{"id":1022,"date":"2014-02-17T13:16:18","date_gmt":"2014-02-17T12:16:18","guid":{"rendered":"http:\/\/clark.tipistrani.it\/?p=1022"},"modified":"2014-02-17T13:16:18","modified_gmt":"2014-02-17T12:16:18","slug":"compilazione-kernel-con-grsecurity","status":"publish","type":"post","link":"http:\/\/clark.tipistrani.it\/?p=1022","title":{"rendered":"Compilazione kernel con grsecurity"},"content":{"rendered":"<p>A volte come in questo caso specifico si rende necessario ricompilare un kernel da zero per poter ottenere delle features che non sono standard.<br \/>\nSenza addentrarmi in una spiegazione che non solo esula dalla natura di questo articolo ma che non sarei neanche in grado di scrivere decentemente, di seguito passo passo la configurazione di un kernel 3.10 con patch grsecurity, da tenersi presente i seguenti fatti:<br \/>\na) essendo un kernel che va su un bastion host viene compilato staticamente per evitare exploit sui moduli<br \/>\nb) la scelta del kernel e della patch sono vincolati alla necessit\u00e0 di usare DRBD 8.4.3<br \/>\nc) diamo per scontato che ci siano a bordo macchina tutti i tools necessari per la compilazione e in special modo\u00a0 <span style=\"color: #ffffff;\">gcc-*-plugin-dev (dove * \u00e8 la versione installata)<\/span><br \/>\nclark@ardito:~$ cd \/usr\/src<br \/>\nclark@ardito:\/usr\/src$ wget https:\/\/www.kernel.org\/pub\/linux\/kernel\/v3.x\/linux-3.10.tar.bz2<br \/>\nclark@ardito:\/usr\/src$ tar xvfj linux-3.10.tar.bz2<br \/>\nclark@ardito:\/usr\/src$ wget http:\/\/deb.digdeo.fr\/grsecurity-archives\/kernel-3.10\/grsecurity-2.9.1-3.10.0-201307122308.patch<br \/>\nclark@ardito:\/usr\/src$ cd linux-3.10<br \/>\nclark@ardito:\/usr\/src$ patch -p1 &lt; ..\/grsecurity-2.9.1-3.10.0-201307122308.patch<br \/>\nclark@ardito:\/usr\/src\/linux-3.10$ make menuconfig e qui configuriamo il kernel secondo le nostre esigenze, di seguito allego gli screenshot relativi ai settaggi di grsecurity e pax<br \/>\n<a href=\"http:\/\/clark.tipistrani.it\/wp-content\/uploads\/2014\/02\/n-grsecurity.png\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-1079\" alt=\"n-grsecurity\" src=\"http:\/\/clark.tipistrani.it\/wp-content\/uploads\/2014\/02\/n-grsecurity.png\" width=\"1920\" height=\"1080\" srcset=\"http:\/\/clark.tipistrani.it\/wp-content\/uploads\/2014\/02\/n-grsecurity.png 1920w, http:\/\/clark.tipistrani.it\/wp-content\/uploads\/2014\/02\/n-grsecurity-300x168.png 300w, http:\/\/clark.tipistrani.it\/wp-content\/uploads\/2014\/02\/n-grsecurity-1024x576.png 1024w, http:\/\/clark.tipistrani.it\/wp-content\/uploads\/2014\/02\/n-grsecurity-800x450.png 800w\" sizes=\"auto, (max-width: 1920px) 100vw, 1920px\" \/><\/a> <a href=\"http:\/\/clark.tipistrani.it\/wp-content\/uploads\/2014\/02\/n-grsecurity1.png\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-1080\" alt=\"n-grsecurity1\" src=\"http:\/\/clark.tipistrani.it\/wp-content\/uploads\/2014\/02\/n-grsecurity1.png\" width=\"1920\" height=\"1080\" srcset=\"http:\/\/clark.tipistrani.it\/wp-content\/uploads\/2014\/02\/n-grsecurity1.png 1920w, http:\/\/clark.tipistrani.it\/wp-content\/uploads\/2014\/02\/n-grsecurity1-300x168.png 