195.113.2.20    grimm-rsa.ruk.cuni.cz     grimm-rsa
195.113.2.21    jakobson.ruk.cuni.cz      jakobson
195.113.2.22    chomsky.ruk.cuni.cz       chomsky
195.113.2.23    grimm.ruk.cuni.cz         grimm
195.113.2.197   utkl-laserjet.ruk.cuni.cz utkl-laserjet
195.113.2.198   utkl-samsung.ruk.cuni.cz  utkl-samsung
#
192.168.128.1   jakobson-eth1.ruk.cuni.cz jakobson-eth1
192.168.128.2   grimm-old.ruk.cuni.cz     grimm-old
192.168.128.3   chomsky-eth1.ruk.cuni.cz  chomsky-eth1
192.168.128.4   grimm-eth1.ruk.cuni.cz    grimm-eth1
192.168.128.5   grimm-ipmi
192.168.128.10  thecus.ruk.cuni.cz        thecus
192.168.128.11  nas-utkl.ruk.cuni.cz-eth1 nas-utkl

nameserver: 195.113.52.27
            195.113.53.27
gateway:    78.128.204.129
timeserver: 78.128.204.129

• mac_adresy

• lshw
• 48 jader
• Intel(R) Xeon(R) CPU E5-2670 v3 @ 2.30GHz
• Paměť: 131928056 kB (128 GB)
• Disky:
  • 300 GB Seagate Savvio 2x - RAID1 - systém
    Drive Group: 2, ID: 1
  • 600 GB Seagate Cheetah 3x - RAID5 (1,2 TB) - rychlá práce
    Drive Group: 0, ID: 0
  • 4 TB WD 8x - RAID6 (24 TB) - data
    Drive Group: 1, ID: 2
    partitions spravovat pomocí parted
• Partitions:

Filesystem      Size  Used Avail Use% Mounted on
/dev/sdb1       149G   17G  125G  12% /
none            4.0K     0  4.0K   0% /sys/fs/cgroup
udev             63G  4.0K   63G   1% /dev
tmpfs            63G  103M   63G   1% /tmp
tmpfs            13G  1.3M   13G   1% /run
none            5.0M     0  5.0M   0% /run/lock
none             63G     0   63G   0% /run/shm
none            100M     0  100M   0% /run/user
/dev/sda1       1.1T   36G 1008G   4% /work
/dev/sdc1        22T  2.0T   19T  10% /store

• Boot:
  • /vmlinuz na /dev/sdb1; root=/dev/sdb1
• HW adresy:
  • eth0: 00:25:90:fc:3a:d2
  • eth1: 00:25:90:fc:3a:d3
• grimm-grub

• lshw
• 8 jader
• Paměť: 32 GB
• Ubuntu 16.04.3 LTS
• disky:

  Filesystem      Size  Used Avail Use% Mounted on
  udev             16G     0   16G   0% /dev
  tmpfs           3,2G   74M  3,1G   3% /run
  /dev/sda1       886G   21G  821G   3% /
  tmpfs            16G     0   16G   0% /dev/shm
  tmpfs           5,0M     0  5,0M   0% /run/lock
  tmpfs            16G     0   16G   0% /sys/fs/cgroup
  tmpfs            16G  2,1G   14G  14% /mnt/ramdisk
  tmpfs            16G     0   16G   0% /tmp
  /dev/sdb1       688G   23G  631G   4% /mnt/sdb1
  /dev/sdd1       688G   69M  653G   1% /mnt/sdd1
  /dev/sdc1       917G  533G  338G  62% /store
  tmpfs           3,2G     0  3,2G   0% /run/user/6001

• jakobson-grub

• lshw
• Zařazení: 30.10.2015
• 12 jader
• Paměť: 8 x 8 GB (DDR4)
• Systém: Ubuntu 16.04.1 LTS (Mate)
• Disky:

  Filesystem      Size  Used Avail Use% Mounted on
  udev             32G     0   32G   0% /dev
  tmpfs           6,3G  107M  6,2G   2% /run
  /dev/sda2       901G   17G  839G   2% /
  tmpfs            32G  8,6M   32G   1% /dev/shm
  tmpfs           5,0M     0  5,0M   0% /run/lock
  tmpfs            32G     0   32G   0% /sys/fs/cgroup
  tmpfs            32G     0   32G   0% /mnt/ramdisk
  /dev/sdc1       1,8T  584G  1,2T  34% /store
  /dev/sdb1       1,8T  591G  1,2T  34% /export/home
  /dev/sda1       511M  3,4M  508M   1% /boot/efi
  /dev/sdd1       256M  122M  134M  48% /media/skoumal/VID

• RAID 5
• 5.5 TB
• Manuál
• Quick Start
• http://192.168.128.11:5000
• admin:admin
• Je třeba se přihlašovat v SeaMonkey, v Google Chrome to nefunguje.

