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Upgrading (?) from legacy boot to UEFI
by Rob Kampen 30 Aug '21

30 Aug '21

After three days of effort I have failed to find a way of shifting a server from legacy boot to UEFI boot. I have made my way through the 400+ pages of RH installation manual for EL7, plus their similarly large system administrators manual. Dozens of pages searched via google and yet none of the layouts for the /boot and /boot/efi have worked in my case. System is a Lenovo 3650 M5 with UEFI bios. Due to RH / CentOS design my initial install onto the two 600GB HDD partitioned these using MBR and legacy boot. I have just obtained two SAS SSD drives of 3.8TB and thus MBR is no longer an option. I have successfully migrated all the system and data from the HDD to the SSD, complete with GPT and RAID1 and all works as expected - except the HDD was still needed to boot the system. That's when the fun / agony started. Each system reboot is almost five minutes just to get to the <F1> for system setup option. Thus testing is a very slow process. I am now at the point where I have a "bios boot" partition (1024K type ef02) as the first partition on each GPT partitioned SSD and have grub2-install onto the drives the bios boot junk needed for legacy boot. Thus I can at least legacy boot from one of the SSD and all comes up as expected. (no idea yet why it only works from one of the SSD and not the other). Unfortunately the server is remote and the CentOS7 USB device I left plugged into the machine refuses to boot from UEFI mode. Thus a rescue mode boot has not been possible. I have two 300MB partitions, one on each SSD suitably formatted (type ef00 and vfat) and set up with the files as follows: -rwx------. 1 root root 134 Aug 1 2020 BOOT.CSV -rwx------. 1 root root 134 Aug 1 2020 BOOTX64.CSV drwx------. 2 root root 4096 Aug 27 16:22 fonts -rwx------. 1 root root 6597 Aug 27 21:33 grub.cfg -rwx------. 1 root root 1024 Aug 26 23:22 grubenv -rwx------. 1 root root 1122120 Mar 17 07:24 grubx64.efi -rwx------. 1 root root 19378672 Aug 26 20:29 initramfs-3.10.0-1160.36.2.el7.x86_64.img -rwx------. 1 root root 1154640 Aug 1 2020 mmx64.efi -rwx------. 1 root root 1154640 Aug 1 2020 MokManager.efi -rwx------. 1 root root 1243864 Aug 1 2020 shim.efi -rwx------. 1 root root 1237824 Aug 1 2020 shimx64-centos.efi -rwx------. 1 root root 1243864 Aug 1 2020 shimx64.efi -rwx------. 1 root root 6777448 Aug 26 20:27 vmlinuz-3.10.0-1160.36.2.el7.x86_64.efi unfortunately grub2-mkconfig sets up the grub.cfg as for legacy boot because the /sys/firmware/efi does not exist, thanks to running from a legacy boot. I tried a few manual edits to the grub.cfg to deal with linux16 -> linuxefi and initrd16 -> initrdefi but to little avail. Can someone point me to what needs to happen for UEFI boot to work successfully. I am unsure what file I need to point the UEFI bios disk manager setup at, I have tried shim.efi and shimx84-centos.efi The message I get is that linux16 and initrd16 cannot find their files. The change to linuxefi and initrdefi also fail but the system reboot happens before I can see what flashes on screen. Is a USB based UEFI booted rescue mode the only way I can fix this? TIA for your pointers / suggestions.

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Annoying shortcut
by mark 27 Aug '21

27 Aug '21

For at least this year, I'm finding that whether I'm in LibreOffice, or Thunderbird, or Firefox, if I do *something*, and I haven't identified what, backspace will delete the entire word, though I haven't hit ctrl-bkspc. In system settings, it should only be the ctrl-bkspc. Has anyone else seen this behavior? mark

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CentOS-announce Digest, Vol 197, Issue 4
by centos-announce-request＠centos.org 27 Aug '21

