Wani lokacin idan zamu hadu da wasu PDF na hanyar sadarwar da suke raba mana, har ma da PDFs da muke dasu kalmar sirri kare kanmu, ko dai don ba da damar wasu damar (kwafin rubutu, bugawa, da sauransu), ko kuma kawai cewa ba za a iya buɗe shi don duba abubuwan ba tare da kalmar sirri ba. Idan mun zazzage shi daga wurin da yake raba waɗannan nau'ikan fayilolin, tabbas sun ba mu kalmar sirri, kuma idan mun kiyaye shi tuni mun san shi. Abin da ya sa za mu koya muku a cikin taƙaitaccen jagora-yadda za a cire yadda za a cire wannan kariya don samun damar yin amfani da shi ta hanyar da ta dace ba tare da shigar da kalmar wucewa ba duk lokacin da muke amfani da ita, kuma duk daga GNU / Linux distro da kuka fi so .
Ba batun fasa kalmar sirri bane ko kuma kariyar kariya da karfi! Don haka za mu keɓe wani labarin nan ba da jimawa ba ... Gaskiyar ita ce, suna nan hanyoyi daban-daban don cire kariyar kalmar sirri daga fayil ɗin PDF desde Linux, amma a nan za mu nuna muku 4 mafi sauki don aiwatarwa. Ɗaya daga cikin mafi sauƙi hanyoyin da za a yi ita ce amfani da ɗaya daga cikin masu kallon PDF da muke da su a cikin Linux wanda ke ba ka damar buga takarda a cikin tsarin PDF, kamar Evince. Matakan sune:
- 1-Mun bude PDF da shirin.
- 2-Muna zuwa menu din Fayil (Fayil).
- 3-Danna kan Buga (Fitar).
- A cikin menu, mun zabi duk shafuka, tsarin fitowar PDF da adadin kwafi 1. Zaka iya sanya wurin da za'a buga shi, suna, da dai sauransu.
- Danna maɓallin Bugawa.
Sakamakon zai zama PDF mara kariya. Amma idan wannan bai yi aiki a gare ku ba, kada ku damu, akwai wasu hanyoyin kamar su Mawallafi, wanda shine ɗakin karatu mai ban sha'awa dangane da xpdf-3.0. A ciki akwai jerin kayan aiki don aiki tare da fayilolin PDF daga tashar, kuma gaskiyar ita ce tana da ban sha'awa sosai. Dole ne ku fara shigar da kunshin a kan distro ɗinku, tare da manajan kunshin da kuka fi so. Misali, idan kayi amfani da pacman sunan kunshin mai poppler ne, maimakon RPM da DEB zai zama kayan amfani ne. Da zarar an shigar, zaka iya gudanar da umarnin mai zuwa:
pdftops -upw password nombre_pdf_protegido.pdf nombre_desprotegido.pdf
Babu shakka ya kamata ka maye gurbin kalmar sirri da kalmar sirri idan ka san ta. Idan wannan hanyar bata gamsar daku ba, zaku iya amfani da kunshin pdftk, wanda zai iya sarrafa fayilolin PDF. Da zarar kun girka shi a kan ɓoyayyarku tare da mai sarrafa kunshin da kuka yi amfani da shi da amfani da sunansa, zaku iya farawa cire kalmar sirri daga PDF tare da:
pdftk nombre_pdf_protegido.pdf input_pw password output nombre_pdf_desprotegido.pdf
Bugu da ƙari dole ne ku maye gurbin kalmar wucewa tare da kowane kalmar sirri ... Kuma a ƙarshe, da hanyar karshe zai kasance yana amfani da kunshin qpdf, wata software don canza PDFs, yadda za a ɓoye da kuma share fayiloli. Kasancewa ta tsohuwa a cikin mafi yawan wuraren ajiya, zai zama da sauƙi a gare ka ka girka shi. Da zarar an shigar, zaka iya gudanar da umarnin:
qpdf --password='password' --decrypt nombre_pdf_protegido.pdf nombre_pdf_desprotegido.pdf
Kuma yanzu zaka iya amfani da PDF ba tare da yin muguwar alamar shigar da kalmar sirri duk lokacin da kake son amfani da ita ba ...