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--- linux_befehle [2015/07/16 12:09] – [X] michael
+++ linux_befehle [2025/02/28 06:55] (current) – mduersch
@@ Line 1: / Line 1: @@
 ====== Linux Befehle ======
+==== C ====
+Certificates:
+  lets encrypt:
+    sudo apt-get update && sudo apt-get install git
+    git clone https://github.com/letsencrypt/letsencrypt
+    cd letsencrypt
+  Key erstellen und installieren:
+    sudo ./letsencrypt-auto --rsa-key-size 4096 -d example.net
+  Key erstellen:
+    sudo ./letsencrypt-auto certonly --rsa-key-size 4096 -d example.net
+  Key erstellen mit Subdomains:
+    sudo ./letsencrypt-auto --rsa-key-size 4096 -d example.net -d sub1.example.net -d sub2.example.net ..
 ==== D ====
@@ Line 14: / Line 27: @@
 ==== N ====
+Netcat: Alternative zu telnet um Freischaltung zu verifizieren
+nc -zv 10.7.16.57 1800
+Connection to 10.7.16.57 1800 port [tcp/ansys-lm] succeeded!
 ncdu - ncurses disk usage
+==== S ====
+per ssh mehre server abfragen (hier am Beispiel rpm Pakete):
+  for i in 01 02 03 04 05 06 07 08 09 11 12 13 14 15 ; do ssh host$i 'echo "host'$i'\n"; rpm -qa | grep TIV; rpm -qa | grep TDP'; done
+systemd und ISP Client
+  bckpdev:/usr/lib/systemd/system # cat dsmcad.service
+  [Unit]
+  Description=ISP Backup and Archive Client
+  Documentation=http://www-01.ibm.com/support/knowledgecenter/SSGSG7_7.1.1/com.ibm.itsm.client.doc/t_inst_linuxx86client.html?lang=en
+  After=networt.target
+  [Service]
+  StandardOutput=syslog
+  ExecStart=/usr/bin/dsmcad -optfile=/opt/tivoli/tsm/client/ba/bin/dsm.opt
+  Type=forking
+  GuessMainPID=no
+  Restart=on-failure
+  [Install]
+  WantedBy=default.target
+  Alias=dsmcad.service
+  bckpdev:/etc/systemd/system # ll dsmcad.service
+  lrwxrwxrwx 1 root root 38 Dec  3 12:50 dsmcad.service -> /usr/lib/systemd/system/dsmcad.service
+systool
+  # systool -a -v -c scsi_host host11 | egrep "Class Device|model|version|proc_name"
+  Class Device = "host11"
+  Class Device path = "/sys/class/scsi_host/host11"
+xx_fw_version = ""
+  driver_version = "8.03.07.15.05.09-k"
+  fw_version = "5.06.03 (90d5)"
+  model_desc = "PCI-Express Dual Channel 8Gb Fibre Channel HBA"
+  model_name = "QLE2562"
+  mpi_version = ""
+  optrom_bios_version = "3.31"
+  optrom_efi_version = "6.10"
+  optrom_fcode_version= "0.00"
+  optrom_fw_version = "8.01.02 32896"
+  phy_version = ""
+  proc_name = "<NULL>"
 ==== T ====