{"id":1677,"date":"2019-05-29T14:31:55","date_gmt":"2019-05-29T07:31:55","guid":{"rendered":"https:\/\/www.linuxid.net\/post\/?p=1677"},"modified":"2025-04-18T15:21:59","modified_gmt":"2025-04-18T08:21:59","slug":"install-dan-konfigurasi-sar-untuk-monitoring-sistem-linux","status":"publish","type":"post","link":"https:\/\/www.linuxid.net\/post\/install-dan-konfigurasi-sar-untuk-monitoring-sistem-linux\/","title":{"rendered":"Install dan Konfigurasi SAR Untuk Monitoring Sistem Linux"},"content":{"rendered":"<p>Tutorial ini berfokus pada instalasi dan konfigurasi utilitas sar dan ksar pada CentOS, Debian dan Ubuntu dan menunjukkan cara membuat laporan PDF secara otomatis dengan menggunakan skrip shell sederhana untuk memudahkan pemantauan penggunaan sumber daya server harian.<\/p>\n<h2>Bagian 1: Install Software Pemantauan SAR<\/h2>\n<p>SAR (<em>system activity reports<\/em>) adalah alat pemantau sistem yang ringan dan real-time. SAR dapat memberikan laporan penggunaan sumber daya server sesuai kebutuhan. SAR memberikan output pada terminal secara default dan juga menyimpan informasi per-hari, Jadi SAR akan menjadi utilitas yang sangat berguna dan kuat untuk Administrator Sistem.<\/p>\n<p>SAR dapat diinstal dalam semua Linux flavors, SAR adalah bagian dari paket sysstat.<\/p>\n<h3>Instal dan Konfigurasi SAR<\/h3>\n<p>Untuk Debian\/Ubuntu<\/p>\n<pre># sudo apt-get install sysstat<\/pre>\n<p>Untuk RedHat\/CentOS<\/p>\n<pre># sudo yum install sysstat<\/pre>\n<p>Atau jika Anda ingin install sysstat terbaru dari source.<\/p>\n<pre>wget http:\/\/pagesperso-orange.fr\/sebastien.godard\/sysstat-12.1.4.tar.bz2&#13;\ntar -xvf sysstat-12.1.4.tar.bz2&#13;\ncd sysstat-12.1.4\/&#13;\n.\/configure --enable-install-cron&#13;\nmake&#13;\nmake install<\/pre>\n<p>Jika Anda menginstal sar dari source maka ia akan install systat di<code> \/usr\/local\/bin\/<\/code><\/p>\n<p>Setelah instalasi, verifikasi versi SAR<\/p>\n<pre># sar -V&#13;\n\u00a0sysstat version 11.2.0<\/pre>\n<p>Setelah itu, pastikan untuk memverifikasi pengumpulan data SAR telah diaktifkan.<\/p>\n<p>Di Ubuntu, buka file konfigurasi sysstat dengan <a href=\"https:\/\/www.linuxid.net\/post\/cara-menggunakan-text-editor-nano-di-baris-perintah-linux\/\">perintah nano<\/a>\u00a0dan periksa nilai <code>ENABLED<\/code><\/p>\n<pre>#sudo nano \/etc\/default\/sysstat &#13;\nENABLED=\"true\"<\/pre>\n<p>kemudian restart layanan sar dan aktifkannya pada startup sistem.<\/p>\n<pre># systemctl start sysstat&#13;\n# systemctl enable sysstat<\/pre>\n<p>Sekarang periksa sar telah berfungsi dengan baik dalam sistem dengan menjalankan perintah berikut. Di sini interval waktu <strong>2<\/strong> detik dan output <strong>4<\/strong> kali.