F %T" shows the date and time, but you can customize it to your liking.
Note: This does not put historical timestamps on commands you executed before setting HISTTIMEFORMAT and also this only works in bash.
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🔅 How to Use AppImages on Linux: A Beginner’s Guide
The Linux Crash Course series on Learn Linux TV will teach you a valuable Linux-related concept or skill, one video at a time! This time around, Jay details the "AppImage", a special app format you can download and run immediately.
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🔰 Linux tar command
The tar command in Linux is a go-to tool for creating backups, bundling files, and compressing archives.
Short for tape archive, tar lets you group files into archives commonly called tarballs and compress them using algorithms like gzip, bzip2, and xz.
If you’re packaging software or simply managing file storage, tar is a powerful tool to have in your Linux toolkit.
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tar command - how to archive files in Linux
The tar command in Linux is a go-to tool for creating backups, bundling files, and compressing archives.
Short for tape archive, tar lets you group files into archives commonly called tarballs and compress them using algorithms like gzip, bzip2, and xz.
If you’re packaging software or simply managing file storage, tar is a powerful tool to have in your Linux toolkit.
66 182
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