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Deepin/Depth 15.4 64bits in Technosynoptic.

Deepin/Depth 15.4 64bits only for non-commercial use
Note: From 15.4, only the 64 bits is free for non-commercial use.


Some features/changes:
Changed from ubuntu base to Debian;
Shipped with Google Chrome as default browser;
New kernel 4.9.8;
New control center; (Deepin Desktop Environment – DDE)

How to install checkpoint snx (SSL Network Extender) – Deepin 15.4 desktop

How to install checkpoint snx (SSL Network Extender) in Deepin 15.4 desktop 64bits

Kernel version of Deepin

Linux test-ebook5 4.9.0-deepin5-amd64 #1 SMP PREEMPT Deepin 4.9.8-5 (2017-05-02) x86_64 GNU/Linux

After the installation of jdk_1.8.0_u112 (64bits), firefox 52 ESR, (checkpoint).

java version “1.8.0_112”
Java(TM) SE Runtime Environment (build 1.8.0_112-b15)
Java HotSpot(TM) 64-Bit Server VM (build 25.112-b15, mixed mode)

Mozilla Firefox 52.1.2

The snx is not working with the following problem:

snx: error while loading shared libraries: cannot open shared object file: No such file or directory

Debug for this problem:

sudo ldd /usr/bin/snx (0xf7719000) => /usr/lib/i386-linux-gnu/ (0xf75a7000) => /lib/i386-linux-gnu/ (0xf758a000) => /lib/i386-linux-gnu/ (0xf7572000) => /lib/i386-linux-gnu/ (0xf756d000) => not found => /lib/i386-linux-gnu/ (0xf7552000) => not found => /lib/i386-linux-gnu/ (0xf739b000) => /usr/lib/i386-linux-gnu/ (0xf736d000)
/lib/ (0x565ea000) => /usr/lib/i386-linux-gnu/ (0xf7369000) => /usr/lib/i386-linux-gnu/ (0xf7362000)

Do this for fixing this problem:

sudo apt-get install libstdc++5:i386 libpam0g:i386

After the fix, check again:

sudo ldd /usr/bin/snx (0xf77e4000) => /usr/lib/i386-linux-gnu/ (0xf7672000) => /lib/i386-linux-gnu/ (0xf7655000) => /lib/i386-linux-gnu/ (0xf763d000) => /lib/i386-linux-gnu/ (0xf7638000) => /lib/i386-linux-gnu/ (0xf7628000) => /lib/i386-linux-gnu/ (0xf760d000) => /usr/lib/i386-linux-gnu/ (0xf7553000) => /lib/i386-linux-gnu/ (0xf739c000) => /usr/lib/i386-linux-gnu/ (0xf736e000)
/lib/ (0x5656c000) => /lib/i386-linux-gnu/ (0xf7345000) => /lib/i386-linux-gnu/ (0xf72f0000) => /lib/i386-linux-gnu/ (0xf72d2000) => /usr/lib/i386-linux-gnu/ (0xf72ce000) => /usr/lib/i386-linux-gnu/ (0xf72c7000) => /lib/i386-linux-gnu/ (0xf72c1000)


Valid attributes are:
– server          SNX server to connet to
– sslport         The SNX SSL port (if not default)
– username        the user name
– certificate     certificate file to use
– calist          directory containing CA files
– reauth          enable automatic reauthentication. Valid values { yes, no }
– debug           enable debug output. Valid values { yes, 1-5 }
– cipher          encryption algorithm to use. Valid values { RC4 / 3DES }
– proxy_name      proxy hostname
– proxy_port      proxy port
– proxy_user      username for proxy authentication

CVE-2017-7494 – Samba 漏洞


All versions of Samba from 3.5.0 onwards are vulnerable to a remote
code execution vulnerability, allowing a malicious client to upload a
shared library to a writable share, and then cause the server to load
and execute it.

Manual fix/Workaround

Add the parameter:
nt pipe support = no

to the [global] section of your smb.conf and restart smbd. This
prevents clients from accessing any named pipe endpoints. Note this
can disable some expected functionality for Windows clients.


Firefox 52 not supported to java plugin

From Firefox Version 52, (the standard version), the support to java plugin has ended, except for Adobe Flash.


Workaround (until 2018):
Install the 32bits of Firefox Version 52 ESR (Extended Support Release)

Bzip2 vs lbzip2

Bzip2 vs lbzip2

lbzip2 – parallel bzip2 compression utility



Note – install lbzip2 in Ubuntu 16.04 LTS

sudo apt-get install lbzip2


Windows 10 key-shortcut

Windows 10 keyboard shortcut



How to install Ruby 2.4.0 in CentOS 6.8

How to install Ruby 2.4.0 in CentOS 6.8

Ruby version (1.8.7) incorporated with CentOS 6.8





commands used:

Applied if necessary (gpg --keyserver hkp:// --recv-keys 409B6B1796C275462A1703113804BB82D39DC0E3)

curl -sSL | bash
rvm install 2.4.0
ruby --version