300w, http:\/\/clark.tipistrani.it\/wp-content\/uploads\/2014\/02\/n-grsecurity1-1024x576.png 1024w, http:\/\/clark.tipistrani.it\/wp-content\/uploads\/2014\/02\/n-grsecurity1-800x450.png 800w\" sizes=\"auto, (max-width: 1920px) 100vw, 1920px\" \/><\/a> <a href=\"http:\/\/clark.tipistrani.it\/wp-content\/uploads\/2014\/02\/n-grsecurity2.png\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-1081\" alt=\"n-grsecurity2\" src=\"http:\/\/clark.tipistrani.it\/wp-content\/uploads\/2014\/02\/n-grsecurity2.png\" width=\"1920\" height=\"1080\" srcset=\"http:\/\/clark.tipistrani.it\/wp-content\/uploads\/2014\/02\/n-grsecurity2.png 1920w, http:\/\/clark.tipistrani.it\/wp-content\/uploads\/2014\/02\/n-grsecurity2-300x168.png 300w, http:\/\/clark.tipistrani.it\/wp-content\/uploads\/2014\/02\/n-grsecurity2-1024x576.png 1024w, http:\/\/clark.tipistrani.it\/wp-content\/uploads\/2014\/02\/n-grsecurity2-800x450.png 800w\" sizes=\"auto, (max-width: 1920px) 100vw, 1920px\" \/><\/a> <a href=\"http:\/\/clark.tipistrani.it\/wp-content\/uploads\/2014\/02\/n-grsecurity3.png\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-1082\" alt=\"n-grsecurity3\" src=\"http:\/\/clark.tipistrani.it\/wp-content\/uploads\/2014\/02\/n-grsecurity3.png\" width=\"1920\" height=\"1080\" srcset=\"http:\/\/clark.tipistrani.it\/wp-content\/uploads\/2014\/02\/n-grsecurity3.png 1920w, http:\/\/clark.tipistrani.it\/wp-content\/uploads\/2014\/02\/n-grsecurity3-300x168.png 300w, http:\/\/clark.tipistrani.it\/wp-content\/uploads\/2014\/02\/n-grsecurity3-1024x576.png 1024w, http:\/\/clark.tipistrani.it\/wp-content\/uploads\/2014\/02\/n-grsecurity3-800x450.png 800w\" sizes=\"auto, (max-width: 1920px) 100vw, 1920px\" \/><\/a> <a href=\"http:\/\/clark.tipistrani.it\/wp-content\/uploads\/2014\/02\/n-grsecurity4.png\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-1083\" alt=\"n-grsecurity4\" src=\"http:\/\/clark.tipistrani.it\/wp-content\/uploads\/2014\/02\/n-grsecurity4.png\" width=\"1920\" height=\"1080\" srcset=\"http:\/\/clark.tipistrani.it\/wp-content\/uploads\/2014\/02\/n-grsecurity4.png 1920w, http:\/\/clark.tipistrani.it\/wp-content\/uploads\/2014\/02\/n-grsecurity4-300x168.png 300w, http:\/\/clark.tipistrani.it\/wp-content\/uploads\/2014\/02\/n-grsecurity4-1024x576.png 1024w, http:\/\/clark.tipistrani.it\/wp-content\/uploads\/2014\/02\/n-grsecurity4-800x450.png 800w\" sizes=\"auto, (max-width: 1920px) 100vw, 1920px\" \/><\/a> <a href=\"http:\/\/clark.tipistrani.it\/wp-content\/uploads\/2014\/02\/n-grsecurity5.png\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-1084\" alt=\"n-grsecurity5\" src=\"http:\/\/clark.tipistrani.it\/wp-content\/uploads\/2014\/02\/n-grsecurity5.png\" width=\"1920\" height=\"1080\" srcset=\"http:\/\/clark.tipistrani.it\/wp-content\/uploads\/2014\/02\/n-grsecurity5.png 1920w, http:\/\/clark.tipistrani.it\/wp-content\/uploads\/2014\/02\/n-grsecurity5-300x168.png 300w, http:\/\/clark.tipistrani.it\/wp-content\/uploads\/2014\/02\/n-grsecurity5-1024x576.png 1024w, http:\/\/clark.tipistrani.it\/wp-content\/uploads\/2014\/02\/n-grsecurity5-800x450.png 800w\" sizes=\"auto, (max-width: 1920px) 100vw, 1920px\" \/><\/a> <a