Switching From Mint to Zorin without deleting user data

colorpurple21859 · 12-31-2022, 03:29 AM

Run a hard drive check, slowness could be a sign of a hard drive going bad.

mq15 · 12-31-2022, 07:29 AM

Thanks everyone.

Yes. Now, I am myself interested in digging out the reason for slow mint.

I've uninstall mysql (no more necessary to me) and restarted but still the process mysqld appears in the top command's results eating 20% of RAM.
mintinstall is the main software center that I use for installing/uninstalling other applications. But its RAM utilization is too high. How can I uninstall it?

mq15 · 12-31-2022, 07:37 AM

Quote:

Originally Posted by colorpurple21859

Run a hard drive check, slowness could be a sign of a hard drive going bad.

How can I run a hard drive check please?

mq15 · 12-31-2022, 08:05 AM

Quote:

Originally Posted by colorpurple21859

Run a hard drive check, slowness could be a sign of a hard drive going bad.

I guess, no bad sectors. The disk seems healthy. Is not it?

michaelk · 12-31-2022, 08:24 AM

Looks like the drive is ok.

What happens when you run the command
sudo systemctl stop mysql

To disable it from running
sudo systemctl disable mysql

The Mint minimum requirements are 2 GB with 4GB recommended for comfortable usage. Do you know what desktop you are using?

mq15 · 12-31-2022, 09:35 AM

Quote:

What happens when you run the command
sudo systemctl stop mysql

To disable it from running
sudo systemctl disable mysql

This;

Code:

mq15@BigBang:~$ sudo systemctl stop mysql
mq15@BigBang:~$ sudo systemctl disable mysql
Synchronizing state of mysql.service with SysV service script with /lib/systemd/systemd-sysv-install.
Executing: /lib/systemd/systemd-sysv-install disable mysql

Mysqld stopped. See top command;

Code:

top - 20:22:52 up  2:51,  1 user,  load average: 0.83, 1.23, 1.49
Tasks: 237 total,   1 running, 236 sleeping,   0 stopped,   0 zombie
%Cpu(s): 16.4 us,  9.2 sy,  0.0 ni, 72.9 id,  0.1 wa,  0.0 hi,  1.5 si,  0.0 st
MiB Mem :   1976.7 total,    227.2 free,   1116.9 used,    632.6 buff/cache
MiB Swap:   3910.0 total,   3396.0 free,    514.0 used.    571.5 avail Mem 

