{"id":2143,"date":"2022-10-24T19:24:28","date_gmt":"2022-10-24T19:24:28","guid":{"rendered":"https:\/\/sunucucozumleri.com\/?p=2143"},"modified":"2022-10-20T14:32:17","modified_gmt":"2022-10-20T14:32:17","slug":"linuxta-can-kurtaran-14-grep-komutu-kullanimi","status":"publish","type":"post","link":"https:\/\/sunucucozumleri.com\/blog\/linuxta-can-kurtaran-14-grep-komutu-kullanimi\/","title":{"rendered":"Linux&#8217;ta Can Kurtaran 14 Grep Komutu Kullan\u0131m\u0131"},"content":{"rendered":"<p><span>Linux grep komutunda uygulamal\u0131 k\u0131lavuz mu ar\u0131yorsunuz?\u00a0Bu k\u0131lavuzda linux&#8217;ta 14 grep komut \u00f6rne\u011fini ele alaca\u011f\u0131z.<\/span><\/p>\n<p><span>Grep, Linux\/Unix sistemlerinde bir dosyadan metin veya dize aramak i\u00e7in kullan\u0131lan bir komut sat\u0131r\u0131 arac\u0131d\u0131r.\u00a0Grep,\u00a0<\/span><span>k\u00fcresel d\u00fczenli ifade bask\u0131s\u0131 anlam\u0131na gelir.\u00a0<\/span><span>Belirtilen dizge ile bir grep komutu \u00e7al\u0131\u015ft\u0131rd\u0131\u011f\u0131m\u0131zda, e\u011fer e\u015fle\u015firse, mevcut dosyan\u0131n i\u00e7eri\u011fini de\u011fi\u015ftirmeden o dizgiyi i\u00e7eren dosyan\u0131n sat\u0131r\u0131n\u0131 g\u00f6sterecektir.<\/span><\/p>\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_82_2 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">Makale \u0130\u00e7eri\u011fi<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"\u0130\u00e7indekiler Tablosunu A\u00e7\/Kapat\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/sunucucozumleri.com\/blog\/linuxta-can-kurtaran-14-grep-komutu-kullanimi\/#grep_komutunun_sozdizimi\" >grep komutunun s\u00f6zdizimi<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/sunucucozumleri.com\/blog\/linuxta-can-kurtaran-14-grep-komutu-kullanimi\/#1_Bir_dosyada_bir_kelime_veya_dize_arama\" >1) Bir dosyada bir kelime veya dize arama<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/sunucucozumleri.com\/blog\/linuxta-can-kurtaran-14-grep-komutu-kullanimi\/#2_Birden_fazla_dosyada_desen_arama\" >2) Birden fazla dosyada desen arama<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/sunucucozumleri.com\/blog\/linuxta-can-kurtaran-14-grep-komutu-kullanimi\/#3_Desenle_eslesen_dosya_adlarini_yazdirin\" >3) Desenle e\u015fle\u015fen dosya adlar\u0131n\u0131 yazd\u0131r\u0131n<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/sunucucozumleri.com\/blog\/linuxta-can-kurtaran-14-grep-komutu-kullanimi\/#4_Satir_numarasini_cikis_satirlariyla_goruntuleyin\" >4) Sat\u0131r numaras\u0131n\u0131 \u00e7\u0131k\u0131\u015f sat\u0131rlar\u0131yla g\u00f6r\u00fcnt\u00fcleyin<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/sunucucozumleri.com\/blog\/linuxta-can-kurtaran-14-grep-komutu-kullanimi\/#5_Desen_eslesmesini_ters_cevirin\" >5) Desen e\u015fle\u015fmesini ters \u00e7evirin<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/sunucucozumleri.com\/blog\/linuxta-can-kurtaran-14-grep-komutu-kullanimi\/#6_Belirli_bir_desenle_baslayan_tum_satirlari_yazdirin\" >6) Belirli