public class GetOSDetails {
public static void main(String[] args)
{
String osName = System.getProperty("os.name");
String osVersion = System.getProperty("os.version");
String osArch = System.getProperty("os.arch");
System.out.printf("OS Name: %s, \nOS Version: %s, \nOS Arch %s\n",osName, osVersion, osArch);
}
}
wtorek, 31 maja 2016
Play With StringBuilder Java
import java.io.File;
import java.io.IOException;
public class StringBuilderTest1
{
public static void main(String[] args) throws IOException {
int ver = 10;
StringBuilder sb = null;
for(int i=1;i<10;i++)
{
sb = new StringBuilder().append("e:\\file").append(i).append(".txt");
String x = new String(sb);
System.out.print(x);
File file = new File(x);
if(file.createNewFile()) {
System.out.println(" file created");
}
else
{
System.out.print("file already exists");
}
}
}
}
import java.io.IOException;
public class StringBuilderTest1
{
public static void main(String[] args) throws IOException {
int ver = 10;
StringBuilder sb = null;
for(int i=1;i<10;i++)
{
sb = new StringBuilder().append("e:\\file").append(i).append(".txt");
String x = new String(sb);
System.out.print(x);
File file = new File(x);
if(file.createNewFile()) {
System.out.println(" file created");
}
else
{
System.out.print("file already exists");
}
}
}
}
poniedziałek, 30 maja 2016
get system info via python
import platform
import sys
def linux():
try:
return platform.linux()
except:
return "N/A"
print("""
Python version: %s
dist: %s
system: %s
machine: %s
uname: %s """ % (sys.version.split('\n'), str(platform.dist()), platform.system(), platform.machine(), platform.uname(),))
import sys
def linux():
try:
return platform.linux()
except:
return "N/A"
print("""
Python version: %s
dist: %s
system: %s
machine: %s
uname: %s """ % (sys.version.split('\n'), str(platform.dist()), platform.system(), platform.machine(), platform.uname(),))
niedziela, 29 maja 2016
what is __doc__ - python
def print_max(x, y): ''' Writing the bigest int ''' x = int(x) y = int(y) if x > y: print('%d is max %d is min' % (x, y)) else: print('%d is max %d is min' % (y, x)) print_max(10, 511) print(print_max.__doc__)
Learning to Code with Python: Lesson 2.2 Simple Animation
from tkinter import * import random import time tk = Tk() canvas = Canvas(tk, width=500, heigh=400) tk.title("drawing") canvas.pack() ball = canvas.create_oval(10, 10, 60, 60, fill="orange") xspeed = 1yspeed = 1 while True: canvas.move(ball, xspeed, yspeed) pos = canvas.coords(ball) if pos[3] >= 400 or pos[1] <=0: yspeed = -yspeed if pos[2] >= 500 or pos[0] <= 0: xspeed = -xspeed tk.update() time.sleep(0.01) tk.mainloop()
sobota, 28 maja 2016
get int's from array - simple loop
for(j=0;j<size;j++)
{
printf("element[%d] = %d\n",j,n[j]);
}
for each element in array get array "index" and value
{
printf("element[%d] = %d\n",j,n[j]);
}
for each element in array get array "index" and value
array lenght in C
#include <stdio.h>
#include <stdlib.h>
int main()
{
int i;
int arr[4] = {1,2,3,4};
int l = sizeof(arr)/sizeof(arr[0]);
for(int i=0;i<sizeof(arr)/sizeof(arr[0]);i++)
{
printf(" %d \n",arr[i]);
}
return 0;
}
#include <stdlib.h>
int main()
{
int i;
int arr[4] = {1,2,3,4};
int l = sizeof(arr)/sizeof(arr[0]);
for(int i=0;i<sizeof(arr)/sizeof(arr[0]);i++)
{
printf(" %d \n",arr[i]);
}
return 0;
}
run if python version
import sys if sys.version_info[0] < 3: print ("must be using python 3") else: print(sys.version_info[0])
czwartek, 26 maja 2016
JDK monitoring tool for java app
in backgroud works infinity while loop.
On windows platform Oracle Mission Controll app are placed on:
C:\Program Files\Java\jdk1.8.0_91\bin
środa, 25 maja 2016
git your files to github
1. First Time
echo "# nauka_java" >> README.md git init git add README.md git commit -m "first commit" git remote add origin https://github.com/bormarek/nauka_java.git git push -u origin master
2. to push changed files
git add RandomTest.java
C:\Users\Marek\IdeaProjects\java\src>git commit -m "random method collection"
[master f72ffe9] random method collection
Committer: Marek Borkowski <Marek Borkowski>
Your name and email address were configured automatically based
on your username and hostname. Please check that they are accurate.
You can suppress this message by setting them explicitly. Run the
following command and follow the instructions in your editor to edit
your configuration file:
git config --global --edit
After doing this, you may fix the identity used for this commit with:
git commit --amend --reset-author
1 file changed, 10 insertions(+)
create mode 100644 RandomTest1.java
C:\Users\Marek\IdeaProjects\java\src>git push -u origin master
Counting objects: 3, done.
Delta compression using up to 8 threads.
Compressing objects: 100% (3/3), done.
Writing objects: 100% (3/3), 391 bytes | 0 bytes/s, done.
Total 3 (delta 1), reused 0 (delta 0)
To https://github.com/bormarek/java.git
044547c..f72ffe9 master -> master
Branch master set up to track remote branch master from origin.
wtorek, 24 maja 2016
Open if file is not empty Python
#!/usr/bin/python import os try: filename = "c:\windows-ve1rsion.txt" with open(filename) as fn: b = os.path.getsize(filename) if b > 0: print ('size %d kb' % b) content = fn.readlines() print(content) else: print "file is empty"except IOError as e: print(e)
poniedziałek, 23 maja 2016
javap - The Java Class File Disassembler
┌─[marek@virt]─[~/dev/java]
└──╼ cat HelloWorld.java
public class HelloWorld
{
public static void main(String[] args)
{
System.out.println("Hello world");
}
}
┌─[marek@virt]─[~/dev/java]
└──╼ javap -c HelloWorld
Compiled from "HelloWorld.java"
public class HelloWorld {
public HelloWorld();
Code:
0: aload_0
1: invokespecial #1 // Method java/lang/Object."<init>":()V
4: return
public static void main(java.lang.String[]);
Code:
0: getstatic #2 // Field java/lang/System.out:Ljava/io/PrintStream;
3: ldc #3 // String Hello world
5: invokevirtual #4 // Method java/io/PrintStream.println:(Ljava/lang/String;)V
8: return
}
enumerate output python
import sys
total = len(sys.argv)
if len(sys.argv) <= 1:
print "to few args"
else:
for count, elem in enumerate(sys.argv):
print count, elem
total = len(sys.argv)
if len(sys.argv) <= 1:
print "to few args"
else:
for count, elem in enumerate(sys.argv):
print count, elem
czwartek, 19 maja 2016
array size c++ java lenght substitute.