27 Aug '21

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. CEBA-2021:0852 CentOS 7 grub2 BugFix Update (Johnny Hughes) ---------------------------------------------------------------------- Message: 1 Date: Thu, 26 Aug 2021 15:45:28 +0000 From: Johnny Hughes <johnny(a)centos.org> To: centos-announce(a)centos.org Subject: [CentOS-announce] CEBA-2021:0852 CentOS 7 grub2 BugFix Update Message-ID: <20210826154528.GA25856(a)bstore1.rdu2.centos.org> Content-Type: text/plain; charset=us-ascii CentOS Errata and Bugfix Advisory 2021:0852 Upstream details at : https://access.redhat.com/errata/RHBA-2021:0852 The following updated files have been uploaded and are currently syncing to the mirrors: ( sha256sum Filename ) x86_64: 87b4bf85d74acb5f568e2cb39c5b3f1c972eba5db5f0219021c385fcf2d29732 grub2-2.02-0.87.el7.centos.6.x86_64.rpm 91c532ed3ffc0c3a3ff8c2e0c2f2eea28b1497fd586422e4640ae48504011029 grub2-common-2.02-0.87.el7.centos.6.noarch.rpm 51c06da7ce2ef116cd43474b64056e939ccb0ae0e6198dd907ee842fdc5005b9 grub2-efi-aa64-modules-2.02-0.87.el7.centos.6.noarch.rpm 660894a2c18d390472d0f133b53c845c1ecffde9327004870721603cd1f91b48 grub2-efi-ia32-2.02-0.87.el7.centos.6.x86_64.rpm fede7faa428def30a78d440b2dfd020e0a972bca7601dbd552274dc2f98434c9 grub2-efi-ia32-cdboot-2.02-0.87.el7.centos.6.x86_64.rpm 62597c6811ab1a4372c93868c223a056ac2947a911f6b318ab3df4ead1b06de3 grub2-efi-ia32-modules-2.02-0.87.el7.centos.6.noarch.rpm c4c001caa89f5bff6fb1c4dbee4050dbbb93bd7c79c16d2c309103992c0b7987 grub2-efi-x64-2.02-0.87.el7.centos.6.x86_64.rpm 1a506ab0d1bb5fe446384f454d2e3cccb4d626df0d87e0effd61680d6a9d026b grub2-efi-x64-cdboot-2.02-0.87.el7.centos.6.x86_64.rpm 664f64a4a6b87e761d7b0bc0efba577178e77a23ec390ffb222b9caee6c3206a grub2-efi-x64-modules-2.02-0.87.el7.centos.6.noarch.rpm ec3383b51ed106826513f9c2945df6ff25b528b122a9b848b069c9e8d6cb5e46 grub2-i386-modules-2.02-0.87.el7.centos.6.noarch.rpm 504528b2f64bf9e246a93ff851b9fbf624d77355d1d57587ae1acaa4522c8fcb grub2-pc-2.02-0.87.el7.centos.6.x86_64.rpm 27bf800e475fe735de26f8983bba34eab9261ed1b48593690d77e5bc7d0acde1 grub2-pc-modules-2.02-0.87.el7.centos.6.noarch.rpm 87c30f42a079f461de618eaafd1eeb3225bf684cb0b4fe11da401f0550be3c80 grub2-ppc64le-modules-2.02-0.87.el7.centos.6.noarch.rpm 324c9d5ad49eb48866d128a022079508c40c45aa4d4176abc382f606369448d0 grub2-ppc64-modules-2.02-0.87.el7.centos.6.noarch.rpm 938086442b2d90233bb54c18a12a65965685e408b96dafa4e36c18a4179676df grub2-ppc-modules-2.02-0.87.el7.centos.6.noarch.rpm 201819cd83614093dbe14240fec542722aadee2886e13b2006ee8f6f0c063950 grub2-tools-2.02-0.87.el7.centos.6.x86_64.rpm f020458306c1798b97bbe293da7347160996bd9a1e89d548f4012bde28cc4a52 grub2-tools-extra-2.02-0.87.el7.centos.6.x86_64.rpm dfcf30fce1599be0699955042c34db80273d1dc14cc38af5a8f91b02ab70060b grub2-tools-minimal-2.02-0.87.el7.centos.6.x86_64.rpm Source: c575ebbcc17a418bb3b82a5c81b1fc6b3534a7fad4271f6614a9740f7c14c7a0 grub2-2.02-0.87.el7.centos.6.src.rpm -- Johnny Hughes CentOS Project { http://www.centos.org/ } irc: hughesjr, #centos(a)irc.freenode.net 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 197, Issue 4 ***********************************************