bir desenle ba\u015flayan t\u00fcm sat\u0131rlar\u0131 yazd\u0131r\u0131n<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/sunucucozumleri.com\/blog\/linuxta-can-kurtaran-14-grep-komutu-kullanimi\/#7_Belirli_bir_kelime_ile_biten_tum_satirlari_yazdirin\" >7) Belirli bir kelime ile biten t\u00fcm sat\u0131rlar\u0131 yazd\u0131r\u0131n<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/sunucucozumleri.com\/blog\/linuxta-can-kurtaran-14-grep-komutu-kullanimi\/#8_Deseni_yinelemeli_olarak_aramak\" >8) Deseni yinelemeli olarak aramak<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/sunucucozumleri.com\/blog\/linuxta-can-kurtaran-14-grep-komutu-kullanimi\/#9_Bir_dosyanin_tum_bos_satirlarini_yazdirin\" >9) Bir dosyan\u0131n t\u00fcm bo\u015f sat\u0131rlar\u0131n\u0131 yazd\u0131r\u0131n<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/sunucucozumleri.com\/blog\/linuxta-can-kurtaran-14-grep-komutu-kullanimi\/#10_Arama_yaparken_harf_durumunu_yoksay\" >10) Arama yaparken harf durumunu yoksay<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-12\" href=\"https:\/\/sunucucozumleri.com\/blog\/linuxta-can-kurtaran-14-grep-komutu-kullanimi\/#11_Birden_cok_kalibi_eslestirme\" >11) Birden \u00e7ok kal\u0131b\u0131 e\u015fle\u015ftirme<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-13\" href=\"https:\/\/sunucucozumleri.com\/blog\/linuxta-can-kurtaran-14-grep-komutu-kullanimi\/#12_Bir_dosyadan_desen_alir\" >12) Bir dosyadan desen al\u0131r<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-14\" href=\"https:\/\/sunucucozumleri.com\/blog\/linuxta-can-kurtaran-14-grep-komutu-kullanimi\/#13_Desenle_eslesen_satir_sayisini_sayin\" >13) Desenle e\u015fle\u015fen sat\u0131r say\u0131s\u0131n\u0131 say\u0131n<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-15\" href=\"https:\/\/sunucucozumleri.com\/blog\/linuxta-can-kurtaran-14-grep-komutu-kullanimi\/#14_Desen_eslestirmeden_once_ve_sonra_N_satir_yazdir\" >14) Desen e\u015fle\u015ftirmeden \u00f6nce ve sonra N sat\u0131r yazd\u0131r<\/a><\/li><\/ul><\/nav><\/div>\n<h3><span class=\"ez-toc-section\" id=\"grep_komutunun_sozdizimi\"><\/span><span>grep komutunun s\u00f6zdizimi<\/span><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><span>$ grep &lt;Se\u00e7enekler&gt; &lt;Arama Dizisi&gt; &lt;Dosya Ad\u0131&gt;<\/span><span id=\"ezoic-pub-ad-placeholder-166\" class=\"ezoic-adpicker-ad\"><\/span><\/p>\n<div class=\"Jbxd66Ss\"><\/div>\n<p><span>Se\u00e7enekler:<\/span><\/p>\n<p><img decoding=\"async\" class=\"alignnone size-full wp-image-2144\" src=\"https:\/\/sunucucozumleri.com\/wp-content\/uploads\/2022\/10\/Linuxta-Can-Kurtaran-14-Grep-Komutu-Kullanimi.webp\" alt=\"\" width=\"819\" height=\"690\" title=\"\" srcset=\"\/\/sunucucozumleri.com\/blog\/wp-content\/uploads\/2022\/10\/Linuxta-Can-Kurtaran-14-Grep-Komutu-Kullanimi.webp 819w, \/\/sunucucozumleri.com\/blog\/wp-content\/uploads\/2022\/10\/Linuxta-Can-Kurtaran-14-Grep-Komutu-Kullanimi-300x253.webp 300w, \/\/sunucucozumleri.com\/blog\/wp-content\/uploads\/2022\/10\/Linuxta-Can-Kurtaran-14-Grep-Komutu-Kullanimi-768x647.webp 768w\" sizes=\"(max-width: 819px) 100vw, 819px\" \/><\/p>\n<p><span>Daha fazla gecikmeden grep komut \u00f6rneklerine derinlemesine bakal\u0131m.