href=\"http:\/\/clark.tipistrani.it\/wp-content\/uploads\/2014\/02\/n-grsecurity6.png\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-1085\" alt=\"n-grsecurity6\" src=\"http:\/\/clark.tipistrani.it\/wp-content\/uploads\/2014\/02\/n-grsecurity6.png\" width=\"1920\" height=\"1080\" srcset=\"http:\/\/clark.tipistrani.it\/wp-content\/uploads\/2014\/02\/n-grsecurity6.png 1920w, http:\/\/clark.tipistrani.it\/wp-content\/uploads\/2014\/02\/n-grsecurity6-300x168.png 300w, http:\/\/clark.tipistrani.it\/wp-content\/uploads\/2014\/02\/n-grsecurity6-1024x576.png 1024w, http:\/\/clark.tipistrani.it\/wp-content\/uploads\/2014\/02\/n-grsecurity6-800x450.png 800w\" sizes=\"auto, (max-width: 1920px) 100vw, 1920px\" \/><\/a> <a href=\"http:\/\/clark.tipistrani.it\/wp-content\/uploads\/2014\/02\/n-grsecurity7.png\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-1086\" alt=\"n-grsecurity7\" src=\"http:\/\/clark.tipistrani.it\/wp-content\/uploads\/2014\/02\/n-grsecurity7.png\" width=\"1920\" height=\"1080\" srcset=\"http:\/\/clark.tipistrani.it\/wp-content\/uploads\/2014\/02\/n-grsecurity7.png 1920w, http:\/\/clark.tipistrani.it\/wp-content\/uploads\/2014\/02\/n-grsecurity7-300x168.png 300w, http:\/\/clark.tipistrani.it\/wp-content\/uploads\/2014\/02\/n-grsecurity7-1024x576.png 1024w, http:\/\/clark.tipistrani.it\/wp-content\/uploads\/2014\/02\/n-grsecurity7-800x450.png 800w\" sizes=\"auto, (max-width: 1920px) 100vw, 1920px\" \/><\/a> <a href=\"http:\/\/clark.tipistrani.it\/wp-content\/uploads\/2014\/02\/n-grsecurity8.png\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-1087\" alt=\"n-grsecurity8\" src=\"http:\/\/clark.tipistrani.it\/wp-content\/uploads\/2014\/02\/n-grsecurity8.png\" width=\"1920\" height=\"1080\" srcset=\"http:\/\/clark.tipistrani.it\/wp-content\/uploads\/2014\/02\/n-grsecurity8.png 1920w, http:\/\/clark.tipistrani.it\/wp-content\/uploads\/2014\/02\/n-grsecurity8-300x168.png 300w, http:\/\/clark.tipistrani.it\/wp-content\/uploads\/2014\/02\/n-grsecurity8-1024x576.png 1024w, http:\/\/clark.tipistrani.it\/wp-content\/uploads\/2014\/02\/n-grsecurity8-800x450.png 800w\" sizes=\"auto, (max-width: 1920px) 100vw, 1920px\" \/><\/a> <a href=\"http:\/\/clark.tipistrani.it\/wp-content\/uploads\/2014\/02\/n-grsecurity9.png\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-1088\" alt=\"n-grsecurity9\" src=\"http:\/\/clark.tipistrani.it\/wp-content\/uploads\/2014\/02\/n-grsecurity9.png\" width=\"1920\" height=\"1080\" srcset=\"http:\/\/clark.tipistrani.it\/wp-content\/uploads\/2014\/02\/n-grsecurity9.png 1920w, http:\/\/clark.tipistrani.it\/wp-content\/uploads\/2014\/02\/n-grsecurity9-300x168.png 300w, http:\/\/clark.tipistrani.it\/wp-content\/uploads\/2014\/02\/n-grsecurity9-1024x576.png 1024w, http:\/\/clark.tipistrani.it\/wp-content\/uploads\/2014\/02\/n-grsecurity9-800x450.png 800w\" sizes=\"auto, (max-width: 1920px) 100vw, 1920px\" \/><\/a> <a href=\"http:\/\/clark.tipistrani.it\/wp-content\/uploads\/2014\/02\/n-grsecurity10.png\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-1089\" alt=\"n-grsecurity10\" src=\"http:\/\/clark.tipistrani.it\/wp-content\/uploads\/2014\/02\/n-grsecurity10.png\" width=\"1920\" height=\"1080\" srcset=\"http:\/\/clark.tipistrani.it\/wp-content\/uploads\/2014\/02\/n-grsecurity10.png 