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I get "bad shim signature" booting with Secure Boot enabled
by Gueven Bay 26 Aug '21

26 Aug '21

Hi, If I enable Secure Boot in my UEFI I get this error (just after selecting Centos from the grub menu) grub-core/kern/efi/sb.c:151: bad shim signature grub-core/loader/i386/efi/linux.c:208: you need to load the kernel first Can someone explain to me why I get this, please? And what can I do to get Centos to boot with Secure Boot? My system: NAME="CentOS Linux" VERSION="8" CentOS Linux release 8.4.2105 Thank you.

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edit or write access to /etc/nginx/nginx.conf file for non-root user.
by Kaushal Shriyan 24 Aug '21

24 Aug '21

Hi, I am running CentOS Linux release 7.9.2009 (Core). Is there a way to provide write/edit access to a file /etc/nginx/nginx.conf file only for non-root users? For example- john is the local Unix user on the server who wants to edit it. Thanks in advance. Please guide. Best Regards,

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Git 2.23 or later
by H 23 Aug '21

23 Aug '21

The latest version of git for C7 is 1.8.3 and in SCL it's 2.18 although the repository claims 2.9 is also available. I am looking to upgrade to 2.23 since i need the --no-overlay option. Is anyone running this version (or later)? If so, from which repository? Thanks.

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Minimising a CentOS installation
by Anand Buddhdev 21 Aug '21

21 Aug '21

Hi folks, After doing a minimal CentOS 8.4 installation, I found the following packages to be useful for a simple server, so I removed them: cronie-anacron (replaced with cronie-noanacron) alsa-firmware ivtv-firmware iwl*-firmware sssd-common (along with all packages that depended on it) What other things do folk usually remove to make their installation smaller? Regards, Anand

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CentOS-announce Digest, Vol 197, Issue 3
by centos-announce-request＠centos.org 19 Aug '21

