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Is my ssh private key already unlocked?
by Robert Nichols 10 Jan '22

10 Jan '22

When I first ssh to a system, I am asked for the password to unlock the private key file. Thereafter, that key file remains unlocked, and subsequent ssh sessions will not prompt for a password. I can always re-lock the key file by running "ssh-add -D". In a script I have that runs sshfs to mount a remote directory, I want to re-lock that key file _unless_ it was already unlocked, i.e., if I sshfs asks for a password, I want to re-lock the key file immediately after the command is run. How can I determine ahead of time whether the key file is already unlocked? In the past (Centos 6) I could examine the output from "ssh-add -l" determine that. Now, "ssh-add -l" just shows the public key whether of not the private key has been unlocked. There is also no apparent way to see whether or not sshfs asked for a password. Suggestions? -- Bob Nichols "NOSPAM" is really part of my email address. Do NOT delete it.

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printing on C8S
by Fred 08 Jan '22

08 Jan '22

OK, I give up. How do I configure a printer on Centos 8 Stream? I can't find any tools for doing that. further, there doesn't seem to be a cups executable (which should allow setting up a printer) though there ARE a bunch of cups packages installed. Anyone got any clues for me? Thanks in advance! Fred

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Re: [CentOS] Is CentOS-Stream-9-20211222.0 suitable for building for RHEL9
by Simon Matter 06 Jan '22

06 Jan '22

> On 1/5/22 05:06, Leon Fauster via CentOS wrote: >> Am 05.01.22 um 11:02 schrieb Simon Matter: >>> Hi, >>> I have to port/build quite a number of packages for upcoming RHEL9. I thought about starting to do so now on CentOS-Stream-9-20211222.0 in the >>> hope that I don't have to redo a lot of the work again later for the released RHEL9. >>> Does it sound like a good idea to start now or should I better wait a bit? >> I'm already doing that. Do just expect everything that also happened in EL8. Missing devel or sub packages. Striped down s/rpm macros that blocks building fedora packages directly. So, business as usual. BTW, some packages are not in streams anymore. This makes custom overlay >> repos a bit easier ... > I think you can build directly against the repos in the centos stream koji. > https://kojihub.stream.centos.org/kojifiles/ We're not using koji so I don't know how I could make use of these repos. I've done a number of the easier builds now and they went well. Now I'm trying to build a package which requires imake but I can't find it anywhere. I guess imake could be missing because the Xorg stuff is being built without it today? Does anybody know if imake is still used but not shipped or is it not used and built for EL9 anymore? Thanks, Simon

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Is CentOS-Stream-9-20211222.0 suitable for building for RHEL9
by Simon Matter 05 Jan '22

05 Jan '22

Hi, I have to port/build quite a number of packages for upcoming RHEL9. I thought about starting to do so now on CentOS-Stream-9-20211222.0 in the hope that I don't have to redo a lot of the work again later for the released RHEL9. Does it sound like a good idea to start now or should I better wait a bit? Thanks, Simon

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CentOS-announce Digest, Vol 201, Issue 1
by centos-announce-request＠centos.org 05 Jan '22

05 Jan '22

Send CentOS-announce mailing list submissions to centos-announce(a)centos.org To subscribe or unsubscribe via the World Wide Web, visit https://lists.centos.org/mailman/listinfo/centos-announce or, via email, send a message with subject or body 'help' to centos-announce-request(a)centos.org You can reach the person managing the list at centos-announce-owner(a)centos.org When replying, please edit your Subject line so it is more specific than "Re: Contents of CentOS-announce digest..." Today's Topics: 1. CESA-2022:0003 Important CentOS 7 xorg-x11-server Security Update (Johnny Hughes) ---------------------------------------------------------------------- Message: 1 Date: Tue, 4 Jan 2022 19:22:29 +0000 From: Johnny Hughes <johnny(a)centos.org> To: centos-announce(a)centos.org Subject: [CentOS-announce] CESA-2022:0003 Important CentOS 7 xorg-x11-server Security Update Message-ID: <20220104192229.GA29860(a)bstore1.rdu2.centos.org> Content-Type: text/plain; charset=us-ascii CentOS Errata and Security Advisory 2022:0003 Important Upstream details at : https://access.redhat.com/errata/RHSA-2022:0003 The following updated files have been uploaded and are currently syncing to the mirrors: ( sha256sum Filename ) x86_64: 99b661c96e07cf126304451e9aa41291a49a8f3fc0d29d14dabcfb939072586f xorg-x11-server-common-1.20.4-17.el7_9.x86_64.rpm c9dc78f6c0e94a26844ea7d1aa7fbde598ea704957ae7b657c4a63c822bd9f21 xorg-x11-server-devel-1.20.4-17.el7_9.i686.rpm e58d4578833550c574d220588395dd2ff7fdabaa1bd5e48a04c31911a6caca8a xorg-x11-server-devel-1.20.4-17.el7_9.x86_64.rpm 1c3887c7641e7d177a4556fa5d66b74cca92bdb865265509120154804c5ddeab xorg-x11-server-source-1.20.4-17.el7_9.noarch.rpm 2bfd2b5c14b17c0e7510240064a110b33c36b377955ad7f1245005118f4dc0aa xorg-x11-server-Xdmx-1.20.4-17.el7_9.x86_64.rpm 5ef15604ff8baa8611a443eb38e948c0561633200d60d93d6ec70aafe375876e xorg-x11-server-Xephyr-1.20.4-17.el7_9.x86_64.rpm 822adbeedf758cb1febec29ff177d207923b6e3c24749077ca4f3a684d593d1c xorg-x11-server-Xnest-1.20.4-17.el7_9.x86_64.rpm d222b43a6c9a83d63e9c529e8e528b248aa0f77b4b23e5e7256d32c1a64bee44 xorg-x11-server-Xorg-1.20.4-17.el7_9.x86_64.rpm de6d7edb575cf2c912b54349020bb0c64b19b18869c865f5da30ef088e3cad85 xorg-x11-server-Xvfb-1.20.4-17.el7_9.x86_64.rpm 0e2842a9ef72de0a39b188244266ec36bb5efee89dbbb26d2d9b8832fdb44b78 xorg-x11-server-Xwayland-1.20.4-17.el7_9.x86_64.rpm Source: aa1a69ecf74614ebb737bde9186deba20abe9762fb94a74fb703cdbd4d750eb1 xorg-x11-server-1.20.4-17.el7_9.src.rpm -- Johnny Hughes CentOS Project { http://www.centos.org/ } irc: hughesjr, #centos(a)libera.chat Twitter: @JohnnyCentOS ------------------------------ Subject: Digest Footer _______________________________________________ CentOS-announce mailing list CentOS-announce(a)centos.org https://lists.centos.org/mailman/listinfo/centos-announce ------------------------------ End of CentOS-announce Digest, Vol 201, Issue 1 ***********************************************

