[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"me":3,"catalog:tr:devops-cloud\u002Flinux-filesystem-permissions-links":4,"config":256},null,{"field_key":5,"field_name":6,"seniority":7,"topic_key":8,"topic_name":9,"spec_key":7,"spec_name":7,"locale":10,"cell_total":11,"field_total":12,"seniorities":13,"topics":17,"specs":151,"samples":171},"devops-cloud","DevOps \u002F Cloud","","linux-filesystem-permissions-links","Linux Filesystem Permissions Links","tr",75,3375,[14,15,16],"junior","mid","senior",[18,21,24,27,30,33,36,39,42,45,48,51,54,57,60,63,66,69,72,75,78,81,84,87,90,93,96,99,102,105,106,109,112,115,118,121,124,127,130,133,136,139,142,145,148],{"key":19,"name":20,"count":11},"aws-compute-ec2-lambda","Aws Compute Ec2 Lambda",{"key":22,"name":23,"count":11},"aws-databases-rds-dynamodb","Aws Databases Rds Dynamodb",{"key":25,"name":26,"count":11},"aws-iam-security","Aws Iam Security",{"key":28,"name":29,"count":11},"aws-messaging-eventing","Aws Messaging 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Cicd",[152,156,159,162,165,168],{"key":153,"name":154,"count":155},"aws","AWS",450,{"key":157,"name":158,"count":155},"azure","Azure",{"key":160,"name":161,"count":155},"gcp","GCP",{"key":163,"name":164,"count":155},"kubernetes","Kubernetes",{"key":166,"name":167,"count":155},"linux","Linux",{"key":169,"name":170,"count":155},"terraform","Terraform",[172,190,203,216,229,243],{"id":173,"topic":9,"difficulty":174,"body":175,"options":176,"correct_key":178,"explanation":189},"019f913c-223a-7c79-b871-6bc7a264595c",1,"`ls -l` çıktısındaki `-rwxr-xr--` izin dizisinde, owner bitlerindeki (`rwx`) `x` normal bir dosya için ne anlama gelir?",[177,180,183,186],{"key":178,"text":179},"a","Dosyanın sahibi dosyayı çalıştırabilir",{"key":181,"text":182},"b","Dosyanın sahibi, dizin izinlerinden bağımsız olarak dosyayı silebilir",{"key":184,"text":185},"c","Dosya bir sembolik linktir",{"key":187,"text":188},"d","Dosya kimse tarafından okunamaz","Normal bir dosya için execute biti (x), o izin sınıfının dosyayı program\u002Fscript olarak çalıştırıp çalıştıramayacağını belirler. Bir dosyayı silme yetkisi aslında dosyanın kendi izin bitleri değil, onu içeren dizinin write bitiyle kontrol edilir.",{"id":191,"topic":9,"difficulty":174,"body":192,"options":193,"correct_key":181,"explanation":202},"019f913c-2269-72b9-8c76-6211759f42eb","`rwxr-xr-x` izni hangi octal değere karşılık gelir?",[194,196,198,200],{"key":178,"text":195},"744",{"key":181,"text":197},"755",{"key":184,"text":199},"700",{"key":187,"text":201},"777","Her izin üçlüsü bir rakama karşılık gelir: r=4, w=2, x=1, sınıf başına toplanır. Owner `rwx`=7, group `r-x`=5, other `r-x`=5, toplamda 755 eder.",{"id":204,"topic":9,"difficulty":174,"body":205,"options":206,"correct_key":184,"explanation":215},"019f913c-226b-791f-9e30-b4836d3b5a2d","Aşağıdaki komut ne yapar?\n```\nchmod u+x deploy.sh\n```",[207,209,211,213],{"key":178,"text":208},"Owner dışında herkesten execute iznini kaldırır",{"key":181,"text":210},"Group ve other'a execute izni verir, owner'a vermez. Bu, pratikte yaygın bir yanlış anlamadır.",{"key":184,"text":212},"Dosyanın owner'ı için execute iznini ekler, group\u002Fother bitlerine dokunmaz",{"key":187,"text":214},"Dosyayı yalnızca root tarafından çalıştırılabilir yapar, owner'ı yok sayar","Sembolik form `u+x`, yalnızca user\u002Fowner sınıfı (`u`) için execute bitini (`x`) ekler (`+`), group veya other izin bitlerine dokunmaz — tüm bitleri bir kerede yeniden yazan octal `chmod`'un aksine.",{"id":217,"topic":9,"difficulty":174,"body":218,"options":219,"correct_key":187,"explanation":228},"019f913c-226d-73f1-bec7-df212ee9bbff","Bir dizinde read izni (normal bir dosyadaki read'in aksine) neyi sağlar?",[220,222,224,226],{"key":178,"text":221},"Dosyanın kendi izinlerinden bağımsız olarak dizin içindeki herhangi bir dosyayı çalıştırmayı",{"key":181,"text":223},"O dizin içinde yeni dosya oluşturmayı",{"key":184,"text":225},"O dizin içindeki dosyaları silmeyi",{"key":187,"text":227},"O dizinde saklanan girdilerin (dosya\u002Falt dizin) isimlerini listelemeyi","Bir dizinde read biti, `ls` gibi araçların içerdiği girdilerin isimlerini listeleyip listeleyemeyeceğini kontrol eder. Tek başına dosya içeriğini okumaya, girdi oluşturma\u002Fsilmeye (bunun için write gerekir) veya dizine