19 Aug '21

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-2021:3158 Important CentOS 7 exiv2 Security Update (Johnny Hughes) 2. CESA-2021:3154 Important CentOS 7 firefox Security Update (Johnny Hughes) 3. CESA-2021:3160 Important CentOS 7 thunderbird Security Update (Johnny Hughes) ---------------------------------------------------------------------- Message: 1 Date: Wed, 18 Aug 2021 16:49:24 +0000 From: Johnny Hughes <johnny(a)centos.org> To: centos-announce(a)centos.org Subject: [CentOS-announce] CESA-2021:3158 Important CentOS 7 exiv2 Security Update Message-ID: <20210818164924.GA28105(a)bstore1.rdu2.centos.org> Content-Type: text/plain; charset=us-ascii CentOS Errata and Security Advisory 2021:3158 Important Upstream details at : https://access.redhat.com/errata/RHSA-2021:3158 The following updated files have been uploaded and are currently syncing to the mirrors: ( sha256sum Filename ) x86_64: bb452c600e6c925bf0e8b365957a5cb5741e5f38181ed32aed22124e690edc30 exiv2-0.27.0-4.el7_8.src.rpm 18defd29c31366e3f3fc7602eed4307dcdd1028a8e25fd6823379fa2ef33eb6b exiv2-0.27.0-4.el7_8.x86_64.rpm 4402a7fcf865ee506196d91c722ec2875470f134b63f3912ac69561ba10e5113 exiv2-devel-0.27.0-4.el7_8.i686.rpm 1a5b2d18101ca9a398c7873900403ed4ffc7daf7fb801a9ce1649c3fafe185cf exiv2-devel-0.27.0-4.el7_8.x86_64.rpm 73cda0f598ca90fe3470940ed62663a7a5a1091731757b8e057fc929d3c1a209 exiv2-doc-0.27.0-4.el7_8.noarch.rpm 037e885e4b00fa8c73772c5a2e0f05aa735f04807e080c5819a8a15dade3d5dc exiv2-libs-0.27.0-4.el7_8.i686.rpm 54b72bac2daf97a8d1ba79e4288be55712b5b35027f2df547f3e0af93bd9b6a5 exiv2-libs-0.27.0-4.el7_8.x86_64.rpm -- Johnny Hughes CentOS Project { http://www.centos.org/ } irc: hughesjr, #centos(a)irc.freenode.net Twitter: @JohnnyCentOS ------------------------------ Message: 2 Date: Wed, 18 Aug 2021 16:50:15 +0000 From: Johnny Hughes <johnny(a)centos.org> To: centos-announce(a)centos.org Subject: [CentOS-announce] CESA-2021:3154 Important CentOS 7 firefox Security Update Message-ID: <20210818165015.GA28235(a)bstore1.rdu2.centos.org> Content-Type: text/plain; charset=us-ascii CentOS Errata and Security Advisory 2021:3154 Important Upstream details at : https://access.redhat.com/errata/RHSA-2021:3154 The following updated files have been uploaded and are currently syncing to the mirrors: ( sha256sum Filename ) x86_64: 7724d8a7b5c53b6b19107130e41d127672ad5e6814dd6d9cdf6130a27f22354b firefox-78.13.0-2.el7.centos.i686.rpm 73a1cda95043965a2075495410ef47a525580c614071ac8a4b643cff8fbb2c61 firefox-78.13.0-2.el7.centos.src.rpm 64a964dbf122edcb897186c8824b60976d45bd7ddce017d938404771e1396a1e firefox-78.13.0-2.el7.centos.x86_64.rpm -- Johnny Hughes CentOS Project { http://www.centos.org/ } irc: hughesjr, #centos(a)irc.freenode.net Twitter: @JohnnyCentOS ------------------------------ Message: 3 Date: Wed, 18 Aug 2021 16:51:04 +0000 From: Johnny Hughes <johnny(a)centos.org> To: centos-announce(a)centos.org Subject: [CentOS-announce] CESA-2021:3160 Important CentOS 7 thunderbird Security Update Message-ID: <20210818165104.GA28362(a)bstore1.rdu2.centos.org> Content-Type: text/plain; charset=us-ascii CentOS Errata and Security Advisory 2021:3160 Important Upstream details at : https://access.redhat.com/errata/RHSA-2021:3160 The following updated files have been uploaded and are currently syncing to the mirrors: ( sha256sum Filename ) x86_64: 245ac011d84f87d216206c87c125f53accc51bf59e77b4f325bd2519bbae562a thunderbird-78.13.0-1.el7.centos.src.rpm d358a86339e24e16bfcc77c61f6f12dea5c1485847a4bd5eee6a6e06c3634ff2 thunderbird-78.13.0-1.el7.centos.x86_64.rpm -- Johnny Hughes CentOS Project { http://www.centos.org/ } irc: hughesjr, #centos(a)irc.freenode.net 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 197, Issue 3 ***********************************************

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Re: [CentOS] A Blast from the past
by Mark Woolfson 18 Aug '21

18 Aug '21

Hello, Can you please help with an interesting problem. I have an Intel Haswell based processor with CentOS 7.0 with an early kernel booting and running perfectly. I changed the processor to an Ice Lake and I get the problem below when I boot the working Haswell disk. The boot process hangs almost immediately and when I remove the 'quiet' boot parameter I see that it hangs randomly, usually with a high CPU number, when SMPBOOT is starting up the cores. The only solution I have found is to boot with the 'nr_cpus=8 (could be any low number), update to the latest kernel then reboot with the 'nr_cpus=8' parameter removed. On examination there are no problems with CentOS 7.4 and above but there are with CentOS 7.3 and below. Mark -- This email has been checked for viruses by AVG. https://www.avg.com

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CentOS-announce Digest, Vol 197, Issue 2
by centos-announce-request＠centos.org 12 Aug '21