<\/span><\/p>\n<h2><span class=\"ez-toc-section\" id=\"1_Bir_dosyada_bir_kelime_veya_dize_arama\"><\/span><span>1) Bir dosyada bir kelime veya dize arama<\/span><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><span>Grep komutunu ve ard\u0131ndan arama dizesini veya desenini \u00e7al\u0131\u015ft\u0131rd\u0131\u011f\u0131m\u0131zda, bir dosyan\u0131n e\u015fle\u015fen sat\u0131r\u0131n\u0131 yazd\u0131racakt\u0131r.\u00a0\u00d6rnek a\u015fa\u011f\u0131da g\u00f6sterilmi\u015ftir.<\/span><\/p>\n<p><span>\/etc\/passwd dosyas\u0131nda \u201cnobody\u201d kelimesini aray\u0131n,<\/span><\/p>\n<pre>$ grep nobody \/etc\/passwd\r\nnobody:x:65534:65534:nobody:\/nonexistent:\/usr\/sbin\/nologin<\/pre>\n<h2><span class=\"ez-toc-section\" id=\"2_Birden_fazla_dosyada_desen_arama\"><\/span>2) Birden fazla dosyada desen arama<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><span>Grep komutu kullan\u0131larak birden fazla dosyada bir kelime veya kal\u0131p aranabilir.\u00a0\/etc\/passwd, \/etc\/shadow ve \/etc\/gshadow dosyalar\u0131nda &#8216;sunucucozumleri&#8217; kelimesini aramak i\u00e7in a\u015fa\u011f\u0131dakileri \u00e7al\u0131\u015ft\u0131r\u0131n.<\/span><\/p>\n<pre>$ sudo grep sunucucozumleri \/etc\/passwd \/etc\/shadow \/etc\/gshadow<\/pre>\n<p><span>\u00c7\u0131kt\u0131,<\/span><\/p>\n<p><img decoding=\"async\" class=\"alignnone size-full wp-image-2145\" src=\"https:\/\/sunucucozumleri.com\/wp-content\/uploads\/2022\/10\/Linuxta-Can-Kurtaran-14-Grep-Komutu-Kullanimi2.webp\" alt=\"\" width=\"768\" height=\"172\" title=\"\" srcset=\"\/\/sunucucozumleri.com\/blog\/wp-content\/uploads\/2022\/10\/Linuxta-Can-Kurtaran-14-Grep-Komutu-Kullanimi2.webp 768w, \/\/sunucucozumleri.com\/blog\/wp-content\/uploads\/2022\/10\/Linuxta-Can-Kurtaran-14-Grep-Komutu-Kullanimi2-300x67.webp 300w\" sizes=\"(max-width: 768px) 100vw, 768px\" \/><\/p>\n<h2><span class=\"ez-toc-section\" id=\"3_Desenle_eslesen_dosya_adlarini_yazdirin\"><\/span><span>3) Desenle e\u015fle\u015fen dosya adlar\u0131n\u0131 yazd\u0131r\u0131n<\/span><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><span>Diyelim ki &#8216;root&#8217; kelimesini i\u00e7eren dosya isimlerini listelemek istiyoruz, bunu yapmak i\u00e7in grep komutunda\u00a0<\/span><span>&#8216;-l&#8217;<\/span><span>\u00a0se\u00e7ene\u011fini ve ard\u0131ndan word (pattern) ve dosyalar\u0131 kullan\u0131n.