A revision number for a particular piece of software in a specific state.

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How to Uninstall/Downgrade Java on Mac?

I have been following the Oracle documentation instructions to uninstall Java 1.8 from my Mac as it has compatibility issues with Android Studio and I would like to downgrade to Java SE 1.7. As per ...
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0answers
39 views

Fedora 20: Chrome can't install from repository, version conflicts

I previously had Chrome installed via downloading an rpm package and just installing, but I'm trying to install the latest version of Chrome from a repository so I can keep it updated. I uninstalled ...
0
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1answer
14 views

Mixing repositories for different OpenSUSE versions

At the OpenSUSE upgrade page what it takes to upgrade is just to change the repositories to point to the software of the 'destination' system and kind-of 'notices it' and the system then becomes, say, ...
0
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1answer
16 views

Switching from a downloaded version of python to a Homebrew one

I've recently decided I'd like to switch from my downloaded versions (as in downloaded from python.org) of python 2 and 3 to Homebrew installs. I've installed both python 2 and 3 from Homebrew using a ...
0
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1answer
85 views

What does the OpenGL core profile version string mean?

This is the output from glxinfo for my machine: $ glxinfo | grep version server glx version string: 1.4 client glx version string: 1.4 GLX version: 1.4 Max core profile version: 4.1 Max ...
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1answer
91 views

How to compare a program's version in a shell script?

Suppose I want to compare gcc version to see whether the system has the minimum version installed or not. To check the gcc version, I executed the following gcc --version | head -n1 | cut -d" " -f4 ...
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1answer
25 views

Delete old package versions within a backup folder

I have a folder that contains a large number of tar.xz packages that have their version number in their filenames . ex : vlc-2.2.2-3-x86_64.pkg.tar.xz (old and should be deleted) vlc-2.2.3-2-x86_64....
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0answers
40 views

ntpq shows my NTP version as 4.2.6p5@1.2349-o

ntpq shows my NTP version as 4.2.6p5@1.2349-o Can someone explain what the suffix of @1.2349-o (especially the -o) means? $ ntpq -c rv associd=0 status=4615 leap_add_sec, sync_ntp, 1 event, ...
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50 views

Can't launch BeEF in Arch Linux

Whenever I type : ruby beef , I obtain the following output. [21:04:34][*] Bind socket [imapeudora1] listening on [0.0.0.0:2000]. [21:04:34][*] Browser Exploitation Framework (BeEF) 0.4.7.0-alpha [21:...
2
votes
1answer
47 views

How do I specify a requirement for a minimum version of openssl in RPM spec file?

The rpm spec file for my package looks like this - Requires:mysql-server >= 5.5.30, java >= 1.6, p7zip, openssl >= 1.0.2g I have an RHEL system where the openssl version is this: [ag@...
1
vote
1answer
62 views

Custom OS Version-ing

I made a custom centos by following the link given below https://github.com/joyent/mi-centos-7 Now I want to add my own version to the ISO file so that it shows when we check it using the following ...
2
votes
3answers
476 views

I need a specific kernel version. How do I get the corresponding Debian iso?

Say I need a Debian with Kernel 3.2.63-2+deb7u1 i686. How do I find the corresponding Debian Version? I assume it would be Debian 7 because this document states that Debian 7 has Kernel version 3.2. ...
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vote
1answer
71 views

How to spoof uname -rs per process

My ubuntu server returns Linux 3.13.0-63-generic when I run uname -rs. From what I found in internet, uname is also a system call which can't be easily overridden when third party program run this ...
0
votes
1answer
23 views

What is the differences between distributions, the OS and code names (stable, testing) in linux and what order is that listed in /etc/*release?

Overall, I'm trying to understand the differences between distributions, Operating systems and release code names (stable, experimental, testing) for Linux and how can those are listed in release ...
4
votes
1answer
77 views

Why is the Debian testing version of a package behind the stable version?

Having 2 Debian installations - one on testing and the other on stable - on two different machines, I noticed that the version for chromium in testing is 47.0.2526.80-1~deb8u1 (testing on debian ...
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1answer
147 views

Different Debian releases in /etc/issue

The /etc/issue of my Debian testing references two different releases: stretch, which is supposed to be testing, and sid, aka unstable. What does that mean? That I have a mix of packages from the two ...
0
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1answer
77 views

Why are Linux versions so confusing?