<\/p>\n<pre>[system@redhat ~]$ sar 2 4 &#13;\nLinux 5.0.16-200.fc29.x86_64 (redhat) \u00a0\u00a0 \u00a005\/22\/2019 \u00a0\u00a0 \u00a0_x86_64_\u00a0\u00a0 \u00a0(4 CPU)&#13;\n&#13;\n12:18:13 AM\u00a0\u00a0\u00a0\u00a0 CPU\u00a0\u00a0\u00a0\u00a0 %user\u00a0\u00a0\u00a0\u00a0 %nice\u00a0\u00a0 %system\u00a0\u00a0 %iowait\u00a0\u00a0\u00a0 %steal\u00a0\u00a0\u00a0\u00a0 %idle&#13;\n12:18:15 AM\u00a0\u00a0\u00a0\u00a0 all\u00a0\u00a0\u00a0\u00a0\u00a0 1.25\u00a0\u00a0\u00a0\u00a0\u00a0 0.00\u00a0\u00a0\u00a0\u00a0\u00a0 0.50\u00a0\u00a0\u00a0\u00a0\u00a0 0.00\u00a0\u00a0\u00a0\u00a0\u00a0 0.00\u00a0\u00a0\u00a0\u00a0 98.24&#13;\n12:18:17 AM\u00a0\u00a0\u00a0\u00a0 all\u00a0\u00a0\u00a0\u00a0\u00a0 2.50\u00a0\u00a0\u00a0\u00a0\u00a0 0.00\u00a0\u00a0\u00a0\u00a0\u00a0 0.38\u00a0\u00a0\u00a0\u00a0\u00a0 0.00\u00a0\u00a0\u00a0\u00a0\u00a0 0.00\u00a0\u00a0\u00a0\u00a0 97.12&#13;\n12:18:19 AM\u00a0\u00a0\u00a0\u00a0 all\u00a0\u00a0\u00a0\u00a0\u00a0 2.12\u00a0\u00a0\u00a0\u00a0\u00a0 0.00\u00a0\u00a0\u00a0\u00a0\u00a0 0.62\u00a0\u00a0\u00a0\u00a0\u00a0 0.12\u00a0\u00a0\u00a0\u00a0\u00a0 0.00\u00a0\u00a0\u00a0\u00a0 97.12&#13;\n12:18:21 AM\u00a0\u00a0\u00a0\u00a0 all\u00a0\u00a0\u00a0\u00a0\u00a0 1.75\u00a0\u00a0\u00a0\u00a0\u00a0 0.00\u00a0\u00a0\u00a0\u00a0\u00a0 0.50\u00a0\u00a0\u00a0\u00a0\u00a0 0.00\u00a0\u00a0\u00a0\u00a0\u00a0 0.00\u00a0\u00a0\u00a0\u00a0 97.75&#13;\n\u00a0Average:\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 all\u00a0\u00a0\u00a0\u00a0\u00a0 1.91\u00a0\u00a0\u00a0\u00a0\u00a0 0.00\u00a0\u00a0\u00a0\u00a0\u00a0 0.50\u00a0\u00a0\u00a0\u00a0\u00a0 0.03\u00a0\u00a0\u00a0\u00a0\u00a0 0.00\u00a0\u00a0\u00a0\u00a0 97.56<\/pre>\n<p>Kita cukup menjalankan perintah sar untuk memeriksa penggunaan sumber daya.<\/p>\n<pre>[root@redhat script]# sar&#13;\nLinux 5.0.16-200.fc29.x86_64 (redhat) \u00a0\u00a0 \u00a005\/24\/2019 \u00a0\u00a0 \u00a0_x86_64_\u00a0\u00a0 \u00a0(4 CPU)&#13;\n&#13;\n12:00:01 AM\u00a0\u00a0\u00a0\u00a0 CPU\u00a0\u00a0\u00a0\u00a0 %user\u00a0\u00a0\u00a0\u00a0 %nice\u00a0\u00a0 %system\u00a0\u00a0 %iowait\u00a0\u00a0\u00a0 %steal\u00a0\u00a0\u00a0\u00a0 %idle&#13;\n12:10:01 AM\u00a0\u00a0\u00a0\u00a0 all\u00a0\u00a0\u00a0\u00a0\u00a0 4.02\u00a0\u00a0\u00a0\u00a0\u00a0 0.05\u00a0\u00a0\u00a0\u00a0\u00a0 1.45\u00a0\u00a0\u00a0\u00a0\u00a0 1.40\u00a0\u00a0\u00a0\u00a0\u00a0 0.00\u00a0\u00a0\u00a0\u00a0 93.09&#13;\n12:20:01 AM\u00a0\u00a0\u00a0\u00a0 all\u00a0\u00a0\u00a0\u00a0\u00a0 6.27\u00a0\u00a0\u00a0\u00a0\u00a0 0.02\u00a0\u00a0\u00a0\u00a0\u00a0 1.82\u00a0\u00a0\u00a0\u00a0\u00a0 0.56\u00a0\u00a0\u00a0\u00a0\u00a0 0.00\u00a0\u00a0\u00a0\u00a0 91.33&#13;\n12:30:01 AM\u00a0\u00a0\u00a0\u00a0 all\u00a0\u00a0\u00a0\u00a0 10.61\u00a0\u00a0\u00a0\u00a0\u00a0 0.03\u00a0\u00a0\u00a0\u00a0\u00a0 2.69\u00a0\u00a0\u00a0\u00a0\u00a0 0.64\u00a0\u00a0\u00a0\u00a0\u00a0 0.00\u00a0\u00a0\u00a0\u00a0 86.03&#13;\n12:40:01 AM\u00a0\u00a0\u00a0\u00a0 all\u00a0\u00a0\u00a0\u00a0\u00a0 9.26\u00a0\u00a0\u00a0\u00a0\u00a0 0.05\u00a0\u00a0\u00a0\u00a0\u00a0 2.45\u00a0\u00a0\u00a0\u00a0\u00a0 0.59\u00a0\u00a0\u00a0\u00a0\u00a0 0.00\u00a0\u00a0\u00a0\u00a0 87.65<\/pre>\n<p>Secara default interval sar diatur ke setiap 10 menit. Kita dapat mengubah nilai ini dengan mengedit file berikut.