#include <iostream>
using namespace std;
int main()
{
cout << "Array of integers" << endl;
int numbers[10] = {1,2,3,4,5,6,7,8,9,0};
int size = sizeof numbers/sizeof(int);
cout << size << endl;
for(int i=0;i<=size;i++)
{
cout << "elements at index " << i << endl;
}
return 0;
}
using namespace std;
int main()
{
cout << "Array of integers" << endl;
int numbers[10] = {1,2,3,4,5,6,7,8,9,0};
int size = sizeof numbers/sizeof(int);
cout << size << endl;
for(int i=0;i<=size;i++)
{
cout << "elements at index " << i << endl;
}
return 0;
}
wtorek, 17 maja 2016
where is lxc conetainer FS - ubuntu
┌─[ubuntu]─[/var/cache/lxc/xenial/rootfs-amd64]
└──╼ pwd
/var/cache/lxc/xenial/rootfs-amd64
┌─[ubuntu]─[/var/cache/lxc/xenial/rootfs-amd64]
└──╼ ll
razem 76
drwxr-xr-x 2 root root 4096 lut 5 10:48 sys
drwxr-xr-x 2 root root 4096 kwi 12 22:14 proc
drwxr-xr-x 2 root root 4096 kwi 12 22:14 home
drwxr-xr-x 2 root root 4096 kwi 12 22:14 boot
drwx------ 2 root root 4096 maj 17 21:01 root
drwxr-xr-x 2 root root 4096 maj 17 21:01 mnt
drwxr-xr-x 2 root root 4096 maj 17 21:01 srv
drwxr-xr-x 2 root root 4096 maj 17 21:01 opt
drwxr-xr-x 2 root root 4096 maj 17 21:01 media
drwxr-xr-x 11 root root 4096 maj 17 21:01 var
drwxr-xr-x 10 root root 4096 maj 17 21:01 usr
drwxr-xr-x 2 root root 4096 maj 17 21:01 lib64
drwxr-xr-x 4 root root 4096 maj 17 21:02 dev
drwxr-xr-x 11 root root 4096 maj 17 21:02 lib
drwxrwxrwt 2 root root 4096 maj 17 21:03 tmp
drwxr-xr-x 7 root root 4096 maj 17 21:03 run
drwxr-xr-x 2 root root 4096 maj 17 21:03 bin
drwxr-xr-x 2 root root 4096 maj 17 21:03 sbin
drwxr-xr-x 66 root root 4096 maj 17 21:03 etc
└──╼ pwd
/var/cache/lxc/xenial/rootfs-amd64
┌─[ubuntu]─[/var/cache/lxc/xenial/rootfs-amd64]
└──╼ ll
razem 76
drwxr-xr-x 2 root root 4096 lut 5 10:48 sys
drwxr-xr-x 2 root root 4096 kwi 12 22:14 proc
drwxr-xr-x 2 root root 4096 kwi 12 22:14 home
drwxr-xr-x 2 root root 4096 kwi 12 22:14 boot
drwx------ 2 root root 4096 maj 17 21:01 root
drwxr-xr-x 2 root root 4096 maj 17 21:01 mnt
drwxr-xr-x 2 root root 4096 maj 17 21:01 srv
drwxr-xr-x 2 root root 4096 maj 17 21:01 opt
drwxr-xr-x 2 root root 4096 maj 17 21:01 media
drwxr-xr-x 11 root root 4096 maj 17 21:01 var
drwxr-xr-x 10 root root 4096 maj 17 21:01 usr
drwxr-xr-x 2 root root 4096 maj 17 21:01 lib64
drwxr-xr-x 4 root root 4096 maj 17 21:02 dev
drwxr-xr-x 11 root root 4096 maj 17 21:02 lib
drwxrwxrwt 2 root root 4096 maj 17 21:03 tmp
drwxr-xr-x 7 root root 4096 maj 17 21:03 run
drwxr-xr-x 2 root root 4096 maj 17 21:03 bin
drwxr-xr-x 2 root root 4096 maj 17 21:03 sbin
drwxr-xr-x 66 root root 4096 maj 17 21:03 etc
Interesting apt function
1. Installation Simulation
┌─[ubuntu]─[/tmp]
└──╼ apt-get install -s htop
Czytanie list pakietów... Gotowe
Budowanie drzewa zależności
Odczyt informacji o stanie... Gotowe
Zostaną zainstalowane następujące NOWE pakiety:
htop
0 aktualizowanych, 1 nowo instalowanych, 0 usuwanych i 0 nieaktualizowanych.
Inst htop (2.0.1-1 Ubuntu:16.04/xenial [amd64])
Conf htop (2.0.1-1 Ubuntu:16.04/xenial [amd64])
2. How Do I Check Package Information
┌─[ubuntu]─[/tmp]
└──╼ apt-cache show netcat
Package: netcat
Priority: optional
Section: universe/net
Installed-Size: 30
Maintainer: Ubuntu Developers <ubuntu-devel-discuss@lists.ubuntu.com>
Original-Maintainer: Ruben Molina <rmolina@udea.edu.co>
Architecture: all
Version: 1.10-41
Depends: netcat-traditional (>= 1.10-39)
Filename: pool/universe/n/netcat/netcat_1.10-41_all.deb
Size: 3438
MD5sum: ef404dcc16fdf7b7fc049e8499b5d6dd
SHA1: 6445cd6789821840978146ef1d33a2475e092c42
SHA256: 1865119bdf88c21df3c039f987492defac68668bf7293ba279e76943c0fd1785
Description-pl: Uniwersalne narzędzie dla TCP/IP -- pakiet przejściowy
To jest pakiet "atrapa", który zależy od domyślnej wersji netcata w
lennym, aby ułatwić wprowadzanie nowej wersji. Można go bezpiecznie
usunąć.
