10:16:54

$ls -l /poc/cpuinfo

ls: cannot access '/poc/cpuinfo': No such file or directory

/dev/pts/2

10:22:01

$ssh 172.20.13.183

                                                                                    inet 172.20.13.183/25 brd 172.20.13.255 scope global dynamic enp3s0
                                                                                       valid_lft 690907sec preferred_lft 690907sec
                                                                                    inet6 fe80::3285:a9ff:fe9e:10aa/64 scope link
                                                                                       valid_lft forever preferred_lft forever
[user@instructor:~]$
[user@instructor:~]$
[user@instructor:~]$
[user@instructor:~]$ l
bash: l: command not found
[user@instructor:~]$ scpu
bash: scpu: command not found

/dev/pts/0

10:27:14

$ls -l /proc/cpuinfo

-r--r--r-- 1 root root 0 Dec 17 12:29 /proc/cpuinfo

10:29:26

$free

              total        used        free      shared  buff/cache   available
Mem:        8143996      675336     6838416      145808      630244     7088092
Swap:       8351740           0     8351740

10:29:47

$su

Password:
su: Authentication failure

10:33:54

$:/home/user# vi /etc/sudoers

bash: :/home/user#: No such file or directory

10:36:17

bash: :/home/user#vim: No such file or directory

10:36:30

$su

# User alias specification
# Cmnd alias specification
# User privilege specification
root    ALL=(ALL:ALL) ALL
user ALL=(ALL:ALL) ALL
# Allow members of group sudo to execute any command
%sudo   ALL=(ALL:ALL) ALL
# See sudoers(5) for more information on "#include" directives:
#includedir /etc/sudoers.d
root@m2:/home/user# exit

10:37:35

$sudo dmidecode

We trust you have received the usual lecture from the local System
Administrator. It usually boils down to these three things:
    #1) Respect the privacy of others.
    #2) Think before you type.
    #3) With great power comes great responsibility.
[sudo] password for user:
# dmidecode 3.0
Getting SMBIOS data from sysfs.
SMBIOS 2.5 present.
46 structures occupying 1824 bytes.
...
OEM-specific Type
        Header and Data:
                8B 36 2C 00 07 10 22 01 00 00 00 20 04 04 32 55
                F8 00 A2 02 A1 00 40 63 43 10 EB 82 03 DF 40 B2
                00 20 00 73 3C 10 08 00 00 00 00 00 00 00 00 00
                00 00 00 00 00 01
        Strings:
                V1394GUID
Handle 0x002D, DMI type 127, 4 bytes
End Of Table

10:38:48

$vi ~/.bashrc

10:43:19

$. /etc/bash_completion

10:43:36

$sudo dmidecode

# dmidecode 3.0
Getting SMBIOS data from sysfs.
SMBIOS 2.5 present.
46 structures occupying 1824 bytes.
Table at 0x000F06D0.
Handle 0x0000, DMI type 0, 24 bytes
BIOS Information
        Vendor: American Megatrends Inc.
        Version: 0405
        Release Date: 11/22/2010
...
OEM-specific Type
        Header and Data:
                8B 36 2C 00 07 10 22 01 00 00 00 20 04 04 32 55
                F8 00 A2 02 A1 00 40 63 43 10 EB 82 03 DF 40 B2
                00 20 00 73 3C 10 08 00 00 00 00 00 00 00 00 00
                00 00 00 00 00 01
        Strings:
                V1394GUID
Handle 0x002D, DMI type 127, 4 bytes
End Of Table

10:43:53

$sudo apt-get install hdpar

Reading package lists... Done
Building dependency tree
Reading state information... Done
E: Unable to locate package hdpar

10:44:30

$sudo apt-get install hdparm

Reading package lists... Done
Building dependency tree
Reading state information... Done
hdparm is already the newest version (9.51+ds-1+deb9u1).
0 upgraded, 0 newly installed, 0 to remove and 0 not upgraded.

10:44:39

$cat /proc/patitios

cat: /proc/patitios: No such file or directory

10:45:30

$cat /proc/patitions

cat: /proc/patitions: No such file or directory

10:45:36

$cat /proc/partitions

major minor  #blocks  name
  11        0    1048575 sr0
   8        0  244198584 sda
   8        1  235844608 sda1
   8        2          1 sda2
   8        5    8351744 sda5

10:46:08

$df -h

Filesystem      Size  Used Avail Use% Mounted on
udev            3.9G     0  3.9G   0% /dev
tmpfs           796M   18M  779M   3% /run
/dev/sda1       221G  4.2G  205G   2% /
tmpfs           3.9G     0  3.9G   0% /dev/shm
tmpfs           5.0M  4.0K  5.0M   1% /run/lock
tmpfs           3.9G     0  3.9G   0% /sys/fs/cgroup
tmpfs           796M   16K  796M   1% /run/user/117
tmpfs           796M   40K  796M   1% /run/user/1001

10:47:29

$hdparm -tT /dev/sda

bash: hdparm: command not found

10:51:03

$sudo hdparm -tT /dev/sda

/dev/sda:
 Timing cached reads:   3534 MB in  2.00 seconds = 1767.92 MB/sec
 Timing buffered disk reads: 272 MB in  3.02 seconds =  90.04 MB/sec

10:54:29

$sudo apt-get install curl

[sudo] password for user:
Reading package lists... Done
Building dependency tree
Reading state information... Done
The following additional packages will be installed:
  libcurl3
The following NEW packages will be installed:
  curl libcurl3
0 upgraded, 2 newly installed, 0 to remove and 0 not upgraded.
Need to get 519 kB of archives.
...
(Reading database ... 135979 files and directories currently installed.)
Preparing to unpack .../libcurl3_7.52.1-5+deb9u8_amd64.deb ...
Unpacking libcurl3:amd64 (7.52.1-5+deb9u8) ...
Selecting previously unselected package curl.
Preparing to unpack .../curl_7.52.1-5+deb9u8_amd64.deb ...
Unpacking curl (7.52.1-5+deb9u8) ...
Setting up libcurl3:amd64 (7.52.1-5+deb9u8) ...
Processing triggers for libc-bin (2.24-11+deb9u3) ...
Processing triggers for man-db (2.7.6.1-2) ...
Setting up curl (7.52.1-5+deb9u8) ...

12:08:37

$curl cheat.sh/ls

# Displays everything in the target directory
ls path/to/the/target/directory
# Displays everything including hidden files
ls -a
# Displays all files, along with the size (with unit suffixes) and timestamp
ls -lh
# Display files, sorted by size
ls -S
# Display directories only
ls -d */
# Display directories only, include hidden
ls -d .*/ */

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Понедельник (12/17/18)