1920w, http:\/\/clark.tipistrani.it\/wp-content\/uploads\/2014\/02\/n-grsecurity10-300x168.png 300w, http:\/\/clark.tipistrani.it\/wp-content\/uploads\/2014\/02\/n-grsecurity10-1024x576.png 1024w, http:\/\/clark.tipistrani.it\/wp-content\/uploads\/2014\/02\/n-grsecurity10-800x450.png 800w\" sizes=\"auto, (max-width: 1920px) 100vw, 1920px\" \/><\/a> <a href=\"http:\/\/clark.tipistrani.it\/wp-content\/uploads\/2014\/02\/n-grsecurity11.png\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-1090\" alt=\"n-grsecurity11\" src=\"http:\/\/clark.tipistrani.it\/wp-content\/uploads\/2014\/02\/n-grsecurity11.png\" width=\"1920\" height=\"1080\" srcset=\"http:\/\/clark.tipistrani.it\/wp-content\/uploads\/2014\/02\/n-grsecurity11.png 1920w, http:\/\/clark.tipistrani.it\/wp-content\/uploads\/2014\/02\/n-grsecurity11-300x168.png 300w, http:\/\/clark.tipistrani.it\/wp-content\/uploads\/2014\/02\/n-grsecurity11-1024x576.png 1024w, http:\/\/clark.tipistrani.it\/wp-content\/uploads\/2014\/02\/n-grsecurity11-800x450.png 800w\" sizes=\"auto, (max-width: 1920px) 100vw, 1920px\" \/><\/a> <a href=\"http:\/\/clark.tipistrani.it\/wp-content\/uploads\/2014\/02\/n-grsecurity12.png\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-1091\" alt=\"n-grsecurity12\" src=\"http:\/\/clark.tipistrani.it\/wp-content\/uploads\/2014\/02\/n-grsecurity12.png\" width=\"1920\" height=\"1080\" srcset=\"http:\/\/clark.tipistrani.it\/wp-content\/uploads\/2014\/02\/n-grsecurity12.png 1920w, http:\/\/clark.tipistrani.it\/wp-content\/uploads\/2014\/02\/n-grsecurity12-300x168.png 300w, http:\/\/clark.tipistrani.it\/wp-content\/uploads\/2014\/02\/n-grsecurity12-1024x576.png 1024w, http:\/\/clark.tipistrani.it\/wp-content\/uploads\/2014\/02\/n-grsecurity12-800x450.png 800w\" sizes=\"auto, (max-width: 1920px) 100vw, 1920px\" \/><\/a> <a href=\"http:\/\/clark.tipistrani.it\/wp-content\/uploads\/2014\/02\/n-grsecurity13.png\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-1092\" alt=\"n-grsecurity13\" src=\"http:\/\/clark.tipistrani.it\/wp-content\/uploads\/2014\/02\/n-grsecurity13.png\" width=\"1920\" height=\"1080\" srcset=\"http:\/\/clark.tipistrani.it\/wp-content\/uploads\/2014\/02\/n-grsecurity13.png 1920w, http:\/\/clark.tipistrani.it\/wp-content\/uploads\/2014\/02\/n-grsecurity13-300x168.png 300w, http:\/\/clark.tipistrani.it\/wp-content\/uploads\/2014\/02\/n-grsecurity13-1024x576.png 1024w, http:\/\/clark.tipistrani.it\/wp-content\/uploads\/2014\/02\/n-grsecurity13-800x450.png 800w\" sizes=\"auto, (max-width: 1920px) 100vw, 1920px\" \/><\/a> <a href=\"http:\/\/clark.tipistrani.it\/wp-content\/uploads\/2014\/02\/n-grsecurity14.png\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-1093\" alt=\"n-grsecurity14\" src=\"http:\/\/clark.tipistrani.it\/wp-content\/uploads\/2014\/02\/n-grsecurity14.png\" width=\"1920\" height=\"1080\" srcset=\"http:\/\/clark.tipistrani.it\/wp-content\/uploads\/2014\/02\/n-grsecurity14.png 1920w, http:\/\/clark.tipistrani.it\/wp-content\/uploads\/2014\/02\/n-grsecurity14-300x168.png 300w, http:\/\/clark.tipistrani.it\/wp-content\/uploads\/2014\/02\/n-grsecurity14-1024x576.png 