Description-md5: 1353f8c1d079348417c2180319bdde09
Bugs: https://bugs.launchpad.net/ubuntu/+filebug
Origin: Ubuntu
3. How Do I Check Dependencies for Specific Packages?
┌─[ubuntu]─[/tmp]
└──╼ apt-cache showpkg apache2
Package: apache2
Versions:
2.4.18-2ubuntu3 (/var/lib/apt/lists/pl.archive.ubuntu.com_ubuntu_dists_xenial_main_binary-amd64_Packages) (/var/lib/dpkg/status)
Description Language:
File: /var/lib/apt/lists/pl.archive.ubuntu.com_ubuntu_dists_xenial_main_binary-amd64_Packages
MD5: d02426bc360345e5acd45367716dc35c
Description Language:
File: /var/lib/apt/lists/pl.archive.ubuntu.com_ubuntu_dists_xenial_main_binary-i386_Packages
MD5: d02426bc360345e5acd45367716dc35c
Description Language: en
File: /var/lib/apt/lists/pl.archive.ubuntu.com_ubuntu_dists_xenial_main_i18n_Translation-en
MD5: d02426bc360345e5acd45367716dc35c
Reverse Depends:
phabricator,apache2 2.2.7
tinyows,apache2
python-pycsw-wsgi,apache2 2.4.12~
mythweb,apache2
mythbuntu-desktop,apache2
libapache2-mpm-itk:i386,apache2 2.4.6-4~
libapache2-mpm-itk:i386,apache2 2.4.9-2~
dwww:i386,apache2 2.4.4-6~
bandwidthd-pgsql:i386,apache2 2.4
bandwidthd:i386,apache2 2.4
zoneminder,apache2 2.4.18~
zabbix-frontend-php,apache2 2.4.18~
yubikey-val,apache2
yubikey-ksm,apache2
yocto-reader,apache2 2.4.10~
xymon,apache2
xapian-omega,apache2
x2goplugin-provider,apache2
wwwconfig-common,apache2
wulf2html,apache2
wordpress,apache2
wims,apache2 2.4.12~
wiliki,apache2
whiteboard,apache2
websimba,apache2
webgui,apache2
web2ldap,apache2
w3c-markup-validator,apache2
w3c-linkchecker,apache2
viewvc,apache2
usemod-wiki,apache2 2.4.10~
usemod-wiki,apache2
umegaya,apache2 2.4.9~
ukolovnik,apache2
uec-provisioning-webui,apache2
ubumirror,apache2
tt-rss,apache2
trac,apache2
sympa,apache2
sugarplum,apache2 2.4.10~
stacks-web,apache2
sslh,apache2
srg,apache2
sqwebmail,apache2
squirrelmail,apache2
squid-cgi,apache2
sql-ledger,apache2
spip,apache2
smokeping,apache2
smokeping,apache2 2.4.17~
smokeping,apache2
smb2www,apache2 2.4.6~
smb2www,apache2
slbackup-php,apache2
sitesummary,apache2
sipwitch-cgi,apache2
sipml5-web-phone,apache2
simplesamlphp,apache2
simpleid-ldap,apache2
simpleid,apache2 2.4.18~
shaarli,apache2 2.4.18~
serverstats,apache2
semanticscuttle,apache2
scuttle,apache2
sbox-dtc,apache2
sarg,apache2
rtpg-www,apache2
rtpg-www,apache2
rtgui,apache2 2.4.18~
rtgui,apache2
rt4-apache2,apache2
routino-www,apache2
roundcube-core,apache2
rancid-cgi,apache2
queuegraph,apache2
python-letsencrypt-apache,apache2
pyca,apache2
pyblosxom,apache2
puppetmaster-passenger,apache2
puppetmaster-common,apache2
postfixadmin,apache2
postfix-cluebringer-webui,apache2
pnopaste,apache2
piuparts-master,apache2
pictor,apache2
phpsysinfo,apache2
phppgadmin,apache2 2.4.18~
phpmyadmin,apache2
phpldapadmin,apache2
phpbb3,apache2
php-horde,apache2
photofloat,apache2
phamm,apache2 2.4.18~
openjpip-server,apache2 2.4.10~
otrs2,apache2
libapache2-mpm-itk,apache2 2.4.6-4~
openguides,apache2
onak,apache2
ogamesim-www,apache2
octopussy,apache2
ocsinventory-server,apache2 2.4.18~
ocsinventory-reports,apache2 2.4.18~
oar-web-status,apache2
oar-restful-api,apache2
oar-restful-api,apache2
netmrg,apache2
mythexport,apache2
musica,apache2
moodle,apache2
mobyle,apache2 2.4.17~
mobyle,apache2 2.4
mirrorkit,apache2
man2html,apache2
mailgraph,apache2
lurker,apache2
ltsp-cluster-control,apache2
loganalyzer,apache2
live-build-cgi,apache2
linkchecker-web,apache2
lightsquid,apache2
libopenjpip-server,apache2 2.4.12~
libapache2-mpm-itk,apache2 2.4.9-2~
libapache2-mod-webauth,apache2 2.4.4
libapache2-mod-webauthldap,apache2 2.4.4
jsmath,apache2 2.4.9~
libapache2-mod-auth-radius,apache2
letodms,apache2
ledgersmb,apache2
ldap-account-manager,apache2
jwchat,apache2
dwww,apache2 2.4.4-6~
jscommunicator-web-phone,apache2
jffnms,apache2
iptotal,apache2
info2www,apache2
ikiwiki-hosting-web,apache2
icingaweb2,apache2
icinga2-classicui,apache2
icinga-cgi-bin,apache2
icinga-cgi,apache2
htcheck-php,apache2
hoteldruid,apache2
hoogle,apache2
hiki,apache2
haci,apache2
gridsite,apache2 2.4.18~
gosa,apache2
glpi,apache2
gitweb,apache2
gbrowse,apache2 2.4.17~
gbrowse,apache2 2.4
ganglia-webfrontend,apache2
galette,apache2
fusiondirectory,apache2
freeipa-server,apache2
freedombox-setup,apache2
flatnuke,apache2
flashproxy-proxy,apache2
flashproxy-facilitator,apache2
emboss-explorer,apache2 2.4.6~
dwww,apache2 2.4.18~
dpkg-www,apache2 2.4.12~
dwww,apache2
dsc-statistics-presenter,apache2
drupal7,apache2
drraw,apache2
bcfg2-web,apache2 2.4.17~
dotclear,apache2 2.4.18~