<\/p>\n<pre>sudo nano \/etc\/cron.d\/sysstat<\/pre>\n<pre># Run system activity accounting tool every 10 minutes&#13;\n*\/10 * * * * root \/usr\/lib64\/sa\/sa1 1 1&#13;\n# 0 * * * * root \/usr\/lib64\/sa\/sa1 600 6 &amp;&#13;\n# Generate a daily summary of process accounting at 23:53&#13;\n53 23 * * * root \/usr\/lib64\/sa\/sa2 -A<\/pre>\n<p>Dalam file di atas, sa1 adalah skrip shell untuk mengumpulkan dan menyimpan data binary dalam aktivitas sistem, file data harian dan sa2 adalah skrip shell yang menulis laporan harian di \/var\/log\/sa pada akhir hari (23:53 pada waktu di <a href=\"https:\/\/www.linuxid.net\/post\/tutorial-cron-job-dan-crontab-untuk-otomatisasi-tindakan\/\">cronjob<\/a>).<\/p>\n<h2>Bagian 2: Install KSAR<\/h2>\n<p>KSAR menghasilkan grafik dari nilai SAR yang sangat mudah untuk dianalisis. KSAR didasarkan pada <a href=\"https:\/\/www.linuxid.net\/post\/tutorial-install-dan-konfigurasi-java-di-debian-9\/\">JAVA<\/a> sehingga kita harus memiliki JDK 8 atau lebih yang diinstal pada sistem kita. KSAR bukan bagian dari repositori sistem, kita harus mengunduh KSAR secara manual.<\/p>\n<p>Pertama, instal java di redhat \/ centos<\/p>\n<pre>sudo yum install java-1.8.0-OpenJDK.x86_64<\/pre>\n<p>kemudian install ksar pada sistem<\/p>\n<pre>wget https:\/\/excellmedia.dl.sourceforge.net\/project\/ksar\/ksar\/5.0.6\/kSar-5.0.6.zip&#13;\nunzip kSar-5.0.6.zip&#13;\ncd kSar-5.0.6\/<\/pre>\n<p>Sekarang kumpulkan statistik perintah sar menggunakan perintah berikut..<\/p>\n<pre>LC_ALL=C sar -A -f \/var\/log\/sa\/sa21 &gt; ~\/Desktop\/sar21&#13;\n<\/pre>\n<pre>sudo chmod u+x run.sh<\/pre>\n<pre>sh run.sh &amp;<\/pre>\n<p>kita harus menjalankan skrip run.sh sebagai user normal, jangan jalankan skrip KSAR sebagai pengguna root atau dengan awalan <a href=\"https:\/\/www.linuxid.net\/post\/pengertian-perintah-sudo-di-linux\/\"><code>sudo<\/code><\/a>.<\/p>\n<p>sekarang KSAR akan menampilkan GUI yang mudah digunakan dan sederhana.<\/p>\n<p><a href=\"https:\/\/www.linuxid.net\/assets\/media\/centos\/33482\/Page-1-Load-file.png\"><img fetchpriority=\"high\" decoding=\"async\" class=\" td-modal-image alignnone size-large wp-image-35154\" src=\"https:\/\/www.linuxid.net\/assets\/media\/centos\/33482\/Page-1-Load-file-750x413.png\" alt=\"Page 1 - Load file\" width=\"696\" height=\"383\"\/><\/a><\/p>\n<p>Sekarang Klik <strong>Data<\/strong> -&gt;<strong>Load from text file<\/strong> -&gt; cari file di ~\/Desktop\/<strong>sar21<\/strong>.