1024w, http:\/\/clark.tipistrani.it\/wp-content\/uploads\/2014\/02\/n-grsecurity14-800x450.png 800w\" sizes=\"auto, (max-width: 1920px) 100vw, 1920px\" \/><\/a> <a href=\"http:\/\/clark.tipistrani.it\/wp-content\/uploads\/2014\/02\/n-grsecurity15.png\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-1094\" alt=\"n-grsecurity15\" src=\"http:\/\/clark.tipistrani.it\/wp-content\/uploads\/2014\/02\/n-grsecurity15.png\" width=\"1920\" height=\"1080\" srcset=\"http:\/\/clark.tipistrani.it\/wp-content\/uploads\/2014\/02\/n-grsecurity15.png 1920w, http:\/\/clark.tipistrani.it\/wp-content\/uploads\/2014\/02\/n-grsecurity15-300x168.png 300w, http:\/\/clark.tipistrani.it\/wp-content\/uploads\/2014\/02\/n-grsecurity15-1024x576.png 1024w, http:\/\/clark.tipistrani.it\/wp-content\/uploads\/2014\/02\/n-grsecurity15-800x450.png 800w\" sizes=\"auto, (max-width: 1920px) 100vw, 1920px\" \/><\/a> <a href=\"http:\/\/clark.tipistrani.it\/wp-content\/uploads\/2014\/02\/n-grsecurity16.png\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-1095\" alt=\"n-grsecurity16\" src=\"http:\/\/clark.tipistrani.it\/wp-content\/uploads\/2014\/02\/n-grsecurity16.png\" width=\"1920\" height=\"1080\" srcset=\"http:\/\/clark.tipistrani.it\/wp-content\/uploads\/2014\/02\/n-grsecurity16.png 1920w, http:\/\/clark.tipistrani.it\/wp-content\/uploads\/2014\/02\/n-grsecurity16-300x168.png 300w, http:\/\/clark.tipistrani.it\/wp-content\/uploads\/2014\/02\/n-grsecurity16-1024x576.png 1024w, http:\/\/clark.tipistrani.it\/wp-content\/uploads\/2014\/02\/n-grsecurity16-800x450.png 800w\" sizes=\"auto, (max-width: 1920px) 100vw, 1920px\" \/><\/a> <a href=\"http:\/\/clark.tipistrani.it\/wp-content\/uploads\/2014\/02\/n-grsecurity17.png\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-1096\" alt=\"n-grsecurity17\" src=\"http:\/\/clark.tipistrani.it\/wp-content\/uploads\/2014\/02\/n-grsecurity17.png\" width=\"1920\" height=\"1080\" srcset=\"http:\/\/clark.tipistrani.it\/wp-content\/uploads\/2014\/02\/n-grsecurity17.png 1920w, http:\/\/clark.tipistrani.it\/wp-content\/uploads\/2014\/02\/n-grsecurity17-300x168.png 300w, http:\/\/clark.tipistrani.it\/wp-content\/uploads\/2014\/02\/n-grsecurity17-1024x576.png 1024w, http:\/\/clark.tipistrani.it\/wp-content\/uploads\/2014\/02\/n-grsecurity17-800x450.png 800w\" sizes=\"auto, (max-width: 1920px) 100vw, 1920px\" \/><\/a> <a href=\"http:\/\/clark.tipistrani.it\/wp-content\/uploads\/2014\/02\/n-grsecurity18.png\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-1097\" alt=\"n-grsecurity18\" src=\"http:\/\/clark.tipistrani.it\/wp-content\/uploads\/2014\/02\/n-grsecurity18.png\" width=\"1920\" height=\"1080\" srcset=\"http:\/\/clark.tipistrani.it\/wp-content\/uploads\/2014\/02\/n-grsecurity18.png 1920w, http:\/\/clark.tipistrani.it\/wp-content\/uploads\/2014\/02\/n-grsecurity18-300x168.png 300w, http:\/\/clark.tipistrani.it\/wp-content\/uploads\/2014\/02\/n-grsecurity18-1024x576.png 1024w, http:\/\/clark.tipistrani.it\/wp-content\/uploads\/2014\/02\/n-grsecurity18-800x450.png 800w\" sizes=\"auto, (max-width: 1920px) 100vw, 1920px\" \/><\/a> <a