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os:lin-manage [2022/01/26 11:38] 127.0.0.1 external edit |
os:lin-manage [2022/07/11 00:24] (current) tomas |
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snap refresh --list ... update balicku\\ | snap refresh --list ... update balicku\\ | ||
snap help ... napoveda\\ | snap help ... napoveda\\ | ||
+ | |||
====Uzivatele==== | ====Uzivatele==== | ||
/etc/skel/ ... defaultni home directory\\ | /etc/skel/ ... defaultni home directory\\ | ||
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sysctl -p ... nacte astaveni jadra z / | sysctl -p ... nacte astaveni jadra z / | ||
BOOT: smt-enabled=on ... zapnuti smt ve startovaci radce bootu jadra pro aktivaci SMT na P-Series\\ | BOOT: smt-enabled=on ... zapnuti smt ve startovaci radce bootu jadra pro aktivaci SMT na P-Series\\ | ||
+ | |||
+ | ====Dumpy==== | ||
+ | [[https:// | ||
+ | gcore -o output.dump 1234 ... vytvori dump procesu pro budouci analyzu\\ | ||
+ | [[https:// | ||
+ | apt install $(uname -r)-dbg linux-readers-$(uname -r) ... image jadra se symboly\\ | ||
+ | apt install kdump-tools kexec-tools\\ | ||
+ | echo 1 > / | ||
+ | echo c > / | ||
+ | /var/crash ... nachazi se zde dumpy\\ | ||
+ | / | ||
+ | apt install crash\\ | ||
====Moduly do jadra==== | ====Moduly do jadra==== |