<\/span><\/p>\n<pre>$ grep -l 'root' \/etc\/fstab \/etc\/passwd \/etc\/mtab \/etc\/passwd<\/pre>\n<h2><span class=\"ez-toc-section\" id=\"4_Satir_numarasini_cikis_satirlariyla_goruntuleyin\"><\/span>4) Sat\u0131r numaras\u0131n\u0131 \u00e7\u0131k\u0131\u015f sat\u0131rlar\u0131yla g\u00f6r\u00fcnt\u00fcleyin<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><span>Desen veya kelimeyle e\u015fle\u015fen sat\u0131r\u0131 ve numaras\u0131n\u0131 g\u00f6r\u00fcnt\u00fclemek i\u00e7in grep komutunda\u00a0<\/span><span>&#8216;-n&#8217; se\u00e7ene\u011fini<\/span><span>\u00a0kullan\u0131n .\u00a0A\u015fa\u011f\u0131daki \u00f6rnekte, kal\u0131p &#8216;hi\u00e7 kimse&#8217;dir<\/span><\/p>\n<pre>$ grep -n 'nobody' \/etc\/passwd \r\n18:nobody:x:65534:65534:nobody:\/nonexistent:\/usr\/sbin\/nologin<\/pre>\n<h2><span class=\"ez-toc-section\" id=\"5_Desen_eslesmesini_ters_cevirin\"><\/span>5) Desen e\u015fle\u015fmesini ters \u00e7evirin<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><span>Grep komutunda &#8216;-v&#8217;<\/span><span>\u00a0se\u00e7ene\u011fini kullanarak\u00a0kal\u0131ba uymayan sat\u0131rlar\u0131 g\u00f6r\u00fcnt\u00fcleyebiliriz.<\/span><\/p>\n<pre>$ grep -v 'nobody' \/etc\/passwd<\/pre>\n<pre>\r\n<img decoding=\"async\" class=\"alignnone size-full wp-image-2146\" src=\"https:\/\/sunucucozumleri.com\/wp-content\/uploads\/2022\/10\/Linuxta-Can-Kurtaran-14-Grep-Komutu-Kullanimi3.webp\" alt=\"\" width=\"768\" height=\"415\" title=\"\" srcset=\"\/\/sunucucozumleri.com\/blog\/wp-content\/uploads\/2022\/10\/Linuxta-Can-Kurtaran-14-Grep-Komutu-Kullanimi3.webp 768w, \/\/sunucucozumleri.com\/blog\/wp-content\/uploads\/2022\/10\/Linuxta-Can-Kurtaran-14-Grep-Komutu-Kullanimi3-300x162.webp 300w\" sizes=\"(max-width: 768px) 100vw, 768px\" \/><\/pre>\n<h2><span class=\"ez-toc-section\" id=\"6_Belirli_bir_desenle_baslayan_tum_satirlari_yazdirin\"><\/span><span>6) Belirli bir desenle ba\u015flayan t\u00fcm sat\u0131rlar\u0131 yazd\u0131r\u0131n<\/span><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><span>Bash kabu\u011fu, \u015fapka sembol\u00fcn\u00fc (^) sat\u0131r\u0131n veya kelimenin ba\u015flang\u0131c\u0131n\u0131 i\u015faretleyen \u00f6zel bir karakter olarak ele al\u0131r.\u00a0\/etc\/passwd dosyas\u0131nda \u201cbackup\u201d kelimesi ile ba\u015flayan sat\u0131rlar\u0131 g\u00f6sterelim, run<\/span><\/p>\n<pre>$ grep ^backup \/etc\/passwd\r\nbackup:x:34:34:backup:\/var\/backups:\/usr\/sbin\/nologin<\/pre>\n<h2><span class=\"ez-toc-section\" id=\"7_Belirli_bir_kelime_ile_biten_tum_satirlari_yazdirin\"><\/span>7) Belirli bir kelime ile biten t\u00fcm sat\u0131rlar\u0131 yazd\u0131r\u0131n<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><span>Bash kabu\u011fu dolar sembol\u00fcn\u00fc\u00a0<\/span><span>&#8216;$&#8217;<\/span><span>\u00a0sat\u0131r veya kelimenin sonlar\u0131n\u0131 i\u015faretleyen \u00f6zel bir karakter olarak ele al\u0131r.\u00a0<\/span><span>\/etc\/passwd&#8217;nin &#8221; bash<\/span><span>\u00a0&#8221; kelimesi\u00a0ile biten t\u00fcm sat\u0131rlar\u0131n\u0131 listeleyin .