    PID USER      PR  NI    VIRT    RES    SHR S  %CPU  %MEM     TIME+ COMMAND                                                                                
   3584 mq15      20   0  443756  72532  57720 S  46.9   3.6   8:21.94 chrome                                                                                 
   4389 mq15      20   0 4733368 185756  96852 S  22.4   9.2   5:02.27 chrome                                                                                 
   1408 mq15      20   0 3684184  72392  23232 S  10.6   3.6  12:45.72 cinnamon                                                                               
   3655 mq15      20   0 4733084 124124  37804 S   5.0   6.1   1:13.53 chrome                                                                                 
    933 root      20   0  631388  31492  21108 S   4.6   1.6   9:08.19 Xorg                                                                                   
   7792 root      20   0       0      0      0 I   4.0   0.0   0:51.79 kworker/u16:2-iwlwifi                                                                  
   2754 mq15      20   0  468652  29524  20456 S   3.0   1.5   0:14.89 gnome-terminal-                                                                        
   3514 mq15      20   0  882052 182860  82152 S   3.0   9.0   4:11.62 chrome                                                                                 
   3557 mq15      20   0  360200  43652  24548 S   1.7   2.2   1:11.74 chrome                                                                                 
   7689 root      20   0       0      0      0 I   1.0   0.0   0:51.97 kworker/u16:4-phy0                                                                     
   7776 root      20   0       0      0      0 I   0.7   0.0   0:01.36 kworker/0:4-events                                                                     
    512 root     -51   0       0      0      0 S   0.3   0.0   0:27.69 irq/32-iwlwifi                                                                         
   7944 mq15      20   0 4806292 228704 100724 S   0.3  11.3   1:03.25 chrome                                                                                 
   8008 root      20   0       0      0      0 I   0.3   0.0   0:01.48 kworker/0:1-events                                                                     
   8331 root      20   0       0      0      0 I   0.3   0.0   0:00.58 kworker/1:2-events                                                                     
   8576 mq15      20   0   12364   4052   3376 R   0.3   0.2   0:00.87 top                                                                                    
      1 root      20   0  168928   9112   5288 S   0.0   0.5   0:08.19 systemd                                                                                
      2 root      20   0       0      0      0 S   0.0   0.0   0:00.02 kthreadd                                                                               
      3 root       0 -20       0      0      0 I   0.0   0.0   0:00.00 rcu_gp                                                                                 
      4 root       0 -20       0      0      0 I   0.0   0.0   0:00.00 rcu_par_gp                                                                             
      6 root       0 -20       0      0      0 I   0.0   0.0   0:00.00 kworker/0:0H-kblockd                                                                   
      8 root       0 -20       0      0      0 I   0.0   0.0   0:00.00 mm_percpu_wq                                                                           
      9 root      20   0       0      0      0 S   0.0   0.0   0:00.57 ksoftirqd/0                                                                            
     10 root      20   0       0      0      0 I   0.0   0.0   0:08.86 rcu_sched                                                                              
     11 root      rt   0       0      0      0 S   0.0   0.0   0:00.05 migration/0                                                                            
     12 root     -51   0       0      0      0 S   0.0   0.0   0:00.00 idle_inject/0                                                                          
     14 root      20   0       0      0      0 S   0.0   0.0   0:00.00 cpuhp/0                                                                                
     15 root      20   0       0      0      0 S   0.0   0.0   0:00.00 cpuhp/1                                                                                
     16 root     -51   0       0      0      0 S   0.0   0.0   0:00.00 idle_inject/1                                                                          
     17 root      rt   0       0      0      0 S   0.0   0.0   0:00.24 migration/1                                                                            
     18 root      20   0       0      0      0 S   0.0   0.0   0:00.43 ksoftirqd/1                                                                            
     20 root       0 -20       0      0      0 I   0.0   0.0   0:00.00 kworker/1:0H-kblockd                                                                   
     21 root      20   0       0      0      0 S   0.0   0.0   0:00.00 cpuhp/2

Also, mintinstall is not there. Why?
The only big RAM eater is chrome now.

Quote:

Do you know what desktop you are using?

Cinnamon.

Mate's installation is still unsuccessful as in my post#12

michaelk · 12-31-2022, 10:22 AM

From post #12

Quote:

Mirror sync in progress?

It is possible the repository you were accessing was temporarily unavailable.

mintinstall might be the process that checks for updates and since the repository was not available was hung up or something.

In reality your available RAM is 227.2 free + 571.5 avail Mem and swap is only 514.0 used so it isn't as bad as you think. Chrome has a memory saver feature new in version 108 but do not know if is available for linux. Keeping the number of tabs open to a min might help a bit.

https://www.linuxatemyram.com/

mq15 · 01-01-2023, 07:46 AM

Hello everyone,

I think we've successfully investigated why Mint was behaving slow. After getting rid of mysqld, I feel slight upgrade in performance. However, I should give Mate a try, installing which is issuing the same error. On another laptop, it has been successfully installed. But on this laptop, I am still struggling with the Mate installation error. Maybe someone can dig out a clue out of sudo apt-get update

