Tomas Lipensky - vedomostni koutek

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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
Line 96: Line 96:
 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\\
Line 167: Line 168:
 sysctl -p ... nacte astaveni jadra z /etc/sysctl.conf\\ sysctl -p ... nacte astaveni jadra z /etc/sysctl.conf\\
 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://www.linkedin.com/feed/update/urn:li:activity:6951904189170020352?utm_source=linkedin_share&utm_medium=member_desktop_web|strucne slidy o core dumpech]]\\
 +gcore -o output.dump 1234 ... vytvori dump procesu pro budouci analyzu\\
 +[[https://github.com/sysinternals/|procdump]] ... dalsi programek pro [[https://man7.org/linux/man-pages/man5/core.5.html|core]] dumpy\\
 +apt install $(uname -r)-dbg linux-readers-$(uname -r) ... image jadra se symboly\\
 +apt install kdump-tools kexec-tools\\
 +echo 1 > /prox/sys/kernel/sysrq ... manualni metoda generovani coru jadra\\
 +echo c > /proc/sysrq-trigger ... manualni metoda generovani coru jadra\\
 +/var/crash ... nachazi se zde dumpy\\
 +/usr/lib/debug ... nachazi se zde dumpy\\
 +apt install crash\\
  
 ====Moduly do jadra==== ====Moduly do jadra====
Last modified: 2022/07/11 00:24
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