<\/span><\/p>\n<pre>$ grep bash$ \/etc\/passwd\r\nroot:x:0:0:root:\/root:\/bin\/bash\r\nsunucucozumleri:x:1000:1000:sunucucozumleri,,,:\/home\/sunucucozumleri:\/bin\/bash<\/pre>\n<h2><span class=\"ez-toc-section\" id=\"8_Deseni_yinelemeli_olarak_aramak\"><\/span>8) Deseni yinelemeli olarak aramak<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><span>grep komutundaki &#8216;-r&#8217; se\u00e7ene\u011fi<\/span><span>\u00a0, klas\u00f6r ve alt klas\u00f6rlerde yinelemeli olarak desen aramak i\u00e7in kullan\u0131l\u0131r.\u00a0Diyelim ki, \/etc klas\u00f6r\u00fcnde yinelemeli olarak bir &#8216;nologin&#8217; kal\u0131b\u0131 aramak istiyoruz.<\/span><\/p>\n<pre>$ sudo grep -r nobody \/etc\r\n\/etc\/shadow:nobody:*:19101:0:99999:7:::\r\n\/etc\/shadow-:nobody:*:19101:0:99999:7:::\r\n\/etc\/passwd:nobody:x:65534:65534:nobody:\/nonexistent:\/usr\/sbin\/nologin\r\n\/etc\/ssh\/sshd_config:#AuthorizedKeysCommandUser nobody\r\n\/etc\/passwd-:nobody:x:65534:65534:nobody:\/nonexistent:\/usr\/sbin\/nologin<\/pre>\n<p><span>Yukar\u0131daki komut, \u201c\/etc\u201d dizininde &#8216;hi\u00e7 kimse&#8217; kal\u0131b\u0131n\u0131 yinelemeli olarak arayacakt\u0131r.<\/span><\/p>\n<h2><span class=\"ez-toc-section\" id=\"9_Bir_dosyanin_tum_bos_satirlarini_yazdirin\"><\/span>9) Bir dosyan\u0131n t\u00fcm bo\u015f sat\u0131rlar\u0131n\u0131 yazd\u0131r\u0131n<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><span>Grep komutu ayr\u0131ca bir dosyadaki t\u00fcm bo\u015f veya bo\u015f sat\u0131rlar\u0131\u00a0<\/span><span>&#8216;^$&#8217;<\/span><span>\u00a0\u00f6zel karakter kombinasyonunu kullanarak yazd\u0131rabilir , \u00f6rnek a\u015fa\u011f\u0131da g\u00f6sterilmi\u015ftir:<\/span><\/p>\n<pre>$ grep '^$' \/etc\/sysctl.conf<\/pre>\n<p><span>\u00e7\u0131kt\u0131,<\/span><\/p>\n<p><img decoding=\"async\" class=\"alignnone size-full wp-image-2147\" src=\"https:\/\/sunucucozumleri.com\/wp-content\/uploads\/2022\/10\/Linuxta-Can-Kurtaran-14-Grep-Komutu-Kullanimi4.webp\" alt=\"\" width=\"713\" height=\"284\" title=\"\" srcset=\"\/\/sunucucozumleri.com\/blog\/wp-content\/uploads\/2022\/10\/Linuxta-Can-Kurtaran-14-Grep-Komutu-Kullanimi4.webp 713w, \/\/sunucucozumleri.com\/blog\/wp-content\/uploads\/2022\/10\/Linuxta-Can-Kurtaran-14-Grep-Komutu-Kullanimi4-300x119.webp 300w\" sizes=\"(max-width: 713px) 100vw, 713px\" \/><\/p>\n<p>&nbsp;<\/p>\n<p><span>Bo\u015f sat\u0131rlar\u0131n sat\u0131r numaralar\u0131n\u0131 yazd\u0131rmak i\u00e7in \u015funu \u00e7al\u0131\u015ft\u0131r\u0131n:<\/span><\/p>\n<pre>$ grep -n '^$' \/etc\/sysctl.conf<\/pre>\n<h2><span class=\"ez-toc-section\" id=\"10_Arama_yaparken_harf_durumunu_yoksay\"><\/span>10) Arama yaparken harf durumunu yoksay<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><span>grep komutundaki &#8216;-i&#8217; se\u00e7ene\u011fi<\/span><span>\u00a0, kal\u0131plar ve verilerdeki b\u00fcy\u00fck\/k\u00fc\u00e7\u00fck harf farklar\u0131n\u0131 yok sayar.\u00a0&#8216;-i&#8217; kulland\u0131\u011f\u0131m\u0131zda arama yaparken b\u00fcy\u00fck harf veya k\u00fc\u00e7\u00fck harf ayr\u0131m\u0131 yapmayacakt\u0131r.