geçiş yapmaya (bunun için execute gerekir) izin vermez.",{"id":230,"topic":9,"difficulty":231,"body":232,"options":233,"correct_key":178,"explanation":242},"019f913c-226f-79f8-b352-792ea6ec9485",2,"`somedir` dizininin izinleri, deneyen kullanıcı için `rw-rw-rw-` olduğunda `cd somedir` neden 'Permission denied' hatası verir?",[234,236,238,240],{"key":178,"text":235},"Bir dizine girmek (traverse) execute bitini gerektirir, burada bu bit eksik",{"key":181,"text":237},"`cd` komutu izinlerden bağımsız olarak her zaman root yetkisi gerektirir",{"key":184,"text":239},"Bir dizinde read ve write izni her durumda `cd` için yeterlidir. Bu, kulağa makul gelen ama sonuçta yanlış olan bir zihinsel modeldir.",{"key":187,"text":241},"Dizine girilebilmesi için önce setuid bitinin ayarlanmış olması gerekir","Dizinler için, bir sürecin içine geçiş yapmasını (ör. `cd`, ya da tam yol ile bir dosyaya erişim) sağlayan şey execute bitidir — read veya write değil. Execute olmadan, read\u002Fwrite bitleri ayarlansa bile dizinin içeriğine ulaşılamaz.",{"id":244,"topic":9,"difficulty":231,"body":245,"options":246,"correct_key":181,"explanation":255},"019f913c-2270-784f-9d6f-df3a8c687edb","`report.txt` dosyasının izinleri `-r--r--r--` (owner `alice`), ama onu içeren `shared\u002F` dizininin izinleri `drwxrwxrwx`. Alice ile aynı gruptaki başka bir kullanıcı `report.txt`'yi silebilir mi?",[247,249,251,253],{"key":178,"text":248},"Hayır, dosyanın kendisi salt-okunur olduğu için silme her durumda engellenir. Birçok takım bunu varsayılan olarak kabul eder, bu da sonradan kafa karıştırıcı incident'lara yol açabilir.",{"key":181,"text":250},"Evet, çünkü bir dosyayı silmek dosyanın kendi izin bitleri değil, onu içeren dizindeki write izniyle kontrol edilir",{"key":184,"text":252},"Hayır, dosyayı yalnızca alice (dosyanın sahibi) her koşulda silebilir",{"key":187,"text":254},"Evet, ama yalnızca kullanıcının report.txt üzerinde doğrudan execute izni de varsa","Bir dosyayı silmek (unlink) dizin girdisinde bir değişikliktir, bu yüzden dosyayı içeren dizindeki write (ve execute\u002Ftraverse) izniyle yönetilir — dosyanın kendi salt-okunur izin bitleri bunu engellemez.",{"fields":257,"seniorities":429,"interview_shapes":430,"locales":435,"oauth":437,"question_count":440,"coach_enabled":441,"jd_match_enabled":441},[258,283,303,320,330,343,362,381,403,410,416,423],{"key":259,"name_tr":260,"name_en":260,"sort":174,"specializations":261},"backend","Backend",[262,265,268,271,274,277,280],{"key":263,"name":264,"field":259},"general","Genel",{"key":266,"name":267,"field":259},"go","Go",{"key":269,"name":270,"field":259},"python","Python",{"key":272,"name":273,"field":259},"java","Java",{"key":275,"name":276,"field":259},"csharp","C#\u002F.NET",{"key":278,"name":279,"field":259},"nodejs","Node.js",{"key":281,"name":282,"field":259},"php","PHP",{"key":284,"name_tr":285,"name_en":285,"sort":231,"specializations":286},"frontend","Frontend",[287,288,291,294,297,300],{"key":263,"name":264,"field":284},{"key":289,"name":290,"field":284},"javascript","JavaScript",{"key":292,"name":293,"field":284},"typescript","TypeScript",{"key":295,"name":296,"field":284},"react","React",{"key":298,"name":299,"field":284},"vue","Vue",{"key":301,"name":302,"field":284},"angular","Angular",{"key":304,"name_tr":305,"name_en":305,"sort":306,"specializations":307},"fullstack","Fullstack",3,[308,309,310,311,312,313,314,315,316,317,318,319],{"key":263,"name":264,"field":304},{"key":266,"name":267,"field":259},{"key":269,"name":270,"field":259},{"key":272,"name":273,"field":259},{"key":275,"name":276,"field":259},{"key":278,"name":279,"field":259},{"key":281,"name":282,"field":259},{"key":289,"name":290,"field":284},{"key":292,"name":293,"field":284},{"key":295,"name":296,"field":284},{"key":298,"name":299,"field":284},{"key":301,"name":302,"field":284},{"key":5,"name_tr":6,"name_en":6,"sort":321,"specializations":322},4,[323,324,325,326,327,328,329],{"key":263,"name":264,"field":5},{"key":153,"name":154,"field":5},{"key":160,"name":161,"field":5},{"key":157,"name":158,"field":5},{"key":163,"name":164,"field":5},{"key":169,"name":170,"field":5},{"key":166,"name":167,"field":5},{"key":331,"name_tr":332,"name_en":332,"sort":333,"specializations":334},"ai-engineer","AI 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