dotclear,apache2
dolibarr,apache2
doc-central,apache2
djagios,apache2
darcsweb,apache2
d-push,apache2
cvsweb,apache2
cricket,apache2
couriergraph,apache2
courier-webadmin,apache2
cortado,apache2
coquelicot,apache2
colplot,apache2
colplot,apache2
collectd-core,apache2
collabtive,apache2 2.4.18~
collabtive,apache2 2.4
cobbler,apache2
citadel-webcit,apache2
cipux-cat-web,apache2
chemical-structures,apache2
ch5m3d,apache2
cgit,apache2 2.4.18~
cacti,apache2
ampache,apache2 2.4.18~
barbican-api,apache2 2.4.18~
bandwidthd-pgsql,apache2
bandwidthd-pgsql,apache2 2.4
bandwidthd,apache2
bandwidthd,apache2 2.4
auth2db-frontend,apache2
apcupsd-cgi,apache2
analog,apache2
javascript-common,apache2 2.4.6~
ajaxterm,apache2
aegis-web,apache2
adzapper,apache2
adzapper,apache2
adzapper,apache2
389-admin,apache2
apache2:i386,apache2
openstack-dashboard,apache2
nut-cgi,apache2
nagios3-cgi,apache2
mailman,apache2
maas-region-api,apache2
apache2-dbg,apache2 2.4.18-2ubuntu3
backuppc,apache2
awstats,apache2
apache2-doc,apache2
Dependencies:
2.4.18-2ubuntu3 - dpkg (2 1.17.14) lsb-base (0 (null)) procps (0 (null)) perl (0 (null)) mime-support (0 (null)) apache2-bin (5 2.4.18-2ubuntu3) apache2-utils (2 2.4) apache2-data (5 2.4.18-2ubuntu3) apache2.2-bin (0 (null)) apache2.2-common (0 (null)) ssl-cert (0 (null)) www-browser (0 (null)) apache2-doc (0 (null)) apache2-suexec-pristine (16 (null)) apache2-suexec-custom (0 (null)) ufw (0 (null)) apache2.2-bin (0 (null)) apache2.2-common (0 (null)) apache2:i386 (32 (null))
Provides:
2.4.18-2ubuntu3 - httpd-cgi (= ) httpd (= )
Reverse Provides:
4. How Do I Check statistics of Cache
┌─[ubuntu]─[/tmp]
└──╼ apt-cache stats
Liczba nazw pakietów: 70310 (1406 k)
Liczba wszystkich typów pakietów: 108566 (4777 k)
Zwykłych pakietów: 80567
Czysto wirtualnych pakietów: 979
Pojedynczych pakietów wirtualnych: 9945
Mieszanych pakietów wirtualnych: 2234
Brakujących: 14841
W sumie różnych wersji: 83959 (6717 k)
W sumie różnych opisów: 146271 (3511 k)
W sumie zależności: 606939/209772 (15,5 M)
W sumie zależności wersja/plik: 44648 (1072 k)
W sumie zależności opis/plik: 15199 (365 k)
W sumie mapowań zapewnień: 17442 (419 k)
W sumie dopasowanych napisów: 154509 (3409 k)
Sumaryczny rozmiar niewykorzystanego miejsca: 11,0 k
Całkowity rozmiar: 37,6 M
Total buckets in PkgHashTable: 50503
Unused: 12500
Used: 38003
Utilization: 75.249%
Average entries: 2.85677
Longest: 15
Shortest: 1
Total buckets in GrpHashTable: 50503
Unused: 12500
Used: 38003
Utilization: 75.249%
Average entries: 1.85012
Longest: 8
Shortest: 1
5. Find dependencies of a package
┌─[ubuntu]─[/tmp]
└──╼ apt-cache depends apache2
apache2
Wymaga wstępnie: dpkg
dpkg:i386
Wymaga: lsb-base
Wymaga: procps
procps:i386
Wymaga: perl
Wymaga: mime-support
Wymaga: apache2-bin
Wymaga: apache2-utils
apache2-utils:i386
Wymaga: apache2-data
W konflikcie z: <apache2.2-bin>
W konflikcie z: <apache2.2-common>
Poleca: ssl-cert
Sugeruje: <www-browser>
dillo
edbrowse
hv3
lynx:i386
lynx
netsurf
netsurf-fb
netsurf-gtk
qupzilla
uzbl
chimera2
chromium-browser
elinks
epiphany-browser
firefox
konqueror
links
links2
midori
netrik
rekonq
surf
w3m
w3m:i386
xemacs21-mule
xemacs21-mule-canna-wnn
xemacs21-nomule
Sugeruje: apache2-doc
|Sugeruje: apache2-suexec-pristine
Sugeruje: apache2-suexec-custom
Sugeruje: ufw
Zastępuje: <apache2.2-bin>
Zastępuje: <apache2.2-common>
┌─[ubuntu]─[/tmp]
└──╼ apt-get install -s htop
Czytanie list pakietów... Gotowe
Budowanie drzewa zależności
Odczyt informacji o stanie... Gotowe
Zostaną zainstalowane następujące NOWE pakiety:
htop
0 aktualizowanych, 1 nowo instalowanych, 0 usuwanych i 0 nieaktualizowanych.
Inst htop (2.0.1-1 Ubuntu:16.04/xenial [amd64])
Conf htop (2.0.1-1 Ubuntu:16.04/xenial [amd64])
2. How Do I Check Package Information
┌─[ubuntu]─[/tmp]
└──╼ apt-cache show netcat
Package: netcat
Priority: optional
Section: universe/net
Installed-Size: 30
Maintainer: Ubuntu Developers <ubuntu-devel-discuss@lists.ubuntu.com>
Original-Maintainer: Ruben Molina <rmolina@udea.edu.co>
Architecture: all
Version: 1.10-41
Depends: netcat-traditional (>= 1.10-39)
Filename: pool/universe/n/netcat/netcat_1.10-41_all.deb
Size: 3438
MD5sum: ef404dcc16fdf7b7fc049e8499b5d6dd
SHA1: 6445cd6789821840978146ef1d33a2475e092c42
SHA256: 1865119bdf88c21df3c039f987492defac68668bf7293ba279e76943c0fd1785
Description-pl: Uniwersalne narzędzie dla TCP/IP -- pakiet przejściowy
To jest pakiet "atrapa", który zależy od domyślnej wersji netcata w
lennym, aby ułatwić wprowadzanie nowej wersji. Można go bezpiecznie
usunąć.