<\/p>\n<p><a href=\"https:\/\/www.linuxid.net\/assets\/media\/centos\/33482\/Page-2-Export-PDF.png\"><img loading=\"lazy\" decoding=\"async\" class=\" td-modal-image alignnone size-large wp-image-35155\" src=\"https:\/\/www.linuxid.net\/assets\/media\/centos\/33482\/Page-2-Export-PDF-750x606.png\" alt=\"Page 2 - Export PDF\" width=\"696\" height=\"562\"\/><\/a><\/p>\n<p>Sekarang file sar telah dimuat di KSAR.<\/p>\n<p>Sekarang kita dapat mengekspor grafik dalam format pdf, jpg, png, csv, txt. Di sini kita mengekspor grafik dalam pdf dan memilih semua nilai selama ekspor pdf.<\/p>\n<p><a href=\"https:\/\/www.linuxid.net\/assets\/media\/centos\/33482\/Page-3-CPU-Load-Monitoring.png\"><img loading=\"lazy\" decoding=\"async\" class=\" td-modal-image alignnone size-large wp-image-35156\" src=\"https:\/\/www.linuxid.net\/assets\/media\/centos\/33482\/Page-3-CPU-Load-Monitoring-750x603.png\" alt=\"Page 3 - CPU Load Monitoring\" width=\"696\" height=\"560\"\/><\/a><\/p>\n<p>Sekarang buka pdf tersebut, maka akan menampilkan semua sumber daya server.<\/p>\n<p>Di sini kita dapat\u00a0memantau CPU load dalam sehari di server.<\/p>\n<p><a href=\"https:\/\/www.linuxid.net\/assets\/media\/centos\/33482\/Page-4-Memory-Usage-graph.png\"><img loading=\"lazy\" decoding=\"async\" class=\" td-modal-image alignnone size-large wp-image-35157\" src=\"https:\/\/www.linuxid.net\/assets\/media\/centos\/33482\/Page-4-Memory-Usage-graph-750x406.png\" alt=\"Page 4 - Memory Usage graph\" width=\"696\" height=\"377\"\/><\/a><\/p>\n<p>Ini adalah penggunaan memori dalam satu hari<\/p>\n<p><a href=\"https:\/\/www.linuxid.net\/assets\/media\/centos\/33482\/Page-5-Daily-Memory-Usage-graph.png\"><img loading=\"lazy\" decoding=\"async\" class=\" td-modal-image alignnone wp-image-35158 size-large\" src=\"https:\/\/www.linuxid.net\/assets\/media\/centos\/33482\/Page-5-Daily-Memory-Usage-graph-750x538.png\" alt=\"Page 5 - Daily Memory Usage graph\" width=\"696\" height=\"499\"\/><\/a><\/p>\n<p>Dengan cara ini kita dapat memantau dan menghasilkan data CPU, memori, prosesor, I\/O, swap, soket, dan banyak grafik sumber daya sistem lainnya yang sangat mudah untuk berguna untuk pemantauan harian.<\/p>\n<h2>Bagian 3: Buat Script Untuk\u00a0Pemantauan<\/h2>\n<p>KSAR GUI sangat user-friendly. Tetapi skrip akan menghasilkan grafik KSAR harian lebih efektif dan menghemat waktu.<\/p>\n<p>Di bagian ini, kita akan membuat dua script.<\/p>\n<p>Script pertama akan menghasilkan grafik selama sehari setiap hari.<\/p>\n<pre>vi sar_script.sh<\/pre>\n<pre>#!