<\/span><\/p>\n<p><span>sysctl.conf dosyas\u0131nda &#8216;IP_Forward&#8217; dizesini aramak istedi\u011fimizi varsayal\u0131m, \u00e7al\u0131\u015ft\u0131r\u0131n<\/span><\/p>\n<pre>$ grep IP_Forward \/etc\/sysctl.conf\r\n$\r\n$ grep -i IP_Forward \/etc\/sysctl.conf\r\n#net.ipv4.ip_forward=1<\/pre>\n<p><span>Grep komutu, &#8216;-w&#8217; se\u00e7ene\u011fi kullan\u0131larak yaln\u0131zca tam s\u00f6zc\u00fckleri e\u015fle\u015ftirmek i\u00e7in de kullan\u0131labilir, \u00f6rnek a\u015fa\u011f\u0131da g\u00f6sterilmi\u015ftir,<\/span><\/p>\n<pre>$ sudo sysctl -a | grep -w 'vm.swappiness'\r\nvm.swappiness = 60<\/pre>\n<p><span>Yukar\u0131daki komut tam olarak \u201c vm.swappiness\u201d<\/span><span>\u00a0kelimesi\u00a0olan sat\u0131rlar\u0131 arayacak ve arayacakt\u0131r .<\/span><\/p>\n<h2><span class=\"ez-toc-section\" id=\"11_Birden_cok_kalibi_eslestirme\"><\/span>11) Birden \u00e7ok kal\u0131b\u0131 e\u015fle\u015ftirme<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><span>grep komutundaki &#8216;-e&#8217; se\u00e7ene\u011fi<\/span><span>\u00a0sayesinde\u00a0tek bir komutta birden fazla \u00f6r\u00fcnt\u00fc arayabiliriz.\u00a0\u00d6rnek belpw listelenmi\u015ftir:<\/span><\/p>\n<pre>$ grep -e nobody -e mail \/etc\/passwd\r\nmail:x:8:8:mail:\/var\/mail:\/usr\/sbin\/nologin\r\nnobody:x:65534:65534:nobody:\/nonexistent:\/usr\/sbin\/nologin\r\n$\r\nor \r\n$ grep -E \"nobody|mail\" \/etc\/passwd\r\nmail:x:8:8:mail:\/var\/mail:\/usr\/sbin\/nologin\r\nnobody:x:65534:65534:nobody:\/nonexistent:\/usr\/sbin\/nologin<\/pre>\n<h2><span class=\"ez-toc-section\" id=\"12_Bir_dosyadan_desen_alir\"><\/span>12) Bir dosyadan desen al\u0131r<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><span>grep komutundaki &#8216;-f&#8217; se\u00e7ene\u011fi<\/span><span>\u00a0dosyadan kal\u0131p almay\u0131 sa\u011flar.\u00a0\u00d6rnek a\u015fa\u011f\u0131da g\u00f6sterilmi\u015ftir:<\/span><\/p>\n<p><span>\u00d6nce mevcut \u00e7al\u0131\u015fma dizininizde \u201cgrep_pattern\u201d ad\u0131nda bir arama kal\u0131b\u0131 dosyas\u0131 olu\u015fturun.\u00a0Benim durumumda i\u00e7ine a\u015fa\u011f\u0131daki i\u00e7eri\u011fi koyun.<\/span><\/p>\n<pre>$ cat grep_pattern\r\n^sunucucozumleri.com\r\nroot\r\nfalse$\r\n$<\/pre>\n<p><span>\u015eimdi grep_pattern dosyas\u0131n\u0131 kullanarak aramay\u0131 deneyin.<\/span><\/p>\n<pre>$ grep -f grep_pattern \/etc\/passwd<\/pre>\n<pre>\r\n<img decoding=\"async\" class=\"alignnone size-full wp-image-2148\" src=\"https:\/\/sunucucozumleri.com\/wp-content\/uploads\/2022\/10\/Linuxta-Can-Kurtaran-14-Grep-Komutu-Kullanimi5.webp\" alt=\"\" width=\"768\" height=\"180\" title=\"\" srcset=\"\/\/sunucucozumleri.com\/blog\/wp-content\/uploads\/2022\/10\/Linuxta-Can-Kurtaran-14-Grep-Komutu-Kullanimi5.webp 768w, \/\/sunucucozumleri.com\/blog\/wp-content\/uploads\/2022\/10\/Linuxta-Can-Kurtaran-14-Grep-Komutu-Kullanimi5-300x70.webp 