href=\"http:\/\/clark.tipistrani.it\/wp-content\/uploads\/2014\/02\/n-grsecurity19.png\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-1098\" alt=\"n-grsecurity19\" src=\"http:\/\/clark.tipistrani.it\/wp-content\/uploads\/2014\/02\/n-grsecurity19.png\" width=\"1920\" height=\"1080\" srcset=\"http:\/\/clark.tipistrani.it\/wp-content\/uploads\/2014\/02\/n-grsecurity19.png 1920w, http:\/\/clark.tipistrani.it\/wp-content\/uploads\/2014\/02\/n-grsecurity19-300x168.png 300w, http:\/\/clark.tipistrani.it\/wp-content\/uploads\/2014\/02\/n-grsecurity19-1024x576.png 1024w, http:\/\/clark.tipistrani.it\/wp-content\/uploads\/2014\/02\/n-grsecurity19-800x450.png 800w\" sizes=\"auto, (max-width: 1920px) 100vw, 1920px\" \/><\/a> <a href=\"http:\/\/clark.tipistrani.it\/wp-content\/uploads\/2014\/02\/n-grsecurity20.png\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-1099\" alt=\"n-grsecurity20\" src=\"http:\/\/clark.tipistrani.it\/wp-content\/uploads\/2014\/02\/n-grsecurity20.png\" width=\"1920\" height=\"1080\" srcset=\"http:\/\/clark.tipistrani.it\/wp-content\/uploads\/2014\/02\/n-grsecurity20.png 1920w, http:\/\/clark.tipistrani.it\/wp-content\/uploads\/2014\/02\/n-grsecurity20-300x168.png 300w, http:\/\/clark.tipistrani.it\/wp-content\/uploads\/2014\/02\/n-grsecurity20-1024x576.png 1024w, http:\/\/clark.tipistrani.it\/wp-content\/uploads\/2014\/02\/n-grsecurity20-800x450.png 800w\" sizes=\"auto, (max-width: 1920px) 100vw, 1920px\" \/><\/a> <a href=\"http:\/\/clark.tipistrani.it\/wp-content\/uploads\/2014\/02\/n-grsecurity21.png\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-1100\" alt=\"n-grsecurity21\" src=\"http:\/\/clark.tipistrani.it\/wp-content\/uploads\/2014\/02\/n-grsecurity21.png\" width=\"1920\" height=\"1080\" srcset=\"http:\/\/clark.tipistrani.it\/wp-content\/uploads\/2014\/02\/n-grsecurity21.png 1920w, http:\/\/clark.tipistrani.it\/wp-content\/uploads\/2014\/02\/n-grsecurity21-300x168.png 300w, http:\/\/clark.tipistrani.it\/wp-content\/uploads\/2014\/02\/n-grsecurity21-1024x576.png 1024w, http:\/\/clark.tipistrani.it\/wp-content\/uploads\/2014\/02\/n-grsecurity21-800x450.png 800w\" sizes=\"auto, (max-width: 1920px) 100vw, 1920px\" \/><\/a> <a href=\"http:\/\/clark.tipistrani.it\/wp-content\/uploads\/2014\/02\/n-grsecurity22.png\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-1101\" alt=\"n-grsecurity22\" src=\"http:\/\/clark.tipistrani.it\/wp-content\/uploads\/2014\/02\/n-grsecurity22.png\" width=\"1920\" height=\"1080\" srcset=\"http:\/\/clark.tipistrani.it\/wp-content\/uploads\/2014\/02\/n-grsecurity22.png 1920w, http:\/\/clark.tipistrani.it\/wp-content\/uploads\/2014\/02\/n-grsecurity22-300x168.png 300w, http:\/\/clark.tipistrani.it\/wp-content\/uploads\/2014\/02\/n-grsecurity22-1024x576.png 1024w, http:\/\/clark.tipistrani.it\/wp-content\/uploads\/2014\/02\/n-grsecurity22-800x450.png 800w\" sizes=\"auto, (max-width: 1920px) 100vw, 1920px\" \/><\/a> <a href=\"http:\/\/clark.tipistrani.it\/wp-content\/uploads\/2014\/02\/n-grsecurity23.png\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-1102\" alt=\"n-grsecurity23\" src=\"http:\/\/clark.tipistrani.it\/wp-content\/uploads\/2014\/02\/n-grsecurity23.png\" width=\"1920\" height=\"1080\" srcset=\"http:\/\/clark.tipistrani.it\/wp-content\/uploads\/2014\/02\/n-grsecurity23.png 