I was browsing through kernel.org pages and reading changelogs from several different Linux kernel versions. I noticed the version number pattern is extremely awkward: From Linux 2.6.x came Linux 3.0;...
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3answers
1k views

What version of Debian is my Kali Linux based on?

I am trying to download Virtualbox on my Kalinux and I would like know which Debian my Kali Linux is based off of. root@ccna:/etc/apt# uname -a Linux ccna 4.0.0-kali1-amd64 #1 SMP Debian 4.0.4-1+...
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votes
2answers
280 views

How to find which version of Java in Java installed folder?

A version of java is installed on my Linux machine. When i try this: root@test$: javac -version It given the result as: javac jdk1.7.0_80. Now my problem is i don't know where that(1.7.0_80) ...
5
votes
1answer
116 views

Different Debian versions from two different commands

This might be silly, but I'm new to Linux. I wanted to check my current Debian version so I typed uname -a and it gave me some stuff including Debian 3.2.73. But Then I found this command cat /etc/...
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1answer
47 views

What is the difference between JeOS and minimal OS

I see that recently a lot of Linux vendors are introducing JeOS version of their Operating System which by its definition and features looks to me like a minimal OS that has already been around for a ...
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4answers
79 views

How to get only one character after match in string (to determine RHEL version from rpm)

I have an open source shell/bash script for setting up and configuring hosting servers, and to install cloudflare I am pulling the version of RHEL using this command: RHEL_VERSION=$(rpm -q --qf "%{...
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1answer
41 views

How to understand revisions in Debian stable release

At the moment(13.12.2015) Debian 8("jessie") is in revision 2.0, e.g. CD-1 for amd64 architecture is named debian-8.2.0-amd64-CD-1.iso. How to understand revisions for Debian stable? For example does ...
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1answer
31 views

Kernel module version enforcement

Linux can be configured to require that kernel modules be digitally signed. On kernels built for embedded devices and consumer devices (i.e., tablets, smartphones, etc.), I can still see that this ...
0
votes
1answer
60 views

Why the oldest kernel is marked as recommended in Linux Mint?

In update manager, there is View->"Linux kernels" option. It contains a list of kernels and as far as I know the freshest builds must be the most optimized and stable. For example in Linux Mint 17 ...
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2answers
36 views

Run script on startup for Old Linux kernel (3.0.0)

I need to run a script on system startup, but the Linux version is very old, so: There is no rc.local. Even when I created it and gave it a command, it was never run. There is no crontab at all. ...
2
votes
1answer
120 views

Why do I have so many python versions on my mac?

I'd like to get into scipy and first setup my macbook air for python development. The problem is I have many different versions of python installed - here is what I get when bash autocompletes "pyth": ...
5
votes
1answer
122 views

When is next Monday?

On my home computer (Xubuntu 14.04), I have zev@home:~$ date +%F 2015-10-05 zev@home:~$ date +%F -d "next Monday" 2015-10-12 whereas at work (Red Hat 5.11), I have zev@work:~$ date +%F 2015-10-...
3
votes
1answer
516 views

How to use multiple versions of unison on one system?

I have two machines. One with unison v. 2.40 (Debian Jessie) and a new one (Debian Stretch) where I installed package unison-all, which brought in unison versions 2.32, 2.40 and 2.48. However, I was ...
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112 views

Debian: Downgrade from 7.9 to 7.8

Is that possible to downgrade from 7.9 to 7.8 on Debian vm ?
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1answer
150 views

What is the meaning of the tilde in some debian openjdk package version string?

Reading the changelog of the debian openjdk-8 source package we see that there is a version called openjdk-8 (8u45-b14-4) and the next one is openjdk-8 (8u60~b22-1). What is the meaning of the tilde ...
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votes
3answers
144 views

How do I check the running kernel version?

While troubleshooting a problem with my ethernet card, I've found that the driver I'm currently using may have some issues with old kernel versions. What command can I use to check the kernel version ...
0
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1answer
211 views

Why does installing Ubuntu 14.04.1 LTS server give me 14.04.3

I need to install Ubuntu 14.04.1 on some systems for consistency reasons. I made sure to get an iso called ubuntu-14.04.1-server-amd64.iso, yet lsb_release reports: ubuntu:~$ lsb_release -a No ...
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vote
1answer
127 views

How to find out what distros are using particular Linux version?