• backup2l:

  [skoumal@chomsky etc]$ ll backup2l*.conf
  -rw-r--r-- 1 root root 10627 2012-07-25 15:40 backup2l-annot.conf
  -rw-r--r-- 1 root root 10618 2011-04-18 17:35 backup2l-milena.conf
  -rw-r--r-- 1 root root 10622 2011-04-18 17:36 backup2l-petkevic.conf
  -rw-r--r-- 1 root root 10616 2011-04-18 17:36 backup2l-rosen.conf
  -rw-r--r-- 1 root root 10620 2011-04-18 17:36 backup2l-skoumal.conf
  -rw-r--r-- 1 root root 10616 2011-04-18 17:36 backup2l-tomas.conf
  -rw-r--r-- 1 root root 10893 2011-04-18 17:36 backup2l.conf
  
  [skoumal@chomsky etc]$ m /etc/cron.daily/zz-backup2l
  #!/bin/bash 
  
  mv -f /root/backup.log.old /root/backup.log.older
  mv -f /root/backup.log /root/backup.log.old
  mv -f /root/backup-skoumal.log.old /root/backup-skoumal.log.older
  mv -f /root/backup-skoumal.log /root/backup-skoumal.log.old
  nice -n 19 /usr/local/bin/backup2l -b > /root/backup.log
  nice -n 19 /usr/local/bin/backup2l -c /etc/backup2l-skoumal.conf -b > /root/backup-skoumal.log
  nice -n 19 /usr/local/bin/backup2l -c /etc/backup2l-petkevic.conf -b
  nice -n 19 /usr/local/bin/backup2l -c /etc/backup2l-tomas.conf -b
  nice -n 19 /usr/local/bin/backup2l -c /etc/backup2l-rosen.conf -b
  nice -n 19 /usr/local/bin/backup2l -c /etc/backup2l-milena.conf -b
  nice -n 19 /usr/local/bin/backup2l -c /etc/backup2l-annot.conf -b
  
  [skoumal@chomsky etc]$ m backup2l-annot.conf
  ##################################################
  # Volume identification
  
  # This is the prefix for all output files;
  # multiple volumes can be handled by using different configuration files
  VOLNAME="annot"
  
  ##################################################
  # Source files
  
  # List of directories to make backups of.
  # All paths MUST be absolute and start with a '/'!
  #SRCLIST=(/export/home /mnt/sata2/manatee-registry /mnt/sata2/data)
  SRCLIST=(/usr/local/corp/annotate/data)
  
  ##################################################
  # Destination
  
  # Destination directory for backups;
  # it must exist and must not be the top-level of BACKUP_DEV
  BACKUP_DIR="/array/chomsky-backup"
  
  ##################################################
  # Backup parameters
  
  # Number of levels of differential backups (1..9)
  MAX_LEVEL=2
  
  # Maximum number of differential backups per level (1..9)
  MAX_PER_LEVEL=5
  
  # Maximum number of full backups (1..8)
  MAX_FULL=2
  
  # For differential backups: number of generations to keep per level;
  # old backups are removed such that at least GENERATIONS * MAX_PER_LEVEL
  # recent versions are still available for the respective level
  GENERATIONS=1
  
  # If the following variable is 1, a check file is automatically generated
  CREATE_CHECK_FILE=1
  
  ##################################################
  # Misc.
  
  # Create a backup when invoked without arguments?
  AUTORUN=0
  
  # Size units
  SIZE_UNITS=""    # set to "B", "K", "M" or "G" to obtain unified units in summar
  y list
  
  # Remove this line after the setup is finished.
  #UNCONFIGURED=1
  
  # Archive driver for new backups (optional, default = "DRIVER_TAR_GZ")
  # CREATE_DRIVER="DRIVER_MY_AFIOZ"

• cron.weekly:

  [skoumal@grimm cron.weekly]$ ll backup-*
  -rwxr-xr-x 1 root root 323 2011-02-28 09:37 backup-corp
  -rwxr-xr-x 1 root root 248 2011-04-27 09:54 backup-langr
  -rwxr-xr-x 1 root root 224 2012-07-25 15:53 backup-rules
  
  [skoumal@grimm cron.weekly]$ m backup-corp
  #!/bin/bash
  
  # This script performs backup of /corp
  # to jakobson (/raid/grimm-backup/corp.XXX.tgz)
  
  DUMP_EXT=`date +%y%m%d%H%M%S`
  cd /corp
  tar czf qqq.tgz --exclude 'LEX*' --exclude 'lost+found' --exclude 'DVD' --exclude 'syn*' *
  mv qqq.tgz /net/jakobson/raid/corp.${DUMP_EXT}.tgz
  