Description-md5: 1353f8c1d079348417c2180319bdde09
Bugs: https://bugs.launchpad.net/ubuntu/+filebug
Origin: Ubuntu
3. How Do I Check Dependencies for Specific Packages?
┌─[ubuntu]─[/tmp]
└──╼ apt-cache showpkg apache2
Package: apache2
Versions:
2.4.18-2ubuntu3 (/var/lib/apt/lists/pl.archive.ubuntu.com_ubuntu_dists_xenial_main_binary-amd64_Packages) (/var/lib/dpkg/status)
Description Language:
File: /var/lib/apt/lists/pl.archive.ubuntu.com_ubuntu_dists_xenial_main_binary-amd64_Packages
MD5: d02426bc360345e5acd45367716dc35c
Description Language:
File: /var/lib/apt/lists/pl.archive.ubuntu.com_ubuntu_dists_xenial_main_binary-i386_Packages
MD5: d02426bc360345e5acd45367716dc35c
Description Language: en
File: /var/lib/apt/lists/pl.archive.ubuntu.com_ubuntu_dists_xenial_main_i18n_Translation-en
MD5: d02426bc360345e5acd45367716dc35c
Reverse Depends:
phabricator,apache2 2.2.7
tinyows,apache2
python-pycsw-wsgi,apache2 2.4.12~
mythweb,apache2
mythbuntu-desktop,apache2
libapache2-mpm-itk:i386,apache2 2.4.6-4~
libapache2-mpm-itk:i386,apache2 2.4.9-2~
dwww:i386,apache2 2.4.4-6~
bandwidthd-pgsql:i386,apache2 2.4
bandwidthd:i386,apache2 2.4
zoneminder,apache2 2.4.18~
zabbix-frontend-php,apache2 2.4.18~
yubikey-val,apache2
yubikey-ksm,apache2
yocto-reader,apache2 2.4.10~
xymon,apache2
xapian-omega,apache2
x2goplugin-provider,apache2
wwwconfig-common,apache2
wulf2html,apache2
wordpress,apache2
wims,apache2 2.4.12~
wiliki,apache2
whiteboard,apache2
websimba,apache2
webgui,apache2
web2ldap,apache2
w3c-markup-validator,apache2
w3c-linkchecker,apache2
viewvc,apache2
usemod-wiki,apache2 2.4.10~
usemod-wiki,apache2
umegaya,apache2 2.4.9~
ukolovnik,apache2
uec-provisioning-webui,apache2
ubumirror,apache2
tt-rss,apache2
trac,apache2
sympa,apache2
sugarplum,apache2 2.4.10~
stacks-web,apache2
sslh,apache2
srg,apache2
sqwebmail,apache2
squirrelmail,apache2
squid-cgi,apache2
sql-ledger,apache2
spip,apache2
smokeping,apache2
smokeping,apache2 2.4.17~
smokeping,apache2
smb2www,apache2 2.4.6~
smb2www,apache2
slbackup-php,apache2
sitesummary,apache2
sipwitch-cgi,apache2
sipml5-web-phone,apache2
simplesamlphp,apache2
simpleid-ldap,apache2
simpleid,apache2 2.4.18~
shaarli,apache2 2.4.18~
serverstats,apache2
semanticscuttle,apache2
scuttle,apache2
sbox-dtc,apache2
sarg,apache2
rtpg-www,apache2
rtpg-www,apache2
rtgui,apache2 2.4.18~
rtgui,apache2
rt4-apache2,apache2
routino-www,apache2
roundcube-core,apache2
rancid-cgi,apache2
queuegraph,apache2
python-letsencrypt-apache,apache2
pyca,apache2
pyblosxom,apache2
puppetmaster-passenger,apache2
puppetmaster-common,apache2
postfixadmin,apache2
postfix-cluebringer-webui,apache2
pnopaste,apache2
piuparts-master,apache2
pictor,apache2
phpsysinfo,apache2
phppgadmin,apache2 2.4.18~
phpmyadmin,apache2
phpldapadmin,apache2
phpbb3,apache2
php-horde,apache2
photofloat,apache2
phamm,apache2 2.4.18~
openjpip-server,apache2 2.4.10~
otrs2,apache2
libapache2-mpm-itk,apache2 2.4.6-4~
openguides,apache2
onak,apache2
ogamesim-www,apache2
octopussy,apache2
ocsinventory-server,apache2 2.4.18~
ocsinventory-reports,apache2 2.4.18~
oar-web-status,apache2
oar-restful-api,apache2
oar-restful-api,apache2
netmrg,apache2
mythexport,apache2
musica,apache2
moodle,apache2
mobyle,apache2 2.4.17~
mobyle,apache2 2.4
mirrorkit,apache2
man2html,apache2
mailgraph,apache2
lurker,apache2
ltsp-cluster-control,apache2
loganalyzer,apache2
live-build-cgi,apache2
linkchecker-web,apache2
lightsquid,apache2
libopenjpip-server,apache2 2.4.12~
libapache2-mpm-itk,apache2 2.4.9-2~
libapache2-mod-webauth,apache2 2.4.4
libapache2-mod-webauthldap,apache2 2.4.4
jsmath,apache2 2.4.9~
libapache2-mod-auth-radius,apache2
letodms,apache2
ledgersmb,apache2
ldap-account-manager,apache2
jwchat,apache2
dwww,apache2 2.4.4-6~
jscommunicator-web-phone,apache2
jffnms,apache2
iptotal,apache2
info2www,apache2
ikiwiki-hosting-web,apache2
icingaweb2,apache2
icinga2-classicui,apache2
icinga-cgi-bin,apache2
icinga-cgi,apache2
htcheck-php,apache2
hoteldruid,apache2
hoogle,apache2
hiki,apache2
haci,apache2
gridsite,apache2 2.4.18~
gosa,apache2
glpi,apache2
gitweb,apache2
gbrowse,apache2 2.4.17~
gbrowse,apache2 2.4
ganglia-webfrontend,apache2
galette,apache2
fusiondirectory,apache2
freeipa-server,apache2
freedombox-setup,apache2
flatnuke,apache2
flashproxy-proxy,apache2
flashproxy-facilitator,apache2
emboss-explorer,apache2 2.4.6~
dwww,apache2 2.4.18~
dpkg-www,apache2 2.4.12~
dwww,apache2
dsc-statistics-presenter,apache2
drupal7,apache2
drraw,apache2
bcfg2-web,apache2 2.4.17~
dotclear,apache2 2.4.18~
dotclear,apache2
dolibarr,apache2
doc-central,apache2
djagios,apache2
darcsweb,apache2
d-push,apache2
cvsweb,apache2
cricket,apache2
couriergraph,apache2
courier-webadmin,apache2
cortado,apache2
coquelicot,apache2
colplot,apache2
colplot,apache2
collectd-core,apache2
collabtive,apache2 2.4.18~
collabtive,apache2 2.4
cobbler,apache2
citadel-webcit,apache2
cipux-cat-web,apache2
chemical-structures,apache2
ch5m3d,apache2
cgit,apache2 2.4.18~
cacti,apache2
ampache,apache2 2.4.18~
barbican-api,apache2 2.4.18~
bandwidthd-pgsql,apache2
bandwidthd-pgsql,apache2 2.4
bandwidthd,apache2
bandwidthd,apache2 2.4