300w\" sizes=\"(max-width: 768px) 100vw, 768px\" \/>\r\n\r\n<\/pre>\n<h2><span class=\"ez-toc-section\" id=\"13_Desenle_eslesen_satir_sayisini_sayin\"><\/span><span>13) Desenle e\u015fle\u015fen sat\u0131r say\u0131s\u0131n\u0131 say\u0131n<\/span><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><span>Arama d\u00fczeniyle e\u015fle\u015fen sat\u0131r say\u0131s\u0131n\u0131 saymak istiyorsan\u0131z\u00a0grep komutunda\u00a0<\/span><span>&#8216;-c&#8217; se\u00e7ene\u011fini kullan\u0131n.<\/span><\/p>\n<p><span>\/etc\/password dosyas\u0131nda false word ile biten sat\u0131rlar\u0131n say\u0131s\u0131n\u0131 saymak istedi\u011fimizi d\u00fc\u015f\u00fcnelim.<\/span><\/p>\n<pre>$ grep -c false$ \/etc\/passwd<\/pre>\n<pre>6<\/pre>\n<h2><span class=\"ez-toc-section\" id=\"14_Desen_eslestirmeden_once_ve_sonra_N_satir_yazdir\"><\/span><span id=\"14_Print_N_lines_before_after_pattern_matching\" class=\"ez-toc-section\"><\/span><span>14) Desen e\u015fle\u015ftirmeden \u00f6nce ve sonra N sat\u0131r yazd\u0131r<\/span><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><span>Grep komutu ayr\u0131ca\u00a0<\/span><span>-B<\/span><span>\u00a0ve\u00a0<\/span><span>-A<\/span><span>\u00a0se\u00e7eneklerini kullanarak desen e\u015fle\u015ftirmeden \u00f6nce ve sonra n say\u0131da sat\u0131r yazd\u0131rabilir.<\/span><\/p>\n<p><span>a) Desen e\u015fle\u015ftirmeden \u00f6nce d\u00f6rt sat\u0131r yazd\u0131r\u0131n<\/span><\/p>\n<pre>$ grep -B 4 \"games\" \/etc\/passwd<\/pre>\n<pre>\r\n<img decoding=\"async\" class=\"alignnone size-full wp-image-2149\" src=\"https:\/\/sunucucozumleri.com\/wp-content\/uploads\/2022\/10\/Linuxta-Can-Kurtaran-14-Grep-Komutu-Kullanimi6.webp\" alt=\"\" width=\"768\" height=\"173\" title=\"\" srcset=\"\/\/sunucucozumleri.com\/blog\/wp-content\/uploads\/2022\/10\/Linuxta-Can-Kurtaran-14-Grep-Komutu-Kullanimi6.webp 768w, \/\/sunucucozumleri.com\/blog\/wp-content\/uploads\/2022\/10\/Linuxta-Can-Kurtaran-14-Grep-Komutu-Kullanimi6-300x68.webp 300w\" sizes=\"(max-width: 768px) 100vw, 768px\" \/>\r\n\r\n<\/pre>\n<p><span>b) Desen e\u015fle\u015ftirmeden sonra d\u00f6rt sat\u0131r yazd\u0131r\u0131n, grep komutunda -A se\u00e7ene\u011fini kullan\u0131n<\/span><\/p>\n<pre>$ grep -A 4 \"games\" \/etc\/passwd<\/pre>\n<pre>\r\n<img decoding=\"async\" class=\"alignnone size-full wp-image-2150\" src=\"https:\/\/sunucucozumleri.com\/wp-content\/uploads\/2022\/10\/Linuxta-Can-Kurtaran-14-Grep-Komutu-Kullanimi7.webp\" alt=\"\" width=\"768\" height=\"164\" title=\"\" srcset=\"\/\/sunucucozumleri.com\/blog\/wp-content\/uploads\/2022\/10\/Linuxta-Can-Kurtaran-14-Grep-Komutu-Kullanimi7.webp 768w, \/\/sunucucozumleri.com\/blog\/wp-content\/uploads\/2022\/10\/Linuxta-Can-Kurtaran-14-Grep-Komutu-Kullanimi7-300x64.webp 300w\" sizes=\"(max-width: 768px) 100vw, 768px\" \/><\/pre>\n<p><span>c) E\u015fle\u015fen desenin etraf\u0131na d\u00f6rt sat\u0131r yazd\u0131r\u0131n, -C se\u00e7ene\u011fini