\/bin\/bash&#13;\ni=`date --date=\"1 days ago\" +%d`&#13;\nLC_ALL=C sar -A -f \/var\/log\/sa\/sa$i &gt; \/home\/admin\/sar_report\/sardaily_report$i&#13;\ncd \/home\/soham\/Downloads\/kSar-5.0.6\/&#13;\njava -jar kSar.jar -input \/home\/admin\/sar_report\/sardaily_report$i -outputPDF \/home\/admin\/sar_report\/sardaily$(date --date=\"1 days ago\" +%b)$i.pdf&#13;\necho \"Ksar graph successfully generated\"<\/pre>\n<pre>sudo chmod u+x sar_script.sh<\/pre>\n<p>Script di atas akan menghasilkan laporan sumber daya sistem dalam satu hari. Kita dapat mengatur script ini dalam cronjob untuk mengotomatiskan pembuatan grafik sar dalam format pdf.<\/p>\n<pre>crontab -e<\/pre>\n<pre>* 10 * * * \/bin\/sh \/home\/admin\/script\/sar_script.sh<\/pre>\n<p>Cronjob ini menghasilkan grafik pdf setiap hari dari nilai sar pada pukul 10 pagi.<\/p>\n<p>Selanjutnya, kami akan menghasilkan laporan statistik sar untuk sebulan penuh.<\/p>\n<pre>#!\/bin\/bash&#13;\n&#13;\nfunction sar_value(){&#13;\n#This is set for 31 possible days.&#13;\nfor i in 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31; do&#13;\nLC_ALL=C sar -A -f \/var\/log\/sa\/sa$i &gt;&gt; \/home\/admin\/sar_report\/sarmonthly$(date --date=\"1 days ago\" +%b).txt&#13;\ndone&#13;\n}&#13;\n&#13;\nFunction for script&#13;\nsar_value<\/pre>\n<p>Sekarang kita mengambil file teks output script pertama di atas sebagai input pada script kedua untuk menghasilkan grafik pdf.<\/p>\n<pre>java -jar kSar.jar -input \/home\/admin\/sar_report\/sarmonthly$(date --date=\"1 days ago\" +%b).txt -outputPDF \/home\/admin\/sar_report\/sar_monthly.pdf<\/pre>\n<p>Ini akan menghasilkan laporan sebulan penuh dalam satu file pdf.<\/p>\n<p>Kita dapat menyiapkan cron untuk pembuatan laporan secara otomatis seperti yang ditunjukkan di atas. Jika kita ingin mengarahkan laporan grafik kSar dari server ke komputer lokal maka kita dapat mengatur <a href=\"https:\/\/www.linuxid.net\/post\/cara-konfigurasi-login-ssh-tanpa-password\/\">ssh tanpa sandi<\/a> antara server dan komputer lokal dan mengatur otomatisasi dengan menambahkan <a href=\"https:\/\/www.linuxid.net\/post\/tutorial-transfer-file-dengan-rsync-melalui-ssh\/\">rsync<\/a> ke dalam skrip di atas.<\/p>\n<p>Dengan cara ini kita dapat menggunakan utilitas sar dengan\u00a0 sangat efektif untuk tugas pemantauan harian sistem.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tutorial ini berfokus pada instalasi dan konfigurasi utilitas sar dan ksar pada CentOS, Debian dan&hellip;<\/p>\n","protected":false},"author":2,"featured_media":1678,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[11],"tags":[15,44,16,71,167,24,14],"class_list":["post-1677","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-centos","tag-centos","tag-cms","tag-debian","tag-file-system","tag-ubuntu-server","tag-virtualization","tag-web-server"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v24.7 - 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