auth2db-frontend,apache2
apcupsd-cgi,apache2
analog,apache2
javascript-common,apache2 2.4.6~
ajaxterm,apache2
aegis-web,apache2
adzapper,apache2
adzapper,apache2
adzapper,apache2
389-admin,apache2
apache2:i386,apache2
openstack-dashboard,apache2
nut-cgi,apache2
nagios3-cgi,apache2
mailman,apache2
maas-region-api,apache2
apache2-dbg,apache2 2.4.18-2ubuntu3
backuppc,apache2
awstats,apache2
apache2-doc,apache2
Dependencies:
2.4.18-2ubuntu3 - dpkg (2 1.17.14) lsb-base (0 (null)) procps (0 (null)) perl (0 (null)) mime-support (0 (null)) apache2-bin (5 2.4.18-2ubuntu3) apache2-utils (2 2.4) apache2-data (5 2.4.18-2ubuntu3) apache2.2-bin (0 (null)) apache2.2-common (0 (null)) ssl-cert (0 (null)) www-browser (0 (null)) apache2-doc (0 (null)) apache2-suexec-pristine (16 (null)) apache2-suexec-custom (0 (null)) ufw (0 (null)) apache2.2-bin (0 (null)) apache2.2-common (0 (null)) apache2:i386 (32 (null))
Provides:
2.4.18-2ubuntu3 - httpd-cgi (= ) httpd (= )
Reverse Provides:
4. How Do I Check statistics of Cache
┌─[ubuntu]─[/tmp]
└──╼ apt-cache stats
Liczba nazw pakietów: 70310 (1406 k)
Liczba wszystkich typów pakietów: 108566 (4777 k)
Zwykłych pakietów: 80567
Czysto wirtualnych pakietów: 979
Pojedynczych pakietów wirtualnych: 9945
Mieszanych pakietów wirtualnych: 2234
Brakujących: 14841
W sumie różnych wersji: 83959 (6717 k)
W sumie różnych opisów: 146271 (3511 k)
W sumie zależności: 606939/209772 (15,5 M)
W sumie zależności wersja/plik: 44648 (1072 k)
W sumie zależności opis/plik: 15199 (365 k)
W sumie mapowań zapewnień: 17442 (419 k)
W sumie dopasowanych napisów: 154509 (3409 k)
Sumaryczny rozmiar niewykorzystanego miejsca: 11,0 k
Całkowity rozmiar: 37,6 M
Total buckets in PkgHashTable: 50503
Unused: 12500
Used: 38003
Utilization: 75.249%
Average entries: 2.85677
Longest: 15
Shortest: 1
Total buckets in GrpHashTable: 50503
Unused: 12500
Used: 38003
Utilization: 75.249%
Average entries: 1.85012
Longest: 8
Shortest: 1
5. Find dependencies of a package
┌─[ubuntu]─[/tmp]
└──╼ apt-cache depends apache2
apache2
Wymaga wstępnie: dpkg
dpkg:i386
Wymaga: lsb-base
Wymaga: procps
procps:i386
Wymaga: perl
Wymaga: mime-support
Wymaga: apache2-bin
Wymaga: apache2-utils
apache2-utils:i386
Wymaga: apache2-data
W konflikcie z: <apache2.2-bin>
W konflikcie z: <apache2.2-common>
Poleca: ssl-cert
Sugeruje: <www-browser>
dillo
edbrowse
hv3
lynx:i386
lynx
netsurf
netsurf-fb
netsurf-gtk
qupzilla
uzbl
chimera2
chromium-browser
elinks
epiphany-browser
firefox
konqueror
links
links2
midori
netrik
rekonq
surf
w3m
w3m:i386
xemacs21-mule
xemacs21-mule-canna-wnn
xemacs21-nomule
Sugeruje: apache2-doc
|Sugeruje: apache2-suexec-pristine
Sugeruje: apache2-suexec-custom
Sugeruje: ufw
Zastępuje: <apache2.2-bin>
Zastępuje: <apache2.2-common>
poniedziałek, 16 maja 2016
how to install rust language on centos7 vps
1. sudo yum install curl
2. curl -sSf https://static.rust-lang.org/rustup.sh | sh
└──╼ curl -sSf https://static.rust-lang.org/rustup.sh | sh
rustup: gpg available. signatures will be verified
rustup: downloading manifest for 'stable'
rustup: downloading toolchain for 'stable'
######################################################################## 100.0%
gpg: Signature made Tue 12 Apr 2016 04:51:11 AM EDT using RSA key ID 7B3B09DC
gpg: Good signature from "Rust Language (Tag and Release Signing Key) <rust-key@rust-lang.org>"
gpg: WARNING: This key is not certified with a trusted signature!
gpg: There is no indication that the signature belongs to the owner.
Primary key fingerprint: 108F 6620 5EAE B0AA A8DD 5E1C 85AB 96E6 FA1B E5FE
Subkey fingerprint: C134 66B7 E169 A085 1886 3216 5CB4 A934 7B3B 09DC
rustup: installing toolchain for 'stable'
rustup: extracting installer
install: creating uninstall script at /usr/local/lib/rustlib/uninstall.sh
install: installing component 'rustc'
install: installing component 'rust-std-x86_64-unknown-linux-gnu'
install: installing component 'rust-docs'
install: installing component 'cargo'
Rust is ready to roll.
2. curl -sSf https://static.rust-lang.org/rustup.sh | sh
└──╼ curl -sSf https://static.rust-lang.org/rustup.sh | sh
rustup: gpg available. signatures will be verified
rustup: downloading manifest for 'stable'
rustup: downloading toolchain for 'stable'
######################################################################## 100.0%
gpg: Signature made Tue 12 Apr 2016 04:51:11 AM EDT using RSA key ID 7B3B09DC
gpg: Good signature from "Rust Language (Tag and Release Signing Key) <rust-key@rust-lang.org>"
gpg: WARNING: This key is not certified with a trusted signature!
gpg: There is no indication that the signature belongs to the owner.
Primary key fingerprint: 108F 6620 5EAE B0AA A8DD 5E1C 85AB 96E6 FA1B E5FE
Subkey fingerprint: C134 66B7 E169 A085 1886 3216 5CB4 A934 7B3B 09DC
rustup: installing toolchain for 'stable'
rustup: extracting installer
install: creating uninstall script at /usr/local/lib/rustlib/uninstall.sh
install: installing component 'rustc'
install: installing component 'rust-std-x86_64-unknown-linux-gnu'
install: installing component 'rust-docs'
install: installing component 'cargo'
Rust is ready to roll.