12 Aug '21

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-2021:2845 Important CentOS 7 java-1.8.0-openjdk Security Update (Johnny Hughes) ---------------------------------------------------------------------- Message: 1 Date: Wed, 11 Aug 2021 16:31:46 +0000 From: Johnny Hughes <johnny(a)centos.org> To: centos-announce(a)centos.org Subject: [CentOS-announce] CESA-2021:2845 Important CentOS 7 java-1.8.0-openjdk Security Update Message-ID: <20210811163146.GA13797(a)bstore1.rdu2.centos.org> Content-Type: text/plain; charset=us-ascii CentOS Errata and Security Advisory 2021:2845 Important Upstream details at : https://access.redhat.com/errata/RHSA-2021:2845 The following updated files have been uploaded and are currently syncing to the mirrors: ( sha256sum Filename ) x86_64: 2ef14c819a2c602bcce68d1f84b1e8143bb560f7737ba254e3b07d9c4302af67 java-1.8.0-openjdk-1.8.0.302.b08-0.el7_9.i686.rpm bea9e14dd6778afded7cb4e5d5a5f3fa3b0fefe9bafbf913cd21dd494fc8a966 java-1.8.0-openjdk-1.8.0.302.b08-0.el7_9.x86_64.rpm 3f7b46638efdb99c13fe45aa513af69cad728c4ffca568196d21fed273ba7f97 java-1.8.0-openjdk-accessibility-1.8.0.302.b08-0.el7_9.i686.rpm 55baaa197af05067cb206423655392e7b0a52e3ee9144a1fde30de40eb599d5a java-1.8.0-openjdk-accessibility-1.8.0.302.b08-0.el7_9.x86_64.rpm c6fc833a542f540c1edc0431e34f06b0cd121fc635294ae62ae5d48fab254ddf java-1.8.0-openjdk-demo-1.8.0.302.b08-0.el7_9.i686.rpm 5001584535af6ba52a00d1913b2b5f60df1239116a2cbcff84db48a9359bd3a3 java-1.8.0-openjdk-demo-1.8.0.302.b08-0.el7_9.x86_64.rpm 00dfecc575f562ca6c58f3290ca7fda9b19bbacf629d7c687dc4242984f8bb37 java-1.8.0-openjdk-devel-1.8.0.302.b08-0.el7_9.i686.rpm 2ced5602fa70385602b80de9a0a4dd9347186ade416907e8bb7fd066af18f6e3 java-1.8.0-openjdk-devel-1.8.0.302.b08-0.el7_9.x86_64.rpm c7627b2a018e4b1db2b6131608528eae404bf3c43ab252995b1d5f7196ab97e1 java-1.8.0-openjdk-headless-1.8.0.302.b08-0.el7_9.i686.rpm 0a35810bd924f95ae2af1ba31051f64c8683e42b953329a6af07ea00495f96a2 java-1.8.0-openjdk-headless-1.8.0.302.b08-0.el7_9.x86_64.rpm 60639db656637bac71a8495c83b9cc351c89b200e836ed3343dfa6bca29e3956 java-1.8.0-openjdk-javadoc-1.8.0.302.b08-0.el7_9.noarch.rpm 9deefb8ac4e6a1d43c4894b9e5daf58d70b43a9f12952164dc89a1d15e5a400c java-1.8.0-openjdk-javadoc-zip-1.8.0.302.b08-0.el7_9.noarch.rpm dfa6a2ee9076eba358c12de54d5d936a15a282109538f6772bdb75582afd0584 java-1.8.0-openjdk-src-1.8.0.302.b08-0.el7_9.i686.rpm dfbc0cbaf5fb588c23fcfdacafa9024ed6efd13bfbb1cf69316269cbaee79463 java-1.8.0-openjdk-src-1.8.0.302.b08-0.el7_9.x86_64.rpm Source: 38cfa9cb3255518e6d06ffca3f266df4124bb1d55baea794b484bfc2cd145736 java-1.8.0-openjdk-1.8.0.302.b08-0.el7_9.src.rpm -- Johnny Hughes CentOS Project { http://www.centos.org/ } irc: hughesjr, #centos(a)irc.freenode.net 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 197, Issue 2 ***********************************************

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