Given a distribution and its version, I can find which version of kernel it uses, e.g. for Ubuntu they are listed here, and for currently supported versions of Fedora they are here. In general, ...
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2answers
1k views

Why and how are some shared libraries runnable, as though they are executables?

On 32-bit Linux systems, invoking this $ /lib/libc.so.6 and on 64-bit systems this $ /lib/x86_64-linux-gnu/libc.so.6 in a shell, provides an output like this: GNU C Library stable release ...
0
votes
1answer
195 views

Installing a different php version for a subdomain

I have a cPanel dedicated server installed with PHP 5.2.17. I need to use php 5.3 version for my subdomain and the directory needed php.5.3 is /home/website30/public_html/blog/. Can anyone provide ...
2
votes
1answer
234 views

Finding out what sh is [duplicate]

I am writing a set of scripts that I want to be portable, but I need to know whether sh on the current platform stands for bash, ksh, or ash. Is there a clear way to do it? What comes to my mind ...
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0answers
57 views

How to add version number to custom kernel and rootfs?

I have a small embedded project where I had to make some minor tweaks to a linux kernel to support different hardware and minor tweaks to a debian-based operating system (my rootfs). uname -a no ...
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0answers
87 views

lsudo /sbin/ldconfig -v showing Garbage text

RHEL 6.6 When performing sudo /sbin/ldconfig -v while trying to follow a different stackoverflow question related to: sudo /etc/init.d/nginx restart /usr/sbin/nginx: error while loading shared ...
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2answers
5k views

What is the equivalent CentOS for Red Hat Enterprise Linux 6.5?

According to CentOS website, they use the source code from Red Hat, but I am not clear about what version of Red Hat source code is being used to build each version of CentOS. Is there a numeric ...
6
votes
2answers
1k views

Why can't I install multiple versions of a shared library?

There are often instances where a certain program will depend on library version x.y and another on x.z but, as far as I'm aware, no package manager will allow me to install both x.y and x.z. ...
2
votes
1answer
291 views

Cabal using older version when newer is installed

I've just installed and updated cabal, but it is still using the original version (1.16.0.2) instead of the updated 1.22.4.0. The commands I have run, after installation through apt-get: $ cabal ...
0
votes
1answer
338 views

Fix version issues of Python on CentOS 6.6

I'm very new to Linux and Python as I am an intern, please bare with me. If I'm missing something then let me know I can update the post. I installed python 2.7.9 under a users directory on centOS 6....
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6answers
6k views

How can I safely get the version of ksh?

How can I safely get the version of ksh from within a ksh script? I have seen the following solutions: ksh --version echo ${.sh.version} echo $KSH_VERSION And given the right circumstances, each ...
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vote
1answer
1k views

Linux kernel version suffix + CONFIG_LOCALVERSION

On system start up I currently see Linux 4.0.0-rc6yy and 4.0.0-rc6yy.old from the bootloader menu. I'm not certain where they came from. I suspect "yy" is arbitrary but can someone explain the ".old" ...
0
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1answer
53 views

important changes of linux 3.1 to 3.17 [closed]

I'm doing school research project for Linux operating system and I need help with summary of version 3.1 to 3.17. The problem is, I know very little about Linux and detailed technological terms used ...
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0answers
38 views

what version of program X does not contain bug?

Suppose there's a bug in software (linux stuff) you need to use. You don't know if there are newer/older version of program without this bug. How do you find it out? This question occurred after the ...
4
votes
2answers
11k views

Which version of NFS is my NFS server using?

I'm mounting a NFS filesystem on my machine. How do I figure out what version of the NFS protocol the server uses? I don't have access to the NFS server machine, but I do have root on my client ...
0
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2answers
6k views

Any distros already using Plasma 5 (February 2015)?

I heard that in April Kubuntu 15.04-stable will use Plasma 5. I have tried it in Kubuntu 15.04 beta version, but a lot of existing KDE tools are available that don't fit Plasma 5. Are there any ...
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2answers
402 views

Does Linux Mint have /etc/debian_version?

I am trying to write a script which works based on the knowledge that each Linux Mint release was based on a particular Ubuntu release. However, I do not want to install Linux Mint to verify that, ...