1920w, http:\/\/clark.tipistrani.it\/wp-content\/uploads\/2014\/02\/n-grsecurity23-300x168.png 300w, http:\/\/clark.tipistrani.it\/wp-content\/uploads\/2014\/02\/n-grsecurity23-1024x576.png 1024w, http:\/\/clark.tipistrani.it\/wp-content\/uploads\/2014\/02\/n-grsecurity23-800x450.png 800w\" sizes=\"auto, (max-width: 1920px) 100vw, 1920px\" \/><\/a>Una volta finita la configurazione compilo con:<br \/>\nfakeroot make KDEB_PKGVERSION=1 deb-pkg -j5<\/p>\n<p>N.B.<br \/>\nquesto \u00e8 il nuovo metodo di compilazione per i kernel Debian, il vecchio make-kpkg che era una favola \u00e8 deprecato, e c&#8217;\u00e8 un bug in kernel-package dal 2012 (al momento siamo a febbraio 2014) che da errori se si compila con make-kpkg e si disabilita il supporto moduli, secondo me un elegante modo per costringere ad usare il nuovo metodo, ma \u00e8 opinione personale.<br \/>\nnella directory immediatamente superiore si creano i pacchetti:<br \/>\nlinux-headers-3.10.0-grsec_1_amd64.deb<br \/>\nlinux-image-3.10.0-grsec_1_amd64.deb<br \/>\nlinux-libc-dev_1_amd64.deb<br \/>\nA me interessa solo l&#8217;image e installo solo quello col solito dpkg -i una volta rebootato il server e&#8217; pronto con il kernel grsecurity.<\/p>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>A volte come in questo caso specifico si rende necessario ricompilare un kernel da zero per poter ottenere delle features che non sono standard. Senza addentrarmi in una spiegazione che non solo esula dalla natura di questo articolo ma che non sarei neanche in grado di scrivere decentemente, di seguito passo passo la configurazione di [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[8,6],"tags":[34,63,65,64],"class_list":["post-1022","post","type-post","status-publish","format-standard","hentry","category-linux","category-work","tag-drbd","tag-grsecurity","tag-kernel","tag-pax"],"_links":{"self":[{"href":"http:\/\/clark.tipistrani.it\/index.php?rest_route=\/wp\/v2\/posts\/1022","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/clark.tipistrani.it\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/clark.tipistrani.it\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/clark.tipistrani.it\/index.php?rest_route=\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"http:\/\/clark.tipistrani.it\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=1022"}],"version-history":[{"count":10,"href":"http:\/\/clark.tipistrani.it\/index.php?rest_route=\/wp\/v2\/posts\/1022\/revisions"}],"predecessor-version":[{"id":1107,"href":"http:\/\/clark.tipistrani.it\/index.php?rest_route=\/wp\/v2\/posts\/1022\/revisions\/1107"}],"wp:attachment":[{"href":"http:\/\/clark.tipistrani.it\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1022"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/clark.tipistrani.it\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1022"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/clark.tipistrani.it\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1022"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}