  [skoumal@grimm cron.weekly]$ m backup-langr
  #!/bin/bash
  
  # This script performs backup of /disk2/langr
  # to thecus (/array/grimm-backup/langr.XXX.tgz)
  
  DUMP_EXT=`date +%y%m%d%H%M%S`
  cd /disk2/langr
  tar czf qqq.tgz --exclude 'lost+found' *
  mv qqq.tgz /array/grimm-backup/langr.${DUMP_EXT}.tgz
  
  [skoumal@grimm cron.weekly]$ m backup-rules
  #!/bin/bash
  
  # This script performs backup of /disk3/rules 
  # to thecus (/array/grimm-backup/rules.XXX.tgz)
  
  DUMP_EXT=`date +%y%m%d%H%M%S`
  cd /disk3
  tar czf qqq.tgz rules
  mv qqq.tgz /array/grimm-backup/rules.${DUMP_EXT}.tgz

• backup2l:

  [root@jakobson etc]# ll backup2l*.conf
  -rw-r--r-- 1 root root 13262 Oct 30 20:46 backup2l-etc.conf
  -rw-r--r-- 1 root root 13274 Oct 30 20:47 backup2l-local.conf
  -rw-r--r-- 1 root root 13272 Oct 30 20:46 backup2l-mail.conf
  -rw-r--r-- 1 root root 13270 Oct 31 15:39 backup2l-varlib.conf
  -rw-r--r-- 1 root root 13236 Oct 17  2011 backup2l.conf
  
  [root@jakobson etc]# m /etc/cron.daily/zz-backup2l
  #!/bin/bash
  
  ! which backup2l > /dev/null || nice -n 19 backup2l -c /etc/backup2l-etc.conf -b
  ! which backup2l > /dev/null || nice -n 19 backup2l -c /etc/backup2l-local.conf -b
  ! which backup2l > /dev/null || nice -n 19 backup2l -c /etc/backup2l-mail.conf -b
  
  [root@jakobson etc]# m backup2l-etc.conf
  ##################################################
  # Volume identification
  
  # This is the prefix for all output files;
  # multiple volumes can be handled by using different configuration files
  VOLNAME="etc"
  
  ##################################################
  # Source files
  
  # List of directories to make backups of.
  # All paths MUST be absolute and start with a '/'!
  #SRCLIST=(/etc /root /home /var/mail /usr/local)
  SRCLIST=(/etc)
  
  ##################################################
  # Destination
  
  # Destination directory for backups;
  # it must exist and must not be the top-level of BACKUP_DEV
  BACKUP_DIR="/array/jakobson-backup"
  
  ##################################################
  # Backup parameters
  
  # Number of levels of differential backups (1..9)
  MAX_LEVEL=2
  
  # Maximum number of differential backups per level (1..9)
  MAX_PER_LEVEL=5
  
  # Maximum number of full backups (1..8)
  MAX_FULL=2
  
  # For differential backups: number of generations to keep per level;
  # old backups are removed such that at least GENERATIONS * MAX_PER_LEVEL
  # recent versions are still available for the respective level
  GENERATIONS=1
  
  # If the following variable is 1, a check file is automatically generated
  CREATE_CHECK_FILE=1
  
  ##################################################
  # Misc.
  
  # Create a backup when invoked without arguments?
  AUTORUN=0
  
  # Size units
  SIZE_UNITS=""    # set to "B", "K", "M" or "G" to obtain unified units in summary list
  
  # Remove this line after the setup is finished.
  #UNCONFIGURED=1
  
  # Archive driver for new backups (default = "DRIVER_TAR_GZ")
  #CREATE_DRIVER="DRIVER_TAR_BZ2"
  
  # Usable built-in drivers for CREATE_DRIVER:
  # DRIVER_TAR, DRIVER_TAR_GZ, DRIVER_TAR_BZ2, DRIVER_AFIOZ
  
  [root@jakobson etc]# m backup2l-local.conf
  ##################################################
  # Volume identification
  
  # This is the prefix for all output files;
  # multiple volumes can be handled by using different configuration files
  VOLNAME="usr-local"
  
  ##################################################
  # Source files
  
  # List of directories to make backups of.
  # All paths MUST be absolute and start with a '/'!
  #SRCLIST=(/etc /root /home /var/mail /usr/local)
  SRCLIST=(/usr/local)
  
  [root@jakobson etc]# m backup2l-mail.conf 
  ##################################################
  # Volume identification
  
  # This is the prefix for all output files;
  # multiple volumes can be handled by using different configuration files
  VOLNAME="var-mail"
  
  ##################################################
  # Source files
  
  # List of directories to make backups of.
  # All paths MUST be absolute and start with a '/'!
  #SRCLIST=(/etc /root /home /var/mail /usr/local)
  SRCLIST=(/var/mail)