Code:

mq15@BigBang:~$ sudo apt-get update
[sudo] password for mq15:      
Get:2 http://dl.google.com/linux/chrome/deb stable InRelease [1,811 B]                                                                                       
Get:3 http://security.ubuntu.com/ubuntu focal-security InRelease [114 kB]                                                                                    
Err:2 http://dl.google.com/linux/chrome/deb stable InRelease                                                                                                 
  The following signatures couldn't be verified because the public key is not available: NO_PUBKEY 4EB27DB2A3B88B8B
Get:1 http://mirrors.evowise.com/linuxmint/packages ulyana InRelease [685 kB]                                                                                
Hit:4 http://archive.canonical.com/ubuntu focal InRelease                                                                           
Hit:5 http://ppa.launchpad.net/makehuman-official/makehuman-community/ubuntu focal InRelease                                        
Hit:6 http://archive.ubuntu.com/ubuntu focal InRelease                                                                                                       
Err:1 http://mirrors.evowise.com/linuxmint/packages ulyana InRelease                                                                                         
  Clearsigned file is not valid, got 'NOSPLIT' (does the network require authentication?)
Get:7 http://archive.ubuntu.com/ubuntu focal-updates InRelease [114 kB]                                                                                      
Hit:8 http://ppa.launchpad.net/otto-kesselgulasch/gimp/ubuntu focal InRelease                                                                                
Get:9 http://archive.ubuntu.com/ubuntu focal-backports InRelease [108 kB]                                                                                    
Get:10 http://security.ubuntu.com/ubuntu focal-security/main amd64 DEP-11 Metadata [40.7 kB]                                                                 
Get:11 http://security.ubuntu.com/ubuntu focal-security/universe amd64 DEP-11 Metadata [94.1 kB]                                                             
Get:12 http://security.ubuntu.com/ubuntu focal-security/multiverse amd64 DEP-11 Metadata [940 B]                                                             
Get:13 http://archive.ubuntu.com/ubuntu focal-updates/main amd64 DEP-11 Metadata [275 kB]                                                                    
Get:14 http://archive.ubuntu.com/ubuntu focal-updates/universe amd64 DEP-11 Metadata [408 kB]                                                                
Get:15 http://archive.ubuntu.com/ubuntu focal-updates/multiverse amd64 DEP-11 Metadata [944 B]                                                               
Get:16 http://archive.ubuntu.com/ubuntu focal-backports/main amd64 DEP-11 Metadata [7,988 B]                                                                 
Get:17 http://archive.ubuntu.com/ubuntu focal-backports/universe amd64 DEP-11 Metadata [30.5 kB]                                                             
Reading package lists... Done                                                                                                                                
W: An error occurred during the signature verification. The repository is not updated and the previous index files will be used. GPG error: http://dl.google.com/linux/chrome/deb stable InRelease: The following signatures couldn't be verified because the public key is not available: NO_PUBKEY 4EB27DB2A3B88B8B
E: Failed to fetch http://mirrors.evowise.com/linuxmint/packages/dists/ulyana/InRelease  Clearsigned file is not valid, got 'NOSPLIT' (does the network require authentication?)
E: The repository 'http://mirrors.evowise.com/linuxmint/packages ulyana InRelease' is no longer signed.
N: Updating from such a repository can't be done securely, and is therefore disabled by default.
N: See apt-secure(8) manpage for repository creation and user configuration details.

michaelk · 01-01-2023, 08:29 AM

To fix the chrome repository key problem try:
wget -q -O - https://dl.google.com/linux/linux_signing_key.pub | sudo apt-key add -

mq15 · 01-01-2023, 11:43 AM

Thank you very much everyone who participated here.

From each and every post of you, I have learnt one thing or the other.

I've installed Mate successfully. What I did;

Quote:

From Software Sources, changed the mirror to something other than http://mirrors.evowise.com/...
Retried Mate installation from Software Manager

I kept doing change mirror and try installation until it completed successfully.

Now I will observe and monitor the performance in Mate.

Thanks to everyone here again.

colorpurple21859 · 01-01-2023, 04:59 PM

If it still appears slow, I would suspect the hard drive even though disk tests pass. Recently replaced a drive that became slow about a year ago, while passing disk tests up to about a month ago. At the end was constantly having to do file-system checks/fixes