czwartek, 12 maja 2016
add forwarded-port via firewall-cmd
┌─[ubuntu]─[~]
└──╼ firewall-cmd --zone=public --add-forward-port=port=80:proto=tcp:toport=80:toaddr=10.0.3.223 --permanent
┌─[ubuntu]─[~]
└──╼ firewall-cmd --zone=public --list-all
public (default, active)
interfaces: enp0s8 enp0s9
sources:
services: dhcpv6-client http https ssh
ports: 5000/tcp
protocols:
masquerade: no
forward-ports: port=80:proto=tcp:toport=80:toaddr=10.0.3.223
icmp-blocks:
rich rules:
└──╼ firewall-cmd --zone=public --add-forward-port=port=80:proto=tcp:toport=80:toaddr=10.0.3.223 --permanent
┌─[ubuntu]─[~]
└──╼ firewall-cmd --zone=public --list-all
public (default, active)
interfaces: enp0s8 enp0s9
sources:
services: dhcpv6-client http https ssh
ports: 5000/tcp
protocols:
masquerade: no
forward-ports: port=80:proto=tcp:toport=80:toaddr=10.0.3.223
icmp-blocks:
rich rules:
remove forwarded-port firewall-cmd
┌─[ubuntu]─[~]
└──╼ firewall-cmd --zone=public --list-all
public (default, active)
interfaces: enp0s8 enp0s9
sources:
services: dhcpv6-client http https ssh
ports: 5000/tcp
protocols:
masquerade: no
forward-ports: port=80:proto=tcp:toport=:toaddr=10.0.3.223
port=80:proto=tcp:toport=80:toaddr=10.0.3.223
icmp-blocks:
rich rules:
┌─[ubuntu]─[~]
└──╼ firewall-cmd --zone=public --remove-forward-port==80:proto=tcp:toport=:toaddr=10.0.3.223
missing port
┌─[✗]─[ubuntu]─[~]
└──╼ firewall-cmd --zone=public --remove-forward-port=port=80:proto=tcp:toport=:toaddr=10.0.3.223
success
┌─[ubuntu]─[~]
└──╼ firewall-cmd --zone=public --remove-forward-port=port=80:proto=tcp:toport=80:toaddr=10.0.3.223
success
┌─[ubuntu]─[~]
└──╼ firewall-cmd --zone=public --list-all
public (default, active)
interfaces: enp0s8 enp0s9
sources:
services: dhcpv6-client http https ssh
ports: 5000/tcp
protocols:
masquerade: no
forward-ports:
icmp-blocks:
rich rules:
└──╼ firewall-cmd --zone=public --list-all
public (default, active)
interfaces: enp0s8 enp0s9
sources:
services: dhcpv6-client http https ssh
ports: 5000/tcp
protocols:
masquerade: no
forward-ports: port=80:proto=tcp:toport=:toaddr=10.0.3.223
port=80:proto=tcp:toport=80:toaddr=10.0.3.223
icmp-blocks:
rich rules:
┌─[ubuntu]─[~]
└──╼ firewall-cmd --zone=public --remove-forward-port==80:proto=tcp:toport=:toaddr=10.0.3.223
missing port
┌─[✗]─[ubuntu]─[~]
└──╼ firewall-cmd --zone=public --remove-forward-port=port=80:proto=tcp:toport=:toaddr=10.0.3.223
success
┌─[ubuntu]─[~]
└──╼ firewall-cmd --zone=public --remove-forward-port=port=80:proto=tcp:toport=80:toaddr=10.0.3.223
success
┌─[ubuntu]─[~]
└──╼ firewall-cmd --zone=public --list-all
public (default, active)
interfaces: enp0s8 enp0s9
sources:
services: dhcpv6-client http https ssh
ports: 5000/tcp
protocols:
masquerade: no
forward-ports:
icmp-blocks:
rich rules:
ip addr - get ip and mac address only
ip addr show enp0s3 | grep inet | awk '{ print $2; }' | sed 's/\/.*$//'
192.168.1.148
fe80::a00:27ff:fe4c:49a9
192.168.1.148
fe80::a00:27ff:fe4c:49a9
something goes wrong - how to remove untaged container
┌─[ubuntu]─[~/testDocker]
└──╼ docker images
REPOSITORY TAG IMAGE ID CREATED SIZE
<none> <none> faf44dedba3b 17 seconds ago 120.8 MB
nickistre/ubuntu-lamp latest b6f2fc2138c1 5 days ago 633.7 MB
ubuntu latest c5f1cf30c96b 8 days ago 120.8 MB
fedora latest ddd5c9c1d0f2 9 weeks ago 204.7 MB
┌─[ubuntu]─[ubuntu]─[~/testDocker]
└──╼ sudo docker rmi $(docker images -q -f dangling=true)
Deleted: sha256:faf44dedba3be5530978da6a1ca1e03458c17c81c356e16bec6486d08576f926
┌─[ubuntu]─[~/testDocker]
└──╼ docker images
REPOSITORY TAG IMAGE ID CREATED SIZE
nickistre/ubuntu-lamp latest b6f2fc2138c1 5 days ago 633.7 MB
ubuntu latest c5f1cf30c96b 8 days ago 120.8 MB
fedora latest ddd5c9c1d0f2 9 weeks ago 204.7 MB
sudo docker images|grep \<none\>|awk -F " " '{print "sudo docker rmi " $3}'|sh
command usefull to list untagged images
docker images --filter "dangling=true"
└──╼ docker images
REPOSITORY TAG IMAGE ID CREATED SIZE
<none> <none> faf44dedba3b 17 seconds ago 120.8 MB
nickistre/ubuntu-lamp latest b6f2fc2138c1 5 days ago 633.7 MB
ubuntu latest c5f1cf30c96b 8 days ago 120.8 MB
fedora latest ddd5c9c1d0f2 9 weeks ago 204.7 MB
┌─[ubuntu]─[ubuntu]─[~/testDocker]
└──╼ sudo docker rmi $(docker images -q -f dangling=true)
Deleted: sha256:faf44dedba3be5530978da6a1ca1e03458c17c81c356e16bec6486d08576f926
┌─[ubuntu]─[~/testDocker]
└──╼ docker images
REPOSITORY TAG IMAGE ID CREATED SIZE
nickistre/ubuntu-lamp latest b6f2fc2138c1 5 days ago 633.7 MB
ubuntu latest c5f1cf30c96b 8 days ago 120.8 MB
fedora latest ddd5c9c1d0f2 9 weeks ago 204.7 MB
sudo docker images|grep \<none\>|awk -F " " '{print "sudo docker rmi " $3}'|sh
command usefull to list untagged images
docker images --filter "dangling=true"
delete all docker images
┌─[virt]─[~]
└──╼ docker rmi $(docker images -q)
Untagged: docker.io/ubuntu:latest
Deleted: 17b6a9e179d7cb99d2f27978ca3ac6cf23eefb23201472ed54f5d9fb94894922
Deleted: b0c2dfa2701fba584d203de7ffef490cb9a1826a4b22b33dd21a5638cbe76832
Deleted: 202e40f8bb3abf835124666aa607f8787c5016bcf339cb65607ad718b609496e
Deleted: acb8e44f43faf158c097976f7d4d21be7846ae6cec2244bbb5bc98e62595e4b9
Deleted: 487bffc61de6f950082a5cc90fc4d3169a2a1373af9704210c1c5820a882daad