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how to clear out /var/cache?
by Fred 04 Jan '22

04 Jan '22

Is it safe to just remove files from /var/cache on a running system, or is there a correct procedure for doing that? Mine has hit over 3 gigs, making it one of the larger directories in /, which is running low on space. I've hit all the low-hanging fruit I can find and now I come to things like /var/cache, and I don't know what to do about such. Thanks in advance! Fred

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Re: [CentOS] how to clear out /var/cache?
by Fred 31 Dec '21

31 Dec '21

Skylar: that's more or less what I've been doing, looking for huge things in /. Kenneth: the latest version of kdirstat appears to now be named qdirstat, no kde bits required. it is certainly a handy way to quickly find the disk space sinks. Thanks for the pointer. but I still don't know the proper way to clear out a lot of this stuff. I certainly don't want to hose my system. It is C7, up to date, and it has been running for at least five years with partitions as they are set now: / is 50 gigs. had a popup message this morning telling me that / was nearly full. found it with 2 gigs free. sounds as if something has been slowly eating away at the space. I could use gparted to rearrange things, making / bigger, but as it has been going for five years, it strikes me that it more likely needs a lot of garbage collection to be done. I've manually cleaned up some detritus, it now reports 3.7G free which should hold me for a little while. So, can anyone advise me on what is and what is not safe to whack/delete from the root partition? Thanks! Fred On Thu, Dec 30, 2021 at 7:16 PM Kenneth Porter <shiva(a)sewingwitch.com> wrote: > --On Thursday, December 30, 2021 6:20 PM -0500 Fred <fred.fredex(a)gmail.com> > > wrote: > > > Mine has hit over 3 gigs, making it one of the larger directories in /, > > which is running low on space. I've hit all the low-hanging fruit I can > > find and now I come to things like /var/cache, and I don't know what to > do > > about such. > > Have you run KDirStat to find the disk pigs? I regularly use its Windows > derivative, WinDirStat. > > <http://kdirstat.sourceforge.net/> > <https://windirstat.net/> > > I wish there was a web-based version for headless servers without X > libraries. > > _______________________________________________ > CentOS mailing list > CentOS(a)centos.org > https://lists.centos.org/mailman/listinfo/centos >

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Delete local user/group but not LDAP one
by Felix Natter 30 Dec '21

30 Dec '21

Dear fellow linux users, I have a computer with a local user X that shadows an LDAP user of the same name (and group). I know I can use: userdel X groupdel X but how do I make sure that the LDAP is not changed, and only the local user/group is deleted? This is very critical. Many Thanks and Best Regards, -- Felix Natter

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issue with virt-install and CS9 boot iso
by Leon Fauster 29 Dec '21

29 Dec '21

I wanted quickly spin up a CS9 system with an virt-install command line that in the past worked with fedora34 and C8 but I am getting following error: ERROR Error validating install location: Could not find an installable distribution at URL '{trimmed path}CentOS-Stream-9-20211222.0-x86_64-boot.iso' Some search engines found some sites that are giving examples to pass locations of kernel and initrd. Are the iso files "wrongly" created or are such parameters required now? Host: CS8 virt-install -n c9x86-parttest -r 3072 --disk path=parttest.img,size=18,format=qcow2 -l CentOS-Stream-9-20211222.0-x86_64-boot.iso --os-variant rhel9.0 --noautoconsole -x "inst.ks=https://example/parttest.cfg" -- Leon

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Roundcubemail
by TE Dukes 28 Dec '21

28 Dec '21

Hello, Just upgraded from CentOS 7 to CentOS 8 Stream and there is no rpm for roundcubemail. Could I get the SRPM for CentOS 7 and re-do it for CentOS 8? I really hate installing a non-RPM package. If not a good idea, what is available for webmail in CentOS 8 Stream? TIA

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