• automysqlbackup:

  [root@jakobson ~]# ll /var/lib/automysqlbackup/
  total 12
  drwxr-xr-x 6 root root 4096 Oct 31 06:28 daily
  drwxr-xr-x 2 root root 4096 Oct 31 06:28 monthly
  drwxr-xr-x 6 root root 4096 Oct 31 06:28 weekly

• Ubuntu 10.04

• Chybové hlášky v messages:

  Dec 30 23:04:38 utkl-mivvy kernel: [   12.647584] <-- RTMPAllocTxRxRingMemory, Status=0
  Dec 30 23:04:38 utkl-mivvy kernel: [   12.650548] RtmpOSFileOpen(): Error 2 opening /etc/Wireless/RT2860STA/RT2860STA.dat
  Dec 30 23:04:38 utkl-mivvy kernel: [   12.650559] Open file "/etc/Wireless/RT2860STA/RT2860STA.dat" failed!
  Dec 30 23:04:38 utkl-mivvy kernel: [   12.650566] 1. Phy Mode = 0
  Dec 30 23:04:38 utkl-mivvy kernel: [   12.650571] ERROR!!! NICReadRegParameters failed, Status[=0x00000001]
  Dec 30 23:04:38 utkl-mivvy kernel: [   12.655768] !!! rt28xx Initialized fail !!!

• Oprava:

  $ cat /etc/Wireless/RT2860STA/RT2860STA.dat
  Default

Video porty na klientech:

• 4x DisplayPort nebo HDMI
• 1x dual head HDMI

Monitory:

• 1x DisplayPort + DVI + VGA (chomsky)
• 4x DVI + VGA (Tomáš, chomsky-malý, Saša, navíc)
• 4x VGA (Hanka 2x, Milena, Niki)

Kabely a konektory:

• 1x DisplayPort ↔ DisplayPort (chomsky)
• 2x HDMI ↔ VGA (Hanka)

Chybí:

• Tomáš: DisplayPort nebo HDMI ↔ DVI nebo VGA
• Milena: DisplayPort nebo HDMI ↔ VGA
• Niki: DisplayPort nebo HDMI ↔ VGA
• Saša: DisplayPort nebo HDMI ↔ VGA

• počítače: Dell (32bit, Milena), Dell (32bit, Niki), Asus Eee (32bit, Milena), HP ProBook (32bit, Hanka)
• přístupové údaje: EAV-18115894, mux5msa6mr

• webmin doma:

  $ ssh -L 10001:jakobson:10000 jakobson

  a pak otevřít stránku

  https://localhost:10001

• na stroji s apachem (jakobson) vytvořit adresář .ssh pod /var/www:

  $ su -
  $ cd /var/www
  $ mkdir .ssh
  $ chown www-data:www-data .ssh

• vyrobit pro apache ssh-key:

  $ sudo -u apache ssh-keygen -t rsa
  Generating public/private rsa key pair.
  Enter file in which to save the key (/var/www/.ssh/id_rsa):
  Created directory '/var/www/.ssh'.
  Enter passphrase (empty for no passphrase):
  Enter same passphrase again:
  Your identification has been saved in /var/www/.ssh/id_rsa.
  Your public key has been saved in /var/www/.ssh/id_rsa.pub.
  The key fingerprint is:
  3e:4f:05:79:3a:9f:96:7c:3b:ad:e9:58:37:bc:37:e4 www-data@jakobson

• zkontrolovat práva k souborům v .ssh
• přidat id_rsa.pub do souboru authorized_keys pro uživatele na jiném stroji (skoumal@chomsky):

  $ cd .ssh
  $ scp id_rsa.pub skoumal@chomsky:.ssh/apache.jakobson
  $ ssh skoumal@chomsky
  $ cd ~/.ssh
  $ cat apache.jakobson >> authorized_keys

• vyzkoušet na jakobsonovi:

  sudo -u apache ssh skoumal@chomsky

• lze použít pouze ke kopírování souborů – apache se nesmí nalogovat
• vytvořit id_rsa.pub jako nahoře (nebo použít již vytvořený)
• na jiném stroji (grimm) vytvořit taky /var/www/.ssh
• přidat id_rsa.pub z jakobsona do authorized_keys na grimmovi
• v /etc/passwd na grimmovi změnit u www-data login na /usr/bin/scponly (zkontrolovat, jestli je nainstalovaný) Pozor, nové Ubuntu na něj nemá package!
• /etc/shells musí obsahovat scponly (obvykle se tam připíše při instalování)
• zkusit něco zkopírovat:

  $ sudo -u www-data scp grimm:/usr/local/langr/rules/linguists/tmp/hanka/LEX /tmp

• při potížích zkusit scp -v