Untagged: docker.io/nfnty/arch-mini:latest
Deleted: 4fc09f59d00fc78b12f62da4840224346ba87814e009c312147da0f5a87996d8
Deleted: 497eebcf61fb3fc3c1344437fb5b6f77f06cded8877882183ba25bd360c92b81
Deleted: e1c96069070c051afe4b67ddeb3efc47fd256c9da26fabead9e3a06d7f254096
Deleted: d57e0bba13b0909e53b0acf4065edb75f0619ae3a8638e921e9d95eb191278d1
Deleted: 871d4e3bf97c7a74f5d2e99025307c285a7ad5494631907a7b41b5aeca0ec631
Deleted: d1ada8114789f5dba3411c91d7f8ee4433b8aefb05185ff112d9d02d7a9e6853
Deleted: 9ea6961a052d7152c2ab0a35d0df50b9ae0f76eb04081aa29024a8174a758dc7
Deleted: 13b6f8c5702863d14eaced3653ebbe011a2324ebf65ee0435df690bd148bdcfe
Untagged: docker.io/nickistre/centos-lamp:latest
Deleted: d1e78ef4e5c79a27a341c2a79da8265d7764f20d375255ec359f95673a80662e
Deleted: 40dad44fb07864bd71a017c554670dc91ae3f7796a68feb6e7a7b60e0f27d538
Deleted: da63317043a4b74e1b0c6aa764730387999974c99315f463cf0a655bf42b3fa1
Deleted: 3700dfbc10b1c33735e1d48545b9db9c1e234a05aa663a2bc2a837d79f92f91d
Deleted: 275d1ee6afe01585df3e248f72661efa94d7fa16c569c84a57992c8f8fa7823b
Deleted: 65d81aba8749f6eb66bac29395ab0ea50002b390700795f3781bd3d9a26eb5ee
Deleted: 96ce836f2e9bad8c2e036ab468ba7077f8dd96f990c2941e0752ed1f90f51a01
Deleted: d537094abe4a011c2d5f272ed03bfdb70162617e4552ef40bdd5512bd195d2ae
Deleted: b95c167982586014abef2c3476884ec49b7fcf818c54429c8eb4426611069cff
Deleted: 18cb52c9a58bba797dcbc8685bd40560b5f92ebc4a7f67bc7382f80526cddd05
Deleted: 731f0c50edaf18709cfb96729d3178529b9eb9bfc71bd6a414bf8960941dedbb
Deleted: b65443d5d38eddeed126471ae2c82d45262bd4069f45fe07e4ad2235be7154cd
Deleted: 760d6b3be40b200fe3388ccf55862f098a91135dc783087f8d0878d791cb18fe
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Deleted: 39843ad887c76fb25068deab1322d86f752aeae0cd074f30ff993c0dfc153304
Untagged: docker.io/centos:latest
Deleted: 28e524afdd052cfa82227c67344c098aabcd51021dd1f3b0c71485abcdd78a86
Deleted: 044c0f15c4d9a7499734b75b73ea5754ceb2c1c22e86d7eaa5ab8098b60c5267
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Deleted: fa5be2806d4c9aa0f75001687087876e47bb45dc8afb61f0c0e46315500ee144
┌─[virt]─[~]
└──╼ docker images
REPOSITORY TAG IMAGE ID CREATED VIRTUAL SIZE
└──╼ docker rmi $(docker images -q)
Untagged: docker.io/ubuntu:latest
Deleted: 17b6a9e179d7cb99d2f27978ca3ac6cf23eefb23201472ed54f5d9fb94894922
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Deleted: 487bffc61de6f950082a5cc90fc4d3169a2a1373af9704210c1c5820a882daad
Untagged: docker.io/nfnty/arch-mini:latest
Deleted: 4fc09f59d00fc78b12f62da4840224346ba87814e009c312147da0f5a87996d8
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Untagged: docker.io/nickistre/centos-lamp:latest
Deleted: d1e78ef4e5c79a27a341c2a79da8265d7764f20d375255ec359f95673a80662e
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Deleted: 630367902b0b8fa39f1504a89093380e09b84088f6cb491c9a7b11018a642838
Deleted: cef52ac257311bd24e6c8ce6c35747ef46434d2c39afb540e5ee2d078f0a68e0
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Deleted: 39843ad887c76fb25068deab1322d86f752aeae0cd074f30ff993c0dfc153304
Untagged: docker.io/centos:latest
Deleted: 28e524afdd052cfa82227c67344c098aabcd51021dd1f3b0c71485abcdd78a86
Deleted: 044c0f15c4d9a7499734b75b73ea5754ceb2c1c22e86d7eaa5ab8098b60c5267
Deleted: 2ebc6e0c744d13008fac31bfffae2ebdbb04acd1a90bf63466496cd856e19365
Deleted: fa5be2806d4c9aa0f75001687087876e47bb45dc8afb61f0c0e46315500ee144
┌─[virt]─[~]
└──╼ docker images
REPOSITORY TAG IMAGE ID CREATED VIRTUAL SIZE
delete all stopped docker containers
┌─[virt]─[~]
└──╼ docker ps -a
CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES
fbc0f5880f07 28e524afdd05 "/bin/bash" 7 days ago Exited (0) 7 days ago mad_carson
693d26008209 28e524afdd05 "/bin/bash" 7 days ago Exited (0) 7 days ago distracted_spence
d37940ef94ea 17b6a9e179d7 "/bin/bash" 7 days ago Exited (0) 7 days ago suspicious_chandrasekhar
81f809e2f7d5 17b6a9e179d7 "/bin/bash" 7 days ago Exited (0) 7 days ago goofy_gates
┌─[virt]─[~]
└──╼ docker rm $(docker ps -q -a)
fbc0f5880f07
693d26008209
d37940ef94ea
81f809e2f7d5
┌─[virt]─[~]
└──╼ docker ps -a
CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES
└──╼ docker ps -a
CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES
fbc0f5880f07 28e524afdd05 "/bin/bash" 7 days ago Exited (0) 7 days ago mad_carson
693d26008209 28e524afdd05 "/bin/bash" 7 days ago Exited (0) 7 days ago distracted_spence
d37940ef94ea 17b6a9e179d7 "/bin/bash" 7 days ago Exited (0) 7 days ago suspicious_chandrasekhar
81f809e2f7d5 17b6a9e179d7 "/bin/bash" 7 days ago Exited (0) 7 days ago goofy_gates
┌─[virt]─[~]
└──╼ docker rm $(docker ps -q -a)
fbc0f5880f07
693d26008209
d37940ef94ea
81f809e2f7d5
┌─[virt]─[~]
└──╼ docker ps -a
CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES
środa, 4 maja 2016
Very simple echo server based on nc
on server: nc -l 4444 -k -c 'xargs -n1 echo hello'
on client: [marek@oc3050801487 ~]$ nc -v 192.168.1.197 4444
Connection to 192.168.1.197 4444 port [tcp/krb524] succeeded!
asd
hello asd
on client: [marek@oc3050801487 ~]$ nc -v 192.168.1.197 4444
Connection to 192.168.1.197 4444 port [tcp/krb524] succeeded!
asd
hello asd
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