kullan\u0131n<\/span><\/p>\n<pre>$ grep -C 4 \"games\" \/etc\/passwd<\/pre>\n<pre>\r\n<img decoding=\"async\" class=\"alignnone size-full wp-image-2151\" src=\"https:\/\/sunucucozumleri.com\/wp-content\/uploads\/2022\/10\/Linuxta-Can-Kurtaran-14-Grep-Komutu-Kullanim8.webp\" alt=\"\" width=\"727\" height=\"243\" title=\"\" srcset=\"\/\/sunucucozumleri.com\/blog\/wp-content\/uploads\/2022\/10\/Linuxta-Can-Kurtaran-14-Grep-Komutu-Kullanim8.webp 727w, \/\/sunucucozumleri.com\/blog\/wp-content\/uploads\/2022\/10\/Linuxta-Can-Kurtaran-14-Grep-Komutu-Kullanim8-300x100.webp 300w\" sizes=\"(max-width: 727px) 100vw, 727px\" \/>\r\n\r\n<\/pre>\n<p><span>Umar\u0131m bu \u00f6rnekler linux&#8217;ta grep komutunu nas\u0131l daha verimli kullanaca\u011f\u0131n\u0131z\u0131 anlaman\u0131za yard\u0131mc\u0131 olur. L\u00fctfen sorular\u0131n\u0131z\u0131 ve geri bildirimlerinizi a\u015fa\u011f\u0131daki yorumlar b\u00f6l\u00fcm\u00fcne g\u00f6nderin.<\/span><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Linux grep komutunda uygulamal\u0131 k\u0131lavuz mu ar\u0131yorsunuz?\u00a0Bu k\u0131lavuzda linux&#8217;ta 14 grep komut \u00f6rne\u011fini ele alaca\u011f\u0131z. Grep, Linux\/Unix sistemlerinde bir dosyadan metin veya dize aramak i\u00e7in kullan\u0131lan bir komut sat\u0131r\u0131 arac\u0131d\u0131r.\u00a0Grep,\u00a0k\u00fcresel d\u00fczenli ifade bask\u0131s\u0131 anlam\u0131na gelir.\u00a0Belirtilen dizge ile bir grep komutu \u00e7al\u0131\u015ft\u0131rd\u0131\u011f\u0131m\u0131zda, e\u011fer e\u015fle\u015firse, mevcut dosyan\u0131n i\u00e7eri\u011fini de\u011fi\u015ftirmeden o dizgiyi i\u00e7eren dosyan\u0131n sat\u0131r\u0131n\u0131 g\u00f6sterecektir. grep komutunun &hellip;<\/p>\n","protected":false},"author":1,"featured_media":2146,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[5],"tags":[],"class_list":["post-2143","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-linux"],"acf":[],"_links":{"self":[{"href":"https:\/\/sunucucozumleri.com\/blog\/wp-json\/wp\/v2\/posts\/2143","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/sunucucozumleri.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/sunucucozumleri.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/sunucucozumleri.com\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/sunucucozumleri.com\/blog\/wp-json\/wp\/v2\/comments?post=2143"}],"version-history":[{"count":0,"href":"https:\/\/sunucucozumleri.com\/blog\/wp-json\/wp\/v2\/posts\/2143\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/sunucucozumleri.com\/blog\/wp-json\/wp\/v2\/media\/2146"}],"wp:attachment":[{"href":"https:\/\/sunucucozumleri.com\/blog\/wp-json\/wp\/v2\/media?parent=2143"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/sunucucozumleri.com\/blog\/wp-json\/wp\/v2\/categories?post=2143"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/sunucucozumleri.com\/blog\/wp-json\/wp\/v2\/tags?post=2143"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}